React Jobs in London

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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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Software Engineer - Hybrid - £60k Surrey

Opus Recruitment Solutions Ltd

Software Developer - .NET Core, C#, SQL, React/BlazorWe’re seeking a talented Software Developer to join a dynamic development team shaping impactful software solutions. You’ll work across the full SDLC, writing clean, scalable code and collaborating with product and cross-functional teams to deliver high-quality applications.You’ll need solid experience with .NET Core, C#, SQL, and both front-end and back-end development. Familiarity with unit testing (MS Test/XUnit), SpecFlow, BDD, and building web apps using relational/NoSQL databases is essential. Bonus points for experience with Blazor, React, Razor, Vue, Azure, HTML/CSS/JavaScript, and SaaS or mobile platforms.This is a great opportunity for someone who thrives in Agile environments, values clean architecture, and enjoys driving continuous improvement. You’ll be part of a collaborative team with flexible working, modern offices, and a clear mission to modernise and future-proof social care through technology.Would you like a version optimised for a specific platform like LinkedIn or Indeed?Apply with an up to date CV to

Contract React Native Full Stack Engineer

Contract React Native Full Stack Engineer Outside

Rate: £350-£500/dayLocation: UK-based, hybrid (2 days/week onsite)Duration: Ongoing contractStart: ASAP

A fast-growing, product-led tech company is entering a major scale-up phase following a recent acquisition by a global fitness platform. They’re now expanding engineering capacity to support a surge in users and platform demand.

This is a contract opportunity for Contract Software Engineers to join at multiple levels to help build and scale a public-facing app used by millions worldwide.

There will be several phases to the overall program and there is real long-term opportunity.

Key Responsibilities:

Strengthen test automation and coverage across web & mobile

Scale and optimize CI/CD pipelines (GitHub Actions)

Debug and performance tune core app code in preparation for 10x user growth

Collaborate on building new features for a global fitness-focused audience

Ensure platform readiness for scale (infra, delivery, reliability)

Tech Stack:

React Native, React,

TypeScript, JavaScript

Python

GitHub Actions for CI/CD

AWS (Serverless architecture)

Ideal Profile:

Strong experience with React Native in production environments

Comfortable with end-to-end testing, CI/CD tooling, and cloud-based deployments

Previous experience working on consumer-facing or high-scale apps

Based in the UK and available for 2 days/week onsite

This role offers the chance to make a real impact on a platform preparing for significant growth and visibility in the global fitness market.

To express interest, please get in touch with your CV and availability.

Contract React Native Full Stack Engineer Outside

RSG Plc is acting as an Employment Business in relation to this vacancy.

Software Developer C# .Net Core React SaaS

Software Developer / Full Stack Engineer (.Net Core JavaScript React) Leatherhead to £70k

Do you enjoy working with a range of tech across the full stack?

You could be joining one of Britain’s largest and longest standing Microsoft partners and technology consultancies, working on a range of projects and progressing your career.

As a Software Developer you’ll join a small team, designing and developing a range of applications with a focus on backend development (70/30), for eCommerce clients. You’ll be using a range of modern technologies including C# .Net Core, JavaScript / TypeScript and React within a DevOps, Azure, SaaS environment. There currently breaking up monolith applications into microservices.

You’ll be working collaboratively, problem solving and promoting best practice within a friendly and supportive Agile development environment, you’ll be able to lead stand-ups, discuss ideas, reason about trade-offs and ensure deadlines are met.

Location / WFH:

There’s a hybrid work from home policy with two days a week in the Leatherhead office (just off M25 or about 10 minute walk from the station) you can enjoy a range of perks such as onsite gym and playroom.

About you:

You have strong C# .Net Core backend development skills

You also have some experience with JavaScript / TypeScript, React, HTML and CSS for front end work

You have experience with Kubernetes and / or Docker

You’re familiar with Azure cloud based services, microservices, DevOps environments

You’re collaborative and pragmatic with great communication skills

What’s in it for you:

As a Software Developer / Full Stack Engineer you will earn a competitive package:

Salary to £70k + Bonus

Pension, Life Assurance, Vitality Healthcare

25 days holiday + Christmas closure

Long service awards

Share scheme

Social clubs and volunteering days

Onsite gym, playroom and bar

Employee Assistance Programme

Mental Health initiatives

Enhanced maternity, paternity, adoption and family leave

Annual family events

Apply now to find out more about this Software Developer / Full Stack Engineer (.Net Core JavaScript React Azure) 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.

Frontend Developer React

Harnham - Data & Analytics Recruitment

Hybrid London (2 days a week)

Up to £75,000 + Benefits

Are you passionate about building interactive, user-friendly web applications that make a real impact? We’re partnering with a cutting-edge tech company combining distributed computing, simulation, and machine learning to revolutionise urban transport systems - and they’re looking for a Front-End Developer to help take their platform to the next level.

