• United Kingdom Jobs Expertini profile avatar

    • 273,635+ 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

    Senior Cloud Security Engineer

    Job Description We are searching for an experienced Senior Cloud Infrastructure Security Engineer with an unquenchable thirst for automation and a passion for DevSecOps methodology. You'll be working with a team of other engineers to build out and secure our expanding cloud infrastructure in AWS. ...

    Senior Full Stack Engineer at ScienceMachine

    Job Title Senior Full Stack Engineer Salary Not Disclosed Company Description ScienceMachine is a London-based technology company building agentic AI software to automate complex bioanalysis workflows for scientists. Their platform transforms analytical process ...

    Software Developer Backend (SFIA5)

    Overview Zaizi is looking for a Senior Software Developer with solid technology skills, but who is also passionate about improving outcomes and the user experience. You’ll be reliable in your own deliverables but also curious about and offer innovative ideas to others in a mutli-disciplinary team. ...

    Mid Backend Engineer (Golang)

    Requirements This is an ideal opportunity for a motivated self-starter to accelerate their career, taking a broad and varied role within a rapidly growing company. We pride ourselves on building an inclusive working environment where diversity is celebrated As an Engineer, you sho ...

    Forward Deployed Solution Engineer – Applied AI FDE

    Company Description It all started when engineer Fred Luddy wrote code that automated a tedious task for his coworker, Phyllis. She cried tears of joy. That moment inspired Fred to build a company that could do that for everyone—freeing people from busywork so they could focus on meaningful work. ...

    Software Engineer (UK/Europe) in London Unibuddy

    Software Engineer (UK/Europe) London, United Kingdom Posted 9 months ago Tech stack UI TypeScript Python Accessibility GraphQL Amazon AWS MongoDB Software Engineer NestJS < ...

    Junior Mid Software Developer Hybrid

    Associate Consultant at Candour Solutions Location: Leeds City Centre (Hybrid – 2 days office / 3 days remote) Contract: Full-time, Permanent About the Role We are seeking a motivated and technically curious Junior–Mid Software Developer to join our expanding development ...

    Backend Engineer II Java/Spring, Scale & Observability

    Tesco UK is seeking a Software Development Engineer II to join their Lists and Substitutions Team. You will develop backend APIs using Java and Spring Boot and contribute to enriching customer shopping experiences. This role offers a collaborative environment with opportunities for growth in backend engineeri ...

    Senior Java Engineer Scalable Fulfilment Platform

    Tesco UK is seeking a Software Development Engineer (SDE) to join their team in Welwyn Garden City. This role focuses on designing, developing, and implementing a next-generation customer fulfillment system using Java and Spring Boot, aimed at optimizing warehouse operations. Ideal candidates will possess hands- ...

    Senior Java Backend Engineer – Pricing API (London)

    Salt is seeking a Senior Java Software Engineer in Greater London for a 6-month stint focused on designing and scaling a high-performance pricing API. This role involves tackling engineering challenges and contributing to a solution that serves over 28 million UK customers weekly. The ideal candidate w ...

    Lead Java Backend Engineer: AI & Event Driven FX Systems

    Citi is seeking an experienced software engineer to design, develop, and maintain high-performance Java services. This role will involve applying modern backend design principles, including Domain-Driven Design, while collaborating with cross-functional teams to address complex business needs. Successf ...

    Senior / Principal Akka Consultant

    OverviewProven hands-on software development experience (Java or other JVM-based languages).QualificationsExperience in software development with Java or other JVM-based languages. Level options: up to 1 year; 1–3 years; 3–5 years; more than 5 years. ...

    Graduate Software Engineer Remote Android Apps

    A leading technology company in Glasgow seeks a Graduate Software Engineer to develop cutting-edge mobile applications. This role involves writing Java and participating in the complete software development life cycle while working in an agile team environment. Ideal candidates are recent graduates with strong c ...

    Graduate Software Engineer JS/TS, Vue & C#/.NET

    Java Script Works is seeking a Graduate Software Engineer based in Hessle, United Kingdom. The successful candidate will be involved with modern JavaScript frameworks, particularly Vue.js, and should have knowledge of writing or maintaining tests, and .NET development experience. This full-time role promises com ...

    Senior Java Engineer Flight Booking & Scalable Systems

    Datalex is seeking a Senior Software Engineer in Manchester, United Kingdom. The role requires a minimum of 5 years of professional Java development experience, with a strong focus on complex flight booking structures and building highly available, scalable applications. This full-time position offers competitiv ...

    Remote Full Stack Java Engineer | Spring Microservices

    A leading software security company is seeking a Java Software Engineer to join their Agile Product team. The role focuses on developing customer-facing features in a collaborative environment, using Java8/11, Spring, and modern cloud platforms. Successful candidates will benefit from flexible working arrangemen ...

