Job Tittle: Full Stack Developer - UI/React (Scala) Contract Length: 12 Months Location: Bromley (3 Days a Week Onsite) Working Pattern: Full Time (40 Hours per Week) Rate: Highly competitive rate available for suitable candidates Are you a passionate Full Stack Developer looking for an exciting opportunity to make a real impact? Join our client's dynamic team and … user-centric design! We are on the lookout for a talented individual who thrives in an Agile environment and has a flair for developing web-based UI solutions using React JS and Scala. Project Overview: You will be working on a cutting-edge React web application that functions as both a platform and an application. Your contributions will help enhance … core library consistency across products and tackle a significant backlog of development on the UI/React side. Get ready to dive into the fascinating world of self-generative AI, complex data management, and data visualisation supporting global markets! What You'll Do: Collaborate within a feature team to provide Operations Users with effective Workflow and Work Management for Trade More ❯
a Mid-Senior Front-End Developer to join our clients' dynamic engineering team, building user-centric web applications that scale to thousands of customers. You will work primarily with React , TypeScript, and modern front-end technologies to deliver responsive, performant, and accessible interfaces. Collaborating closely with designers, backend engineers, and product managers, you’ll turn complex requirements into intuitive, polished … As a senior contributor, you will influence the front-end architecture, enforce best practices, and ensure high code quality across the team. The ideal candidate has professional experience with React, TypeScript, and modern JavaScript frameworks , along with a strong understanding of component-based architecture, state management (e.g., Redux, Zustand, or Recoil), and front-end performance optimization. Experience with RESTful APIs … GraphQL, and testing frameworks (Jest, React Testing Library, Cypress) is highly desirable. You should be comfortable mentoring junior engineers, conducting code reviews, and helping the team adopt scalable, maintainable practices. This role offers an exciting opportunity to own the front-end experience in a fast-paced, innovative product environment. Requirements & Qualifications 4+ years of professional front-end development experience, with More ❯
a Mid-Senior Front-End Developer to join our clients' dynamic engineering team, building user-centric web applications that scale to thousands of customers. You will work primarily with React , TypeScript, and modern front-end technologies to deliver responsive, performant, and accessible interfaces. Collaborating closely with designers, backend engineers, and product managers, you’ll turn complex requirements into intuitive, polished … As a senior contributor, you will influence the front-end architecture, enforce best practices, and ensure high code quality across the team. The ideal candidate has professional experience with React, TypeScript, and modern JavaScript frameworks , along with a strong understanding of component-based architecture, state management (e.g., Redux, Zustand, or Recoil), and front-end performance optimization. Experience with RESTful APIs … GraphQL, and testing frameworks (Jest, React Testing Library, Cypress) is highly desirable. You should be comfortable mentoring junior engineers, conducting code reviews, and helping the team adopt scalable, maintainable practices. This role offers an exciting opportunity to own the front-end experience in a fast-paced, innovative product environment. Requirements & Qualifications 4+ years of professional front-end development experience, with More ❯
planning and architecting, to implementation and testing, to code review and maintenance. Requirements 4+ years experience as a software engineer Ability to make senior level contributions writing in TypeScript React PostgreSQL Bonus points for experience in high velocity and technically challenging roles Our tech stack Frontend: React Typescript GraphQL (Apollo Client) Playwright Jest Storybook + Chromatic Mantine GCP (Cloud Run More ❯