Why this role?

Be part of a mission-driven team improving the way cities move and operate.

Work on FlowOS, a flagship product already being adopted by some of Europe’s biggest public transport operators.

Hybrid flexibility: London office 2 days per week with balance to work remotely.

Join a diverse, ambitious team of engineers, data scientists, and urban modelling experts.

? What you’ll be doing:

Designing, implementing, and testing front-end applications for FlowOS.

Contributing across the full development lifecycle: from feature conception to release and customer testing.

Choosing the right tools and influencing the long-term strategy for the front-end tech stack.

Working in a cross-functional team, sharing responsibility for development, integration, and deployment.

Building impactful solutions using technologies such as React, D3.js, MapBox, and client-side databases.

Growing into a role with ownership and technical leadership as the web development team expands.

? What we’re looking for:

3+ years of commercial experience building interactive web applications with JavaScript/TypeScript and React.

Experience with Node.js, Webpack, and modern development workflows.

Strong understanding of client-side performance, cross-browser compatibility, and RESTful APIs.

Experience with testing frameworks (e.g., Jest, Enzyme) and UI tools (e.g., Figma).

A passion for building maintainable, scalable, and high-quality software.

Strong communication skills and a collaborative mindset.

? Bonus skills:

Data visualisation (e.g., D3.js) or scientific visualisation experience.

Mapping tools (e.g., MapBox) or real-time applications (e.g., WebSockets).

Package & Benefits:

Salary up to £75,000.

Hybrid working - London office twice per week.

A supportive, innovative, and collaborative culture.

Career development support through training and mentoring.

The opportunity to make a tangible impact on urban mobility and sustainability.

Full Stack Craft CMS Developer

Location: Remote (UK-based) with meetups in London 2x per monthType: Full-timeSalary: Competitive, based on experienceExperience level: Mid-SeniorSkills needed - PHP, Craft CMS, JavaScript, HTML, CSS**The Company:**We are working with a well-established UK-based print and digital publishing business with a strong presence in both traditional and online media. It’s a small but dynamic and forward-thinking team committed to growing their digital platforms and expanding development capabilities. We are looking for a talented developer to play a key role in both day-to-day development and the wider strategic evolution of digital platforms. This is an exciting opportunity for someone who enjoys variety, problem-solving, and wants to grow into a leadership or team management role while remaining hands-on with development.The Role:

Developing and maintaining websites

Supporting and mentoring junior developers

Collaborating with external agencies on larger technical projects

Contributing to the hiring and team-building process as they expand

Helping shape technical decisions and architecture

Key Requirements:

Strong experience with PHP (ideally with knowledge of modern frameworks like Laravel, Symfony, or Yii)

Solid understanding of object-oriented programming (OOP) in PHP

PHP package management (e.g., Composer)

Proficiency in modern HTML/CSS

Good working knowledge of JavaScript (vanilla JS, jQuery; experience with Vue or React is a plus)

Good knowledge of MySQL

Experience with CraftCMS or similar CMS platforms (Drupal, Statamic, OctoberCMS, etc.)

Experience extending CMS platforms via custom modules/plugins

Familiarity with templating languages like TWIG or Blade

Experience with modern front-end build tools (e.g., Webpack, Gulp)

Knowledge of TailwindCSS

Experience working on high-traffic websites or web apps

Benefits:

25 days annual holiday

Annual company Christmas outing and summer social

Company pension scheme

Unique travel incentives

Energetic, sociable team culture - with regular team meetups and drinks

This role is particularly well-suited to a generalist developer who enjoys working across a range of technical challenges. It may appeal to someone with freelance or small-team leadership experience, comfortable balancing hands-on coding with broader technical strategy.**What Next?**If this sounds like it could be your next opportunity, please apply with an up to date CV or email

Lead Software Engineer

Lead Software Engineer with a path to CTO

Location: London, E14 5RE (Hybrid)

Job Type: Full-Time

A Once-in-a-Lifetime Opportunity

We’re BroadbandUK. We help millions each year make better broadband decisions, because fast, reliable internet improves everyday lives.

We’ve already launched the UK’s first address-level price comparison service, built a speed test used by over 1 million people, and partnered with brands like Currys, Openreach, and The Telegraph.

But we’re just getting started.

We’re a high-growth, revenue-generating startup entering an exciting new phase. We’re looking for a Lead Software Engineer with a path to CTO to join our founding team and help shape the future of connectivity in the UK.

This is a rare opportunity to help build a company from the ground up and become a household-name that touches the lives of millions.

