TypeScript Jobs in London

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TypeScript Jobs in London

Overview

Looking for top TypeScript jobs in London? Discover the latest opportunities for skilled developers on Haystack, the go-to IT job board. Whether you're a seasoned TypeScript expert or looking to grow your career in London’s vibrant tech scene, our curated listings connect you with leading employers eager to hire. Start your search now and land your ideal TypeScript role in London today!

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Senior Frontend Developer

Rise Technical Recruitment

Senior Front-End Developer London - Hybrid 55,000 - 65,000 + Private Medical + Good Pension + Life Assurance + 25 days holiday + Gym + Flexible Working + More This is an exciting opportunity for a Senior Front-End Developer to join a modern development team working on data-rich web and mobile applications used by a large and diverse user base.You will take a lead role in building high-quality, accessible, and maintainable front-end solutions across a single-page admin platform and a progressive web application. Working closely with UX, design, and backend developers, you will help shape front-end architecture, improve performance, and mentor other engineers.This role is ideal for an experienced front-end specialist who enjoys solving complex UI/UX challenges, working with modern frameworks, and driving best practice across a growing digital platform.The Role:

Build and maintain front-end interfaces using Vue, TypeScript, and modern CSS frameworks

Collaborate closely with UX, design, and backend teams to deliver seamless user experiences

Design modular, reusable components and contribute to front-end architecture and state management

Optimise performance, accessibility, and cross-browser compatibility

Mentor developers and promote front-end best practice and quality standards The Person:

Strong experience with modern front-end frameworks, particularly Vue and TypeScript

Solid understanding of UI/UX principles, accessibility standards, and responsive design

Experience integrating front-end applications with backend APIs

Excellent problem-solving and communication skills

A collaborative team player with experience mentoring junior or mid-level developers

Rise Technical Recruitment Ltd acts an employment agency for permanent roles and an employment business for temporary roles.The salary advertised is the bracket available for this position. The actual salary paid will be dependent on your level of experience, qualifications and skill set and will be decided by our client, the employer. Rise are not responsible or liable for any hiring decisions made by the end client.We are an equal opportunities company and welcome applications from all suitable candidates.

Senior Software Developer

Reference: JAN20260570 Location: Flexible in UK Contract: Permanent Hours: Full-Time, 37.5 hours per week Salary: £50,310.00 - £53,307.00 Per Annum Benefits: Pension Scheme, Life Assurance Scheme, 26 days’ Annual LeaveWhat’s the role about?This is an exciting opportunity to join a dynamic and innovative team supporting the full range of the RSPBs developer work. Youll use your technical expertise to help us deliver and evolve the capabilities of our public facing website and several other key systems, finding innovative solutions to meet the needs of conservation aims and our global supporter community.Working closely with the product team and subject matter experts across the RSPB, you will work in an Agile fashion to deliver value to conservation staff quickly and consistently. Depending on the nature of requirements you may be building new functionality into existing applications, or helping to define and deliver new solutions, using the best blend of technologies to ensure successful delivery.Working with colleagues across the organisation, you will support the full range of the RSPBs work, varying from our management of over 220 nature reserves to our world-class scientific research, and delivery of landscape scale conservation, to name but a few.You will work alongside experienced developers within the Technical Engineering team and have the opportunity to grow your knowledge of front and back-end development, APIs, systems integration and working as part of a high performing Agile team.The ability to work independently, exercising sound technical judgement, mentoring other developers, and contributing to technical decisions in a flexible remote or hybrid setting is a must.Essential skills, knowledge and experience

Experience of working under Agile principles to develop complex applications

Strong experience of C#/JavaScript/HTML/CSS to deliver intuitive, modern, user-friendly applications

Experience of at least one of the following JavaScript frameworks: Angular, React or Vue

Experience in writing unit tests

Knowledge of maintaining and managing APIs

A keen interest in web technologies and keeping skills current

The ability to communicate effectively with a range of technical and non-technical stakeholders, demonstrating initiative with a positive and proactive attitude

Desirable skills, knowledge and experience:

Experience working with source code repositories

Experience working with SCCS and TypeScript

Experience writing new APIs

Experience working with cloud and CICD technologies

Experience of the Angular framework

Knowledge/experience of SQL

Knowledge/experience of conservation work and systems

Knowledge/experience working with CMS/DAM

Additional Information:

This is a Permanent Full-Time role for 37.5 hours per week.

Closing date: 23:59, Friday 6th February 2026 We are looking to conduct interviews for this position as soon as suitable candidates present themselves, so please do not delay in applying.N.B We reserve the right to close once sufficient applications have been received.Interested?If you would like to apply and find out more about this position, please click the apply button to be directed to our website.We are committed to developing an inclusive and diverse RSPB, in which everyone feels supported, valued and able to be their full selves. To achieve our vision of creating a world richer in nature, we need more people, and more diverse people, on nature’s side. People of colour and disabled people are currently under-represented across the environment, climate, sustainability, and conservation sector. If you identify as a person of colour and/or disabled, we are particularly interested in receiving your application.The RSPB is an equal opportunities employer. This role is covered by the Rehabilitation of Offenders Act 1974.This role is not eligible for UK Visa Sponsorship - the successful applicant with need to have a pre-existing Right to Work in the UK in order to be offered an employment contract.In order to apply you will be required to upload a CV and complete a short application form. In the cover letter section of the form please explain how you meet the above set criteria.Contact us to discuss any additional support you may need to complete your application.No agencies please.

