• United Kingdom Jobs Expertini profile avatar

    • Lead Software Engineer Java Spring Boot React Jobs in UK

    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. Lead Software Engineer Java Spring Boot React Jobs in United Kingdom

    5. Download PDF

    Reset

    Create Job Alert
      Add Alert

     
     
    Create Alert
     
    Reset

    Senior Backend Engineer — Java, Cloud, Remote‑First

    A leading travel technology company is seeking a Senior Software Engineer with strong Java proficiency to join their team. This role offers a flexible remote-first working environment and the opportunity to work on innovative travel solutions. Ideal candidates will have experience in backend development and coll ...

    Remote First Senior Backend Engineer — Java & Serverless

    A global educational technology firm located in Manchester is seeking a Senior Backend Engineer with extensive experience in backend development, especially in Java and serverless technologies. In this role, you will design scalable backend services, develop RESTful APIs, and collaborate with cross-functional te ...

    Senior Java Engineer Distributed Risk Calculation Engine

    A leading financial services company is seeking a Senior Engineer to develop the calculation engine for their XiP platform, responsible for extensive risk calculations. The role involves mentoring team members, optimizing performance, and ensuring scalable operations. Candidates should have extensive experience ...

    High Performance Java Engineer for Banking/Trading

    An established industry player is on the lookout for specialist Java engineers to work on high-performance, low-latency systems for major financial institutions. This role involves building and maintaining cutting-edge Java applications, optimizing performance, and collaborating with a dedicated team to drive in ...

    Senior Backend Engineer—Java + Serverless, Scalable Systems

    Turnitin is looking for a Senior Backend Engineer in Manchester focused on backend development using Java and serverless architectures. The successful candidate will design and optimize scalable shared backend services and contribute to frontend components. Essential qualifications include over 8 years of backen ...

    Remote First Senior Backend Engineer — Java & Serverless

    An educational technology company is seeking a Senior Backend Engineer in Leeds to design and implement scalable backend services primarily using Java and serverless architectures. The ideal candidate will have over 8 years of experience in backend development and a solid knowledge of frontend technologies. This ...

    Senior Java Engineer Low Latency FICC eTrading

    Bank of America is seeking a Senior Developer in Bromley, UK, to join the FICC Macro Rates Electronic Trading Technology team. The role involves developing and enhancing low-latency components for the global Rates eTrading platform. Candidates should have strong Java skills, experience in multi-threaded applicat ...

    Backend Engineer III — Java, Spark/Databricks & API

    A global information and analytics company seeks a Software Engineer III to develop Java-based backend services and implement Scala/Spark pipelines for metric computations. This role emphasizes collaboration within a cross-functional team and requires experience with RESTful APIs. Flexible working hours are offe ...

    Senior Backend Engineer, Core Java – Remote UK

    A leading online review platform is seeking a Remote Backend Engineer to enhance tools for Java services development and improve the developer experience. You will collaborate with cross-functional teams and take full responsibility for projects from day one. Candidates should have strong proficiency in Java, Sc ...

    Senior Backend Engineer, Core Java – Remote UK

    A leading local business data platform is seeking a remote backend engineer to build and maintain tools for Java services. The candidate should have strong skills in Java, Scala, and/or Kotlin, with experience in a collaborative environment. This role offers full responsibility for projects, competitive salary, ...

    Senior Python/Java Engineer — Cloud & AI Innovator

    JPMorgan Chase & Co. is looking for a Senior Python Engineer in London to enhance and deliver technology products. This role involves developing secure production code, optimizing semantic search workflows with AI, and serving as a subject matter expert in cloud deployment. Candidates should have advanced Python ...

    Senior Java Microservices Engineer — Shape UK Fintech

    Uniting Ambition is establishing a new team of engineers in Manchester to work on a modern life and pension platform. This role involves designing and building REST APIs, contributing to the UK tech roadmap, and supporting team growth. Candidates should have industry experience in finance or fintech and preferab ...