We’re now transitioning into an AI-first company, using large language models and automated workflows to transform how connectivity challenges are solved. Be part of a close-knit, ambitious team where you’ll learn quickly and work on challenges that matter, and we hope you’ll enjoy the journey as much as we do.

What you’ll do

As Lead Software Engineer and co-founder, you’ll play a critical role in shaping the future of BroadbandUK. You’ll work directly with the CEO and co-founders to:

Mentor a growing team of engineers, guiding graduates and interns as they level up their skills.

Shape the architecture and technical direction of our products, balancing scalability with speed of delivery.

Design and integrate AI models and algorithms that unlock insights from national connectivity data to tackle real-world challenges.

Leverage unique datasets from Ofcom, Openreach, independent networks and ISPs to uncover problems that directly impact how the UK connects.

Advance the use of retrieval-augmented generation (RAG), combining LLMs with vector search, to push the boundaries of how AI can be applied to connectivity challenges.

Our stack

Backend: PHP (Laravel), Python (for AI/ML workflows)

Frontend: React, Next.js (preferred), with flexibility for other modern frameworks

Infrastructure: AWS (including Lambda, S3, DynamoDB), DigitalOcean

Data: MySQL, Redis, NoSQL stores

Dev tools: GitHub, CI/CD, Docker

AI & Automation: LLM APIs, vector databases, agentic workflow tools, n8n, Claude Code, Cursor

What we’re looking for

We know no one ticks every box, but proven experience in leading engineering teams and building and scaling real-world products is essential.

5-10+ years of professional software engineering experience, with a track record of building and scaling real-world products.

Strong leadership skills: guiding teams and setting technical direction.

An ownership mindset: you thrive in startup environments and like solving real problems and learning fast.

Proven impact: you’ve built and scaled products, led projects that made a difference, contributed to open-source, or delivered results that truly moved the needle.

Why you’ll love it here

Impact from day one: your work goes live quickly and matters immediately.

Big challenges, close-knit team: analytics and AI at national scale.

Freedom to innovate: independent and privately funded, with focus over noise.

Growth and mentorship: work closely with founders and engineers.

We see our team like a world-class orchestra; each person a virtuoso in their craft, together creating impact greater than the sum of our parts.

Apply Now

Be part of building what comes next. Apply now as BroadbandUK’s Lead Software Engineer and help redefine how broadband is measured, compared and understood in the UK. To apply, send your CV with a short cover letter using the apply button. We look forward to hearing from you.

Tags: Lead Software Engineer, Laravel, React, Python, AWS, AI/ML, n8n, Claude Code, Cursor, Docker, Startups, DevOps

React Developer TypeScript - Hedge Fund

React Developer / Front End Engineer (React v19 TypeScript) London / WFH to £95k

Do you have expertise with React?

You could be progressing your career at a Hedge Fund with complex work and substantial bonus earning potential.As a React Developer you’ll join a globally distributed team to develop engaging and simple user interfaces across all internal business systems. You’ll collaborate with UX and Product teams, actively participating in all stages of a project, through product design, development, implementation, testing and maintenance.

**Location / WFH:**You’ll join colleagues in the impressive Central London office with flexibility to work from home twice a week.

About you:

You have strong Front End development skills with React (they’re using v19) and TypeScript

You are experienced with other web technologies such as HTML, CSS, Web APIs

You have a strong knowledge of Computer Science fundamentals including OOP, Design Patterns, Data Structures

You have experience of working in large, fast paced organisations

You are collaborative with great communication skills

You are degree educated, having achieved a 2.1 or above in Computer Science or similar technical discipline

What’s in it for you:

As a React Developer / Front End Engineer you will receive a competitive package:

Salary to £95k

Bonus

Pension

Self development and career progression opportunities

Apply now to find out more about this React Developer / Front End Engineer (React v19 TypeScript) opportunity.

C# Developer Full Stack .Net Core JavaScript

C# Developer / Full Stack Engineer (.Net Core JavaScript) St Albans / WFH to £100k

Do you have expertise with C# .Net backend development combined with JavaScript skills?

You could be progressing your career in a senior hands-on role at a technology driven trading company that invest in Sports betting markets with a flat structure where you will get your voice heard and can make a real impact on the bottom line, earning significant bonuses.

As a C# Developer you’ll join an Agile development team to design and develop new features and enhancements to complex Payments and client systems within a microservices environment (300 services). You’ll be working with a modern tech stack using C# .Net Core, AWS, Kubernetes, Kafka, Redis and TypeScript / Angular; using the right tool for the job, you’ll be able to pick up new technologies and make recommendations for improvements.

WFH Policy:

You’ll join colleagues in St. Albans, Hertfordshire (parking available), 10 minute walk from local station, with the flexibility to work from home twice a week in a hybrid model.