    Backend Engineer III Fintech Platform, Cloud Native

    A leading global financial services firm in London seeks a Software Engineer III to join their Accelerator business. You will develop innovative products and tackle real-world problems in a collaborative environment. Strong skills in software development (Java/Kotlin) and a passion for fintech are essential. The ...

    Senior Python Engineer | SQL/ORM, CI/CD, Product‑minded

    Java Script Works is seeking a highly experienced Software Engineer in Cambridge with expertise in advanced Python and product management. You will be responsible for developing innovative software solutions and collaborating closely with product teams. The role offers a competitive salary ranging from ...

    Junior Platform / System Engineer

    Team / Role As a Platform Engineer, you will: Act as infrastructure SME for a 24x7x365 globally distributed ethical web scraping function, supporting a multi region high frequency operation Be able to proactively analyze, drive, and own, performance and process impro ...

    Camunda Lead Full Stack Developer London, UK Full time Hybrid

    Camunda Lead Full Stack Developer Location: London, UK About the Job you are considering: We are seeking experienced Camunda Lead Full Stack Developer with strong expertise in banking domain who will oversee the planning, execution, and successful delivery of projects. < ...

    Senior .NET Developer

    Senior .NET Developer is required by fast growing and highly successful technology consultancy. (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure SQL, .NET MAUI, GitHub Copilot, Docker, Kubernetes, Microservices architecture, React, TypeScript, Programmer, Full Stack Engineer, Ar ...

    Lead Software Engineer KDB Vice President

    We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorgan Chase within the Commercial & Investment Bank you are an integral part of an agile team that works to enhance, build, and deliver trusted m ...

    Sr Lead Software Engineer KDB+ / Q

    We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorgan Chase within the Commercial & Investment Bank you are an integral part of an agile team that works to enhance, build, and deliver trusted m ...

    Senior Java Engineer Distributed Systems (Elasticsearch)

    Elasticsearch B.V. is seeking a Senior Software Engineer to enhance their Distributed Systems team. This role entails improving components for concurrent indexing and maintaining cluster coordination systems for optimal performance. Successful candidates will possess a strong background in distributed ...

    Senior Java Engineer Distributed Systems Elasticsearch

    What is The Role: We are on the lookout for a Senior Software Engineer to join our Elasticsearch - Distributed Systems team and focus on how Elasticsearch provides scale, performance, and resilience. This team owns how nodes in an Elasticsearch cluster communicate, and how data ar ...

    Junior Java Backend Engineer APIs & Microservices

    IDEMIA Group in the United Kingdom is seeking a graduate or early-career developer to enhance backend engineering skills. This role involves working on secure, large-scale government projects, utilizing Java, APIs, and modern engineering practices. The ideal candidate has 1-2 years of development exper ...

    Remote Java Engineer — Energy CRM & Billing

    A staffing and recruiting agency seeks a Mid-Senior Java Engineer to enhance their CRM and billing platform. This remote-first role involves developing new features, maintaining the platform, and contributing to a supportive team culture. Ideal candidates possess strong Java experience, particularly with Spring ...

    Java Backend Engineer Dataflow & Ads Platform

    LoopMe is seeking a Java Backend Engineer - Dataflow to join their team in the United Kingdom. The role involves working with technologies like Java, PostgreSQL, and Kafka to optimize performance and enhance cloud infrastructure. Candidates should have a strong foundation in backend systems and data processing. ...

    Senior Java Automation Engineer, FX eTrading

    **_Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we bu ...

    Lead Java Engineer (VP) PACE Platform

    **About this role** PACE (Private Asset Calculation Engine) is BlackRock's strategic analytics engine powering alternative investments performance and risk analytics across eFront tools. Built on a Java/Spring Boot microservices architecture with gRPC communication, PACE processes billions in ...

    Senior Director of Software Engineering

    Job Description As a Senior Director of Software Engineering at JPMorgan Chase within the Commercial and Investment Bank Global Equity Derivatives Sales Technology team, you will lead a technical area and promote impact across teams, technologies, and projects within various departments. You will ...

    Associate Solutions Architect Intern 2026

    DescriptionAmazon Web Services (AWS) is the world's leading cloud computing platform, helping millions of customers—from startups to global enterprises—build and run applications without managing physical servers. Cloud computing allows organizations to access computing power, storage, and other technology s ...

    Senior Engineers II React/React Native | UK + EU (remote)

    About Cleo At Cleo, we’re not just building another fintech app. We’re on a mission to fundamentally change humanity’s relationship with money. Imagine a world where everyone, regardless of background or income, has access to a hyper‑intelligent financial advisor in their pocket. That’s the ...

    Staff Software Engineer Commercial Trading

    As a Staff Software Engineer in Commercial Trading, your expertise will help us on this journey, creating solutions for the business that are robust and scalable, with good observability and metrics, following best‑in‑class engineering practice. What You’ll Do Develop, test, and deb ...