and scale backend systems powering payments, returns, personalisation, and more. Lead API-first development , data modelling, and performance optimisation. Build reliable systems in TypeScript , working across the stack with React on the frontend. Own deep integrations with Shopify APIs and third-party services (not just theme edits). Collaborate closely with product and design in a lean, high-impact team. … Embrace automation and AI tooling to accelerate delivery and maintain quality. Tech Stack Languages: TypeScript (core), Python/Ruby (data flows) Frontend: React (preferred), Node.js welcome Infrastructure: AWS Databases: RDBMS (essential), Neo4j (nice-to-have) Integrations: Shopify APIs, payment gateways, fraud tools You’ll Thrive Here If You... Have strong backend engineering fundamentals (schema design, query optimisation, scalable architectures). … scale. Interview Process 30-min culture & tech fit conversation 60–90 min technical scenario interview (no whiteboarding) Offer Ideal for senior full stack or backend engineers with TypeScript/React/AWS experience who want to shape architecture at a growing, product-led company. More ❯
and scale backend systems powering payments, returns, personalisation, and more. Lead API-first development , data modelling, and performance optimisation. Build reliable systems in TypeScript , working across the stack with React on the frontend. Own deep integrations with Shopify APIs and third-party services (not just theme edits). Collaborate closely with product and design in a lean, high-impact team. … Embrace automation and AI tooling to accelerate delivery and maintain quality. Tech Stack Languages: TypeScript (core), Python/Ruby (data flows) Frontend: React (preferred), Node.js welcome Infrastructure: AWS Databases: RDBMS (essential), Neo4j (nice-to-have) Integrations: Shopify APIs, payment gateways, fraud tools You’ll Thrive Here If You... Have strong backend engineering fundamentals (schema design, query optimisation, scalable architectures). … scale. Interview Process 30-min culture & tech fit conversation 60–90 min technical scenario interview (no whiteboarding) Offer Ideal for senior full stack or backend engineers with TypeScript/React/AWS experience who want to shape architecture at a growing, product-led company. More ❯
and scale backend systems powering payments, returns, personalisation, and more. Lead API-first development , data modelling, and performance optimisation. Build reliable systems in TypeScript , working across the stack with React on the frontend. Own deep integrations with Shopify APIs and third-party services (not just theme edits). Collaborate closely with product and design in a lean, high-impact team. … Embrace automation and AI tooling to accelerate delivery and maintain quality. Tech Stack Languages: TypeScript (core), Python/Ruby (data flows) Frontend: React (preferred), Node.js welcome Infrastructure: AWS Databases: RDBMS (essential), Neo4j (nice-to-have) Integrations: Shopify APIs, payment gateways, fraud tools You’ll Thrive Here If You... Have strong backend engineering fundamentals (schema design, query optimisation, scalable architectures). … scale. Interview Process 30-min culture & tech fit conversation 60–90 min technical scenario interview (no whiteboarding) Offer Ideal for senior full stack or backend engineers with TypeScript/React/AWS experience who want to shape architecture at a growing, product-led company. More ❯
london (city of london), south east england, united kingdom
Urban Digital Recruitment Ltd
and scale backend systems powering payments, returns, personalisation, and more. Lead API-first development , data modelling, and performance optimisation. Build reliable systems in TypeScript , working across the stack with React on the frontend. Own deep integrations with Shopify APIs and third-party services (not just theme edits). Collaborate closely with product and design in a lean, high-impact team. … Embrace automation and AI tooling to accelerate delivery and maintain quality. Tech Stack Languages: TypeScript (core), Python/Ruby (data flows) Frontend: React (preferred), Node.js welcome Infrastructure: AWS Databases: RDBMS (essential), Neo4j (nice-to-have) Integrations: Shopify APIs, payment gateways, fraud tools You’ll Thrive Here If You... Have strong backend engineering fundamentals (schema design, query optimisation, scalable architectures). … scale. Interview Process 30-min culture & tech fit conversation 60–90 min technical scenario interview (no whiteboarding) Offer Ideal for senior full stack or backend engineers with TypeScript/React/AWS experience who want to shape architecture at a growing, product-led company. More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Owen Thomas | Pending B Corp™
