227,423+ Cloudnative Java React Engineer Jobs in UK — Top Companies Hiring July 2026

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Full Stack Product Engineer — Own End to End AI Features

REalyse (UK) is looking for a Full-stack Engineer to take ownership of full-stack product features from idea to production. The role requires strong capabilities in TypeScript, React, Golang, and API integration, as well as the ability to handle ambiguity and drive projects to completion. You'll collaborate clos ...

Principal Design Engineer: AI Driven UX Leader

AlphaSense is seeking a Principal Design Engineer to shape the future of our product experience in the United Kingdom. This role demands 12+ years of experience in product design, understanding of modern front-end technologies like HTML/CSS and React, and expertise in leveraging AI in design. You will lead desig ...

Lead Frontend Design Systems Engineer

Seeq is seeking an exceptional Frontend Engineer in the UK focused on evolving its design system and creating reusable application patterns. The role offers a chance to enhance component quality and usability while collaborating with UX and engineering teams. Candidates must have at least 10 years of experience, ...

Senior Full Stack Engineer AI Driven Hiring Platform

Spotted Zebra is seeking a Full Stack Engineer to join the AI Augmented Delivery team. You will work closely with a Product Manager and take ownership of building features end-to-end using TypeScript and React. The ideal candidate will have experience in B2B SaaS, strong communication skills, and a pas ...

Senior Frontend Engineer – Internal Tools (Remote, Equity)

Alpaca is seeking a Senior Frontend Engineer to design, implement, and maintain frontend applications that enhance user experiences. You will work closely with cross-functional teams to deliver high-quality solutions while mentoring peers and influencing technical strategies. The ideal candidate has 5+ ...

Senior Node.js Engineer Remote 12m Contract (UK)

Insights Learning & Development Ltd is seeking a Senior Software Engineer (Node.js) for a 12-month temporary full-time contract, offering remote working based in the United Kingdom. The role demands strong expertise in TypeScript and React, focusing on building user-centered products and improving delivery pr ...

Quantitative Engineer

Job Opportunity : Quantitative Engineer - Exotic Derivatives Location : London, UK (Canary Wharf) Engagement : 12-Month Contract | Hybrid (3 days/week in office) Role Summary We are hiring a hands‑on Quantitative Engineer with 15+ years of experience t ...

Quantitative Engineer

Job Opportunity Quantitative Engineer - Exotic Derivatives Location: London, UK (Canary Wharf) Engagement: 12-Month Contract Hybrid (3 days/week in office) Role Summary We are hiring a hands-on Quantitative Engineer with ...

Mid Senior Mobile Engineer

Mid-Senior Mobile Engineer – Would you like the opportunity to work for a market leading organisation? You’ll be Mid- Senior Mobile Engineer working mainly on apps, using Kotlin Multiplatform (KMP) to build features that work on both Android and iOS. You’ll take ownership of complex technical work and help im ...

Lead Scala Engineer in London Quantexa

Job Opportunity: Lead-level Scala Engineer Due to the continuous success and high demand from our customers, we are looking for a Lead-level Scala Engineer to join our R&D team. As part of this team, you will be involved in building and shaping the next generation of products that transform how orga ...

Senior Production AI Engineer – Full Stack Expert

A fast-growing AI-first company in England seeks a Senior Software Engineer responsible for building reliable full-stack systems. Candidates should have hands-on experience with TypeScript and React, a strong sense of ownership, and the ability to thrive in dynamic environments. The role involves collaborating c ...

Senior Full Stack Engineer — AI Driven Fintech

A dynamic fintech company in the United Kingdom is seeking a Senior Software Engineer to join their fast-paced team. You'll work on an AI-native platform, engaging in full-stack development and directly contributing to complex features. With over 5 years of experience required, familiarity with React, TypeScript ...

Lead Software Engineer – Scale FinTech Platform & Mentor

A high-growth FinTech company in the UK is seeking a Lead Software Engineer to guide the development of its core platform capabilities. In this role, you will be responsible for designing, building, and improving cloud-native distributed systems, as well as mentoring other engineers. Candidates must be proficien ...

Frontend Engineer Real Time AI Retail UI

A stealth-mode AI company in the UK is seeking a Frontend Engineer to design and build engaging web experiences for retail. You will work collaboratively with cross-functional teams to implement reactive interfaces and contribute to API design. The successful candidate will possess strong UX and web framework ex ...

AI Native Full Stack Engineer | 0→1 Impact & Equity

A forward-thinking digital company in Central London is seeking an Associate Full-stack Engineer to join their high-calibre team focusing on AI-native product development. You will build and ship production systems that are crucial for multimodal AI agents. The role involves designing human–AI interaction models ...

Senior Scala Engineer Hybrid Backend (London)

A technology consulting firm is looking for a Senior Scala Engineer to build and maintain backend services while integrating data. The ideal candidate will have strong Scala skills, exposure to Docker, Kubernetes, and CI/CD processes, alongside a solid understanding of AI and modern front-end technologies like R ...

