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React Jobs in London

Overview

Looking for React jobs in London? Explore the latest React developer roles in one of the UK’s top tech hubs. Whether you’re a junior or senior React engineer, Haystack offers exclusive access to London-based opportunities with leading employers. Start your React career in London today and connect with exciting frontend and full-stack positions tailored to your skills.
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Spotlight
Global IT Software Engineer Manager
Boston Consulting Group
London
Remote or hybrid
Mid - Senior
Private salary
RECENTLY POSTED
react
dot-net
aws
mongodb
javascript
sql
+1
Who We Are
Boston Consulting Group partners with leaders in business and society to tackle their most important challenges and capture their greatest opportunities. BCG was the pioneer in business strategy when it was founded in 1963. Today, we help clients with total transformation-inspiring complex change, enabling organizations to grow, building competitive advantage, and driving bottom-line impact.
To succeed, organizations must blend digital and human capabilities. Our diverse, global teams bring deep industry and functional expertise and a range of perspectives to spark change. BCG delivers solutions through leading-edge management consulting along with technology and design, corporate and digital ventures-and business purpose. We work in a uniquely collaborative model across the firm and throughout all levels of the client organization, generating results that allow our clients to thrive.
What You’ll Do
WHAT YOU’LL DO Designing Software: Collaborate closely with stakeholders, architects, product owners, analysts and peer developers to build front-end and back-end application layers. Problem Solving : Work with key stakeholders to understand business challenges and propose innovative technology solutions, including experimenting with new and emerging technologies. Agile Practices : Apply Agile methodologies-such as work estimation, TDD, and BDD-to streamline development processes. Architecture & Standards : Implement technical architecture, tooling, platforms, and systems in coordination with Enterprise Architecture to maintain compliance with established standards. Data & Integrations : Understand the data and integration landscape and collaborate with expert teams to support application-level integration, reporting, and analytics. Cross-Functional Collaboration : Work with enterprise teams on UX design, security best practices, cloud strategies, and platform engineering. Technical Analysis : Lead technical analysis and estimation efforts for custom-built applications. Best Practices : Drive the adoption of release management and automation best practices. Incident Management : Ensure thorough root cause analysis and prompt remediation during any incidents or outages.YOU’RE GOOD AT
You bring solid development and program leadership experience to drive technical governance, innovation, integrations, and cloud strategies using emerging technologies like Gen AI. You thrive in environments that demand independent problem-solving, analytical thinking, and clear communication. In this role, you will:
Demonstrate thought leadership in technology innovation and transformation.
Communicate complex technical concepts in a clear and relatable manner to both technical and non-technical stakeholders.
Collaborate effectively with business and technology leaders, influencing decisions through your insights.
Exhibit initiative, self-motivation, and a collaborative spirit while working both independently and as part of a team.
Dive into technical details when needed, balancing hands-on problem solving with an end-to-end perspective.
Build strong relationships and maintain a respectful, team-focused approach.
Adapt to a fast-paced, multicultural, and service-oriented work environment.
Uphold organisational values and guidelines while flexibly interpreting them to drive business improvements.
Take ownership and be accountable for your work and the team’s performance.
Be detail-oriented, well-organised, and decisive when setting priorities.
Stay curious and committed to continuously upskilling as technology evolves.
Be available for occasional international calls outside regular business hours as required.
What You’ll Bring
Bachelor’s or Master’s degree in computer or information sciences or a similar field
10+ years of relevant experience in delivering IT Transformation initiatives, preferably in large international organisations
Hands-on technology development and implementation experience
Experience in agile development environments with all aspects of SDLC with globally distributed teams
Ability to lead/perform software development, as well as make architectural recommendations pertinent to business needs and related dependencies
Good understanding of security best practices from a development and deployment perspective
Strong technical competence, with the ability to rapidly learn new tools and technologies
Flexibility and entrepreneurial spirit to adapt easily to changing requirements and priorities
Experience leading and developing solutions across a varied technology stack, including:
Object-Oriented design, SOLID principles, and modern design patterns
Development experience in Microsoft .Net Framework and experience in Front-end JavaScript frameworks like Angular & React
Traditional Relational Database technologies like Oracle, MS SQL Server and - No SQL Databases like MongoDB or DynamoDB
SOA & Microservices architecture implementation using REST APIs, queue-based messaging patterns, exposure to Mulesoft/Kong is a plus
On-premise/cloud-based infrastructures, SDLC pipelines, and deployments/configurations and definition/evangelism of best practices/standards
Software delivery, including CI/CD and related DevSecOps practices, working with cloud-based platforms such as Azure or AWS (preferred)
Experience working on AI/Gen AI implementations and underlying architecture, and models
Application testing, automation and performance testing tools
Working knowledge of Agile Scrum
Boston Consulting Group is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, age, religion, sex, sexual orientation, gender identity / expression, national origin, disability, protected veteran status, or any other characteristic protected under national, provincial, or local law, where applicable, and those with criminal histories will be considered in a manner consistent with applicable state and local laws.
