227,440+ Cloudnative Java React Engineer Jobs in UK — Top Companies Hiring July 2026

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FinTech Full Stack Developer (C#/.NET, TS) – Hybrid

A leading FinTech company in London is seeking a Full Stack Developer / Software Engineer. You will work with C# and TypeScript on their flagship trading product, with the opportunity for remote work and a competitive salary of up to £65k. The ideal candidate will have experience in backend development and famil ...

Senior Full Stack Engineer for Fusion Platform (AWS)

A leading market infrastructure provider in London is seeking a Senior Engineer to enhance their innovative Fusion Platform, building cutting-edge solutions alongside AWS. The role requires proficiency in Typescript, React, and AWS services, with a focus on both front-end and back-end development. Responsibiliti ...

Lead Frontend Engineer — Scalable, High Performance UIs

A leading travel technology firm seeks a Lead Software Engineer to drive the evolution of front-end systems and lead projects that serve millions of travelers. The ideal candidate will have over 12 years of software development experience, with proven expertise in client-side technologies such as JavaScript, Typ ...

Lead Frontend Architect — Climate Tech & Geospatial Viz

A climate-tech company in Cambridge is seeking a Lead Frontend Engineer to drive the transition to a micro-frontend architecture. You will work closely with the CTO and mentor a growing team. The ideal candidate has over 4 years in React and TypeScript, experience with complex data visualizations, and a solid ar ...

Senior Software Engineer — Healthtech Impact (Hybrid London)

A leading healthtech company is seeking a Senior Software Engineer to lead the development of software that enhances proactive healthcare solutions. You will work within a cross-functional squad to build high-quality applications that improve patient outcomes. Ideal candidates should have extensive experience in ...

Staff Software Engineer, Privacy & Data Security — Remote (Europe)

A leading security technology firm in London is seeking a Staff Software Engineer to drive technical initiatives and bolster its engineering team. You will manage large projects, design new product features, and mentor junior engineers in a rapidly scaling environment. The ideal candidate will have 10+ years of ...

Senior Frontend Engineer – AI Native UI High Impact Equity

Jack & Jill in London seeks a Senior Frontend Engineer to join an elite team focused on developing an AI-native data intelligence platform. You will design and deploy scalable frontend systems while collaborating closely with the design team to create high-quality user interfaces. The ideal candidate has experie ...

Full Stack JS Engineer Learning Budget & Flexible Hybrid

A leading educational platform in Greater London is seeking a talented Software Engineer to enhance user experience and develop strategic initiatives. The ideal candidate has strong expertise in JavaScript, React, Node.js, and AWS, along with the ability to work collaboratively in a cross-functional squad. This ...

Full Stack Engineer Build Safe Digital Futures (London)

Insider, Inc. is seeking a Full Stack Engineer in London to develop critical features for Voop's platform. You will work closely with the CTO on architectural decisions and feature development across multiple applications. The ideal candidate will have experience with React, Kotlin, and backend service ...

Founding Forward Deployed Engineer for AI Solutions

AI Chopping Block is seeking a Forward Deployed Engineer to lead the development of AI-powered software solutions. This role combines software engineering with direct customer interaction to create innovative products. The ideal candidate will have over 5 years of full-stack development experience, pro ...

Realtime AI UI Engineer

Ideagen is looking for an AI Experience Engineer to shape the Mazlan workspace interface where professionals interact with AI. This frontend-focused role requires creating user interactions with AI agents while ensuring responsive and structured output components. The ideal candidate will have experien ...

End to End Product Engineer, AI Tools for Research

SEEKR is hiring a product engineer in Greater London. The role demands ownership from discovery to delivery of web products. Ideal candidates possess strong React and TypeScript skills, and experience in startups is a plus. This hybrid position allows for office work on Tuesdays and Thursdays while emphasizin ...

Software Engineer, AI Adoption Platform

Cohere is seeking an engineer to join the Agents & Automations team working on North, an AI workspace platform. In this role, you will develop advanced features and autonomous agents while ensuring security and compliance with enterprise standards. The ideal candidate has experience in fullstack develo ...

Software Engineer – Build Global Tax Tech with Impact

Caribou is seeking an experienced Software Engineer in the United Kingdom to innovate and enhance its tax platform. In this role, you'll design and maintain customer-facing applications while collaborating with the tax team to drive efficiency and feature development. Candidates should have 2+ years of frontend ...

Founding Full Stack Engineer (Equity) – Remote, 15–20h/wk

Past Papers Plus is seeking a Founding Engineer to join their innovative team and take a live MVP to revenue. The role requires ownership of the full stack, including technologies like React, Supabase, and Vercel, with a focus on developing AI features. This position is equity-only until funding is sec ...

Frontend Engineer – UX‑First Dev Tools (Hybrid)

Workonomics is seeking a Frontend Engineer to join their London team, focusing on developing modern frontend applications that simplify complex operational data. You will collaborate closely with Product and Design to enhance user experience and performance. The ideal candidate should be strong in Type ...

