• United Kingdom Jobs Expertini profile avatar

    • 319,239+ Fullstack Software Engineer Java React Aws Jobs in UK — Top Companies Hiring June 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. Fullstack Software Engineer Java React Aws Jobs in United Kingdom

    5. Download PDF

    Reset

    Create Job Alert
      Add Alert

     
     
    Create Alert
     
    Reset

    AI Frontend Engineer (Equity, London Onsite)

    A leading AI startup in London is seeking a Frontend-Focused Full-Stack Engineer to design innovative UX patterns for AI-driven workflows. You'll work with technologies like React and TypeScript, contributing to the development of high-performance, user-centric applications. The position offers a salary of up to ...

    Agent Powered Full Stack Engineer for AI Brand Platforms

    A technology consulting firm in Greater London is seeking a Full Stack Engineer to build advanced AI products. This role involves developing autonomous systems for major brands and seeing your work in action quickly. Ideal candidates are skilled in React, Node, and Python, with strong experience in Claude Code. ...

    Principal Frontend Engineer & Architecture Leader

    Solirius Reply is seeking a highly experienced Principal Front End Engineer to lead the architecture and development of our web applications. This role involves hands-on technical leadership combined with strategic influence across teams. Your expertise in JavaScript, React, and responsive design will ...

    Frontend Web Engineer High Traffic Ecommerce (London)

    JINGDONG RETAIL (UK) LIMITED is seeking a Web Engineer to develop and maintain user-facing web experiences for Joybuy in London, UK. Applicants should have over 3 years of experience in frontend web development, particularly using React, along with strong skills in Javascript and HTML. The role involve ...

    FinTech Platform Architect | Principal Engineer

    Vertus Partners is seeking a Principal Engineer to lead technical architecture and drive engineering standards within a leading FinTech organisation. You will be responsible for shaping platform architecture and guiding the evolution of a cloud-native product. The ideal candidate will have demonstrated ...

    Senior Frontend Engineer — Remote & Equity

    Kitman Labs, based in Manchester, is looking for a Senior Front-end Engineer to enhance user interfaces across products. This role emphasizes usability, security, and performance, alongside collaboration with backend teams. Candidates should show the capability to quickly learn technologies like React and Ruby. ...

    AI Driven Product Engineer for Life Sciences Platform

    An innovative life sciences platform is looking for a Product Engineer to build a GxP execution system, streamlining lab and clinical tools into one AI-native platform. This role offers the chance to solve complex engineering challenges and significantly influence drug development. Ideal candidates are user expe ...

    Python Backend Engineer — Hybrid, Equity & Growth

    Skin + Me in London is looking for a Backend Engineer to develop services powering consultations and prescriptions. You'll join an experienced engineering team, focusing on building APIs and data models in Python and Flask. The role offers a hybrid work model, competitive salary, and equity in a growin ...

    Full Stack Engineer: Pre Trade Analytics & UI (London)

    A leading hedge fund in London is seeking a Full Stack Engineer to join their team. You will contribute to high-impact initiatives and develop web-based trading platforms for pre-trade decision-making and risk evaluation. The ideal candidate has strong skills in TypeScript and React, experience with backend lang ...

    Senior Backend Engineer Fraud & Risk Systems (RSU)

    hackajob is seeking a Backend Engineer in Greater London to develop a fraud engine that supports fast-paced product releases while managing risk effectively. You will collaborate with cross-functional teams, ensuring a balance between scalability and security. The ideal candidate has strong experience ...

    Hybrid HCL Commerce Engineer Scale Driven Backend

    DCV Technologies is looking for a Specialised Engineer - HCS Commerce to enhance their digital commerce platform in London. The role includes designing and maintaining HCL Commerce components while ensuring scalability and performance standards. Candidates will need hands-on experience with Java and a ...