BCG is an E - Verify Employer. Click here for more information on E-Verify.
Senior Fullstack Javascript Developer
83zero Ltd
London
Hybrid
Senior
£71k - £82k
RECENTLY POSTED
javascript
react
github
typescript
vue.js
nodejs
+5
Senior Full Stack JavaScript Developer
Salary: 77,000 - 82,000 pa (depending on experience) plus benefits, perks and healthcare options
Location: Hybrid / 2 x days per week - Travel to London
Job Type: Permanent
Security Clearance: This role is exclusively open to UK sole nationals who either hold or are eligible for Security Clearance (SC).
We are on the lookout for a talented and motivated Full Stack JavaScript Developer to join a dynamic Engineering team. If you’re passionate about creating innovative web and mobile applications while ensuring high performance and scalability, this is your opportunity to make an impact!
Your Role:
Provide technical leadership and mentorship to a team of developers, guiding them through collaboration, innovation and facilitation to ensure best practices and high-quality code.
Design, develop, and maintain both front-end components of web and mobile applications using React, Angular, TypeScript, Bootstrap 5, HTML, CSS
Apply Test Driven Development (TDD) practices using tools such as Karma to ensure robust and reliable code.
Leverage AI-augmented development tools like GitHub Copilot to accelerate coding, improve consistency, and reduce boilerplate.
Collaborate with architects and other developers to design robust, scalable, and secure architectures for new projects and enhancements to existing systems.
Continuously improve our teams’ development processes, tools, and techniques to enhance productivity and product quality.
Work closely with clients and internal teams to understand requirements, provide technical guidance, and deliver solutions that exceed expectations.
Your skills and experience
Design, develop, and maintain both front-end and back-end components of web and mobile applications using JavaScript, Node.js, and modern frameworks and libraries such as React, Angular, or Vue.js.
Proven experience in full stack JavaScript development, with a strong focus on Node.js and server-side development.
Experience using AI-assisted development tools (e.g. GitHub Copilot) to enhance productivity and code quality.
Experience of at least one leading Node framework (Express.js, Nest.js, Hapi.js)
Expertise in at least one modern front-end framework (Nest.js, Remix.js).
A track record in a lead or senior developer role, with experience of mentoring and guiding development teams.
Proficiency in HTML5, CSS3, and JavaScript (ES6+).
Security Clearance Requirements:
You must be eligible for Security Check (SC) clearance.
Applicants must have resided continuously in the UK for the past 5 years.
If you’re ready to take the next step in your career and thrive in a fast-paced, innovative environment, we want to hear from you!
Web Developer - 3 month contract
OSS
London
In office
Mid
£480/day - £560/day
RECENTLY POSTED
react
entity-framework
dot-net
c
typescript
csharp
Leading UK retail business seeks experienced Full Stack and Back End Web Developers to join team on a 3-month contract.
This roles requires experienced individuals who are experienced in Internal Applications and have familiarity with Azure (ideally Azure pipelines).
Backend role
Dot.Net Development (version 8+) C
Entity Framework experience
Proficient in Data structures and Architecture
Full Stack role
Dot.NetDevelopment (version 8+) C
Modern React TypeScript (v18+ C
Responsibilities
Develop, update, and maintain internal business web application and dashboard.
Build clean, reusable, and efficient front-end components using React v18+ and TypeScript.
Collaborate with existing team to ensure smooth transition handover at termination of contract
Contribute to CI/CD workflows using Azure Pipelines within an Azure cloud environment.
Optimize application for performance, scalability, and accessibility.
Troubleshoot and resolve issues across the front end, supporting integration points with back-end services.
Maintain design consistency, usability, and accessibility standards across applications.
Requirements
Proven experience as a Web Development experience.
Expert knowledge of React v18+ with TypeScript.
Practical knowledge of .NET (C#) and how React applications integrate with it.
Familiarity with Azure environments, ideally including Azure Pipelines for CI/CD.
Strong understanding of responsive design, accessibility, and performance optimization.
Familiaity with calender page optimisation
A team player with good communication skills
React Developer (UI Components)
Pontoon
London
In office
Mid
Private salary
RECENTLY POSTED
react
javascript
java
python
kanban
Job Title: React Developer (UI Components)
Location: Bromley (3 days a week onsite)
Contract Type: Temporary
Rate: Circa 750/Day
Status: Inside IR35
Working Pattern: Full Time
Join Our Team!