Engineering Manager / Tech Lead (contract)

Morgan Philips UK Limited

A full stack developer with an emphasis on front end technologies

Experience of delivering on large (global) scale web digital transformation projects.

CMS experience such as Sitefinity, WordPress, Kentico, Content AI or similar.

Experience with solutions design, architecture.

Any experience of working with a customer-focused brand, B2C would be useful.

Worked on membership platforms, subscriptions platforms and any other E-commerce platforms.

Experience with managing third party vendors, good stakeholder management skills

Coding languages such as React, JavaScript, AngularJS, .Net, C#, TypeScript, HTML, CSS,

This will be initially a six-month day rate contract inside IR35 via umbrella company from our supplier list. This is a hybrid role with a requirement of three days a week in the office based in central London. The rate is between £650 - £800 per day depending on experience.Please note you will receive an automated response advising you that we have received your CV.Morgan Philips Group is a global talent solutions business that disrupts conventional thinking in executive search, recruitment and talent consulting. We operate in over 18 markets in Europe, North & South America, Asia, and the Middle East & Africa. We understand that the future is digital and social, so we embrace the latest technology, including video ads and CVs, as well as social recruiting. Our innovative services are tailored to the new world of work yet we do not lose sight of the fact that employees be they existing and potential are ultimately human beings.We are committed to ensuring that all job applicants are treated equally, without discrimination because of gender, sexual orientation, marital or civil partner status, gender reassignment, race, colour, nationality, ethnic or national origin, religion or belief, disability or age.

Front End React Developer

Front End React Developer, React, Javascript, NW London to £75KA leading financial software company are looking for a Front End JavaScript developer who is proficient with React.js. The role is Offcie based in North West London, Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows, specifically Redux and RTK. You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important.Responsibilities

Developing new user-facing features using React.js

Building reusable components and front-end libraries for future use

Translating designs and wireframes into high quality code

Optimising components for maximum performance across a vast array of web-capable devices and browsers

Skills

Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model

Experience developing with typescript

Thorough understanding of React.js and its core principles

Experience with Redux and RTK (RTKQuery also a bonus)

Familiarity with RESTful APIs

Knowledge of modern authorization mechanisms, such as JSON Web Token

Familiarity with modern front-end build pipelines and tools (Github actions a bonus)

Experience with common front-end development tools such as Babel, Webpack, NPM, etc.

Ability to understand business requirements and translate them into technical requirements

A knack for benchmarking and optimization

Familiarity with git

Experience with React Native is a bonus

THIS ROLE IS OFFICE BASED

SC Cleared Microsoft Dynamics 365 Developer

Role: SC Cleared Microsoft Dynamics 365 DeveloperPermSalary: 65,000 - 75,000Location: RemoteRole OverviewWe are looking to recruit a SC Cleared Microsoft Dynamics 365 Developer to play a key role in designing, building, and supporting complex Microsoft business solutions. This role focuses on high-quality delivery, strong platform engineering practices, and mentoring other developers, while contributing specialist expertise within defined project or programme scopes.You will work with a high degree of autonomy under general direction, applying agreed architectures, development standards, and secure coding practices across Dynamics 365 and the Microsoft Power Platform. You will also help resolve complex platform issues, support continuous improvement, and contribute to solution design and delivery decisions.Key Responsibilities

Design and implement complex Dynamics 365 and Power Platform solutions within agreed project scope

Develop, customise, and support Dynamics 365 (Sales and Customer Service) solutions

Build scalable model-driven apps, canvas apps, and Power Automate flows aligned to agreed architectures and patterns

Develop custom plugins, workflow activities, and integrations using C#, Microsoft Graph, and the Dataverse SDK

Lead defined technical workstreams and collaborate with multidisciplinary delivery teams

Apply and promote Power Platform development standards, patterns, and best practices

Implement and enhance ALM practices using Power Platform Build Tools and Azure DevOps

Conduct solution reviews and support quality assurance and testing activities, including automated and UAT testing

Investigate and resolve complex platform issues, escalating where appropriate

Mentor junior and mid-level developers, providing technical guidance and coaching

Evaluate emerging Power Platform capabilities and provide evidence-based recommendations

Support pre-sales activities through technical demonstrations and solution input

Identify technical risks, propose mitigation strategies, and contribute to requirements refinement

Plan and manage own workload to meet delivery timelines and quality expectations

Actively contribute to agile delivery practices and continuous improvement initiatives

Required Skills & Experience

Strong experience with Microsoft Dynamics 365 (Customer Engagement) solution design and customisation

Solid Power Platform experience including model-driven apps, canvas apps, Power Automate, and Power Pages

Hands-on Dataverse experience (data modelling, relationships, business rules, and security)

Strong C# development skills using the Dataverse SDK for plugins, workflows, and integrations

Experience integrating Power Platform with Azure services, custom connectors, APIs, and Logic Apps

Experience applying ALM principles using Azure DevOps and Power Platform Build Tools

Solid JavaScript experience for client-side customisation and web resources

Experience working in agile, multidisciplinary delivery teams

Strong understanding of security concepts including Dataverse security and role-based access control

Ability to communicate complex technical concepts clearly to technical and non-technical stakeholders

Desirable Experience

Experience delivering solutions in secure, regulated, or enterprise environments

Background in public sector, government, defence, or highly regulated industries

Microsoft certifications such as PL-400, PL-200, MB-400, or equivalent

Experience with AI-enabled solutions using AI Builder, Copilot Studio, or Azure AI Services