    Senior Backend Engineer, Core Java – Remote UK

    A leading local business data company in the UK is seeking a backend engineer to build tools for Java services. You'll be responsible for improving the developer experience and collaborate with cross-functional teams. Ideal candidates are proficient in Java, Scala, or Kotlin and have experience in creating scala ...

    Senior Java Backend Engineer – Remote/UK FinTech

    A leading global fintech is seeking a Senior Java Software Engineer to join their remote-first UK team. You will design and develop cloud-based backend services and mentor junior engineers while influencing technology choices. Applicants should have over 6 years of experience in software engineering with a stron ...

    Java Cloud Engineer — SC Cleared, AWS & Microservices

    Join a forward-thinking technology consultancy that values autonomy and collaboration. As a Java Cloud Developer, you'll leverage your expertise in Java and AWS to deliver high-quality code and streamline software delivery processes. You'll be responsible for all aspects of your code, from development to product ...

    Remote First Senior Backend Engineer — Java & Serverless

    An innovative technology company based in Newcastle upon Tyne is seeking a Senior Backend Engineer to lead backend service development using Java and serverless solutions. The ideal candidate will have over 8 years of backend experience, with strong proficiency in AWS technologies and frontend capabilities. You ...

    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 ...

    High Performance Java Engineer for Banking/Trading

    An established industry player is on the lookout for specialist Java engineers to work on high-performance, low-latency systems for major financial institutions. This role involves building and maintaining cutting-edge Java applications, optimizing performance, and collaborating with a dedicated team to drive in ...

    AVP Java Fullstack Engineer: Financial Crime Innovation

    Barclays is looking for a Java Fullstack Engineer at AVP level in Glasgow, United Kingdom. This role will involve shaping the future of financial crime prevention through the Integrated financial crime program. The ideal candidate will collaborate with cross-functional teams, maintain code quality, and have expe ...

    Senior Full Stack Engineer (Java/Angular) Microservices

    hackajob collaborates with BNY to seek a Senior Specialist, Full-Stack Engineer in Manchester. The role requires expertise in Core/Advanced Java, Angular, and microservices development. Candidates will design and implement microservices, create user interfaces, and ensure integration between components. BNY offe ...

    AVP Java/Kotlin Platform Engineer – Prime Brokerage

    Citigroup Inc. is seeking a talented engineer to join their Prime Brokerage Technology team. This role involves ownership of development components within the Core Prime Brokerage platform, with a focus on Java and Kotlin. You will collaborate on agile processes and contribute to ongoing software enhancements. C ...

    Senior Backend Engineer—Java + Serverless, Scalable Systems

    Turnitin is looking for a Senior Backend Engineer in Manchester focused on backend development using Java and serverless architectures. The successful candidate will design and optimize scalable shared backend services and contribute to frontend components. Essential qualifications include over 8 years of backen ...

    Backend Java Engineer — Public Sector (Flexible/Hybrid)

    IBM Computing is seeking a Backend Java Developer based in Greater London to design and deliver high-quality applications using Java/JEE and modern web technologies. The role involves building components, integrating systems, and applying best practices like TDD and CI/CD among others. IBM promotes a flexible an ...

    Senior Java Backend Engineer Scalable APIs & Microservices

    Vallum Associates is seeking an experienced Backend Developer to build and maintain scalable, high-performance backend services and APIs for a microservices-based trading platform. The ideal candidate will have over 5 years of experience in backend development with Core Java, strong skills in building scalable A ...

    Staff Java Engineer – Supply Chain, AI & Microservices

    hackajob is seeking a Staff Engineer to work with Sainsbury’s, focusing on technical design and mentoring within engineering teams. You will help drive the architectural solutions for complex supply chain systems leveraging your expertise in Java, Python, and microservices. The ideal candidate should demonstrate ...