    Senior Full Stack Engineer – AI‑Driven Backend (London)

    BNY is seeking a Senior Associate, Full-Stack Engineer in London. In this role, you will design and maintain backend services while collaborating on frontend development. Key responsibilities include delivering secure, scalable systems and contributing to performance enhancements. Required qualificatio ...

    Backend Engineer Scale Payments Microservices (Hybrid)

    Dangote Industries Limited in Greater London is seeking a skilled Backend Engineer to join their Hold team. You will contribute to developing new account types and scaling platforms that directly impact millions of customers' money management. The ideal candidate will be proficient in Java, Python, or ...

    Quality Automation Engineer: CI/CD, Frameworks & Testing

    Omaze is hiring a Quality Automation Engineer in Cambridge, UK, to enhance the quality and reliability of our critical documentation platform. The successful candidate will partner with development teams, design test plans, and maintain automation frameworks, focusing on CI/CD processes. Applicants should have p ...

    Senior QA Automation Engineer — Lead Testing Strategy

    A technology firm in Greater London seeks a Senior QA Automation Engineer to lead quality initiatives and improve automation frameworks. This role includes mentoring engineers and establishing testing standards within Agile teams. The ideal candidate will have significant experience in QA, expertise in test auto ...

    Senior Lead Engineer, Post Trade Blockchain & Cloud

    A global financial markets provider seeks a Senior Lead Engineer to play a critical role in developing cloud-based market infrastructure. This position emphasizes engineering excellence and requires strong skills in advanced Java, microservices, and agile methodologies. Candidates should be familiar with cloud p ...

    Impactful Full Stack Engineer for Trading Platform

    A growing investment bank in Greater London is looking for a Full-Stack Engineer to develop trading system components and maintain production systems. Ideal candidates should possess a Bachelor's degree in a relevant field and have practical experience in Java, Kotlin, or Python. This role offers the chance to m ...

    Backend Engineer HFT & Crypto Systems (London On Site)

    A high-growth blockchain infrastructure company based in Greater London seeks a talented Backend Engineer to develop backend systems for trading and digital asset platforms. The role requires over 5 years of expertise in backend engineering, particularly in high-frequency trading, alongside proficiency in C++, R ...

    SRE: Application Reliability & Incident Response (Hybrid)

    A technology company is seeking a Site Reliability Engineer to join their SRE team. The ideal candidate should have experience with application debugging in Java, Golang, or Python, solid PostgreSQL skills, and familiarity with Kubernetes. Job responsibilities include investigating incidents, application debuggi ...

    Senior Backend Engineer, Trust Detection — Remote & Growth

    Depop in Greater London is seeking a Senior Backend Engineer for its Trust Detection team. In this role, you will design and deliver backend solutions, evolve core detection services, and collaborate with ML Engineers on innovative detection systems. Ideal candidates will have strong backend fundamentals and pro ...

    Cloud Contact Center Engineer (JS/Python)

    Java Script Works is seeking an Amazon Connect Engineer based in Glasgow, United Kingdom. The ideal candidate should have strong attention to detail, good communication skills, and teamwork abilities. Experience with scripting languages like Python and JavaScript is preferred, along with skills in performance an ...

    Lead QA Engineer — Automation & Security Leader

    A leading health technology company is seeking a Lead QA Engineer to lead the design and evolution of test frameworks, focusing on automation, performance, and security testing. This role includes mentoring QA engineers and ensuring best practices across teams. Strong hands-on experience in Java programming and ...

    Principal Platform Engineer: AI, Reliability & Leadership (Hybrid/Remote)

    LexisNexis Risk Solutions is looking for a Principal Engineer to guide technical direction across teams, focusing on system modernization and AI applications. This full-time role involves collaborating with various teams to enhance reliability and scalability of platforms. Candidates should have extensive backen ...

    AI Powered Presales Engineer – Custom Demos & Analytics

    Personetics is seeking a full-time Presales Engineer in Greater London, England. The ideal candidate will have strong skills in AI, Machine Learning, and predictive analytics, alongside conversational knowledge of Linux, Java, and SQL. Responsibilities include managing RFIs and RFPs, tailoring demos to prospects ...