About you:

You have strong C# .Net Core backend development skills

You have JavaScript experience, combined with Angular or React

You have experience with AWS and microservices

You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms

You enjoy collaborating, learning new things and sharing knowledge

You are degree educated in Computer Science or closely related discipline

What’s in it for you:

As a C# Developer / Full Stack Engineer you will earn a competitive package:

Salary to £100k

Bonus

25 days holiday, rising to 30 after 2 years

Enhanced parental leave

Contributory pension scheme

Private Medical

MSDN subscription

Discounts for gym membership, travel and cinema

Sabbatical after 10 years of service

Flexible working with 2 days work from home per week

Apply now to find out more about this C# Developer / Full Stack Engineer (C# .Net Core JavaScript) opportunity.

Senior Frontend Engineer Next.js / React -TOP SaaS Company!

Senior Frontend Engineer (Next.js / React)

High-Growth SaaS Build Elegant, User-First ProductsIn partnership with Robert Half Limited.

We’re a high-growth SaaS company scaling fast, and we’re looking for a Senior Frontend Engineer to join our team. This is a chance to shape products used by thousands of customers, working with modern tools and a team that values craftsmanship, speed, and impact.

What You’ll Do

Build and scale complex, high-performing web applications with Next.js and React

Collaborate with design and product to create polished, intuitive, responsive interfaces

Drive improvements in performance, accessibility, and scalability across platforms

Contribute to architecture decisions, code reviews, and design discussions

Champion best practices in frontend engineering, testing, and CI/CD

Mentor and support teammates to raise the engineering bar

What We’re Looking For

5+ years of frontend engineering experience with React (Next.js a big plus)

Strong eye for UI/UX quality and detail

Proficiency in TypeScript and modern frontend tooling

Experience integrating with APIs and partnering with backend teams

Solid knowledge of performance tuning, accessibility, and SEO

Great communicator who can collaborate across disciplines

Bonus Points

Experience with design systems/component libraries (Storybook, Radix, shadcn/ui)

Familiarity with Figma or design tools

Exposure to backend (Node.js) or DevOps (Vercel, AWS)

Why Join Us?

Be part of a high-growth SaaS business where your work directly shapes the product and user experience

Work with modern tech and tools, shipping quickly but with quality

Join a team that values autonomy, collaboration, and craftsmanship

Plenty of opportunity for ownership and career growth as we scale

Excellent Benefits on Offer

Generous holiday allowance, Strong pension scheme, Gym membership support

Ability to work remotely abroad for up to 30 days per year

APPLY NOW -3 Stage Process and quick turnaround with no tests!

Robert Half Ltd acts as an employment business for temporary positions and an employment agency for permanent positions. Robert Half is committed to diversity, equity and inclusion. Suitable candidates with equivalent qualifications and more or less experience can apply. Rates of pay and salary ranges are dependent upon your experience, qualifications and training. If you wish to apply, please read our Privacy Notice describing how we may process, disclose and store your personal data: gb/en/privacy-notice.

Web Developers - Full Stack & Backend (Remote)

evelopers 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

Job Title: React Developer (UI Components)**Location: Bromley (3 days a week onsite)Contract Type: TemporaryRate:** Circa £750/DayStatus: Inside IR35Working 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 Software Engineer

Senior Software Engineer Node TypeScript React APIs Greenfield AWS Microservices £90,000-£95,000 + 10% Discretionary Bonus + Benefits

Method Resourcing is thrilled to be partnering with a global leader in the travel services and benefits sector. They’re looking for a Senior Software Engineer to drive innovation and drive forward greenfield functionality as the company dives into AI.

The role: As a Senior Engineer, you will join a collaborative, high-impact team where you’ll help shape and deliver cutting-edge solutions. This role gives you the chance to design and build cloud-native platforms that leverage AI, automation, and modern architectures at scale.

Beyond coding, you’ll have a strong voice in product direction, architectural strategy, and fostering an engineering culture rooted in best practices. If you enjoy creating clean, reliable software while working closely with other skilled engineers, this is an opportunity to make a meaningful impact.

Skills & experience we are looking for:

Tech Stack Expertise - Skilled in TypeScript (Node.js mainly but also React, this role is more focussed on the backend) & Cloud technologies such as AWS. Familiarity of Kubernetes, GraphQL, Kafka, and Mongo would be desirable.

Architecture & Problem-Solving - You have the ability to design systems that manage high traffic efficiently while integrating smoothly into complex environments.

Tooling & Collaboration - Comfortable using Git, Confluence, Jira, and modern engineering workflows to streamline development.

Mentorship - Actively mentors junior engineers, providing guidance, reviewing designs, and maintaining best practices.