Full Stack Engineer Enterprise SaaS

A growing product-focused cybersecurity company in the United Kingdom is seeking a Full Stack Engineer to join their experienced engineering team. This hands-on role emphasizes collaboration and focuses on building and improving features across both backend and frontend systems. The ideal candidate should have o ...

Senior Frontend Engineer: Growth Experiments

A health-focused technology company in the UK seeks a Senior Frontend Engineer to lead growth experimentation efforts. You will own the frontend platform, engaging in design and testing of features that enhance patient interactions. The ideal candidate possesses strong skills in React and TypeScript, with experi ...

Multi Skilled Maintenance Engineer

An excellent opportunity for a Multi-Skilled Maintenance Engineer to join a Global Engineering Automation business with fantastic benefits and career progression.The Multi-Skilled Maintenance Engineer will also have the opportunity to earn certifications, complete training, pursue continuous development and ...

Multi skilled Maintenance Engineer Electrical Bias

An excellent opportunity for a Multi-Skilled Maintenance Engineer to join a Global Engineering Automation business with fantastic benefits and career progression. The Multi-Skilled Maintenance Engineer will also have opportunities to gain certified training, continuous development, and a progressive career path. ...

Scale Platform Senior Software Engineer Fintech

Airwallex is looking for a skilled Software Engineer to build and maintain its embedded finance infrastructure in London. The role demands expertise in Java/Spring Boot and strong collaboration across teams. Candidates should have over 5 years of experience in software engineering and the ability to de ...

Lead Backend Engineer — Product‑Driven, Remote UK

A recognized staffing firm in the UK is seeking a Lead Software Engineer to spearhead backend development with a product-oriented approach. The role, based in London, allows for fully remote work for UK-based applicants. Candidates should have strong experience in programming languages like Python and Java, a ST ...

Endpoint DLP Software Engineer — Security & Performance

WorksHub is looking for an Agent Software Engineer for a full-time position in the United Kingdom. The ideal candidate should have experience in software development using languages like Go, C, C++, Java, Scala, and Swift, along with knowledge of kernel and device driver development for Windows, Linux, or Mac. T ...

Lead Test Engineer: Automation & API Specialist

Java Script Works is seeking a Lead Test Engineer to join their team in the United Kingdom. The ideal candidate will have expertise in test automation using JavaScript/TypeScript and frameworks like WebdriverIO, Cypress, or Playwright. You'll be responsible for testing APIs with tools such as Postman and impleme ...

AI Native Product Engineer III Hybrid

A tech-forward company in the UK is seeking a Product-Minded Software Engineer III to incrementally deliver value to customers using AI. You will work within a collaborative team, focusing on quick product iterations and ensuring quality through AI-native workflows. The role requires expertise in Golang, Java, a ...

Principal Distributed Systems Engineer Scale & Resilience

Elasticsearch B.V. seeks a Principal Software Engineer I to enhance the Distributed Systems team. This role involves improving Elasticsearch components for indexing and managing cluster performance while ensuring data consistency across nodes. Ideal candidates possess strong skills in distributed syste ...

Cryptography Engineer — On Site in London (12 Months)

A global semiconductor company is seeking a Cryptography Engineer to produce security assessments and reports for mobile applications. Candidates should have experience in application testing and knowledge of programming languages such as C, C++, and Java. The role involves on-site work in London three days a we ...

Principal Search Infrastructure Engineer – Scale & AI

PowerToFly is seeking a Principal Software Engineer to drive the evolution of Elasticsearch's core search capabilities. This role involves leading technical projects in search infrastructure, mentoring other engineers, and ensuring robust, high-performance systems. Ideal candidates will have hands-on e ...

Senior QA Automation Engineer – OTT/Video Platform

Luxoft is seeking a Senior QA Automation Engineer for the Open Video project focusing on OTT platform development. The role involves assessing software quality through automated testing while collaborating with cross-functional teams. The successful candidate will need a proven background in quality as ...

Senior Software Engineer

Senior Software Engineer (Python, Go OR Java) – Agentic & AI Systems (IC Role) Location – Manchester Working Pattern – Hybrid (2 days per week in office) We’re hiring Senior Software Engineers to join a new accelerator programme focused on building next‑generation, ...

Software Engineer

I'm working with a key client on a high-impact contract role within a fast-paced engineering team building scalable, cloud-native applications. This isn't just another full stack role - they're looking for a hands-on engineer who can build, deploy, and own production systems end-to-end. 📍 The ba ...

Staff Software Engineer

To design, develop and improve software, utilising various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues. Accountabilities Development and delivery of high-quality software solutions by using industry aligne ...

eFX Software Engineer

eFX Software Engineer – Permanent | London (Hybrid)We’re hiring an experienced eFX Software Engineer to join a leading financial institution’s digital technology division. This is a permanent position based in London with a flexible hybrid working model.You’ll be part of ...

eFX Software Engineer

eFX Software Engineer – Permanent | London (Hybrid)We’re hiring an experienced eFX Software Engineer to join a leading financial institution’s digital technology division. This is a permanent position based in London with a flexible hybrid working model.You’ll be part of ...