Are you a skilled React Developer looking for an exciting opportunity in the dynamic world of finance? Do you have a passion for building and enhancing user interfaces? If so, we want to hear from you! Our client, a leading organisation in the FX Derivatives and Risk sector, is on the lookout for a talented React Developer to help create and expand their FX Options and Risk frontend application suite.
Essential Skills & Qualifications:
Proficient in an OOP language such as Java or Python.
Strong experience with web technologies, tools, and frameworks, including HTML, CSS, JavaScript, and React.
Familiarity with Agile development methodologies (XP, SCRUM, Kanban) and continuous integration practises.
Previous experience in UI design, optimisation, and development processes.
A solid degree in Computer Science, Physics, Engineering, Mathematics, or a relevant analytical field.
Deep understanding of algorithms, data structures, and design patterns.
Excellent communication skills and a strong team player mentality.
Knowledge of derivatives and options products, ideally within FX.
Experience in developing UI applications for finance, particularly in FX or other Fixed Income/Derivatives Trading environments.
What You’ll Do:
Collaborate with a dedicated team to design and develop user-friendly UI components using React.
Enhance the functionality and performance of existing applications, ensuring they are scalable and reliable.
utilise your problem-solving skills to tackle complex challenges in a high-pressure environment.
Work within an Agile framework to deliver high-quality software solutions.
Why Join Us?
Competitive Daily Rate: Earn up to 750 per day for your expertise.
Impactful Work: Play a key role in shaping financial applications that drive decision-making and risk management.
Collaborative Environment: Work alongside a talented team in a fast-paced, supportive atmosphere.
Career Growth: Opportunity to enhance your skills and advance your career in a prestigious financial organisation.
If you are excited about the opportunity to make a difference and have the skills we’re looking for, don’t wait-apply today! Your next big career move is just around the corner.
Apply Now!
Send your CV and a brief cover letter highlighting your relevant experience to insert contact method . We can’t wait to meet you!
Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone’s chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. If you require reasonable adjustments at any stage, please let us know and we will be happy to support you.
Senior Platform Delivery Lead (BPMN & DMN - Camunda)
Adecco
London
In office
Senior
Private salary
RECENTLY POSTED
prometheus
react
mongodb
redis
spring-boot
kubernetes
+9
Job Title: Senior Platform Delivery Lead (BPMN & DMN Orchestration Platform - Camunda)
Location: London (3 days a week on-site)
Contract Length: Until 31/03/2026 (possibility for extension)
Working Pattern: Full Time
Rate: Highly competitive rate available for suitable candidates
Join Our Team!
Are you ready to lead the charge in delivering innovative BPMN & DMN solutions? Our client is seeking a passionate Senior Platform Delivery Lead to architect, build, and implement a cutting-edge BPMN & DMN Orchestration Platform based on Camunda. This is your chance to make a significant impact in the financial sector while working in a dynamic Agile DevOps environment!
Purpose of the Role:
Architect and Build: Take the reins in designing and implementing a new BPMN & DMN Orchestration Platform.
Manage Delivery: Oversee Agile DevOps delivery of platform engineering resources to enable seamless automation capabilities across the EMEA region.
Required Skills and Experience:
Experience in implementing Camunda into enterprise DevOps platforms and integration with on prem and cloud-based architectures is essential.
Experience in implementing BMPN and DMN based engines for business process and business rules automation and orchestration within Financial Sector and highly regulated environment
Experience in onshore and offshore delivery team leadership
Experience in internal and third-party architecture and engineering resources management
Experience in performance management of resources, training and development
Thorough understanding of IT controls and software development lifecycle
Positive mindset to drive excellence and continual improvement in IT service delivery
Excellent analytical and problem-solving skills
Strong communication and interpersonal skills to effectively collaborate with diverse stakeholders
Effective corporate culture carrier, diversity and inclusion leader and sustainability champion
Key Responsibilities:
Lead the Way: Design and build the new Process Orchestration Platform using Camunda.
Agile Management: Drive agile DevOps delivery including ceremonies, plans, resources, budgets, and risk management.
Collaborate Effectively: Work with engineering, infrastructure, and security teams to ensure smooth delivery and continuous improvement.
Define Excellence: Establish engineering deliverables for the BPMN & DMN Centre of Excellence and support involved teams.
Foster Adoption: Create and implement a platform adoption plan with training and support to ensure effective utilisation.
Mentor and Inspire: Lead, manage, and mentor your team, fostering a collaborative environment focused on results.