Country-wide data tools through large-scale scraping + mapping -> Hardware integrations (e.g. bluetooth laser measures, sensors) -> Offline-first/PWA apps for installers on the move Tech Stack: -> React, TypeScript, Konva, Tailwind -> Node.js, PostGREST, Prisma -> PostgreSQL/PostGIS, Docker, Atlas -> (Sunsetting Python + FastAPI) Requirements for Carbon Emission/Green Tech Start-up | Full Stack Engineer | LDN 2 Days … Per Week | £50K - £110K + Healthy Equity -> 2+ years commercial experience -> STEM Background -> React + TypeScript (you’re confident building fast, dynamic UIs) -> SQL and relational database design -> RESTful APIs and distributed systems -> Scalable and secure architectures -> Owning features end-to-end, from shaping the product idea to shipping the code. Type of engineer for Carbon Emission/Green Tech More ❯
Country-wide data tools through large-scale scraping + mapping -> Hardware integrations (e.g. bluetooth laser measures, sensors) -> Offline-first/PWA apps for installers on the move Tech Stack: -> React, TypeScript, Konva, Tailwind -> Node.js, PostGREST, Prisma -> PostgreSQL/PostGIS, Docker, Atlas -> (Sunsetting Python + FastAPI) Requirements for Carbon Emission/Green Tech Start-up | Full Stack Engineer | LDN 2 Days … Per Week | £50K - £110K + Healthy Equity -> 2+ years commercial experience -> STEM Background -> React + TypeScript (you’re confident building fast, dynamic UIs) -> SQL and relational database design -> RESTful APIs and distributed systems -> Scalable and secure architectures -> Owning features end-to-end, from shaping the product idea to shipping the code. Type of engineer for Carbon Emission/Green Tech More ❯
london, south east england, united kingdom Hybrid / WFH Options
Owen Thomas | Pending B Corp™
Country-wide data tools through large-scale scraping + mapping -> Hardware integrations (e.g. bluetooth laser measures, sensors) -> Offline-first/PWA apps for installers on the move Tech Stack: -> React, TypeScript, Konva, Tailwind -> Node.js, PostGREST, Prisma -> PostgreSQL/PostGIS, Docker, Atlas -> (Sunsetting Python + FastAPI) Requirements for Carbon Emission/Green Tech Start-up | Full Stack Engineer | LDN 2 Days … Per Week | £50K - £110K + Healthy Equity -> 2+ years commercial experience -> STEM Background -> React + TypeScript (you’re confident building fast, dynamic UIs) -> SQL and relational database design -> RESTful APIs and distributed systems -> Scalable and secure architectures -> Owning features end-to-end, from shaping the product idea to shipping the code. Type of engineer for Carbon Emission/Green Tech More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Owen Thomas | Pending B Corp™
Country-wide data tools through large-scale scraping + mapping -> Hardware integrations (e.g. bluetooth laser measures, sensors) -> Offline-first/PWA apps for installers on the move Tech Stack: -> React, TypeScript, Konva, Tailwind -> Node.js, PostGREST, Prisma -> PostgreSQL/PostGIS, Docker, Atlas -> (Sunsetting Python + FastAPI) Requirements for Carbon Emission/Green Tech Start-up | Full Stack Engineer | LDN 2 Days … Per Week | £50K - £110K + Healthy Equity -> 2+ years commercial experience -> STEM Background -> React + TypeScript (you’re confident building fast, dynamic UIs) -> SQL and relational database design -> RESTful APIs and distributed systems -> Scalable and secure architectures -> Owning features end-to-end, from shaping the product idea to shipping the code. Type of engineer for Carbon Emission/Green Tech More ❯
Founding Software Engineer - AI Startup - Up to £150k 📍 London, Hybrid, 3 days in office 💰 £100–150k + generous equity 💻 Python, TypeScript, React + AI/ML toolings I'm working with a high-calibre, VC-backed startup that's building the infrastructure layer for intelligent human-AI collaboration, especially within regulated and high-complexity industries. They’ve assembled a world … looking for an exceptional Founding Engineer to help build their core platform. ✅ Ideal profile: 5+ years engineering experience (startup background preferred) Strong backend & full-stack skills (Python, Django, TypeScript, React) Hands on builder with high autonomy and bias to action Bonus: experience with LLMs, cloud infra, CI/CD, or academic/OSS projects 🧠 Why this role: Huge ownership in More ❯
Founding Software Engineer - AI Startup - Up to £150k 📍 London, Hybrid, 3 days in office 💰 £100–150k + generous equity 💻 Python, TypeScript, React + AI/ML toolings I'm working with a high-calibre, VC-backed startup that's building the infrastructure layer for intelligent human-AI collaboration, especially within regulated and high-complexity industries. They’ve assembled a world … looking for an exceptional Founding Engineer to help build their core platform. ✅ Ideal profile: 5+ years engineering experience (startup background preferred) Strong backend & full-stack skills (Python, Django, TypeScript, React) Hands on builder with high autonomy and bias to action Bonus: experience with LLMs, cloud infra, CI/CD, or academic/OSS projects 🧠 Why this role: Huge ownership in More ❯