    AI Driven Integration Engineer (Remote)

    Fiskl.AI is seeking a skilled engineer to build financial integrations and automate accounting systems. In this role, you will develop payment and banking integrations while employing AI tools to enhance productivity. Ideal candidates will have over 3 years of experience in backend development, specifically usin ...

    Senior Automation Test Engineer – Remote/Hybrid

    A leading technical consultancy in the Greater Bristol Area is seeking an experienced Senior Automation Test Engineer. The role involves implementing continuous automated testing within CI/CD pipelines, designing test frameworks, and conducting various testing types including automation, security, and performanc ...

    DevOps Engineer Automation, Docker, Kubernetes & WebLogic

    Quant Capital is seeking a DevOps Engineer for a full-time role in Reading, UK. The position offers a competitive salary of up to £70K and requires strong skills in Automation, including Puppet, Docker, and Kubernetes. Candidates should have experience with Java application servers and databases like Oracle and ...

    Python Engineer – Quant Trading & Data Science

    Java Script Works is seeking a Python Engineer to join a globally recognized High-Frequency Trading firm. The ideal candidate will have strong Python skills and experience with modern data processing libraries. Web development skills, familiarity with Linux, and a 2:1 STEM degree are required. As part ...

    Application Security Engineer: Threat Modeling & Secure Architecture

    A leading global e-commerce company is seeking an experienced Application Security Engineer in Greater London. You’ll conduct application security reviews, design secure architecture, and ensure security across various services. A Bachelor's degree in Computer Science and programming experience in Java, C++, or ...

    Application Engineer: Image & Signal Processing

    Java Script Works is seeking an Application Engineer based in Cambridge, United Kingdom. This full-time role requires a Bachelor's degree in Computer Science or equivalent experience. Candidates should possess strong programming skills in MATLAB, Python, JavaScript, and C++, along with expertise in developing ...

    Senior Engineer, Platform & DevOps (Hybrid)

    A leading global financial services company in Belfast is seeking a Senior Engineer to lead application systems analysis and programming. Responsibilities include integrating functions, ensuring compliance, and mentoring mid-level developers. Required skills include expertise in multiple programming languages su ...

    Automation QA Engineer: Cloud & API Testing, Growth Path

    Maxwell Bond is seeking an Automation Test Engineer in Leeds. The role involves manual and automation testing using Java, Selenium, and other tools, contributing to the enterprise cloud-native platform. You'll work in a supportive environment with opportunities for quick progression into senior roles. The positi ...

    Growth Backend Engineer TypeScript & Scale

    Java Script Works is seeking a Backend Engineer with strong proficiency in TypeScript to join their London team. The role involves building scalable systems that enhance user growth and conversion while leveraging solid database architecture. The ideal candidate will have a deep understanding of relati ...

    Senior Backend Engineer (Kotlin) – AI Data Platform, Hybrid

    Understanding Recruitment is looking for a Senior Backend Engineer to join a rapidly growing AI infrastructure company in London. This role involves developing new product features, enhancing performance, and defining the technical direction. The ideal candidate has strong experience with Kotlin and Ja ...

    QA Automation Engineer for Trading Platforms

    A leading workforce solutions company in the UK is looking for a QA Automation Engineer to ensure high reliability in trading systems. Responsibilities include building test frameworks, executing tests, and collaborating with developers. The ideal candidate should have experience with Java or Python testing fram ...

    Full Stack Cloud Solutions Engineer

    Java Script Works is looking for a Client Solutions Engineer based in London, United Kingdom. The ideal candidate will have experience in Full Stack Web development and Cloud Architecture. Proficiency in JavaScript, Node.js, and Python, along with excellent communication skills, are essential. This ful ...