    Data Science Software Engineer Hybrid

    A leading defence organisation is looking for a talented Software Engineer in the UK. In this role, you will design and develop scalable software systems with integrated data science capabilities and work on complex datasets to derive insights. The position offers a salary around £65,000, dynamic hybrid working ...

    Senior Java Engineer Customer Fulfilment (Cloud)

    Tesco is looking for a Senior Software Development Engineer to design and deliver innovative software applications that simplify tasks for customers. This role involves developing software solutions using Java, working with cloud technologies like Azure, and ensuring high-quality documentation. You wil ...

    Senior AI Driven Software Engineer – Multi Agent Systems

    A leading software development company in Greater Manchester is seeking a Senior Software Engineer specializing in AI-enabled engineering. This role requires over 5 years of experience in software engineering and proficiency in Java, TypeScript, and MySQL. The candidate will design multi-agent systems and refine ...

    Java Backend Engineer II — Growth in Secure, Scalable Apps

    A prominent financial services firm in Glasgow is seeking a Software Engineer II to enhance and deliver software components securely. This role involves Java development and technical troubleshooting in a collaborative team environment. Ideal candidates have formal software engineering training and hands-on expe ...

    Java & Python Engineer — Full Stack Innovator

    A global financial services firm based in Glasgow is seeking an Experienced Software Engineer to work within their Agile team. You will design and deliver technology products, participate in system design, and contribute to software engineering communities. Proficiency in Java or Python is essential, along with ...

    Senior Software Engineer – Secure, High‑Assurance Projects

    Searchability is seeking a Senior Software Engineer to join a leading cyber and national security organization in the UK. This role involves designing and developing secure, high-assurance software solutions that support national security operations. The ideal candidate should have strong experience in ...

    Defence Tech Principal Engineer — Lead & Architect

    SR2 | Socially Responsible Recruitment in Newcastle upon Tyne is seeking a Principal Software Engineer to shape the technical direction of a growing defence practice. You will lead software delivery across complex programmes, define engineering standards, and mentor high-performing teams. The ideal can ...

    London based VP Lead Software Engineer: AI‑Driven XVA

    Citi is seeking a Lead Software Engineer at the Vice President level to join their XVA Technology team in London. This hands-on position requires deep expertise in software engineering and AI to drive technology projects and enhance risk management systems. The ideal candidate will have extensive softw ...

    Senior Software Engineer – Defence Systems Lead

    Cicor Group is seeking a talented Senior Software Engineer to join our dynamic Programmes Division in Gosport. In this crucial role, you will lead software development efforts, ensuring high-quality solutions for our defence programmes. The ideal candidate will have a degree in Software Engineering or ...

    Ads Platform Solutions Engineer

    TikTok is seeking a Software Engineer to join their Solutions Engineering team in Greater London. In this role, you will build and deliver high-quality software solutions, mainly focusing on supporting advertisers using TikTok's Ads platform. The ideal candidate will have a Bachelor's degree in Compute ...

    Java Cloud Engineer – SC Cleared, Unit Testing

    Searchability is looking for a Software Engineer to join their Agile Scrum team in Guildford. You will develop scalable cloud applications and enhance next-generation Geospatial software solutions. The ideal candidate will have strong Java skills, experience in cloud services, and a solid understanding ...

    Executive AI Governance Platform Architect

    JPMorganChase in Bournemouth seeks a Principal Software Engineer to design and build platforms for AI Governance Engineering. The role involves developing best-in-class tooling, integrating compliance into workflows, and mentoring other engineers. Ideal candidates will have extensive software engineering experie ...

    Senior Data Integration Platform Engineer

    DRW Holdings, LLC. is looking for a Senior Software Engineer specializing in Data Integration, located in London. The ideal candidate will have 8+ years of experience in developing data-heavy software and expertise in Python, Java, or C#. Responsibilities include designing software services, driving architectura ...

    Senior Platform Engineer AI Driven DevOps & Infra

    A leading AI software delivery platform is seeking an experienced Infrastructure as Code Management engineer in Belfast. This role involves designing, developing, and maintaining critical software solutions while mentoring teams. Candidates should have over 7 years of experience in Java and Golang, strong analyt ...

    Senior Backend Engineer Cloud Native Microservices (Java)

    A leading global financial services firm in Greater London is seeking a Software Engineer III to join its International Consumer Bank team. This position requires expertise in Java and cloud-native microservices, with responsibilities including creating secure, high-quality software and collaborating with divers ...

    Platform Engineer, Apollo Deployment & Orchestration

    A leading tech company in the UK is seeking a Software Engineer for their Apollo platform. This role involves building software at scale, collaborating closely with teams to solve complex problems, and participating throughout the product lifecycle. Ideal candidates will have experience in software engineering, ...

    🚀 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 →

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