Graduate Software Engineer - JavaScript/React/Node | £40–50K | Camden (Hybrid) Join a VC-backed AI SaaS startup that's helping chemical and cosmetics companies launch products globally - solving complex regulatory problems through software. They've raised £3M seed, hit £500K+ in revenue, and are building an all-star team of devs from top UK universities. You’ll work … Have a 1st class degree from Imperial, UCL, Cambridge, Oxford, Durham, Bath, etc. Have a passion for building (show us your GitHub or side projects!) Are confident with JavaScript, React, Next.js, Tailwind, Node.js Care about clean code, thoughtful UX, and solving problems end to end Are London-based and up for 3 days/week in our Camden office (Mon More ❯
Graduate Software Engineer - JavaScript/React/Node | £40–50K | Camden (Hybrid) Join a VC-backed AI SaaS startup that's helping chemical and cosmetics companies launch products globally - solving complex regulatory problems through software. They've raised £3M seed, hit £500K+ in revenue, and are building an all-star team of devs from top UK universities. You’ll work … Have a 1st class degree from Imperial, UCL, Cambridge, Oxford, Durham, Bath, etc. Have a passion for building (show us your GitHub or side projects!) Are confident with JavaScript, React, Next.js, Tailwind, Node.js Care about clean code, thoughtful UX, and solving problems end to end Are London-based and up for 3 days/week in our Camden office (Mon More ❯
Graduate Software Engineer - JavaScript/React/Node | £40–50K | Camden (Hybrid) Join a VC-backed AI SaaS startup that's helping chemical and cosmetics companies launch products globally - solving complex regulatory problems through software. They've raised £3M seed, hit £500K+ in revenue, and are building an all-star team of devs from top UK universities. You’ll work … Have a 1st class degree from Imperial, UCL, Cambridge, Oxford, Durham, Bath, etc. Have a passion for building (show us your GitHub or side projects!) Are confident with JavaScript, React, Next.js, Tailwind, Node.js Care about clean code, thoughtful UX, and solving problems end to end Are London-based and up for 3 days/week in our Camden office (Mon More ❯
london (city of london), south east england, united kingdom
Spinks
Graduate Software Engineer - JavaScript/React/Node | £40–50K | Camden (Hybrid) Join a VC-backed AI SaaS startup that's helping chemical and cosmetics companies launch products globally - solving complex regulatory problems through software. They've raised £3M seed, hit £500K+ in revenue, and are building an all-star team of devs from top UK universities. You’ll work … Have a 1st class degree from Imperial, UCL, Cambridge, Oxford, Durham, Bath, etc. Have a passion for building (show us your GitHub or side projects!) Are confident with JavaScript, React, Next.js, Tailwind, Node.js Care about clean code, thoughtful UX, and solving problems end to end Are London-based and up for 3 days/week in our Camden office (Mon More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Staff Software Engineer/Developer (Java Kotlin AWS React) Hybrid WFH to £110k Would you like to progress your career in an impactful hands-on Software Engineer role working on Tech for Good? You could be joining a HealthTech Start-up, founded by two highly successful, Cambridge University educated management consultants, that is aiming to improve patient and social care … CTO on the overall design and architecture of the products' tech stack, working on Greenfield applications. The tech stack is based on Kotlin, SpringBoot and AWS backend with TypeScript, React and Next.js on the front end. You'll be hands-on with architecture, design and coding, including complex business logic, authentication and security aspects, working across the full tech stack … excellent progression opportunities Opportunity to work on tech for good to positively benefits society Apply now to find out more about this Staff Software Engineer/Developer (Kotlin AWS React) 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 More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Computer Futures