    Senior Python/Java Engineer — Cloud & AI Innovator

    JPMorgan Chase & Co. is looking for a Senior Python Engineer in London to enhance and deliver technology products. This role involves developing secure production code, optimizing semantic search workflows with AI, and serving as a subject matter expert in cloud deployment. Candidates should have advanced Python ...

    Java Backend Engineer – Kafka API (Hybrid, London)

    Client Server in Greater London is looking for a Java Developer to work on cutting-edge technology within the financial services sector. This role offers a salary of up to £90k, hybrid working model with 2 days WFH weekly, and excellent perks such as private medical care, pension, and gym membership. You will ha ...

    Senior Java Backend Engineer — Build Scalable APIs

    A leading technology company in Southampton is seeking a Senior Backend Engineer to evolve its Unified Profile service. The successful candidate will design and build robust, API-driven services, ensuring a seamless experience across multiple products. With an attractive salary range of £75,000-90,000, the role ...

    Senior Java Algo Engineer Fixed Income Trading

    Citigroup Inc. seeks an experienced software engineer for its Fixed Income Algo technology team in Greater London. You will design reusable trading platform components and collaborate with traders and product managers to implement enhancements. The ideal candidate has extensive Java experience, understands distr ...

    Senior Java Engineer — High Throughput Trading Systems

    A leading metals exchange in London is seeking a Senior Engineer to enhance their Inter-Office Trading platform. The role involves developing resilient integrations, automating test tooling, and collaborating with stakeholders to improve efficiency. Candidates should have over 5 years of Java development experie ...

    VP, Low Latency FX Trading Engineer (Java)

    A prominent financial firm is seeking an Electronic FX Strategist to drive FX market making and algorithmic trading development. You will collaborate with teams in London and Singapore to provide innovative solutions for clients in a dynamic environment. Candidates should have strong Java skills, financial marke ...

    Senior Java Engineer Flexible Hybrid Cloud & AI

    A global technology company in the UK is seeking a Software Developer to work within their Consulting Client Innovation Centers. The role involves designing, developing, and maintaining applications using Java and related frameworks. Candidates should have experience with API integration, CI/CD practices, and pr ...

    Java JEE Engineer – Real Time Payments Platform

    A high-growth global fintech is seeking a Software Engineer II in Glasgow to develop and maintain robust transaction processing systems. The role requires expertise in Java-JEE and a solid understanding of secure web applications. Candidates should be comfortable in cloud environments and familiar with modern de ...

    Senior Java Engineer Low Latency Trading Platform

    Bank of America is seeking a Software Engineer III in Bromley, focusing on Electronic Trading Technology. This role involves delivering key functional changes, collaborating with quantitative traders, and participating in the full development lifecycle. Candidates should have excellent communication skills and a ...

    Senior Java Backend Engineer – Cloud Native Microservices

    A leading financial institution in London is seeking a Senior Java Developer for a 10-month onsite contract. The role involves designing, building, and maintaining Java-based backend systems, with a focus on cloud-native and microservices architectures. The ideal candidate has hands-on experience with Java, clou ...

    Senior Java Engineer, Low Latency Payments Systems

    A dynamic technology consulting firm based in the UK is on the lookout for an experienced Java Developer. The role requires expertise in Core Java and SpringBoot, focusing on developing high-throughput systems in the payments processing domain. Responsibilities include designing and optimizing backend systems, b ...

    Senior Java Engineer Low Latency Trading Systems

    Grid Dynamics Holdings is looking for Senior and Principal Java Developers with strong Java expertise and experience in low-latency systems. You will work on critical applications that demand high performance, scalability, and reliability within a motivated team. The role involves writing and tuning high-perform ...

    Backend Java Engineer Build Scalable Systems & Mentor

    An innovative firm is looking for a mid-level Back End Java Engineer to join their dynamic team. In this role, you will design, develop, and maintain robust backend systems, collaborating with cross-functional teams to deliver high-quality features. With a strong emphasis on Java, you will also mentor junior eng ...