Senior Frontend Engineer — Build AI First Consumer Platform

La Fosse Associates is seeking a Senior Front End Engineer in Liverpool, offering up to £75k. This role is pivotal in transforming a core consumer platform, with a modern, AI-first engineering approach, and gives you real influence over front-end architecture. You will lead front-end development, own d ...

Full Stack Software Engineer — Remote, Flexible PTO & Growth

A leading tech company in Birmingham is seeking a Software Engineer to build its messaging platform. In this full-time role, you will work across the stack with technologies like React/Next.js, Node, and TypeScript. Responsibilities include owning features end-to-end and collaborating closely with customers and ...

Staff Software Engineer, Product Engineering — Ownership & Impact

P2P is looking for an ambitious full-stack engineer in Oxford who is focused on solving customer problems and contributing to both product development and design decisions. You will work in a minimal-process environment that encourages ownership and collaboration, tackling complex projects, and using a modern te ...

On Site Senior .NET & Fullstack Engineer

Overview I am seeking a Senior/Lead-level .NET developer with strong architectural and DevOps awareness. I require solid experience in React (Next.js is a plus, but not essential). You must be comfortable working full-time on-site (this is non-negotiable). I am looking... Position ...

Lead .NET Developer On Site in Sheffield Avanti Recruitment

Overview I am seeking a Senior/Lead-level .NET developer with strong architectural and DevOps awareness. I require solid experience in React (Next.js is a plus, but not essential). You must be comfortable working full-time on-site (this is non-negotiable). I am looking... Position ...

Agentic AI Full Stack Engineer — Remote UK

Digital Waffle is seeking a Remote Full Stack Engineer (Agentic AI) based in the UK, offering a salary of up to £70,000 depending on experience. The role requires 4 to 7 years of engineering experience and is focused on developing agent architectures and integrating services. The ideal candidate will h ...

Full Stack AI Engineer for Scalable Legal Tech

Factor is looking for a Full Stack AI Engineer in Belfast to develop AI-powered tools for legal workflows. This hands-on role requires expertise in Python and FastAPI, aiming to enhance contract intelligence and document processing. The ideal candidate will have 3-5 years of software engineering experi ...

Full Stack Engineer AI Driven Cybersecurity, Equity

Jack & Jill is seeking a Full Stack Engineer to join Aisy.ai, a cybersecurity startup. In this role, you’ll develop an AI-driven platform for managing vulnerabilities, working directly with founder Shlomie Liberow. You will build features using Python and React while tackling complex technical challeng ...

Senior Full Stack Engineer Remote, Global Impact & Growth

A technology-driven company is seeking a Senior Full Stack Engineer to join their team. In this fully remote role, you will design and build features for their platform, optimize performance, and collaborate with a global engineering team. Ideal candidates have extensive experience with Node.js, React, and AWS. ...

Lead Software Engineer: Front Office & AI (Hybrid/London)

Saragossa, a credit-focused asset manager in Greater London, is seeking a software engineer to take technical ownership and drive AI exploration. In this hybrid role, you will lead projects that directly impact investment decisions using technologies like C#, Azure SQL, and React or Angular. The ideal ...

Senior Software Engineer AI Platforms (FinTech, London)

Infused Solutions in London is hiring a Software Engineer for a hybrid position, responsible for end-to-end delivery of production AI platforms. The ideal candidate will have 4-8 years of commercial experience and a strong focus on system reliability. Responsibilities include significant architectural ...

Staff Design Engineer — Shape Design Systems for Scale

Alumni Ventures is seeking design engineers in Cambridge, UK to work on challenging design problems and enhance in-house design systems. Roles range from Junior to Staff Design Engineer, requiring skills in UI/UX and proficiency in TypeScript and React.Benefits include a competitive salary of £138K – £ ...

Staff Design Engineer: Shape a Scalable Design System

Job Search Place Limited is looking for a Design Engineer to tackle complex design issues and improve products through a robust design system. Responsibilities include redesigning web applications and enhancing UI/UX based on user feedback.Ideal candidates have varying levels of experience, with compet ...

Staff Software Engineer, Product Engineering — Ownership & Impact

P2P is looking for an ambitious full-stack engineer in Oxford who is focused on solving customer problems and contributing to both product development and design decisions. You will work in a minimal-process environment that encourages ownership and collaboration, tackling complex projects, and using a modern te ...

Senior Frontend Engineer – AI Native UI High Impact Equity

Jack & Jill in London seeks a Senior Frontend Engineer to join an elite team focused on developing an AI-native data intelligence platform. You will design and deploy scalable frontend systems while collaborating closely with the design team to create high-quality user interfaces. The ideal candidate has experie ...

Full Stack Tools Engineer for AGI Safety

Dormont Manufacturing Co is seeking a Full-stack Software Engineer to build tools aimed at enhancing frontier AGI safety research. This role involves developing features such as LLM-powered search and collaborative evaluation log editing, supporting users through the entire evaluation process.The ideal ...

