• United Kingdom Jobs Expertini profile avatar

    • 227,879+ Cloudnative Java React Engineer Jobs in UK — Top Companies Hiring July 2026

    Professional job seekers finding United Kingdom jobs through Expertini
    750,000+ professionals on Expertini 750,000+ Candidates
    Join our global community
    Explore Leading Employers
    High-Paying Careers
    Expertini Penguin Mascot Resume Score™
    Resume Score™ Instantly
    Upload Your CV
    Quick 30-second process

    Apply Today & Jumpstart Your Career on Expertini, Trusted Since 2008.

    1. Expertini
    2. United Kingdom
    3. Jobs
    4. Cloudnative Java React Engineer Jobs in United Kingdom

    5. Download PDF

    Reset

    Create Job Alert
      Add Alert

     
     
    Create Alert
     
    Reset

    Senior Web Platform Engineer Build DevTools for Engineers

    慨正橡扯 seeks a Senior Software Engineer for their Web Platform in Greater London, focusing on tools that empower engineers across M&S. You will lead in building, evolving, and maintaining capabilities that enhance developer experience. The ideal candidate will have strong expertise in React and TypeScrip ...

    Senior Full Stack Engineer for AI Robotics Platform

    Humanoid is seeking a passionate Senior Full Stack Engineer to join our team in London, focused on developing advanced humanoid robots. This role involves designing cloud platforms for managing robotic fleets while ensuring robust backend services. The ideal candidate should have expertise in React, AP ...

    Creative Frontend Engineer: Immersive WebGL & UX

    Vista Group is seeking a Creative Software Engineer in London for a 9–12 month fixed-term contract focused on UX/UI. This role involves ownership of web application projects in a creative studio environment, collaborating on innovative solutions for major clients. Candidates should have 3+ years of exp ...

    Senior Python Backend Engineer — API & AWS (Contract)

    Arrows is seeking a Senior Software Engineer with a strong background in Python for a 6-month contract in Greater London. The role requires ownership of backend features and services, with opportunities to work closely with a permanent engineering team. Ideal candidates should excel in fast-paced envir ...

    Senior Identity Platform Engineer (TypeScript/AWS)

    Sivara GmbH is seeking a Senior Engineer to join their Identity team in the UK as part of a transformation programme. You will be responsible for migrating identity services to a new platform, ensuring millions of customers securely access products. We offer an inclusive, collaborative environment with ...

    AI Engineer: Autonomous Agents for Financial Modeling

    A VC-backed AI startup in Greater London seeks an AI Engineer to develop sophisticated AI operating systems for financial modeling. You'll work with a team of exceptional engineers from firms like Jane Street and Bloomberg. The role involves optimizing AI agents, leading evaluation pipelines, and producing high- ...

    Full Stack Engineer — ESG Data Platform (Hybrid London, Equity)

    Novata, Inc. is searching for an experienced Full Stack Engineer to join their Engineering team. This crucial role involves developing core tooling to help companies manage ESG data. You will work closely with Product and Design teams and drive projects that enhance the user experience. Applicants shou ...

    Founding Full Stack Product Engineer AI Native Cybersecurity

    C&D Talent Advisory - Academy is seeking a Mid-Senior Full-Stack Engineer to join a pioneering team working on AI-native cybersecurity solutions. The role involves end-to-end product ownership, building modern web applications using TypeScript and React, and integrating AI capabilities. Candidates shou ...

    Principal Frontend Engineer — Hybrid London, Scale & AI

    Initi8 Recruitment is seeking a Principal Frontend Engineer for a growing start-up in London. This hands-on role offers leadership in designing scalable systems using modern technologies and tools. You will have ownership of technical direction while promoting best engineering practices. The ideal cand ...

    Senior Full Stack Engineer AI Driven Platform

    Bluefish is seeking a Senior Full-Stack Engineer to architect and build scalable web applications, contributing to their AI marketing platform. This role involves collaboration with AI engineers and product managers to deliver impactful features while maintaining high engineering standards. The ideal c ...

    Frontend Product Engineer AI Claims Platform (Remote)

    ClaimSorted, based in Greater London, seeks a Frontend Engineer to lead the development of customer-facing products enhancing claims processing. You will engage closely with users to identify workflow improvements and create intuitive experiences that significantly impact claims handling. The role dema ...

    Senior Full Stack Engineer — Real Time Sports AI, Hybrid London

    Searchability® is looking for a Senior Full Stack Engineer in London to lead the development of real-time data-rich web applications in a fast-growing sports AI company. The ideal candidate will have extensive experience with React and Python, along with a passion for sports. You'll be responsible for ...