Front End Web Developer

Job Summary We are seeking a motivated Front‑end Web Developer to join our development team. The successful candidate will work alongside experienced developers to build, test, and maintain web applications using React on the frontend and Java on the backend. This role is ideal for someone lookin ...

Senior Software Engineer II — Drive Scalable, High Impact Systems

Menlo Ventures is seeking a Senior Software Engineer II in Greater London to lead complex technical projects and simplify systems within our technology stack. With a focus on collaboration and mentorship, this role requires 8+ years of software engineering experience, particularly in Python, Django, React, and o ...

Senior Software Engineer Cloud Native Microservices

A leading retail company in Manchester seeks a Senior Software Engineer for a 6-month contract. This role is essential for the digital transformation initiative, focusing on re-platforming systems to a cloud-native microservices architecture. The ideal candidate will have extensive experience with TypeScript (No ...

Senior Software Engineer Cloud Native Serverless (Hybrid)

A mission-driven tech organization in Manchester is seeking a Senior Software Engineer to build scalable, cloud-native systems. The ideal candidate will work in a collaborative DevOps environment, managing a product's lifecycle from ideation to production support. Key skills include TypeScript (Node, React), AWS ...

Technical Architect | Principal Engineer for Scalable Payments

Franklin Bates is seeking a hands-on Technical Architect / Principal Engineer in London to help shape their payment platform. This key role involves technical leadership, defining architecture, and building scalable backend services. Candidates should have experience with React Native, AWS, and scalable systems, ...

Senior Software Engineer Cloud/API, mentoring, Hybrid

A dynamic technology company in Salford is looking for a Senior Software Engineer to join its Operational and Regulatory Technology team. The role involves mentoring a cross-functional team and developing high-quality products using C#, .NET Core, and cloud technologies. The ideal candidate will have significant ...

Senior Software Engineer, Content Agent Full Stack & AI

A pioneering content technology firm in Greater London is looking for a Senior Engineer for their Content Agent. In this role, you'll engage in full-stack product work using TypeScript and React, contributing to the development of AI-powered systems that handle structured content. You’ll collaborate closely with ...

Senior Software Engineer, Content Agent — AI Powered Ops

A tech company specializing in content operations seeks a Senior Engineer for their Content Agent product. This role involves full-stack product work, primarily using TypeScript and React to design system interfaces, develop tools, and run experiments. The ideal candidate has experience with LLM-based systems an ...

Senior UI Engineer Design Systems & Frontend Architect

A leading restaurant chain is seeking a Senior Software Engineer specializing in UI to enhance their design system. The ideal candidate will be proficient in React and TypeScript, skilled in developing maintainable UI components, and passionate about mentoring. You'll work closely with designers and engineers to ...

Senior Software Engineer II: Scale Private Markets ERP

Carta Healthcare in Greater London is looking for a Senior Software Engineer II to lead complex technical projects. You will work with an advanced tech stack including Python, Django, and React, and mentor junior engineers while collaborating cross-functionally. The ideal candidate has over 8 years of ...

Senior Frontend Engineer Client SDK & UI Platform

A leading API platform company is seeking a Senior Software Engineer for their Client SDK (UI Platform) in Greater London. This role involves designing scalable front-end solutions, optimizing performance, and mentoring engineers. The ideal candidate has 5-10 years of experience, with deep knowledge in JavaScrip ...

Senior Fullstack Engineer, Signals Remote Security

Entrust is seeking a Senior Fullstack Software Engineer for their Signals Team in London. This role involves designing and developing secure, scalable applications while mentoring other engineers. Successful candidates will have 5+ years of experience in fullstack development, strong skills in React/TypeScript a ...

Senior Full Stack Engineer — Drive Web Growth

Praktika.ai in Greater London is seeking a Senior Full-stack Engineer to own their web assets, including onboarding and marketing tools. You will drive product decisions using a data-driven approach, with responsibilities covering the entire web stack, from architecture to deployment. Candidates should have exte ...

Senior Front End Engineer POC/UX Focus, Hybrid

A digital product consultancy based in Northern England is seeking a Senior Front End Engineer to enhance their Engineering team. In this role, you will create user-centered digital products, focusing on rapid iteration and usability. The ideal candidate will have strong front-end skills with modern frameworks l ...

Senior Fullstack Engineer, Signals Platform & Security

Entrust Corporation is looking for a Senior Fullstack Software Engineer to join their Signals Team in London. The role involves developing secure applications for digital identity and authentication services, working across frontend and backend systems. The ideal candidate will possess 5+ years of expe ...

Senior Full Stack Engineer — Hybrid & AI Tools

Pharmacy2U | Certified B Corp in Leeds is hiring a Senior Full Stack Engineer to develop a new single-platform solution in a flexible hybrid role. The position requires experience with .NET, Microsoft SQL, and familiarity with Agile environments. Applicants should have strong skills in API design, React, TypeScr ...

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    Cloudnative Java React Engineer Jobs in United Kingdom Job Search Guide, Trends and Insights