API’s - Deep knowledge of building and scaling resilient APIs (REST and GraphQL)

Benefits:

Work abroad for up to 8 weeks per year

10% discretionary bonus

25 days holiday + increases with tenure

6% employer pension contribution

Private medical insurance & dental insurance

Life assurance (4x salary)

Income protection plan (75% of base salary)

Working pattern: This role requires 2 days per week onsite in Central London, the other 3 days are WFH.

If you’re an experienced developer looking to drive innovation and mentor a high-performing team, apply today or send your CV to .

Please note: My client cannot offer sponsorship and can only accept candidates with the right to work in the UK.

Senior Software Engineer Node TypeScript React APIs Greenfield AWS Microservices £90,000-£95,000 + 10% Discretionary Bonus + Benefits

RSG Plc is acting as an Employment Agency in relation to this vacancy.

Senior Full Stack & AI Automation Engineer

Senior Full Stack & AI Automation Engineer - London

Rate: £500 - £530 per day

Duration: 1 year contract

3 days onsite per week in London office (Battersea)

As a key member of the Automation Team, you’ll design and build next-generation automation platforms, blending Python, React, Postgres, and modern DevOps practices with cutting-edge AI/ML techniques such as RAG, vector databases, and multi-agent systems.

You’ll work across the full software lifecycle: from system design and test automation, to deployment and performance monitoring, collaborating with some of the brightest minds in the industry.

What You’ll Work On

Designing and developing automation solutions aligned with Apple’s product requirements.

Building agentic AI/ML systems (MCP servers/clients, RAG pipelines, vector DBs).

Developing both front-end (React, JS) and back-end (Python, APIs, Postgres) features.

Driving test automation with Selenium and iOS functional frameworks.

Implementing CI/CD pipelines (Jenkins), ensuring high-quality releases.

Partnering with cross-functional teams, reporting on sprint progress, and demoing new features.

What We’re Looking For:

10+ years building operational support systems and automation in Python.

Proven leadership in code reviews and mentoring.

Hands-on experience with Selenium and iOS functional automation.

Strong React/JavaScript UI development background.

Back-end engineering with Python + Postgres.

AI/ML expertise in LLMs, embeddings, and RAG systems.

Experience with ETL pipelines, vector databases, and modern DevOps (Jenkins).

Bonus points for:

Multi-agent system design.

Graph database experience.

Familiarity with Charles Proxy, Git, Jenkins.

Role Details

Location: London (3 days onsite per week)

Engagement: Contract - Inside IR35

Environment: Agile/Scrum, cross-functional, highly collaborative

Rates depend on experience and client requirements

Microsoft Power Platform Developer

FDM is a global business and technology consultancy seeking a Microsoft Power Platform Developer to work for our client within the health services sector. This is initially a 6-month contract with the potential to extend and will be a hybrid role based in London.

Our client is looking for a Microsoft Power Platform Developer to join their Group Functions. You will build solutions leveraging Microsoft viva connections & SharePoint to improve employee experience. You’ll be using SPFx, Viva Connections, M365 Suits, Co-pilot, Microsoft PowerApps, Power Pages and SharePoint sites, providing first line support and working in alignment to the architectural principles. You will also be part of the colleague digital experience Product team, enabling a spirit of continuous improvement within and across the team and product.

Responsibilities

Translate business requirements in the user story into scalable, working solutions within Microsoft Power Platform/D365 ensuring the acceptance criteria are met

Enable a spirit of continuous improvement within and across the team and product

Produce clean, efficient code based on specifications and in-line with Enterprise Standards

Integrate software components and third-party programs while building and designing applications suitable to business needs

Verify and deploy programs and systems while automating repetitive tasks

Troubleshoot, debug and upgrade existing software, ensuring compliance with internal and external regulations

Create technical documentation for reference and reporting

Collaborate with analysts, end to end users and IT to gather requirements

Manage data across systems such as SharePoint, Microsoft Dataverse, ensuring consistency and flow

Requirements

Minimum of 4 years’ experience as a Microsoft Power Platform Developer

Strong expertise with Power Platform, Power Apps, Power BI, Power Automate and Dataverse, SPFx

Experienced in working with Microsoft Co-pilot Studio

Experience with ALM Accelerator for Power Platform

Excellent stakeholder management and relationship building skills

Background in developing with C#, .NET, Web Services, Web Forms, MVC, JavaScript, jQuery, CSS, HTML, React, Web APIs and Visual Studio, API integrations

Skilled in creating interface definitions

Exposure to working with Agile development framework

Experience with software design and development in a test-driven environment

Why join us

Career coaching, mentoring and access to upskilling throughout your entire FDM career

Assignments with global companies and opportunities to work abroad

Opportunity to re-skill and up-skill into new areas, develop non-linear career paths and build a skillset within your field

Annual leave and work-place pension

About FDM

We are a business and technology consultancy and one of the UK’s leading employers, recruiting the brightest talent to become the innovators of tomorrow. We have centres across Europe, North America and Asia-Pacific, and a global workforce of over 2,500 employees. FDM has shown exponential growth throughout the years, firmly establishing itself as an award-winning employer and is listed on the FTSE4Good Index.