    Principal Platform Engineer: AI, Reliability & Leadership (Hybrid/Remote)

    LexisNexis Risk Solutions is looking for a Principal Engineer to guide technical direction across teams, focusing on system modernization and AI applications. This full-time role involves collaborating with various teams to enhance reliability and scalability of platforms. Candidates should have extensive backen ...

    Principal Platform Engineer Cloud & Automation

    A leading digital retailer is seeking a Principal Platform Engineer to design and maintain cloud infrastructures. This role requires strong troubleshooting skills and expertise in various programming languages, including Java and scripting. You will work closely with engineering teams to enhance platform reliabi ...

    Senior Ads Auction Engineer — Real Time CTV Platform

    Roku in Liverpool seeks an engineer to optimize ads auction systems for its CTV advertising platform. You will design and implement low-latency auction services while collaborating closely with engineering, product, and data teams. The ideal candidate has experience in distributed systems, robust codin ...

    Cloud SRE Global Observability Lead (Remote UK)

    A leading technology company is seeking a Staff Site Reliability Engineer - Cloud to architect the Observability Centre of Excellence, ensuring reliability and uptime of global platforms. This role involves implementing OpenTelemetry, developing automation scripts, and optimizing platform performance while colla ...

    Global Software Architect Scalable, Secure Systems (Flex)

    RX Global in Greater London is seeking a seasoned software architect to lead the design and governance of scalable and secure platforms. You will collaborate with global teams to transform strategies into resilient systems, ensuring optimal performance and cost efficiency through architectural oversight. ...

    C++ Software Developer: R&D, Cloud & Release

    PlanetRecruitment in Milton Keynes, England is looking for a C++ Software Developer to join their Research and Development Team. The role involves building and maintaining software applications, adding new features, and delivering high-quality solutions. Ideal candidates will have at least a year of co ...

    Senior Application Security Engineer (SCA/SAST)

    Senior Application Security Engineer (SCA/SAST) Scale Security. Empower Engineers. Shape the Future. Location: UK - Remote The Mission At Trimble, we aren't just building software; we're transforming the way the world works. We are looking for a Senior Applicat ...

    Software Engineering Manager

    We're working with a series A startup building an AI operating system for private capital. They build AI agents that automate the grind of due diligence, research and portfolio monitoring, with every insight traced back to its source. The platform is already in production with multi-billion-dollar ...

    Software Architect (M365)

    We are seeking a highly skilled and experienced M365 Architect to join our dynamic team. The ideal candidate will have a strong background in Microsoft full stack technologies, including Exchange, Intune, Security, SharePoint, OneDrive, Teams, Copilot Studio , Power Platform, and Dataverse. As an Ar ...

    C++ Software Developer

    Job Title: C++ Software Developer Salary: £40k - 50k Location: Milton Keynes Role As part of the Research and Development Team, you will be building and maintaining releases of our applications to specification. This will involve anything from the creation of new functiona ...

    Senior Software Developer

    Excellent opportunity for a Senior Software Developer to play a key role in architecting, developing, and enhancing our clients in‑house trading and research systems. This is an opportunity to work on greenfield projects, influence architectural decisions, and directly impact systems that support r ...

    Senior Software Developer

    The role of the Senior Software Developer is an integral member of the software Development Team here at University Hospitals Plymouth NHS Trust. Acting as part of the technical leadership group for the maintenance and future development of both clinical and business systems to meet the organisations digit ...

    Software Development Placement

    Overview Keysight is at the forefront of technology innovation, delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, test, manufacturing, and optimization. Our ~15,000 employees create world‑class solutions in communications, 5G, automotive, energy, quantum ...

    Software Sales Executive

    Drive new business for a growing SaaS company Are you a confident communicator with a flair for sales and a hunger to earn? A well-established and growing SaaS company is looking for a driven Business Development Executive to win new clients and grow existing accounts. You'll be promoting a ...

    🚀 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 →

      Buffering Video...

      Fullstack Software Engineer Java React Aws Jobs in United Kingdom Job Search Guide, Trends and Insights