    Staff Web Platform Engineer Boost Developer Productivity

    Pulse Group is seeking a Staff Software Engineer for their Web Platform team in London. This hybrid role involves creating tools, standards, and libraries used by 150 web engineers to enhance productivity and developer experience. The ideal candidate will possess strong web engineering skills with Reac ...

    Lead Software Engineer, FinTech AI & Cloud

    JPMorgan Chase & Co. in Greater London is hiring a Lead Software Engineer to enhance technology products in the Commercial & Investment Bank Technology team. You will guide an agile team, focusing on innovation and operational stability while fostering a diverse and collaborative environment. The ideal ...

    Senior Product Engineer AI Writing Editor, Equity

    A promising AI startup in London is seeking a Mid/Senior Product Engineer to build a groundbreaking tool for writers. You will create a minimalist editor focused on collaboration and user experience while working with an elite team recognized by top investors. The ideal candidate will have solid React/Next.js ex ...

    AI Engineer: Scalable AI Agents & LLM Workflows

    Anaplan Inc is seeking an AI Software Engineer to design and maintain services for AI-powered agents. The role involves developing backend services using Python and collaborating with product and research teams. Candidates should have experience with relational databases like MySQL and familiarity with React ...

    Lead Software Engineer AI & Enterprise Platforms

    Liberty Information Technology in Belfast is seeking a Principal Software Engineer to lead an agile team, focusing on innovative solutions and technical leadership. You will be part of transforming complex business problems into robust software solutions. Your role includes coaching engineers, managing ...

    Full Stack Software Engineer — Own & Build Impactful Apps

    WE Talent is seeking a skilled Software Engineer / Full Stack Developer based in Leigh-on-Sea, Essex. You will be responsible for building and maintaining impactful applications across web and mobile platforms, utilizing technologies like Node.js, Express, and React. This role offers high levels of own ...

    Senior Frontend Engineer Greenfield Ecommerce (Contract)

    Simply Commerce Group is looking for an experienced Software Engineer to join their internal engineering team on a full-time, 6-month contract. This role involves working in an agile environment, making data-driven decisions, and owning features end-to-end in a new greenfield commerce platform. Ideal candidates ...

    Frontend Engineer — Real Time GIS Dashboards & Field UX

    Arctic Research and Development in Cirencester is seeking a Frontend Software Engineer to architect user interfaces for their Arctic OS. The role involves collaborating with backend and hardware engineers to create intuitive experiences that seamlessly interact with data-rich environments. Candidates s ...

    Founding Full Stack/Platform Engineer — AI SaaS, Equity

    A tech startup is seeking a Full-Stack/Platform Engineer to be a foundational hire in developing an AI-native platform. Responsibilities include owning the technical lifecycle, designing production SaaS solutions, and scaling AWS infrastructure. The ideal candidate has 7+ years of experience with strong skills i ...

    Founding Engineer AI Driven Insurance Platform

    A high-growth startup in London is seeking a Founding Engineer to architect and ship end-to-end systems utilizing Python, TypeScript, Django Ninja, and React. The ideal candidate will have 2–4 years of experience in high-growth environments and a strong understanding of AI workflows. You will play a pivotal role ...

    Founding Product Engineer — Ship AI Powered UX from Day 1

    Seamflow Inc. is looking for a skilled engineer in London who thrives on building end-to-end user workflows, from UI to backend. You will have the opportunity to integrate AI features and contribute to immediate product releases. The ideal candidate has strong experience with TypeScript, modern fronten ...

    Founding AI Security Platform Engineer

    Jack & Jill is seeking a Founding Engineer to join their dynamic team in London. This role involves scaling a production platform for automating cyberattack investigations using state-of-the-art technologies like FastAPI and React. You will play a crucial role in building resilient systems and creating ...

    Founding AI Engineer — Equity, LLM Platform, London

    A pioneering AI startup in London is seeking a Founding AI Engineer to automate competitive intelligence in the pharmaceutical sector. You will design and implement AI systems, collaborating closely with the CTO to drive the product roadmap and develop core LLM orchestration and data pipelines. The ideal candida ...

    Senior JavaScript Engineer

    This Senior JavaScript Engineer role is with a startup who are one of fastest growing in their field. They’ve just gone through a round of funding and need to up their productivity so are looking for an extra pair of hands to join their team in Mayfair.Good amount of tech on site including Python, Reac ...