Technical Skills:
Orchestration: Camunda 8 (including Zeebe, Operate, Elasticsearch, etc.)
Backend Development: Java 21, Spring Boot 3.x, Kafka
Frontend Development: Angular 15+, React 18+, REST APIs
CI/CD Tools: Jenkins, Docker, Kubernetes
Monitoring & Alerts: Prometheus, Grafana
Data Persistence: PostgreSQL, MongoDB, Redis
Why Join Us?
Be part of a forward-thinking organisation that values diversity, inclusion, and sustainability.
Work in a collaborative environment where your ideas and contributions are valued.
Enjoy a competitive salary and a supportive work culture that promotes professional growth.
If you’re an analytical and innovative leader ready to take on new challenges, we want to hear from you! Apply today and help shape the future of our BPMN & DMN Orchestration Platform!
Excited to make a difference? Let’s connect!
Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone’s chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. If you require reasonable adjustments at any stage, please let us know and we will be happy to support you.
UKIC Cleared Senior Front-end JavaScript Developer
Damia Group Ltd
London
In office
Senior
£40k - £80k
RECENTLY POSTED
javascript
react
aws
git
mongodb
graphql
+9
UKIC Cleared Senior / Lead Front-end JavaScript Developer - Consultancy (multiple locations available in the UK) - competitive salary and quarterly bonus
Please note - due to the nature of work, all candidates must have enhanced DV clearance (UKIC / UK C preferred) that is active and transferable
We are looking for a Senior / Lead Front-end JavaScript Developer to join our consulting client. We have multiple locations available
In this role, you will lead the development of an impactful web application for a public sector programme, ensuring high performance, scalability, and maintainability. You will work closely with cross-functional teams to deliver engaging solutions that meet the client’s needs.
Are you someone who could:
Provide technical leadership and mentorship to a team of developers, guiding them through best practices and ensuring high-quality code.
Design, develop, and maintain front-end components of web applications using HTML, CSS & JavaScript
Collaborate with architects and other developers to design robust, scalable, and secure architectures for new projects and enhancements to existing systems.
Lead and participate in agile development processes, including sprint planning, daily stand-ups, and retrospectives.
Conduct thorough code reviews to ensure code quality, performance, and adherence to best practices.
Continuously improve our teams’ development processes, tools, and techniques to enhance productivity and product quality.
Work closely with clients and internal teams to understand requirements, provide technical guidance, and deliver solutions that exceed expectations.
Stay up to date with the latest industry trends and technologies, and drive continuous learning and innovation within the team.
Preferred Experience
Proficiency in HTML5, CSS3, and JavaScript (ES6+).
Proven experience of Express.js and Nunjucks
Experience using the (url removed) Design System
Familiarity with the (url removed) CASA UI framework
Experience with MongoDB and NoSQL variants writing robust and scalable queries and operations
Experience with TypeScript and modern development tools and practices.
Knowledge of Cloud-Native development on the AWS Platform (IAM, SQS, S3, Secrets Management, KMS).
Familiarity with CI/CD pipelines and DevOps practices.
Experience with version control systems (Git).
Understanding of web standards, accessibility, performance and development best practice.
A track record in a lead or senior developer role, with experience of mentoring and guiding development teams.
Excellent problem-solving skills and the ability to think critically and creatively.
Strong communication and interpersonal skills, with the ability to collaborate effectively with cross-functional teams and clients.
Desirable Experience
Experience with headless CMS platforms such as Contentful.
Experience of modern tooling such as Vite, Vitest
Familiarity with microservices architecture and API development (REST, GraphQL).
Experience with mobile app development using React Native.
Knowledge of UI component libraries like Material UI, and tools such as Figma and Storybook.
Bonus experience
Integrating LLMs.
Damia Group Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept our Data Protection Policy which can be found on our website.
Please note that no terminology in this advert is intended to discriminate on the grounds of a person’s gender, marital status, race, religion, colour, age, disability or sexual orientation. Every candidate will be assessed only in accordance with their merits, qualifications and ability to perform the duties of the job.
Damia Group is acting as an Employment Business in relation to this vacancy and in accordance to Conduct Regulations 2003.
Spotlight
Senior Full Stack Engineer
Haystack
London
Hybrid
Senior - Leader
£100k - £120k
react
typescript
aws
python
Haystack is working with a direct employer on this opportunity.
Senior Full Stack Engineer (Frontend-focused)
Location: London (Hybrid – 3 days/week in office)
Type: Full-time
We’re hiring an exceptional Senior Software Engineer to help shape the future of our client’s platform.
The client’s brief:
You’ll play a key role in building intuitive, scalable, and high-performing features across our product. Whether your strength is in crafting elegant UI experiences or architecting robust backend systems, we’re looking for engineers who thrive in cross-functional teams and love owning features end-to-end.
