Java Developer Java React Springboot Jobs in London, UK

Professional job seekers finding United Kingdom jobs through Expertini
750,000+ professionals on Expertini 750,000+ Candidates
Join our global community
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.

Reset

Create Job Alert

 
   
Reset

Senior Lead Software Engineer Python / Java

Senior Lead Software Engineer - Python / Java LONDON, LONDON, United Kingdom Job Description 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 Quant ...

Lead Cloud Platform Engineer — Java & Python

JPMorgan Chase & Co. is hiring a Lead Software Engineer in Public Cloud Engineering based in London. You will set architectural direction, guide system design, and drive engineering excellence using core languages like Java, Go, and Python. The role emphasizes cloud-native experience, proactive engagement with A ...

Senior Java Architect for AI Systems

Matillion is hiring a Senior Staff Software Engineer to work on the Maia team, specializing in agentic AI systems and driving architectural decisions. The successful candidate will lead the development of innovative AI features and mentor engineers while collaborating with product and data science teams. This ro ...

Senior Java Architect – Scalable Payments & Microservices

Wise in Greater London is looking for a Senior Software Engineer II to drive architecture and scalability within its global payment network. The role requires deep expertise in Java and Spring Boot, focusing on highly scalable services aligned with Wise’s microservices architecture. Responsibilities include lead ...

Senior Java Engineer Trading Systems & Execution

Isamcapitalmarkets is seeking a talented Java Developer to join the Helix Technology team in Greater London. The role involves managing the ISAM Helix Trading System, focusing on trade execution and collaboration with brokers to refine algorithmic execution. The ideal candidate will have a degree in a ...

Java Low Latency Systems Engineer (London)

WorksHub is seeking a Java Low-Level/Low Latency Engineer in London, United Kingdom. The ideal applicant will possess a deep understanding of systems-level programming with proficiency in Java, Rust, C, or C++. Experience with manual memory management, concurrency, and multithreading is essential. This full-time ...

Senior Java Engineer Platform Team (London)

ITRS is seeking a Senior Java Software Developer to join their London team. This full time position involves reporting to the Engineering Manager and working within the Platform Team as part of a global Engineering organization. The company, located in Greater London, provides risk mitigation solutions to major ...

Java Engineer: Algorithmic & High Performance Systems

Millennium is seeking a Java Developer to join our high-performing Algorithmic Development team in London. The ideal candidate must possess strong hands-on Java skills with an understanding of concurrent and multi-threaded application environments. This is a full-time role that presents an excellent opportunity ...

Senior Java Search Platform Engineer (Kubernetes)

Elsevier is seeking a Senior Software Engineer I to join their Search Platform team in Greater London. This role focuses on backend search service design and building reliable, cloud-native systems. Ideal candidates have strong backend engineering experience, practical knowledge of search technologies like Elast ...

Staff Backend Java Engineer – Technical Lead

Mindera is looking for a Lead / Staff Backend Java Engineer in London to take on a key technical leadership role. The successful candidate will work closely with architects, product managers, and cross-functional teams to design and implement scalable solutions. This full-time position offers competitive compens ...

Senior Software Engineer Java & Search Platform

Senior Software Engineer I – Search Platform About the role We are seeking a Senior Software Engineer I to join the Search Platform team within Elsevier’s Search and AI Platform. This role is well suited to an experienced backend engineer with hands‑on search experience who enjoys build ...

Lead Java Engineer Market Data London

Man Group is a global alternative investment management firm focused on pursuing outperformance for sophisticated clients via our Systematic, Discretionary and Solutions offerings. Powered by talent and advanced technology, our single and multi-manager investment strategies are underpinned by deep research ...

Fintech QA Automation Engineer (Selenium, Java)

Java Script Works is seeking a QA Engineer to develop testing frameworks and collaborate closely with the development team. The ideal candidate will have strong skills in JavaScript, along with expertise in automation tools like Selenium and a solid understanding of Angular.JS. This role is crucial in ...

Senior Java Software Engineer Payment Schemes

Hybrid Working We have a Hybrid approach to working here at Starling - our preference is that you're located within a commutable distance of one of our offices so that we're able to interact and collaborate in person. Engineering Environment Starling engineers are excited about ...

Software Development Engineer — Java/C | London

Amazon UK Services Ltd. is seeking a Software Development Engineer for its Prime Tech Hub in London. Candidates should have 3+ years of professional development experience and proficiency in programming languages like C and Java. This full-time role offers competitive compensation, but visa sponsorship is not pr ...

Front Office Java Engineer Algo Trading

Group Strategic Analytics (GSA) is part of Group Chief Operation Office (COO) which acts as the bridge between the Bank’s businesses and infrastructure functions to help deliver the efficiency, control, and transformation goals of the Bank. You will join the Quantitative Fixed Income Engineering team w ...