    Senior Software Engineer (£80k + 10% bonus)

    Senior Software Engineer (£80k + 10% bonus) Great opportunity for a Senior Software Engineer to work for a retail company near Manchester going through a digital transformation. This role is onsite 3-4 days per week so we’re looking for people who enjoy in person collaboration in a fast-paced ...

    Senior Software Engineer, £500/day (Outside IR35)

    Senior Software Engineer, £500/day (Outside IR35) Opportunity for a Senior Software Engineer to work for a retail company near Manchester going through a large digital transformation. This is an initial 6-month contract outside IR35 to help deliver re-platforming of existing systems to a cloud ...

    Senior JavaScript Engineer

    This Senior JavaScript Engineer role is with a startup who are one of fastest growing in their field. They’ve just gone through a round of funding and need to up their productivity so are looking for an extra pair of hands to join their team in Mayfair.Good amount of tech on site including Python, Reac ...

    Senior Full Stack Engineer Public Sector (SC Ready)

    Sanderson Government & Defence is seeking a Senior Software Engineer to enhance their digital consultancy for the public sector. This role involves delivering high-quality software solutions and working within agile teams to foster collaborative environments. Applicants should possess strong experience ...

    Remote AI Native Backend Engineer — Experimentation & ML

    Life360 is seeking a Senior Software Engineer II with a focus on AI-native practices to design and build high-quality infrastructure. You'll collaborate with AI tools and mentor team members in a remote-first environment, ensuring reliability and performance for millions of users. Your role will focus ...

    Loan IQ Devops Engineer Nigel Frank

    This job is posted by our partner Jooble. Engineer with a software development background, specifically in .NET/C#. Responsibilities Scripting & Programming (Bash, Python, Go, Java, or similar) for automation scripts Some knowledge of Containerization & Orchestration (D ...

    AI Native Staff Engineer: Global Backend Lead

    Life360 seeks a Staff Software Engineer AI-Native to design high-quality services for international members, focusing on AI integration. This role involves building backend solutions with modern technologies such as Java and AWS, ensuring the platform meets the needs of families worldwide. Candidates should have ...

    Senior Cloud Control Plane Engineer — Kubernetes & Infra

    A leading cloud data platform company in the United Kingdom is seeking a Software Engineer for the Cloud Control Plane team. You will design and implement distributed systems while working in a collaborative Agile environment. Candidates should have experience with programming languages such as Go, C++, Java, or ...

    Loan IQ DevOps Engineer (C#.NET) — Automation & Containers

    This job is posted by our partner Jooble. Engineer with a software development background, specifically in .NET/C#. Responsibilities Scripting & Programming (Bash, Python, Go, Java, or similar) for automation scripts Some knowledge of Containerization & Orchestration (D ...

    Senior Backend Engineer — Order Management & Fulfillment

    Marks & Spencer is seeking a Senior Software Engineer to enhance its Order Management platform. In this role, you’ll tackle complex fulfillment challenges, collaborate with product and engineering teams, and ensure a seamless customer experience. The ideal candidate has strong Java skills and backend e ...

    Senior Full Stack Engineer, Data Platform & APIs

    Allegis Group is seeking a Senior Fullstack Engineer to join their Data Platform team in the United Kingdom. You will play a key role in building scalable services, APIs, and internal tools that support millions of users globally. The ideal candidate has strong experience in Java backend development an ...

    Senior Backend Engineer — Secure Cloud & Data Platforms

    A technology firm in the UK is seeking an experienced Software Engineer to lead the development of backend platforms for national security and defense clients. You will work in an Agile team to leverage your expertise in JAVA, cloud technologies, and DevSecOps practices. This role requires at least 5 years of pr ...

    Principal Backend Architect for Live Game Services

    A leading gaming company in the UK is seeking a Principal Software Engineer for backend services. You will lead the architecture of major game titles, mentor the engineering team, and act as the key contact for external clients. Candidates must have experience in game development and architecting distributed app ...

    Software Engineer

    Software Engineer12 month contractCan be based in Newcastle or GuildfordOffering £60ph Inside IR35 Do you have experience with Java?Do you have experience in cloud services development?Do you want to work with an industry-le ...

    Software Engineer

    Software Engineer12 month contractCan be based in Newcastle or GuildfordOffering £60ph Inside IR35 Do you have experience with Java?Do you have experience in cloud services development?Do you want to work with an industry-le ...

    Junior Frontend Engineer (Ground Segment)

    Aim high, go beyond! At Open Cosmos we are solving the world’s biggest challenges fro space, providing businesses, governments and researchers access to more readily available information than ever before - ready for the challenge? Then read on… Working in our Chief Technology Offi ...