What You’ll Do
Deliver impactful features across the stack, with a focus aligned to your expertise (frontend or backend).
Own systems from architecture and implementation to deployment and ongoing improvement.
Collaborate closely with design, product, and customer teams to translate ideas into polished user experiences.
Contribute to the evolution of our technical direction, engineering practices, and product strategy.
Participate in the full development lifecycle: planning, coding, reviewing, launching, and iterating.
What We’re Looking For
5+ years’ experience building and shipping full stack applications.
Deep experience with React and TypeScript, strong UI/UX sensibilities, and a portfolio that showcases your frontend work.
Strong experience building scalable APIs and backend systems, ideally using Python (or a willingness to learn it).
Solid understanding of cloud infrastructure (AWS, GCP, or Azure).
Comfortable working in fast-paced, collaborative environments.
Bonus: Experience in a high-growth startup, familiarity with testing tools (e.g., Playwright, Storybook), and serverless architecture.
Tech Stack
Frontend: React, TypeScript, Playwright, Storybook
Backend: Python, FastAPI, Postgres, TypeScript
Cloud: AWS (Lambda, DynamoDB, EKS, etc.)
DevOps & Tooling: GitHub Actions, Terraform, Docker
Lead R Engineer / Data Scientist - Integrated Pest Management (IPM)
Morris Sinclair Recruitment
London
Fully remote
Leader
£70k - £120k
r
linux
react
windows
dot-net
javascript
+5
Remote Role Central London Office
This is a fully remote role but you MUST be UK based and not require a visa to work.
Lead R Data Science Engineer - Integrated Pest Management (IPM) Research & Solutions
The Organisation
Our client develops cutting-edge navigator software for the global agricultural sector, helping farmers transition toward more sustainable practices through science-backed analytics. Their software provides direct access to advanced sustainability models and insights.
Their Sustainability division consists of specialised Research Software Engineers who transform scientific findings into practical models for farmers and land managers, enabling them to understand their systems better and build more sustainable, profitable operations.
Position Overview
We’re seeking an experienced Data Engineer to join our client’s Sustainability team as a lead technical specialist in our R-focused Research Software Engineering group to specialise particularly in Integrated Pest Management. You’ll create and maintain the technical infrastructure that enables our sustainability experts and data scientists to develop innovative agricultural sustainability solutions to solve global issues in Integrated Pest Management (IPM).
Core Functions
Lead technical best practices across R package design, code architecture, documentation, and dependency management
Establish and oversee versioning and CI/CD systems to enhance team workflows
Guide team members in code architecture, development standards, and deployment processes
Serve as the technical authority for computationally demanding tasks, especially spatial analytics and GIS-based product development
Implement scientific research findings around Integrated Pest Management (IPM) into production-ready code
Collaborate with our Engineering department to align code design, versioning strategies, and release cycles
Essential Qualifications
Master’s degree and / or PhD or equivalent in informatics or life sciences (or bachelor’s degree with 5+ years relevant industry experience)
Deep knowledge of R programming and package development
Proven experience managing dependencies and ensuring reproducibility in R production environments
Strong background in version control systems and CI/CD implementation
History of successful collaboration with IT teams on data science workflows
Proficiency with Windows and/or Linux environments
Experience with GIS systems and spatial data analysis
Exceptional problem-solving abilities and adaptability
Leadership experience with strong communication skills
Structured approach to quantitative challenges
Comfort working in a dynamic startup environment
Qualifications
Microsoft Azure experience, particularly R integration
Application containerization knowledge (Docker, etc.)
Familiarity with Python, JavaScript, C++, bash, or other languages
Web application development experience (React, .NET)
Background in data security and IP protection workflows
Knowledge of environmental sustainability concepts (carbon footprinting, lifecycle analysis, environmental modeling)
Experience in agricultural or land management sectors with a background specifically in Integrated Pest Management (IPM)
If you are based in the UK and meet the criteria listed then apply now! The Morris Sinclair team will give you a call.
Full Stack Developer
Noa Recruitment Ltd
London
Remote or hybrid
Mid
£65k - £85k
react
aws
javascript
typescript
Full Stack Software Engineer - Hybrid UK - £85000
We are helping an innovative technology business scale their Software team in in the UK.
Their software powers some of the worlds leading consumer brands across the digital commerce and experience space.
Due to continued growth and demand for their products they now urgently need a Full Stack Software Engineer to focus on their back end code and infrastructure base.
This role would suit a Full Stack Software Engineer who sees their career in hands on technical leadership and defining how software should work.