TOIL system for true balance? Career Progression - Regular sessions with a dedicated career coach? Learning & Development - 5 paid training days annually? Tech Growth - Hands-on with Java, AWS, DevOps, React.js? Collaborative Culture - Join a close-knit, supportive team? Competitive Salary - Up to £80,000 DOE Why Join? This company is scaling fast to meet demand from an ever-growing customer … supported from day one. Offices are available if you prefer a hybrid option-but remote is the default. What We're Looking For Core Skills: Java, Spring Boot, AWS, React.js Bonus Points: Public Sector or Consultancy experience Eligibility: SC Clearable (British Citizen, UK residency for 5+ years) Ready to make your next move the best one yet? Apply today and More ❯
East London, London, England, United Kingdom Hybrid / WFH Options
Ncounter
just as important as technical expertise; they want someone collaborative and personable who will strengthen the team culture. You’ll be joining the Web Engineering group, which works across React and C#, and the role sits within a developer-in-test model that blends QAs and developers. The team is made up of juniors through to a team lead, with … portfolio Must-have skills Strong coding skills in C# or TypeScript Experience with at least one framework: Playwright or Selenium Ability to read and work with full-stack code (React/C#) Understanding of automation within a developer-in-test environment Clear, collaborative communication style Nice to have Knowledge of DevOps practices and CI/CD pipelines Broader test automation More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Bloc Recruitment
Senior FE Engineer (Remote UK & Europe) React, TypeScript, GraphQL Salary up to £95k + Benefits Are you passionate about crafting beautifully engineered, maintainable systems — and helping others do the same? We're looking for a Senior Software Engineer to join a fast-growing, product-led tech company that's redefining how engineering teams deliver value through smarter insights and modern … foster a culture of technical excellence and growth Continuously improve delivery processes using cutting-edge AI tools 👀 About You 5–7 years in commercial software development Strong experience with React , TypeScript , and/or GraphQL (backend skills in Node.js , Python , or Go a plus) Comfortable designing and contributing to design systems and component libraries Familiar with microfrontend principles and modular More ❯
East London, London, United Kingdom Hybrid / WFH Options
Client Server
CTO on the overall design and architecture of the products' tech stack, working on Greenfield applications. The tech stack is based on Kotlin, SpringBoot and AWS backend with TypeScript, React and Next.js on the front end. You'll be hands-on with architecture, design and coding, including complex business logic, authentication and security aspects, working across the full tech stack … excellent progression opportunities Opportunity to work on tech for good to positively benefits society Apply now to find out more about this Staff Software Engineer/Developer (Kotlin AWS React) 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 More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
CTO on the overall design and architecture of the products' tech stack, working on Greenfield applications. The tech stack is based on Kotlin, SpringBoot and AWS backend with TypeScript, React and Next.js on the front end. You'll be hands-on with architecture, design and coding, including complex business logic, authentication and security aspects, working across the full tech stack … progression opportunities Opportunity to work on tech for good to positively benefits society Apply now to find out more about this Backend Software Engineer/Developer (Java Kotlin AWS React) 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 More ❯
systems by migrating infrastructure to AWS and Snowflake, improving scalability and maintainability. Develop solutions using C#, Python, SQL Server, and cloud-native tools, alongside modern UI frameworks such as React or Angular. Provide ongoing production support for mission-critical systems during trading hours and end-of-day processes. Work with senior developers to define best practices and implement components of … and database design expertise. Hands-on experience with AWS, Snowflake, and modern software architecture. Solid grasp of data structures, concurrency, and memory management. Experience developing responsive, performant UIs using React, Angular, or Vue.js; familiarity with PowerBI or other BI tools is a plus. Effective communicator capable of working directly with business users and senior stakeholders. Adaptable and collaborative mindset, thriving More ❯