VP Java Engineer – Trading & Securities Lending

A global financial institution is seeking a highly motivated software engineer for their Equities Technology team in London. The role requires 6-10 years of experience in application development with strong Java skills. Responsibilities include resolving complex problems, providing expert guidance in application ...

Senior Java Engineer Hybrid Cloud & AI

A leading technology company in Greater London is seeking a Senior Java Developer to support Public Sector and Defence clients. The role involves designing and building high-quality applications using Java and JEE technologies. Ideal candidates will have experience with modern frameworks like Spring and be famil ...

Lead Software Engineer Java/Back End

Overview We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. Job responsibilities Executes creative software solutions, design, development, and technical troubleshooting with ability to think beyond routi ...

Backend Engineer (Java) Up to £60k

Hybrid-Remote: City of London (1-2 days per week) Did you know conditions like Dementia and Parkinson’s disease affect millions globally, yet care is still largely reactive? We’re working with a pioneering startup changing that. This team is building the world’s most advan ...

Senior Java Engineer Post Trade Systems

A global financial services firm in Greater London is seeking a Java Engineer to design and develop scalable applications and microservices. The role includes integrating real-time data processing and supporting containerization efforts. Ideal candidates have strong Java skills and experience with Spring Boot, r ...

Java Engineer: Streams, Concurrency & Distributed Systems

This is a job posted by our partner Jooble Below is a snippet of the job description. To read the full text, please click on the Apply Now link. £50,000 - £80,000 per year Requirements We are looking for a strong core Java developer with expertise in streams, lambdas ...

Senior AWS/Java Engineer — Hybrid, London

A leading tech recruitment firm in London is looking for a Senior Engineer specializing in AWS and Java. You will design and build serverless features, mentor junior engineers, and lead code reviews. The ideal candidate has experience with distributed systems and a collaborative mindset. This role offers a compe ...

Senior SDET (Java & Selenium) — Hybrid London

A leading energy company is seeking a Senior Software Development Engineer in Test to design and maintain automated testing frameworks. You will play a key role in building enterprise-level testing solutions and integrating best practices within the Agile framework. The position offers a competitive salary of £6 ...

Senior Java Backend Engineer — Hybrid London

A fast-growing technology organisation in London is seeking a skilled Java Backend Developer for a full-time permanent role. You will design and maintain backend services and APIs, focusing on security and scalability. The ideal candidate has over 4 years of experience with Java and expertise with Spring Boot. T ...

Java AI Engineer: Scalable Backend & ML

A technology consultancy in Greater London is seeking a skilled Java Engineer with AI expertise to design and deploy intelligent applications. This role combines backend engineering and AI, requiring strong experience in Java, Spring Boot, and microservices. Responsibilities include integrating AI/ML models and ...

Senior Lead Java Engineer – SwapClear Interfaces

A leading global financial markets infrastructure provider is seeking a talented Senior Lead Java Engineer in London. This role involves leading the design and development of critical Java applications in an Agile environment. The ideal candidate should have extensive experience with Java 17+, Spring frameworks, ...

Senior Software Engineer I Investments Java

Company Description Wise is a global technology company, building the best way to move and manage the world’s money. Whether people and businesses are sending money or making international payments, we aim to make lives easier and save them money. We build an entirely new network for the world’s ...

Java Engineer: High Performance Trading Systems

A finance technology firm in Greater London is looking for a Java Developer to enhance electronic trading systems in a fast-paced environment. The role involves developing backend services that ensure high-volume trading, improving performance and scalability, and working closely with product and trading teams. ...

Senior Backend Engineer Fintech, Java/Kotlin

Lead Software Engineer - Backend Engineering - Java/Kotlin LONDON, LONDON, United Kingdom Job Information Job Identification Job Category Software Engineering Business Unit Corporate Sector Posting Date 01/14/2025, 08:19 AM Locatio ...

Senior Java Backend Engineer Platforms & ML

Sign in to set job alerts for “Java Software Engineer” roles. 70,000+ Java Software Engineer Jobs in United States Software Engineer (L5) - Experimentation Platform Software Engineer (L5) - Experimentation Platform Software Engineer - Open Connect Control Plane So ...

Backend Engineer, Payments Platform (Java/Kotlin)

hackajob is collaborating with Wise to connect them with exceptional professionals for this role. Company Description Wise is a global technology company building the best way to move and manage the world’s money. With minimal fees and maximum ease, we help people and busi ...

Senior Software Engineer II Investments Java

Senior Software Engineer II - Investments - Java Full-time Compensation: GBP 105,000 - GBP 130,000 - yearly Wise is a global technology company, building the best way to move and manage the world’s money.Min fees. Max ease. Full speed. Whether people ...

Senior Backend Engineer, FinTech Payments (Java)

A leading financial technology company based in the UK is seeking a backend engineer to join its newly-formed Acquiring Platform team. This role focuses on developing infrastructure for merchant payment solutions, including integrations with popular payment methods like Google Pay and Apple Pay. Ideal candidates ...