This role is remote within the UK - they do have an office in central London and the team meet up once per quarter.
To be a successful, the ideal Full Stack Software Engineer candidate will have:
A deep knowledge backend JavaScript - Node and Typescript.
Excellent knowledge of React for front end
Experience of some AWS or AI or LLM
Experience of working in a small team and getting things done
What is in it for you? As a talented Full Stack Software Engineer you can expect:
Great salary - Up to £85,000 base and Package (neg for the right person)
If you are an ambitious Full Stack Software Engineer hit apply and we will do the rest.
Please apply with your CV and we will be in touch for a confidential chat.
Noa Recruitment specialise in helping Software and Web Professionals and technical talent find great careers. If this role doesn’t sound like you, but you know a great person who might be interested then please do share these details with them.
Backend Software Engineer
Noa Recruitment Ltd
London
Remote or hybrid
Mid
£90k - £110k
react
aws
javascript
typescript
Lead Software Engineer - Hybrid UK - £(phone number removed)
We are helping an innovative technology business scale their Software team in in the UK.
Their software powers some of the worlds leading consumer brands across the digital commerce and experience space.
Due to continued growth and demand for their products they now urgently need a Lead Software Engineer to focus on their back end code and infrastructure base.
This role would suit a Lead Software Engineer who sees their career in hands on technical leadership and defining how software should work.
This role is remote within the UK - they do have an office in central London and the team meet up once per quarter.
To be a successful, the ideal Lead Software Engineer candidate will have:
A deep knowledge backend JavaScript - Node and Typescript.
Excellent knowledge of AWS devops and infrastructure.
Experience of some front end React would be nice to have
Experience of working in a small team and getting things done
What is in it for you? As a talented Lead Software Engineer you can expect:
Great salary - Up to £100,000 base and Package (neg for the right person)
If you are an ambitious Lead Software Engineer hit apply and we will do the rest.
Please apply with your CV and we will be in touch for a confidential chat.
Noa Recruitment specialise in helping Software and Web Professionals and technical talent find great careers. If this role doesn’t sound like you, but you know a great person who might be interested then please do share these details with them.
Spotlight
Portfolio Lead Solution Architect Director
Boston Consulting Group
London
In office
Leader
Private salary
react
aws
javascript
nosql
angular
Locations: Boston London Munich
Who We Are
Boston Consulting Group partners with leaders in business and society to tackle their most important challenges and capture their greatest opportunities. BCG was the pioneer in business strategy when it was founded in 1963. Today, we help clients with total transformation-inspiring complex change, enabling organizations to grow, building competitive advantage, and driving bottom-line impact.
To succeed, organizations must blend digital and human capabilities. Our diverse, global teams bring deep industry and functional expertise and a range of perspectives to spark change. BCG delivers solutions through leading-edge management consulting along with technology and design, corporate and digital ventures-and business purpose. We work in a uniquely collaborative model across the firm and throughout all levels of the client organization, generating results that allow our clients to thrive.
What You’ll Do
To realize our digital transformation, we need to transform our products, experiences, processes, technology and how we operate. We are looking for people who are passionate about Agile ways of working and want to spread this approach within our teams and business processes. To execute this transformation, we need people who take the lead in defining standards and guardrails of working and developing expertise within the portfolio. As portfolio architect you will define and design technology solutions that optimize our solutions for rapid innovation whilst also making sure we manage risks such as cyber security and operational resilience. You will act as pioneer, thought leader, problem solver, and be sought out for your expertise by product and engineering teamsIn your role you will bridge enterprise architecture and engineering and will own the design products and solutions within the Risk portfolio. Using proven BCG’s DDP architecture framework to identify, own and advance the digital transformation in the portfolio. You will optimize against many requirements such as functional needs, quality attributes (e.g., security, usability), cost, sustainability, and enterprise-wide goals (e.g., cloud and API enablement,ai). You document architecture views and deliver architecture artefacts required by the delivery process and enable teams to maximize automation in the CI/CD pipeline. Moreover, you will be a hands-on participant in architecture proof of concepts, innovation initiatives, and performance tuning activities. Researching/analyzing emerging technologies, as well as designing and advocating new technologies, architectures, and products in collaboration with system and service owners is part of your profile. Same is true for identifying risks within proposed solution architectures and developing mitigation plans, ensuring that solution architectures are scalable and sustainable for operations. You propose architectural epics and
stories to implement the architectural runway and clear technical debt, document quality attributes in epics & stories, and define acceptance criteria.
Among your responsibilities, you will:
Own and influence architecture decisions across the Portfolio, ensuring it is in alignment with BCG standards, and design principles.