    Senior Lead Software Engineer Python and Java Equity Derivatives and Pricing Client Facing

    Join us and take your software engineering career to new heights. You’ll have the opportunity to design and deliver market-leading technology products that shape the future of financial services. At J.P. Morgan, you’ll collaborate with talented teams, grow your skills, and make a real impact. We value your ...

    Backend Engineer, Java, Kotlin, AWS | Fintech, Payments Platform (B2B) | Leeds, Hybrid (2 days [...]

    Backend Engineer, Java, Kotlin, AWS | Fintech, Payments Platform (B2B) | Leeds, Hybrid (2 days per week) | Salary Up to £65,000+ Bonus & Benefits Direct message the job poster from Owen Thomas | Pending B Corp™ The Company We are working with an international Fintech Start‑Up in ...

    Senior Lead Software Engineer Python and Java Equity Derivatives and Pricing Front Office[...]

    Join us and take your software engineering career to new heights. You'll have the opportunity to design and deliver market‑leading technology products that shape the future of financial services. At J.P. Morgan, you'll collaborate with talented teams, grow your skills, and make a real impact. We value your ...

    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 ...

    Software Engineer

    Software Engineer – 12 month contract Location: Newcastle or Guildford. Compensation: £60 per hour, Inside IR35. Responsibilities Develop high‑quality, readable, scalable and easily maintainable code using Java and related technologies. Create reusable patterns and en ...

    Senior Backend Engineer in London MASS Analytics

    Senior Backend Engineer London, United Kingdom Posted 12 months ago This is a job posted by our partner Jooble Tech stack NoSQL optimization Backend Databases Java SQL SQL & NoSQL Below is a snippet of ...

    Senior Frontend Engineer — Real Time, AI Native UI Stack

    Cera, the UK's largest home-care provider, is seeking a Senior Front End Engineer. You will embed in an engineering team, developing user interfaces that clinical operators and carers depend on. This role involves utilizing a modern frontend stack, including React 19 and TypeScript, to enhance care delivery a ...

    Full Stack Engineer: AI Powered SaaS UI/API

    Maze is seeking a Full Stack Engineer in the United Kingdom to drive their customer-facing product experiences by owning the complete tech stack from UI to API. You will be tasked with delivering features that enhance user experiences in a fast-paced, startup environment. The role demands strong skills ...

    🚀 Boost Your Hiring Chances with Our AI-Powered Tool-Kit

    Stand out from thousands of applicants. Use our proven career tools to optimize your applications and land your dream job faster.

    To-Do Planner

    Organize your job search and personal tasks. All data is confidential.

    Open Planner →

    Wellbeing Center

    Access your confidential wellness report and resources to manage job search stress.

    Check Wellbeing →

    Skill Coach

    Plan your skill development with O*NET support to stay competitive in your field.

    Start Coaching →

    Outfit Helper

    Get AI-powered suggestions on what to wear for your next interview.

    Find Outfit →

    Income Tax Calculator

    Plan your finances with our calculator, updated for 2025 tax regulations.

    Calculate Tax →

    Salary Benchmark

    Get accurate, AI-supported salary trends to know your worth and negotiate better.

    Check Salaries →

    Interview Practice

    Practice for any interview with AI-enabled Q&A sessions. All data is private.

    Start Practicing →

    Interview Predictor

    Use our AI-supported tool to predict potential interview questions based on your resume.

    Predict Questions →

    Interview Practice Timer

    Use our mock interview trainer to perfect your answers under timed conditions.

    Start Timer →

    Behavioral Mastery

    Ace tricky behavioral interviews with our AI-powered practice module.

    Master Answers →

    Question Journal

    Confidentially record interview questions you were asked for future reference.

    Open Journal →

    Interview Ace

    A comprehensive tool to help you master every aspect of your interviews.

    Become an Ace →

    Q&A Logs

    Confidentially track your answers to common questions and refine them over time.

    View Logs →

    Application Planner

    Schedule and organize your job applications in one confidential planner.

    Open Planner →

    Cover Letter Tool

    Create perfect, tailored cover letters for each application with AI support.

    Generate Letter →

    Resume Score

    Get instant feedback on your resume with our NLP-supported analysis tool.

    Check My Score →

    ATS Score

    Check your resume's compatibility with Applicant Tracking Systems (ATS).

    Check ATS Score →

    Application Analyzer

    Use AI to analyze job descriptions and optimize your application materials.

    Analyze Application →

    Career Visualizer

    Confidentially plan and visualize your long-term career path and goals.

    Visualize My Career →

    Offer Genius

    Get intelligent insights and strategies to confidently negotiate job offers.