Experience with cloud-native Azure solutions integrated with Power Platform

Knowledge of Power Platform governance and Center of Excellence practices

Experience with PCF controls and modern web technologies (TypeScript, React)

Understanding of Power Platform performance optimisation and profiling

Experience with Azure integration services such as Service Bus, Event Grid, or API Management

Personal Attributes

Strong communicator with the ability to engage stakeholders at all levels

Proactive, analytical problem-solver with attention to detail

Comfortable working autonomously while mentoring and supporting others

Highly organised, able to manage multiple priorities effectively

Committed to high standards, secure development, and continuous improvement

Positive leadership mindset with a strong delivery focus

Senior Manager - Palantir Foundry Decision Intelligence Practice

Decision Intelligence - Palantir Foundry, Lead Consultant, Senior ManagerWe are looking for a Senior Manager with deep Palantir Foundry expertise to lead the design and delivery of production-grade data and AI solutions. You will shape end-to-end architectures, lead multidisciplinary teams and work directly with senior client stakeholders to turn complex data, AI and process challenges into scalable Foundry applications.Key responsibilities

Act as lead architect for Foundry, owning solution design from ingestion and pipelines through Ontology, applications and AI use cases.

Translate business problems into Foundry use cases, technical designs and deliverable roadmaps.

Design and oversee data pipelines, Ontology models, security and governance patterns and application workflows in Foundry.

Guide teams of data engineers, software engineers and data scientists to deliver robust, secure and maintainable Foundry solutions.

Integrate Foundry with wider enterprise platforms, cloud environments and downstream analytics tools.

Build trusted relationships with senior stakeholders, shaping new opportunities and ensuring value realisation from the platform.

Skills and experience

Significant hands-on experience delivering Palantir Foundry solutions in complex client environments.

Deep Foundry technical expertise across the full stack: Pipeline Builder, Ontology, Workshop, OSDK, Code Repositories, Actions and AIP or agentic capabilities, able to build production-grade applications not just prototypes.

Strong proficiency in at least one relevant programming language such as Python or PySpark, Java, Typescript or SQL.

Solid understanding of data engineering, data modelling, security and governance in enterprise settings.

Experience with software engineering best practices including Git-based development, testing and CI or CD.

Excellent communication and stakeholder management skills, with the ability to influence and align diverse technical and business audiences.

Proven leadership in building, coaching and motivating technical teams.

Sector experience in Financial Services, Government, Healthcare, Energy or Manufacturing is desirable.

Eligibility for, or current possession of, government security clearance is an advantage.

What you will receiveYou will join a specialist Foundry community, working on high-impact programmes with strong support for ongoing learning and certification. A competitive package typically includes flexible and hybrid working, health and wellbeing benefits, professional development support and paid volunteering or community days.

Java Software Engineer - Tech for Good

Java Software Engineer / Developer (Full Stack Java) London / WFH to £100kAre you Java technologist? You could be progressing your career in a hands-on, impactful, Software Engineer role, working on a ‘tech for good’ product that is helping to drive efficiencies for the NHS, the core product is a highly complex real-time shift rota application, hosted on AWS and available via the web or mobile device (iOS / Android).As a Software Engineer you will play a crucial role in re-architecting and enhancing the scheduling platform to a Java and Angular codebase (from Ruby and TypeScript). You’ll focus on designing and developing scalable backend Java services and REST APIs and build responsive, as well as writing and optimising SQL database queries and occasional front end work, creating user friendly interfaces using Angular (v15+).You’ll input into technical discussions and decision making, as a senior member of a small team where you’ll be able to influence best practice and technology choices.Location / WFH:You’ll join colleagues in the London, City based offices 3-4 days a week with some flexibility to work from home 1-2 days.About you:

You have strong Full Stack development experience including Java backend (Spring Boot)

You have experience with relational databases and SQL query writing

You have some front end experience with JavaScript, Angular or React

You have a strong understanding of REST APIs and real-time systems

You’re comfortable working with legacy Ruby

You have a strong knowledge of software engineering best practices and Agile development methodologies

You’re collaborative and pragmatic with great communication skills, happy to mentor and develop others

What’s in it for you:As a Java Software Engineer / Developer you will receive a competitive package:

Salary to £100k

Pension

25 days holiday

Excellent career progression to Technical / Team lead

Apply now to find out more about this Java Software Engineer / Developer (Java Angular SQL API) opportunity.At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We’re an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

OverviewWe’re hiring a Founding / Senior Software Engineer to join a well-funded, early-stage AI product team based in London. This is a hands-on, high-ownership role for someone who enjoys building real products from the ground up and wants meaningful influence over technical direction, architecture, and delivery.The product is already live, customer-facing, and built around applied AI rather than research. The focus is on shipping reliable systems that solve real operational problems at scale.This role suits engineers who thrive in ambiguity, enjoy working close to customers, and are motivated by impact rather than hierarchy.What You’ll Be Doing

Building and shipping core product features using Python and TypeScript

Designing and owning backend-leaning full-stack systems

Working with LLMs and AI-driven workflows in production

Building event-driven systems and third-party integrations

Taking ownership from problem discovery through to delivery

Balancing speed vs scalability depending on context

Contributing to engineering best practices around testing, reliability, and security

Tech Environment

Languages: Python, TypeScript

Architecture: Cloud-native, distributed systems, event-driven design

AI: Practical LLM usage in real-world products

Infrastructure exposure: Kubernetes, serverless, modern cloud platforms (experience here is a plus, not a blocker)