Senior Product Engineer Healthtech Impact + Equity

Cornerstone VC is on a mission to revolutionize NHS technology. We are seeking a Senior Product Engineer to design experiences impacting patients and clinicians. Join us and make a difference in healthcare!With a competitive salary of £90,000 - £125,000, you'll work mainly in Stratford (London). If you ...

Lead Software Developer .Net

Overview Are you a Senior / Lead .NET Software Developer who is keen to work for a Certified B Corp? Are you keen to use your Full Stack Development skills to create bespoke lending solutions that help UK homeowners build long-term financial wellbeing? We re looking for a Lead Software Engi ...

Full Stack Engineer

Overview Fullstack Software Engineer – London-based role hiring on behalf of Understanding Recruitment. Salary: £140k+ stock options + exceptional benefits. Location: London based team. This is a cutting-edge tech company reimagining how software gets built by combining full-code flexibility ...

Product Engineer (£110K – £200K + Equity) at Incident.io

Product Engineer (£110K – £200K + Equity) at Incident.io – Series B AI incident response platform Incident.io is a Series B AI incident response platform backed by Index Ventures. Job Description Join the leading incident management platform used by 1,500+ companies like Netflix and ...

Staff Software Engineer at Flawless

Job Title Staff Software Engineer Salary Not Disclosed Company Description Flawless is a London-based AI startup transforming Hollywood through advanced cinematic tools like TrueSync and DeepEditor, which enable seamless lip‑sync localization and performance ed ...

Full Stack Engineer

Overview Fullstack Software Engineer – London-based role hiring on behalf of Understanding Recruitment. Salary: £140k+ stock options + exceptional benefits. Location: London based team. This is a cutting-edge tech company reimagining how software gets built by combining full-code flexibility ...

Software Engineer Python TypeScript AWS Ruby

Software Engineer / Developer (Python TypeScript AWS Ruby) London to £110kAre you a technologist who enjoys working with a range of technology across the full stack?You could be progressing your career in a senior, hands-on Software Engineer position at an ethical FinTech that specialises ...

Product Engineer (£110K – £200K + Equity) at Incident.io

Product Engineer (£110K – £200K + Equity) at Incident.io – Series B AI incident response platformIncident.io is a Series B AI incident response platform backed by Index Ventures.Job DescriptionJoin the leading incident management platform used by 1,500+ companies like Netflix and A ...

Staff Design Engineer, UK

Responsibilities You’ll work on our most challenging design problems, help others improve their designs by expanding and enhancing our in‑house design system, and consult on bespoke design work needed by product engineers. Redesigned our mobile web app by talking with customers, wirefr ...

Staff Design Engineer, UK

Responsibilities You'll work on our most challenging design problems, help others improve their designs by expanding and enhancing our in house design system, and consult on bespoke design work needed by product engineers. Redesigned our mobile web app by talking with customers, wir ...

Staff Design Engineer, UK

Responsibilities You'll work on our most challenging design problems, help others improve their designs by expanding and enhancing our in house design system, and consult on bespoke design work needed by product engineers. Redesigned our mobile web app by talking with customers, wir ...

Staff Design Engineer, UK

Responsibilities You'll work on our most challenging design problems, help others improve their designs by expanding and enhancing our in house design system, and consult on bespoke design work needed by product engineers. Redesigned our mobile web app by talking with customers, wir ...

Staff Design Engineer, UK

Responsibilities You’ll work on our most challenging design problems, help others improve their designs by expanding and enhancing our in‑house design system, and consult on bespoke design work needed by product engineers. Redesigned our mobile web app by talking with customers, wirefr ...

Staff Design Engineer, UK

Responsibilities You’ll work on our most challenging design problems, help others improve their designs by expanding and enhancing our in‑house design system, and consult on bespoke design work needed by product engineers. Redesigned our mobile web app by talking with customers, wirefr ...

Staff Design Engineer, UK

ResponsibilitiesYou’ll work on our most challenging design problems, help others improve their designs by expanding and enhancing our in‑house design system, and consult on bespoke design work needed by product engineers.Redesigned our mobile web app by talking with customers, wirefr ...

Staff Design Engineer, UK

ResponsibilitiesYou’ll work on our most challenging design problems, help others improve their designs by expanding and enhancing our in‑house design system, and consult on bespoke design work needed by product engineers.Redesigned our mobile web app by talking with customers, wirefr ...

Staff Design Engineer, UK

ResponsibilitiesYou’ll work on our most challenging design problems, help others improve their designs by expanding and enhancing our in‑house design system, and consult on bespoke design work needed by product engineers.Redesigned our mobile web app by talking with customers, wirefr ...

Senior Full Stack Engineer Space Mission Control (Hybrid)

A leading company in space software development is seeking a Senior Full Stack Software Engineer to join their Ground Segment Software team. The role involves designing and maintaining mission-critical software for satellite operations. Ideal candidates will have 5+ years in software development and proficiency ...

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