Own the annual DDP refresh (Data & Digital Platforms) architecture for the portfolio that covers tech maturity, road mapping, integrations, security, and data strategies.
Create reference architecture focused on design principles, detailed APIs, and major systems dependencies between business and IT
Define the principles, guidelines, standards, and solution patterns to ensure solution decisions are aligned with the enterprise’s future-state architecture vision
Analyze the business-IT environment to detect critical deficiencies, legacy, and technical debt and recommend solutions for improvement
Author the strategic architecture for the Portfolio to state the architecture needed to meet the business requirements
Stay up to date with emerging technology trends within the industry to innovate and champion modern technologies/frameworks/tools where appropriate
YOU’RE GOOD AT
To be successful, you should bring sound development and architecture experience leveraging technologies to drive technical governance, innovation, integration and cloud-oriented strategies. Ideally, you thrive in a work environment that requires strong problem solving, analytical and decision-making skills, and independent self-direction, coupled with an aptitude for collaboration and open communication.
Thought leadership in technology innovation and transformation
Partnering with the Product Portfolio Lead, Technical Area Lead and Enterprise Architects to envision and deliver on the architectural roadmap and priorities for the portfolio.
Translating business and technical requirements into an architectural blueprint to achieve business objectives and documenting all solution architecture design and analysis work
Leading evaluation, analysis, and design for the implementation of a solution architecture
Demonstrated ability to collaborate with and lead cross-functional groups; and to prioritize regular workload, special tasks, and concurrent projects, allocating time and resources to ensure that work is completed accurately and efficiently within an established time frame.
Valuing simplicity and being unafraid to challenge technical constraints and procedures to enable an agile, high-performing team.
Comfortable partnering with Product Owners and technical leadership and providing a data-driven approach to decision making, both in the day-to-day management and in making strategic trade-offs
Committing to cross-functional collaboration to achieve the best results for the organization
Passionate about building enterprise-grade, scalable solutions, that add long-term value to the firm
High level of initiative, self-motivation, resourcefulness and collaboration
Building relationships and reliable team player, displaying consideration and respect for others
Performing successfully in a fast-paced, multi-cultural and service-oriented environment
Interpreting rules and guidelines flexibly to enhance the business and aligning with BCG’s values and culture
Exhibiting ownership and accountability for yourself and the team
Attention to detail, well organized, and able to set priorities and take decisions
Being flexible to be available outside of normal business hours for international calls as needed
What You’ll Bring
Education and Certifications
Bachelor’s degree in information science, data management, computer science or related field.
15+ years of relevant experience in IT architecture with strong technical background, preferably in large international organizations
Experience with scalable architectures, API management, serverless technologies, and SaaS low code platform-tools/technologies
Demonstrated experience communicating complex system architecture technologies, patterns, artifacts, and roadmaps to senior business leadership
Good understanding of technology-enabled business transformation, Digital transformation, Organizational transformation, delivering enterprise-level Digital projects
Knowledge of Agile Methodologies and ways of working (Scrum, XP, DevOps ), understanding and applying a “servant leader” mindset, and with the ability to engage in Agile ceremonies to provide teams necessary direction and guidance
Nice to have - IT Architect certification: Open Group certification (e.g., TOGAF Certified, Certified Architect Master)
Functional/Technical Skills
Strong experience as an IT architect in complex and heterogeneous environment
Solid experience of designing end-to-end architecture and design of applications using one or more platforms
Expertise in integrating Software as a Service (SaaS) solutions in complex environment
Domain experience in Risk solutions, ideally with experience in leading a Risk Transformation project
High level of expertise in understanding data architecture and supporting technologies
Experience in collaborating with agile development teams in reviewing application architecture, design and implementation against quality standards
Solid experience in modern design patterns
Expertise towards SOA & Microservices architecture implementation using REST APIs, queue-based messaging patterns, relational and NoSQL databases
Working knowledge of Machine learning model integration and MLOps pipelines.
Working knowledge of orchestration for AI services.
Working knowledge of on-premises/cloud-based infrastructures, SDLC pipelines, and deployments/configurations and definition/evangelism of best practices/standards
Proven advanced experience with systems integration, IT industry standards, architecture principles design, and service level agreement definition
Strong focus on promoting component re-use in architecture designs
Experienced in software delivery including CI/CD and related DevSecOps practices, working with cloud-based platforms such as Azure or AWS
Strong software design & development principles, with a focus on system stability, reusability and performance optimized for a global audience
Strong understanding of application testing, diagnostics, and performance tuning
Strong understanding of TDD and BDD methodologies.