What We’re Looking For

5-10+ years’ experience in full-stack software engineering (backend-leaning)

Proven experience shipping AI-powered products end-to-end

Early-stage startup experience strongly preferred

Comfortable working directly with customers and stakeholders

Strong ownership mindset; enjoys building, not just maintaining

Backgrounds as an ex-founder or founding engineer are very welcome

What’s Not a Fit

Long tenures exclusively in large or highly process-driven organisations

Engineers who prefer narrowly scoped, ticket-based work

People uncomfortable with in-person collaboration or ambiguity

Location & Package

London-based

5 days onsite

Salary: 150,000 - 220,000 (experience dependent)

Software Engineer - DV Cleared

CBSbutler Holdings Limited trading as CBSbutler

Software Engineer - DVSalary: 40,000 - 85,000 DoELocation: London - expect to attend site five days a weekClearance: Must hold current UK C DVThe company:Cyber Security and National Security technical consultancy. The company is large enough to offer stability, expert support and career progression while enabling you to work with a large degree of autonomy developing cutting edge solutions over a range of projects.Requirements:They are open to your background, but would expect you to have experience in some of the following tech stack and be proactive in learning new technologies. You will have a learning and development budget to support this.Python, Java, TypeScript, JavaScriptReact, Angular, ReactKubernetes (k8s) DockerAWS, AzureElasticsearch, MERN, Neo4JBenefitsExcellent company benefits including significant pension contributions, BUPA, equity and training allowance.Application:I appreciate discretion is key and am happy to receive anonymised / heavily redacted CVs. I just need a broad overview of your situation and I can then facilitate a conversation with my clients who are within the intelligence community and hold high levels of clearance.

Senior React Engineer (UI/Front End)

Senior/Lead React Engineer (UI/Front End)Hybrid: 3 days per week in London Salary: £110,000 base + strong benefitsWe’re partnering with a global, technology-led organisation operating at significant scale, building mission-critical platforms where performance, reliability and quality are non-negotiable.This role is for a high-calibre Front End engineer who combines deep React expertise with strong AWS experience, and who is comfortable leading initiatives, influencing technical direction, and working closely with senior stakeholders across the business.The OpportunityYou’ll play a key role in shaping and delivering modern, cloud-hosted Front End platforms, taking ownership of complex UI solutions that sit at the heart of the organisation’s operations.You won’t just write code, you’ll set standards, make architectural decisions, and be trusted to deliver at a very high bar.What You’ll Be Doing

Leading the design and delivery of large-scale React applications using TypeScript

Taking ownership of Front End architecture, patterns and technical quality

Working closely with architects, principal engineers and product teams to align UI solutions with AWS-based platforms

Driving improvements in performance, resilience, security and UX

Leading initiatives end-to-end, from design through to production

Communicating clearly with engineering and non-technical teams, ensuring alignment and momentum

Mentoring engineers and raising Front End standards across the wider team

What We’re Looking For (Essential)This role is aimed at engineers operating at the top end of the Senior/Lead spectrum.

Expert-level experience with React and TypeScript

Strong background building scalable, maintainable UI architectures

Hands-on experience working with AWS in production environments (eg cloud-hosted frontends, CI/CD, infrastructure interaction, deployments)

Strong knowledge of modern Front End tooling (Webpack, Vite, etc.)

Proven experience with automated testing (Cypress, Playwright, Selenium or similar)

Solid understanding of performance optimisation and Front End security

Excellent communication skills - able to influence, challenge and collaborate across teams

A delivery-focused mindset with high standards and strong ownership

Nice to Have

Experience with design systems and component libraries (Storybook, Material UI, AntD)

Figma collaboration with design teams

Exposure to complex, regulated or high-throughput systems

TDD/BDD experience

Why This Role

AWS is core, not an afterthought

Genuine ownership and influence at senior level

Complex, high-impact systems

Hybrid working - 3 days per week in a London office

£110,000 base for the right engineer

Engineering Manager / Tech Lead (contract)

Morgan Philips UK Limited

I am recruiting a day rate contractor to assist my client who is going through digital transformation. The project involves consolidating local websites into one global website as well as consolidating multiple CMS (content management systems). This will suit an individual who has experience within web development such as full stack or front end with some backend experience. This is a senior role and would suit someone who is a hands-on engineering manager or a tech lead. Experience A full stack developer with an emphasis on front end technologies Experience of delivering on large (global) scale web digital transformation projects. CMS experience such as Sitefinity, WordPress, Kentico, Content AI or similar. Experience with solutions design, architecture. Any experience of working with a customer-focused brand, B2C would be useful. Worked on membership platforms, subscriptions platforms and any other E-commerce platforms. Experience with managing third party vendors, good stakeholder management skills Coding languages such as React, JavaScript, AngularJS, .Net, C#, TypeScript, HTML, CSS, This will be initially a six-month day rate contract inside IR35 via umbrella company from our supplier list. This is a hybrid role with a requirement of three days a week in the office based in central London. The rate is between £650 - £800 per day depending on experience. Please note you will receive an automated response advising you that we have received your CV. Morgan Philips Group is a global talent solutions business that disrupts conventional thinking in executive search, recruitment and talent consulting. We operate in over 18 markets in Europe, North & South America, Asia, and the Middle East & Africa. We understand that the future is digital and social, so we embrace the latest technology, including video ads and CVs, as well as social recruiting. Our innovative services are tailored to the new world of work yet we do not lose sight of the fact that employees be they existing and potential are ultimately human beings. We are committed to ensuring that all job applicants are treated equally, without discrimination because of gender, sexual orientation, marital or civil partner status, gender reassignment, race, colour, nationality, ethnic or national origin, religion or belief, disability or age. TPBN1_UKTJ