Senior Software Engineer Java & Cloud (London)

Hong Kong Exchanges is looking for a Senior Engineer based in Greater London. This role focuses on engineering Inter-Office integrations for the LMEsmart trading platform. The ideal candidate will have over 5 years of software development experience, particularly in Java, alongside a strong understanding of clou ...

Electronic FX Strategist (Java) Vice President

Overview Job title: Electronic FX Strategist Corporate Title: Vice President Department: Wholesale Digital Office, Global Markets Location: London (Hybrid) Role Description FX Strategy and Electronic Market Making within No ...

VP, Electronic FX Strategy & Java Trading

Nomura is seeking an Electronic FX Strategist, Vice President, in London with a hybrid work model. This role focuses on FX strategy and electronic market making within the Global Markets division. Responsibilities include developing FX market making strategies and collaborating with sales and trading teams. < ...

Remote Senior Java/Kotlin Engineer — Microservices

Intelligent Steps is seeking a Senior Java Developer with experience in Kotlin. This role entails designing robust Microservices Architecture in an automated, data-driven environment. The ideal candidate is passionate about clean code and scalable solutions. This position offers an initial 6-month cont ...

Senior Software Lead & Architect (Java/Python)

JPMorganChase is looking for a dedicated software engineer to lead the design and development of scalable systems using Java or Python. The ideal candidate will drive technical decisions and mentor junior team members while upholding a culture of diversity and inclusion. With extensive experience in ap ...

Principal Java Engineer – Payments Platform (Hybrid)

La-Fosse-1 is looking for a Principal Java Engineer for a 6-month contract based in Paddington. This hands-on role will involve designing and developing scalable backend services for secure payment transactions while being part of a dynamic engineering team. The ideal candidate will have expertise in J ...

Principal Engineer Java in London Burendo

Principal Engineer - Java London, United Kingdom Posted 10 months ago Burendo is a consultancy that helps organisations build more adaptable, innovative capabilities and helps optimise organisations to deliver highest possible return on investment. Burendo believes in leading the ...

Remote Graduate Software Integrator Java/SQL

Graduate Recruitment Bureau is looking for a Graduate Software Integration Developer to work remotely. This full-time position offers up to £35K in compensation, along with excellent training and a structured career path. You will support the client's integration platforms, including Java and .Net, and regularly ...

Senior Software Engineer, Investments Platform (Java)

hackajob is seeking a Product Manager to help develop a new financial management network. You will prioritize customer needs and define the product's features and technical foundation. The ideal candidate will have a strong product mindset, excellent communication skills, and experience in web applicat ...

Senior Quant Trading Engineer Java & Crypto

Quant Capital is urgently hiring for a Senior Software Engineer specializing in Quant Trading based in London, United Kingdom. The role offers a competitive salary range of £150,000-200,000, plus a bonus of £50,000-80,000. The position focuses on developing top-tier trading systems for a leading player ...

Senior Java & AWS Backend Engineer Healthcare

A leading healthcare technology firm is seeking a Java and AWS Developer in London to build secure, scalable cloud-based services for medical researchers. The role involves working with Java-based microservices on AWS, ensuring data security, and obtaining compliance with healthcare standards. The ideal candidat ...

Senior Trading Software Engineer (Java/Frontend)

FactSet in Greater London is seeking a talented Senior Software Engineer to design and develop financial trading applications. You will be part of a passionate team working with Java to build scalable trading solutions. The ideal candidate should have 4+ years of experience in software engineering with ...

Lead Architect Java, AWS & Agentic AI

Client Server Ltd. is looking for a Lead Technical Architect (Java AWS Agentic AI) to spearhead the modernization of Payments and Core Banking platforms while working in a collaborative environment. You will be pivotal in designing software architecture for complex systems leveraging modern Java and AWS techn ...

Post Purchase Backend Engineer (Java/AWS)

Phoenix Court Group in Greater London is looking for a Software Engineer to join the platform team focused on enhancing the post-purchase journey. The role involves building and deploying backend services using Java and AWS, collaborating with cross-functional teams, and improving system scalability and relia ...

Java Software Engineer — AWS Microservices & TDD

Vertus Partners is seeking an experienced Java Engineer for a leading Bank's flagship mobile platform in Greater London. This role involves full lifecycle development, from requirements gathering to deployment, using Java on AWS. The ideal candidate will have strong skills in Microservices and testing ...

Principal Backend Architect Java/Spring Microservices

Verifone is seeking a Principal Software Engineer based in London to lead backend services for their payment gateway system. In this role, you will design core platform capabilities, make architectural decisions across microservices, and guide engineer teams while working hands-on with Java and Spring Boot ap ...

🚀 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

    Java Developer Java React Springboot Jobs in London Job Search Guide, Trends and Insights