Diversity and Inclusion

FDM Group is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, colour, religion, sex, sexual orientation, national origin, age, disability, veteran status or any other status protected by federal, provincial or local laws.

Full-Stack Developer - Python

Clear IT Recruitment Limited

Our client, a professional services organisation is recruiting a Full-Stack Developer/Python Developer to join their Digital Transformation team in London.

This is a fantastic opportunity to contribute to innovative products that are transforming the way finance and accounting professionals work, automating repetitive tasks, and enabling teams to focus on data-driven insights and analytics.

The role

You will work in a small, collaborative team with significant autonomy and the chance to take ownership of technical projects. You will contribute across the entire product stack, from frontend interfaces to backend APIs and analytics engines. Mentorship will be provided by experienced developers and data scientists, and the role offers strong potential for career progression as the team and product suite evolve.

Key responsibilities

• Collaborate with a small, high-performing development team, participating in code reviews and merge requests.

• Develop and maintain full-stack solutions, including:

o Frontend interfaces

o Backend API layers

o Data processing and analytics engines

• Lead projects independently from requirements gathering through to deployment.

• Mentor and support junior developers, fostering their technical growth.

• Solve complex challenges involving data, analytics, and presentation within financial and professional services contexts.

Skills, Knowledge & Expertise

• Minimum 3 years’ professional experience as a full-stack developer delivering robust, production-ready solutions.

• Proficiency in:

o Backend: Python, Django

o Frontend: JavaScript, React, Next.js

o Version control: Git

• Experience building data-intensive applications and managing complex backend logic, including integrations with external APIs.

• Strong ability to create responsive and accessible user interfaces across browsers and devices.

• Comfortable working independently and taking ownership of technical projects.

• Excellent analytical, problem-solving, and time management skills.

Bonus skills

• Experience deploying and managing applications with Azure and Docker.

• Familiarity with frameworks like LangChain and Retrieval-Augmented Generation (RAG) models for AI-driven applications.

• Experience with pandas for data manipulation.

What’s on offer

• Regular salary reviews recognising performance and contribution.

• Generous annual leave: 25 days plus three days over Christmas.

• Flexible hybrid working to support work-life balance.

• Comprehensive wellbeing support, including healthcare cash plan, employee assistance programmes, and mental health resources.

• Professional development opportunities and support for subscriptions/courses.

• Inclusive and diverse workplace culture committed to equity and flexibility.

Should you have any questions or wish to apply please do not hesitate to contact Clear Legal and Financial Recruitment.

Please Note: Due to the number of applications we receive we may be unable to respond to every application directly. If you have not heard from us within 3 working days, please assume your application has been unsuccessful.

Founding Software Platform Engineer Python Cloud

Harnham - Data & Analytics Recruitment

Founding Software / Platform Engineer

Stealth Fintech (London / Hybrid)

Up to £150,000 + Equity

I’m working with a stealth-mode startup that’s building a GPU-backed trading platform, with the goal of making GPU trading efficient and unlocking price discovery in a completely new market. With strong interest from SF venture capitalists and a seed round expected to close next month, this is the chance to join at the most exciting stage of the journey.

The founding team already includes world-class talent from MIT, Caltech, Harvard, Citadel, and Meta. They’re now looking for a Founding Engineer with pedigree from top-tier tech or fintech companies, someone who can both lead and build, and who will play a visible role in fundraising as proof of the company’s ability to attract exceptional talent.

Why this role?

Impact: Shape the architecture and scale of a trading platform in a completely new asset class.

Visibility: Be part of the fundraising pitch and future public face of the company.

Ownership: Drive technical decision-making across backend, infrastructure, and deployment.

Growth: Join a team of proven founders with deep technical and financial expertise.

What you’ll be doing:

Building and scaling a complex trading platform from the ground up.

Improving and expanding cloud deployment processes (currently GCP).

Leading on backend engineering in Python, with PostgreSQL for data storage.

Expanding Terraform usage across deployments and managing Kubernetes clusters.

Collaborating with the founding team on data acquisition, frontend, and platform scaling.

What they’re looking for:

Strong experience from a recognisable tech scale-up or fintech (e.g., Revolut, Spotify, Bloomberg, etc.).

Track record of building complex systems - either in financial services, B2B SaaS, or other data-heavy domains.

Hands-on with Python, Terraform, Kubernetes, and cloud (GCP preferred).

Understanding of markets, trading systems, or brokerage platforms (Bloomberg, commodities, etc.) would be a big plus.