Full stack Data Engineer

£45,000 to 65,000 GBP Bonus Hybrid WORKING Location: Central London, Greater London - United Kingdom Type: Permanent Full Stack Data Engineer - London (Hybrid) Up to £65,000 + Bonus | DOE | No Sponsorship Provided We are looking for talented Full Stack Data Engineers to join a fast-growing AI and data consultancy in London. Working across junior to senior levels, this is a hands-on role where you’ll combine software engineering, data expertise, and AI to solve complex problems for clients across government, defence, healthcare, and commercial sectors. What You’ll Do: Design & Solve: Break down client challenges and design innovative, data-driven solutions. Engineer Data: Build and maintain robust data pipelines and ETL processes. Create Workflows: Develop operational workflows and decision-support tools that transform enterprise operations. Apply AI: Collaborate on AI and machine learning models applied to real-world challenges. Technical Excellence: Deliver scalable, reliable software solutions using Python, SQL, and TypeScript. Grow & Share: Mentor peers, support junior engineers, and contribute to best practices. Partner with Clients: Build strong, trusted relationships, delivering tangible business impact. What We’re Looking For: Strong experience in Python, SQL, and TypeScript . Experience with Palantir technologies (Foundry, Gotham, or similar) is preferred but not essential . Solid understanding of data engineering, ETL pipelines, and workflow design. Passion for AI, machine learning, and emerging technologies. Excellent problem-solving, collaboration, and communication skills. Curiosity, adaptability, and a drive to make a real-world impact. Work Arrangements: Hybrid working with regular time in the London office. Salary & Benefits: Competitive salary up to £65,000 + performance-based bonus (levels above or below this salary considered DOE). Opportunity to work on mission-critical projects with high impact. Hands-on exposure to AI, advanced analytics, and cutting-edge data platforms. Collaborative culture that values innovation, learning, and career growth. Join a consultancy where AI meets engineering excellence, working on projects that truly transform organisations and industries. Reference: AMC-AQU-DPE Postcode: EC2V 6AA #adqu TPBN1_UKTJ

Software Engineer - DV Cleared

Software Engineer - DVSalary: £40,000 - £85,000 DoELocation: London - expect to attend site five days a weekClearance: Must hold current UK*C DVThe company:Cyber Security and National Security technical consultancy. The company is large enough to offer stability, expert support and career progression while enabling you to work with a large degree of autonomy developing cutting edge solutions over a range of projects.Requirements:They are open to your background, but would expect you to have experience in some of the following tech stack and be proactive in learning new technologies. You will have a learning and development budget to support this.Python, Java, TypeScript, JavaScriptReact, Angular, ReactKubernetes (k8s) DockerAWS, AzureElasticsearch, MERN, Neo4JBenefitsExcellent company benefits including significant pension contributions, BUPA, equity and training allowance.Application:I appreciate discretion is key and am happy to receive anonymised/heavily redacted CVs. I just need a broad overview of your situation and I can then facilitate a conversation with my clients who are within the intelligence community and hold high levels of clearance.

Engineering Manager / Tech Lead (contract)

Principal Engineer (Solutions Architect) - (Frontend & Mobile)

About HL And The OpportunityWe’re building the next generation platform for one of the UK’s largest financial services companies, trusted by over 2 million clients and managing c.£150 billion in assets. This is your opportunity to shape technology that will redefine how people invest and achieve financial freedom.You will contribute in building in our next generation Unified Client Experience (UCX) frontend platforms that will streamline client journeys across a range of products and services, in both web and mobile domains. It’s an opportunity to design, architect and build a modern web and mobile applications using latest technologies and best practices to transform our savings and investment platform.The UCX team consolidates the efforts of the whole organisation, transforming client journeys and delivering on HL’s vision to give people financial freedom. You will work with like-minded people from business, product and engineering functions to develop and refine client journeys covering onboarding, KYC, account management and investment workflows in a secure and compliant environment.By joining us, you’ll help deliver innovative and scalable solutions that make investing easier and more accessible to millions of users across the UK.Be part of HL’s future. Be part of the future of investing. Shape it with us.What You’ll Be Doing

Set technical direction: Define & maintain Frontend / Web and mobile software architecture and patterns, engineering standards and the ‘right way’ to build greenfield HL state of the art web and mobile applications.

Own a technical ‘opinionated’ architecture for front end and mobile applications: shape application designs, rail guards and make trade-offs and prevent regret spend.

Define scalable and reusable UI component-based architecture, state management, routing/navigation, error handling, data fetching and modularization strategy.

Design, publish and own engineering standards including coding standards, CI/CD strategy, deployment blueprint, testing automation strategy, observability design and security baseline.

Design Integration strategies for HL web and mobile apps with existing and new systems to deliver a seamless client experience across a range of products and services.

Tackle high-impact problems: performance bottlenecks, reliability issues, scaling limits, complex integration, tech debt hotspots.

Lead through influence: Align stakeholders, run design reviews, drive decisions, own technical governance and unblock delivery teams.

Mentor and level-up others: Coach senior/leads and set strong bar for engineering excellence.

R&D: Stay at the forefront of the React/React Native ecosystem, evaluating new technologies, industry practises and guide the engineering delivery teams with adoption.