    Negotiate Offers →

    JobFlow

    Track your entire job search progress from application to offer with this intelligent tool.

    Track My Flow →

    JobSense

    Our intelligent matching engine that provides smart job recommendations.

    Get Smart Matches →

    Networking Toolkit

    Tools to build and manage your professional connections. All data is confidential.

    Build Network →

    Professional CV

    A classic, O*NET supported template for corporate and professional roles.

    Use This Template →

    Executive CV

    A premium, O*NET supported template designed for senior and C-level positions.

    Use This Template →

    Modern CV

    A fresh, stylish, O*NET supported template perfect for tech and modern industries.

    Use This Template →

    Creative CV

    A visually distinct, O*NET supported template for design and artistic roles.

    Use This Template →

    Minimalist CV

    A clean, simple, O*NET supported template that focuses purely on content.

    Use This Template →

    Europass CV

    The standard European Union recommended format for wide compatibility.

    Use This Template →

    Student CV

    An institution-recommended template perfect for internships and first jobs.

    Use This Template →

    Graduate CV

    An institution-recommended template for recent graduates entering the workforce.

    Use This Template →

    Academic CV

    The researcher-recommended format for roles in academia and research.

    Use This Template →

    Developer/IT CV

    A tech-savvy recommended template to highlight your technical skills.

    Use This Template →

    Skilled Worker CV

    A trades-recommended template to showcase hands-on skills and experience.

    Use This Template →

    Monochrome CV

    A sleek, black-and-white, O*NET supported template for a professional look.

    Use This Template →

    Art CV

    An artist-recommended template that allows your creativity to shine.

    Use This Template →

    Harvard CV

    A researcher-recommended template based on the classic Harvard format.

    Use This Template →

    Volunteer Research

    Help us improve our platform by joining our community research program.

    Join Research →

    Review Us

    Share your experience with our tools to help other job seekers.

    Share Experience →

    Register

    Create your free account to save jobs, build your profile, and track applications.

    Create Account →

    Login

    Access your dashboard, manage applications, and continue your job search.

    Access Your Account →

    Profile Builder

    Create a comprehensive professional profile that attracts recruiters and showcases your skills.

    Build Your Profile →

    View Profile

    See your public profile exactly as employers will see it. Make sure it's perfect.

    Preview Profile →

    Bookmarked Jobs

    Keep track of all your saved job opportunities in one organized place.

    View Saved Jobs →

    Your Reviews

    View and manage all the company reviews you've submitted.

    See Your Reviews →

    Following

    Manage the list of companies you follow to stay updated on their new openings.

    Manage Following →

    Find Companies

    Discover and research top employers in your country and industry.

    Discover Employers →

    Standalone CV Builder

    Use our O*NET supported CV builder to create a professional resume from scratch.

    Build Your CV →

    PDF to DOC (Beta)

    Convert your PDF resumes or documents into editable Word (DOC) format.

    Convert PDF →

    DOC to PDF (Beta)

    Create universally compatible PDF documents from your Word (DOC) files.

    Create PDF →

    General FAQ

    Find answers to common questions about our job site and platform.

    Read FAQ →

    Job Seekers FAQ

    Get help and find answers to questions specifically for job seekers.

    Get Help →

    Job Matching

    Learn about the technology and algorithms behind how we match you to jobs.

    Learn How →

    Personalized Matching

    Discover how we use your profile and activity to provide customized job suggestions.

    Learn More →

    Quick Apply

    Understand our fast application process and how to make the most of it.

    Learn More →

    Alert Frequency

    Learn how to manage your job alert settings so you get the updates you want.

    Manage Settings →

    Job Alerts Guide

    A complete guide to understanding how job alerts work and how to use them effectively.

    Read Guide →

    Resume Matching

    Learn how our system matches your resume to job requirements.

    Learn More →

    Ethical Branding

    Read our guide to building a professional and ethical personal brand.

    Read Guide →

    Candidate Visibility

    Learn how to increase your visibility to recruiters on our platform.

    Increase Visibility →

    Verified Badge

    Find out how you can get a verified badge to build trust with employers.

    Get Verified →

    AI ATS Technology

    Learn about the advanced AI and ATS technology that powers our platform.

    Learn More →

    ATS Ranking

    Understand how Applicant Tracking Systems rank you as an applicant.

    Learn More →

    Semantic Matching

    Learn how our AI-powered semantic matching goes beyond keywords.

    Learn More →

    💡 Tools that really enhance your application chances and career growth.

    Go to Your Dashboard →

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