Someone equally comfortable building as they are leading - you’ll be in the trenches but also shaping the vision.

Tech stack:

GCP Python PostgreSQL Kubernetes Terraform React Typescript

What’s on offer:

Founding-level equity + salary.

A central role in the fundraising journey and future company growth.

Work alongside some of the brightest minds in finance, AI, and engineering.

The chance to define an entirely new market.

Full Stack Developer - Family Events Startup

London (Hybrid: 3 days in Euston office, 2 days remote) Competitive Pay & Great Benefits

Our client is on a mission to make family life easier. They connect parents with trusted organisers, from local clubs to major venues, helping them discover and book amazing activities for their children.

They’re a growing London-based startup building a marketplace that’s simple, intuitive, and impactful - and they’d love for you to help shape it.

The Full Stack Developer Role:

We’re looking for a Full Stack Developer with solid JavaScript expertise and a modern mindset to join a small, collaborative team. You’ll work on meaningful features that families and organisers use every day, while growing your skills and having a real voice in how to evolve the product.

This is a hybrid role - 3 days in their Euston office and 2 days remote - giving you the best of both collaboration and flexibility.

What’s on Offer?

Competitive salary

Hybrid working model

Mentorship and growth opportunities

Extra day of paid leave each year with us

Gym membership

Key Responsibilities of the Full Stack Developer:

Plan and build new features with care and precision

Write clean, maintainable code that follows best practices

Deliver high-quality solutions on time

Collaborate with the team and share creative ideas

Contribute to shaping the future of a fast-growing product

What You’ll Bring:

4+ years’ full stack development experience

2+ years’ production experience with Node.js and React

Strong JavaScript/TypeScript skills

Experience with REST APIs, MySQL, and Git

Familiarity with Tailwind CSS, Next.js, Express.js, MongoDB, and AWS/GCP

Who You Are:

Motivated by impact and ownership

Committed to quality and detail

Curious and proactive in learning

Open to feedback and growth

Collaborative, creative, and supportive

Their Tech Stack:

Frontend: React, Next.js, TypeScript, Tailwind CSS

Backend: Node.js, Express, REST APIs

Databases: MySQL, MongoDB

Other: Git, AWS/GCP basics

Ready to Apply?

If you’re excited to use your skills to help families discover the best activities for their kids, we’d love to hear from you.

Apply now for this brand-new Full Stack Developer position and help to build something meaningful!

Founding Software Engineer React and Node

Harnham - Data & Analytics Recruitment

Up to £80,000 + Equity

I’m working with an ambitious early-stage startup on the hunt for a Founding Engineer to join their core team. This is a rare chance to come in at the ground floor of a venture-backed company that’s already secured early traction and industry partnerships.

They’ve recently launched their MVP, which is already in the hands of customers, and now they’re looking for a talented builder who’s excited to take ownership of the technical vision, architecture, and scaling of the platform.

Why this role?

Impact: You’ll be shaping the product and the company itself, not just the codebase.

Ownership: Full control of the tech stack, from infrastructure through to architecture.

Growth: Co-founder level equity alongside salary.

Mission: Building tech that transforms how Investor Relations teams operate in alternative asset management.

What they’re looking for:

4+ years’ experience as a full-stack engineer in a fast-paced environment.

Hands-on with Next.js, Typescript (React/Node), Tailwind, SQL (Prisma), and Azure.

Bonus points for experience with: LLM APIs (OpenAI, Anthropic), Retrieval Augmented Generation pipelines, Python, serverless architecture, or Microsoft Office Add-ins.

Strong product mindset and passion for building. You may have tried a startup yourself or hacked together side projects just because you couldn’t resist.

Someone who thrives on execution, delivery, and efficiency (familiarity with AI-assisted coding like Copilot is a plus).

What’s on offer:

Co-founder equity + salary package.

The chance to truly own and shape the product roadmap and tech vision.

Work alongside a small but experienced founding team with deep industry ties and a clear distribution path.

This is a role for someone who’s excited by building from scratch, scaling quickly, and solving real-world problems with cutting-edge tech. If you’re looking to put your stamp on a venture where your decisions genuinely shape the future - this is it.

Full Stack Developer - Active SC, Java, Spingboot, React

Hays Specialist Recruitment Limited

Up to £550 per day (Inside IR35)

London / Remote

3 months initially

My client is an instantly recognisable Consultancy who urgently requires a Lead Full Stack Developer to join a business-critical programme.

Key Requirements:

Proven experience working as a Full Stack Developer, with Active Security Clearance (SC)

Expertise in a range of technologies, including Java (8, 11, 17+), Spring / Springboot, React / HTML

AWS Cloud Service experience

Working experience with MySQL

Nice to have:

Technical hands on experience with Terraform / Kibana / Apache Camel

Linux in a containerised environment

Immediate availability

If interested, with relevant experience, please apply with your latest CV ASAP.