About You

10+ years of experience with Web / Frontend & Mobile software engineering and at least 4+ years in a Principal Engineering or Solution Architect role or similar

Deep understanding of Front End / Web and Mobile architecture approaches and design patterns including micro front ends, module federation, stateless, SPA and others

Advanced knowledge of React and React Native Eco system and AWS technology stack.

Strong API/integration experience: REST / GraphQL, auth flows, contract design and resilience patterns

Well versed in latest CI/CD practises and tools, deployment methodologies and experienced in tools to enforce quality standards.

Mastery of Webpack/Metro configurations, Babel and TypeScript

Expertise in complex state management and understanding the nuances between DOM based and Native based styling/layouts.

Demonstrated ability to create clear and well written documentation for architecture, design patterns, rail guards and lead design governance.

Strong communication and articulation skills, capable of independently navigating an organization and able to negotiate and lead discussions across various levels and departments to develop consensus.

Interview Process3 Stage InterviewStage 1 - Discussion with our Hiring Manager (30mins):A chance to talk with our Hiring Manager in more detail about the role, our tech stack and some of the problems we solve every day. Here, we’ll dig a bit more into some of your experiences, understand the processes you’re familiar with and the technologies you’ve used to deliver end user value.Stage 2 - Technical (70mins):For the technical part, we’d like you to sit down with some of your potential peers to work through a technical solution or a coding problem. We’ll be looking together at where a sample piece of technology / code has issues and how we might address them.Stage 3 - Culture Fit (30mins):In our Cultural Fit interview, we’ll be looking to learn more about your past experiences, what keeps you motivated, where we may be able to help you improve further, key decisions you’ve helped to make and issues you’ve resolved.Salary & PackageWe offer a competitive salary, depending on experience, alongside a generous performance-based bonus scheme.Your total reward package includes:

?? Up to 19% pension contribution - helping you plan confidently for the future

?? Private medical insurance - giving you peace of mind and access to top-tier healthcare

?? A wide range of excellent benefits, from lifestyle perks to wellbeing support, designed to help you thrive both in and out of work

We believe in recognising and rewarding the impact you make - and ensuring you feel valued every step of the way.Working ScheduleWe’re based in the stunning Paddington Central offices at 4 Kingdom Street, a modern workspace designed to energise your day and elevate collaboration.What Makes It Special?

?? Landscaped rooftop gardens - perfect for a breath of fresh air or informal catch-ups.

?? London’s highest rooftop basketball court - yes, really!

??? Wellness amenities including showers, lockers, hairdryers, and fresh towels.

?? Cyclist-friendly with secure bike storage and drying rooms.

??? Stylish lounge areas, booths, and breakout spaces for focused work or relaxed chats.

?? Canalside location near Little Venice, with floating restaurants, coffee shops, and a seasonal pop-up garden bar.

?? Unbeatable transport links - just steps from Paddington Station and the Elizabeth Line.

We embrace a hybrid working model that gives you the best of both worlds:

2-3 days a week in the office to connect, collaborate, and enjoy everything the space has to offer.

Remote flexibility for deep focus, work-life balance, and personal productivity.

This is a full-time role, working 37.5 hours per week, Monday to Friday.Please note, we do not offer sponsorship opportunities for this role.

Staff Platform Engineer GCP - Start-up

Staff Platform Engineer London / WFH to £130kAre you a technologist with start-up experience and a first class education looking for a new opportunity?You could be joining a small Fintech start-up run by small, successful and proven team of finance technology entrepreneurs, backed by Silicon Valley investors, as they build out the product, currently in stealth mode.As a Staff Platform Engineer you’ll have an impactful role with lots of influence. Initially you’ll assess the current tech set up based on GCP, Python, TypeScript, PostgreSQL and Terraform; establish the production environment and extend the platform to enable scalability.You’ll collaborate closely with the CTO and Lead Software Engineer to establish and build systems from scratch and will build a team of high performing engineers, progressing quickly to Head of Technology.Location / WFH:You’ll be based in Central London, with flexibility to work from home twice a week.About you:

You have experience in a similar senior level Platform Engineer role within start-up / scale-up environments with strong commercial acumen

You have achieved a 2.1 or above BSc from a well renowned top world university, e.g. Russel Group, Ivy League in a relevant technical discipline

You have experience in a FAANG company

You have a software engineering background with a strong knowledge of modern best practices, architecture and design experience

You have strong, current technical skills including: GCP, Python, TypeScript, PostgreSQL and Terraform

You’re collaborative and pragmatic with strong leadership and stakeholder management skills

You have experience of building teams and developing people

What’s in it for you:

Starting salary £130k

Equity

Apply now to find out more about this Staff Platform Engineer opportunity.At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We’re an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Senior Software Engineer