And workable knowledge of
Data ingestion pipelines
Front-end JavaScript frameworks like Angular & React and Vue
AWS
Azure
. click apply for full job details
Spotlight
Software Developer - Senior Consultant (Contractor)
Opencast
Multiple locations
Hybrid
Senior
£450/day - £600/day
java
scala
spring-boot
javascript
typescript
kotlin
+11
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 role
We’re looking for a Contractor in Software Development 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 & C# 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 work
Our 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 you
We 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.
Interview
Job 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.
Junior/Mid Software Engineer
careless™
London
Remote or hybrid
Mid
£45k - £55k
react
csharp
About careless™
We’re building a digital-first insurance platform from the ground up — designed for the next generation of customers who expect simple, fast, and transparent protection. We’ve just launched our first policy (Personal Belongings cover), and we’re scaling fast, with a product roadmap packed with renters, travel and home insurance, all powered by automation and AI.
The Role
We’re looking for a talented and proactive Full Stack Developer with a frontend focus to join our early team. You’ll be primarily responsible for the customer-facing experience across our React Native iOS and Android apps, but you’ll also collaborate with our backend developer to support platform logic and integration needs.
This is an exciting opportunity for someone who wants to grow into a Senior Developer or future CTO role in a high-growth startup. We’re ideally looking for a younger developer with solid experience, based in London, and excited by building consumer-facing products in an AI-first company.
Tech Stack Overview:
• Frontend: React Native (iOS + Android), Expo, Retool
• Backend: C#, .NET 8, ASP.NET Core
• Database: PostgreSQL
• Infrastructure & CI/CD: AWS, Heroku, GitHub Actions
• Analytics/Monitoring: Sentry
• Authentication/Payments: Auth0, Stripe
• Integrations:
• getAddress (Address verification)
• 46elks (SMS/Phone Verification)
• Cloudinary (CDN for static assets)
• Postmark (Transactional email)
• Claims Consortium Group, ClaimSorted & Synergy Cloud (Claims processing)
• AI: OpenAI API for automation, text completion & classification
What we’re looking for:
• Strong experience in React Native and mobile UX/UI development
• Solid understanding of app release workflows via Expo
• Comfortable working with .NET backend services or willing to learn
• Ability to collaborate closely with our backend developer on feature rollout and integration
• Based in or near London – we value in-person problem-solving and creative sessions
• Interest in AI/automation and excitement
• Ambition to grow with the company and step into a senior or leadership engineering role over time
Nice to haves:
• Experience working on early-stage products or startups
• Familiarity with payment platforms like Stripe
• Prior work with secure integrations (e.g. fintech, health, insurance)
Why join careless™?
• Real ownership from day one on a live product
• Fast-paced team working directly with the founders
• Competitive compensation and early equity
• A mission-driven company building smart, digital-only insurance
Spotlight
Senior Software Engineer (Frontend focused)
Orchestra
London
Hybrid
Senior - Leader
Private salary
react
typescript
python
aws
We need an exceptional Senior Software Engineer who is proficient across the full stack but has a strong passion for frontend development. You’ll build intuitive and powerful user interfaces that define how data teams interact with Orchestra, while also contributing to backend systems.
What You’ll Do
TLDR: Do all it takes to build an exceptional product and scale the core experience of Orchestra products.
Implement and maintain features across the full stack, with a primary focus on the frontend and a strong understanding of backend integration.
Own systems end-to-end: architecture, implementation, deployment, and iteration of user-facing features and their backend connections.
Collaborate closely with customers, design partners, and other internal stakeholders to translate capabilities and requirements into intuitive user experiences.
Drive the full development lifecycle, from technical planning to production launch and post-release improvements.
Contribute to shaping our technical direction, engineering culture, and product strategy.
What We’re Looking For
5+ years of experience building and shipping full-stack products.
Fluent in React + TypeScript, with a strong portfolio of frontend work.
Concrete understanding of UI/UX best practices, component design, performance tradeoffs, and scalable frontend architecture.
Proficiency in Python or a willingness to learn and contribute to backend services.
Fast, resourceful, and opinionated - you know when to ship and when to conduct an experiment.
Demonstrated experience working in a cloud environment (e.g., AWS, GCP, Azure).
Bonus: Engineering/product at a leading startup, experience with testing frameworks like Playwright or Storybook, and building using serverless technologies.
You live in the UK and will come to our office in London 3 days a week.
Our Tech Stack
Frontend: React, TypeScript, Playwright, Storybook
Backend: Python, FastAPI, Postgres, TypeScript
Cloud: AWS (Lambda, Dynamo, EKS, etc.)‍
DevOps & Tooling: GitHub Actions, Terraform, Docker
Benefits‍
Competitive salary
Bi-annual offsite
Regular team dinners + socials
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