Hays Specialist Recruitment 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 the T&C’s, Privacy Policy and Disclaimers which can be found at hays.co.uk

Full Stack Engineer Gen AI Focus

**Full Stack Engineer (Gen AI Focus)**Hybrid working - London Start ASAP Contract Inside IR35

Our client is seeking to hire a Senior Full Stack Engineer to join their Automation Team, focusing on Gen AI solution building and automation. This is a senior, hands-on role where you’ll design, build and optimise both back-end and front-end systems, contributing to cutting-edge AI initiatives across multiple projects.

Key Responsibilities:

Design, develop and maintain server-side logic using Python and manage APIs for integration with third-party services.

Develop front-end interfaces using JavaScript and frameworks such as React.

Build and deploy Agentic systems and Retrieval-Augmented Generation (RAG) systems with Large Language Models (LLMs).

Participate in privacy automation programs, including workflows for user approvals and reviews.

Implement and maintain CI/CD pipelines in Jenkins to streamline development.

Collaborate with cross-functional teams to design solutions, prioritise tasks and ensure delivery across multiple Gen AI initiatives.

Participate in Scrum ceremonies, sprint reviews and planning sessions, contributing to multiple initiatives simultaneously.

Key Qualifications:

Experience designing and developing operational support systems and automation solutions in Python.

Experience leading code reviews and ensuring quality in team deliverables.

Strong back-end development experience, with a focus on AML, data integrity and scalable solutions.

Experience with front-end development (React/JavaScript) and DevOps/maintenance tasks.

Proficiency in building Agentic systems and multi-agent architectures.

ETL and data management experience (Postgres, BigQuery, Azure, Snowflake).

Ability to design solutions, validate requirements and anticipate risks independently.

Experience coordinating with multiple engineering and product teams.

Preferred Qualifications:

Experience in graph databases and advanced AI frameworks.

Previous exposure to Agentic systems and chains.

Experience automating data analytics and reporting across multiple systems.

Why Join:

You will work on high-impact Gen AI projects, including privacy automation, workflow optimisation and agentic systems. This is a chance to work closely with product and engineering leaders, shaping solutions at the forefront of AI innovation.

Full Stack Engineer AI/ML, Python, Agentic

Full Stack Engineer (AI/ML, Python, Agentic) - Global Tech Company - London

Day rate: £500 - £700 (inside IR35)

Duration: 12 months

Hybrid: 3 days per week

Start: ASAP

My exciting new client is looking for a Full Stack Engineer with AI/ML and Python experience. Hybrid working 3 days per week in the London office.

Key Qualifications:

10+ years designing and developing operational support systems and automation solutions in Python, 5+ years leading reviews and ensuring quality in others’ work.

Hands-on experience with Selenium, and iOS functional automation.

Experience with testing activities across the entire lifecycle of the project from inception to delivery.

Front-End Development:

Design and implement user interfaces using JavaScript, and frameworks such as React.

Back-End Development:

Develop and maintain server-side logic using Python.

Manage APIs and integrate third-party services and tools.

Ensure application data integrity and security by designing and managing databases in Postgres.

AI/ML Expertise:

Build and deploy Agentic systems, MCP servers/clients, and Retrieval-Augmented Generation (RAG) systems with Large Language Models (LLMs).

Extract, transform, and load (ETL) data to build vector databases with embedding models.

DevOps and Maintenance:

Implement CI/CD pipelines to streamline development workflows in Jenkins.

Monitor application performance and troubleshoot issues to maintain reliability and availability.

Preferred Qualifications:

Experience with building multi-agent systems and understanding of multi-agent design patterns.

Graph database knowledge is a plus.

Proficient with tools such as Charles, Git, and Jenkins.

Automate data analytics and reporting across multiple systems.

Strong understanding of software build tools and CI/CD integrations

Lead coordination with multiple Engineering and Product teams to expedite issue prioritization and resolution.

Create detailed test reports documenting progress, status, test plan completion, identified defects, and associated risks.

Responsibilities:

As part of the Automation Team, you will independently design and develop automation solutions in line with requirements provided by the Product team.

Stay up to date with AI/ML trends across the industry and within to inform and influence design decisions.

Develop test strategies, plans, cases, and scripts for both existing functionality and new features.

Contribute to multiple initiatives, balancing new feature development with documentation and on-time delivery.

Communicate status and progress in a timely manner, including sprint review reports, presentations, and planning demos for new features and MVPs.

Participate in Scrum ceremonies and cross-functional meetings to strengthen collaboration within and across teams.

Rates depend on experience and client requirements

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