An exciting opportunity has arisen for a Senior Software Engineer to join a well-established biotech company using large-scale genetic data and AI to predict disease risk and advance precision healthcare.As a Senior Software Engineer, you will be contributing to the development and scaling of secure, reliable software in a collaborative, agile environment.This is a contract-based role (12 weeks) offering hybrid / remote working options, a salary range of £500 - £700 per day (Inside IR35) and benefits.You will be responsible for:Building and scaling new software products within an agile squad. Supporting the delivery of innovative health-tech services that positively impact society. Collaborating closely with cross-functional teams including product, UX, and engineering leads. Applying engineering expertise across backend and full-stack development.What we are looking forPreviously worked as a Software Engineer, Backend Engineer, Full Stack Developer, Backend Developer, Cloud Engineer, Python Developer, Node.js Developer, Platform Engineer, Infrastructure Engineer or in a similar role. Strong background in cloud-hosted web applications and backend services. Expertise in Node.js, Ruby on Rails, Python; knowledge of Golang or Typescript is advantageous. Experience with agile methodologies, Git, and GitHub workflows. Competence in developing and maintaining large-scale web applications, both frontend and backend. Familiarity with CI/CD pipelines, test-driven development, and code reviews. Proficient in data modelling and relational databases such as PostgreSQL. Experience with Infrastructure as Code, particularly Terraform. Knowledge of cloud platforms including Azure (preferred), AWS, or GCP. Understanding of security and regulatory requirements in software design.This is a unique opportunity to join a forward-thinking tech team and make a tangible difference. Apply now to be part of this exciting venture.Important Information: We endeavour to process your personal data in a fair and transparent manner. In applying for this role, Additional Resources will be acting in your best interest and may contact you in relation to the role, either by email, phone, or text message. For more information see our Privacy Policy on our website. It is important you are aware of your individual rights and the provisions the company has put in place to protect your data. If you would like further information on the policy or GDPR please contact us.Additional Resources Ltd is an Employment Business and an Employment Agency as defined within The Conduct of Employment Agencies & Employment Businesses Regulations 2003

Senior Software Engineer

Senior Software Engineer | Start-up | Cybersecurity | London | Hybrid About the Company Hyre AI is partnering with a fast-growing, well-funded cybersecurity company on a mission to solve one of the biggest challenges on the modern internet: proving who’s human in a world dominated by bots, scripts, and AI impersonators. Their technology protects some of the most trusted names in financial services and beyond, and they’ve just raised a multi-million seed round to accelerate growth. Now they’re hiring a Senior Software Engineer to join a small, exceptional team building the future of online trust. About the Role As a Senior Software Engineer, you’ll be at the core of how our client builds and runs their platform; you won’t just be building features - You will help strengthen and evolve an already-live product, bringing structure and engineering judgment to an environment where foundations exist, but priorities and solutions are still being shaped as the company grows. * You’ll design and scale high-throughput APIs and microservices that power AI-driven fraud and bot detection engines. * You’ll work on production systems where latency, reliability, and real-world failure modes genuinely matter, and where engineering decisions have immediate customer impact. * You’ll work directly with founders, product, and research teams to deeply understand emerging threats, and build systems that turn detection insights into operational reality. * You’ll be encouraged to experiment, challenge convention, and proactively identify areas for improvement. NB: Please note, this role requires 3-4 days on-site in the office, ~ 5mins from Liverpool St Station. Required Skills * 3-5 Years of professional experience in software engineering. * Experience with TypeScript and/or Go is beneficial (but not mandatory) * Strong foundation in Kubernetes and CI/CD pipelines. * A resourceful, first-principles mindset; someone who thrives in ambiguity * Ownership, curiosity, and a commitment to building things that last * High-energy, thoughtful problem-solving, and a low-ego approach to collaboration * Experience in an early-stage start-up or scaling environment would be a huge bonus Pay range and compensation package * Competitive salary: £70,000 - £80,000 * Stock options – share in the company’s growth * Employer-matched pension Why Join this business If you want to work on a deeply meaningful problem, build with exceptionally talented engineers, and play a pivotal role in scaling a product that sits at the intersection of cybersecurity, AI, and internet infrastructure, this is the kind of opportunity that appears once in a career

Software Developer

Spectrum IT Recruitment

Software Developers required for an excellent client based in London. The successful Software Developer will join an extremely talented development team and you will be exposed to creating and maintaining our client’s own applications based around a C#/.NET/SQL Server/ASP.NET universe. Many projects are greenfield projects and allow you to make your own mark on the development process early on.You will be given the opportunity to work with some of the latest technologies possible and will be expected to produce excellent code for our clients in-house software applications and trading platform. Our client offers a very collaborative working environment with all of the development team coming from excellent educational backgrounds from across Europe. This is predominantly an office-based role. As well as very competitive salaries, our client offers a comprehensive benefits package.Skills required:C# Worked with the latest version of the .NET platform Database experience - SQL Server WPF Angular, TypeScript Excellent communication skills both written and verbal Knowledge of working with trading platforms High level aptitude for technology Education to at least a BSc level or higher in Computer Science or Mathematics from a Russell Group University or equivalent. Desirable skills:HTML5, CSS, JavaScript Multi-threaded application development Understanding of Windows technologies If you feel you have the skills and experience required for this opportunity, please contact Oliver Wilson on (phone number removed) or emailSpectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy

Spotlight

Software Developer - Consultant (Contract)

Check out this brand new role!Ready for a new challenge?Are you looking for contract work that makes a difference?If so, Opencast could be the place for you. We’re a growing tech consultancy that creates user-centred solutions for our clients in government and business.The roleWe’re looking for Contractors in Software Development (consultant level) to help our major clients transform.Software developers at Opencast care about building products right and combine their own experience and approach with our company values. They are tech agnostic, have expertise in agile methodologies, extreme programming practices and use industry-leading programming languages to deliver agile transformation.Our approach to software development is collaborative, focused on keeping things simple, and we use test driven development and pair programming as best practice.Working with clients and key stakeholders is a crucial part of a consultancy role. Our developers are inclusive team players that listen, collaborate, can positively challenge and manage expectations when needed but most of all are always willing to teach and help others. Leaving a client with improved ways of working, working technology and a good experience from discovery through to live is the priority.Contractors at Opencast follow the same principles as permanent consultants. The roles are varied, technical, and never confined to any one provider or solution.UK Security Clearance (existing SC clearance or eligibility) is a requirement for our contracting opportunities.Experience in delivering digital services for the UK government is highly valuable for many of our projects. Therefore, familiarity with the GDS toolkit will be essential.Technical Skills