    Senior Java/Python Engineer Build Scalable Systems

    A leading financial institution in Glasgow seeks Experienced Software Engineers to join their Global Technology team. In this role, you will design and deliver innovative technology products while working within an agile team to enhance banking solutions. Candidates should possess strong Java or Python skills, e ...

    Senior Java Engineer Onsite London (6mo Contract)

    A leading technology company is looking for experienced Java developers to join their team in London. You'll be involved in all delivery areas, mentoring a team and driving innovation. The role requires expertise in Java and cloud-based technologies, with a focus on collaboration and continuous improvement. This ...

    Senior AWS Java Engineer — Cloud, Lambda & DynamoDB

    A recruitment firm in the UK is looking for a candidate with expertise in AWS services, programming skills in Kotlin/Java, and a strong understanding of security principles within AWS. Essential skills include fluency in NodeJS, TypeScript, and experience with SQL and NoSQL databases. This role offers the opport ...

    Senior Java Engineer — GCP & Big Data (Hybrid)

    VanRath is seeking an experienced Java Contractor to join their team in Belfast (Hybrid - 2 days per week onsite). The role involves developing and maintaining high-performance Java applications in a leading global FinTech organisation. Candidates should have strong experience in Java and Google Cloud Platform, ...

    Senior Backend Engineer, Core Java – Remote UK

    A leading technology company is looking for a remote backend engineer to enhance their Java tools and developer experience. You will be responsible for building and maintaining essential tools, collaborating across teams, and executing technical visions. Proficiency in Java, Scala, or Kotlin is required, along w ...

    Senior Java Engineer: Hybrid Cloud & AI Solutions

    IBM is seeking a Senior Java Developer in Leicester to support Public Sector and Defence clients by designing and building applications using Java/JEE. You will develop application features, integrate systems, and utilize best engineering practices including dependency injection and CI/CD. Ideal candidates will ...

    Senior Java Engineer Remote, Flexible Hours, Growth

    A leading digital consultancy in the UK seeks a talented software engineer to develop RESTful Java APIs and collaborate with cross-functional teams to deliver outstanding solutions. You will play a key role in the success of various client projects, mentoring your team and advocating for best engineering practic ...

    Senior Java Engineer Remote, Flexible Hours, Growth

    A leading digital consultancy in the UK seeks a talented software engineer to develop RESTful Java APIs and collaborate with cross-functional teams to deliver outstanding solutions. You will play a key role in the success of various client projects, mentoring your team and advocating for best engineering practic ...

    Senior Java Engineer Remote, Flexible Hours, Growth

    A leading digital consultancy in the UK seeks a talented software engineer to develop RESTful Java APIs and collaborate with cross-functional teams to deliver outstanding solutions. You will play a key role in the success of various client projects, mentoring your team and advocating for best engineering practic ...

    Senior Java Engineer Remote, Flexible Hours, Growth

    A leading digital consultancy in the UK seeks a talented software engineer to develop RESTful Java APIs and collaborate with cross-functional teams to deliver outstanding solutions. You will play a key role in the success of various client projects, mentoring your team and advocating for best engineering practic ...

    Senior Backend Engineer, Core Java — Remote UK

    A leading local business data platform in the UK is seeking a Backend Engineer to enhance tools for Java services. The role involves developing productivity tools while working with a collaborative team. Ideal candidates should be proficient in Java, Scala, or Kotlin, with experience in building libraries, and h ...

    Senior Backend Java Engineer Sports Data Pipelines

    A leading sports media network in Greater London is seeking a Senior Backend Java Engineer to develop and maintain backend services crucial for processing sports data feeds. In this role, you will work closely with the Tech Lead and collaborate with frontend teams to ensure the reliability and scalability of our ...

    🚀 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 →

      Lead Software Engineer Java Spring Boot React Jobs in United Kingdom Job Search Guide, Trends and Insights