Expertise in Java and/or Scala is preferred

Experience with Springboot, Javascript, Typescript, Kotlin, Python or Ruby is also valuable

Understanding of Object Oriented Programming

In depth knowledge of concepts and uses of testing

Knowledge or experience of delivering complex services to Government Digital Service (GDS) standards is required

Being comfortable with new technology, t-shaped and comfortable with ongoing learning and development is key to success

Experience with agile methodology

A contractor in software development at Opencast is responsible for:

Delivering in the upkeep of their team’s backlog

Collaborating with the teams testing effort

Leading on the implementation of user stories

Embracing mobbing and pairing

Working with others in a collaborative, multi-disciplinary environment

SalaryUp to £450 per day (working inside IR35)Where you’ll workOur hybrid model means everyone at Opencast splits their time between multiple locations, including from our HQ and hub locations, client site or home. Travel is part of life at Opencast, and considers requirements of your work, our clients and your team.We include youWe welcome candidates from all identities, attributes, ways of thinking and backgrounds to thrive in a career at Opencast. Our aim is for the diversity of our people to be reflected in the solutions we deliver, to help create a fairer society for all.InterviewJob interviews are on Microsoft Teams. We’ll make any adjustments to help you. The recruitment process for this role includes pair programming and a technical interview.Want to know more?Visit our website or email careers@opencastsoftware.com.

Spotlight

Software Developer - Senior Consultant (Contractor)

Check out this brand new role!Ready for a new challenge?Are you looking for work that makes a difference? Do you want to work with people who learn and grow together?If so, Opencast could be the place for you. We’re a growing tech consultancy that creates user-centred solutions for our clients in government and business.The roleWe’re looking for Contractors in Software Development (Senior level or Technical Lead) to help our major clients transform.Software developers at Opencast care about building products right and combine their own experience and approach with our company values. They are tech agnostic, have expertise in agile methodologies, eXtreme programming practices and use industry-leading programming languages to deliver agile transformation.Our approach to software development is collaborative, focused on keeping things simple, and we use test driven development and pair programming as best practice.Working with clients and key stakeholders is a crucial part of a consultancy role. Our developers are inclusive team players that listen, collaborate, can positively challenge and manage expectations when needed but most of all are always willing to teach and help others. Leaving a client with improved ways of working, working technology and a good experience from discovery through to live is the priority.Contractors at Opencast follow the same principles as permanent consultants. The roles are varied, technical, never confined to any one provider or solution.UK Security Clearance (existing SC clearance or eligibility) is a requirement for our contracting opportunities.Experience in delivering digital services for the UK government is highly valuable for many of our projects. Therefore, familiarity with the GDS toolkit will be essential.Technical Skills

Expertise in Java and/or Scala is preferred

Experience in other languages such as Springboot, Javascript, Typescript, Kotlin, Python or Ruby is also valuable

Ability to lead other developers in tackling difficult programming challenges and drive the delivery of a backlog

Ability to contribute to architectural designs

Experience of setting testing strategies to match industry standards

Knowledge or experience of delivering complex services to Government Digital Service (GDS) standards, is beneficial

Being comfortable with new technology, t-shaped and comfortable with ongoing learning and development is key to success.

Experience with agile methodology

A contractor in software development at Opencast is responsible for:

Driving the elaboration of their team’s backlog

Setting testing strategies to match industry standards

Being a technical expert in their team (or acting as the team lead)

Leading the technical representation in a project discovery

Acting as a technical lead in the team, enabling them to achieve their full potential

Day Rate£450 - £600 per day (working inside IR35)Where you’ll workOur hybrid model means everyone at Opencast splits their time between multiple locations, including from our HQ and hub locations, client site or home. Travel is part of life at Opencast, and considers requirements of your work, our clients and your team.We include youWe welcome candidates from all identities, attributes, ways of thinking and backgrounds to thrive in a career at Opencast. Our aim is for the diversity of our people to be reflected in the solutions we deliver, to help create a fairer society for all.InterviewJob interviews are on Microsoft Teams. We’ll make any adjustments to help you. The recruitment process for this role includes pair programming, a values interview, and a technical interview.Want to know more?Visit our website or email careers@opencastsoftware.com.

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Frequently asked questions

What types of TypeScript jobs are available in London?

London offers a wide range of TypeScript jobs including frontend development, backend development using Node.js, full-stack roles, and positions in sectors such as fintech, e-commerce, and startups.

Do I need to have commercial experience with TypeScript to apply?

While commercial experience is often preferred, many employers in London consider candidates with strong TypeScript knowledge, relevant projects, or open-source contributions. Entry-level positions and internships are also available.

Are remote or hybrid TypeScript roles common in London?

Yes, many London-based companies offer remote or hybrid working options for TypeScript developers, reflecting the flexible working trends in the tech industry.

What salary can I expect for a TypeScript developer role in London?

Salaries for TypeScript developers in London vary based on experience and role but typically range from £40,000 to £90,000 per year. Senior roles or specialized positions may offer higher compensation.

How can I improve my chances of landing a TypeScript job in London?

To increase your chances, build a strong portfolio with TypeScript projects, stay updated on the latest TypeScript features, contribute to open-source, and tailor your CV to highlight relevant skills and experience.

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