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    Senior Java Backend Engineer Hybrid, 6 Month Contract

    A tech recruitment firm in the UK is seeking an experienced Java Developer for a hybrid position, requiring one day per month in the London office. The role is an initial 6-month contract focused on developing and enhancing scalable backend systems. Candidates should have strong experience in Java, solid underst ...

    Low Latency Java Quant Trader: Algo, FX, Crypto & DeFi

    Harrington Starr is seeking an experienced Java Quantitative Developer to join their crypto trading desk in London. This role involves designing algorithmic trading strategies, building pricing logic and hedging frameworks, and translating quant ideas into efficient Java code. The ideal candidate should have str ...

    Salesforce & React Native Hybrid Engineer – London

    A technology services firm is seeking Salesforce & React Native Specialists in London for a 12+ month contract role. You will support development teams with client projects, requiring expertise in Salesforce and/or React Native. Candidates should be proficient in Java, TDD, RESTful API design, and familiar with ...

    Senior React Native Engineer Shape Apps for Millions

    Java Script Works is looking for a Senior React Native Engineer based in London, United Kingdom. This full-time role involves working closely with designers and product thinkers to impact the lives of millions of users. The ideal candidate should possess extensive React Native or mobile experience, dem ...

    Senior/Lead Engineer React, TS & Cross Platform

    Java Script Works is looking for a skilled Senior/Lead Engineer with expertise in React (Next.js), React Native, and TypeScript to drive their cross-platform mobile application and technology ecosystem. The ideal candidate will identify and resolve architectural and performance issues, ensuring optimal functiona ...

    Lead React/UI Engineer — Trading Platform (London)

    Java Script Works is looking for a Lead Software Engineer - React/UI to join their FICC E-TRADING team in London. This role involves being a key player in an agile environment to design and deliver innovative software solutions. Candidates should have experience with modern tech stacks, particularly in React and ...

    Engineering Manager React Native & Mobile Team Lead

    Java Script Works is seeking an experienced Engineering Manager (React Native) in London, UK, to lead mobile development. This role involves building an in-house React Native team and working closely with product and design to deliver high-quality mobile experiences. Candidates should have a strong background in ...

    Senior/Lead Engineer React, TS & Cross Platform

    Java Script Works is looking for a skilled Senior/Lead Engineer with expertise in React (Next.js), React Native, and TypeScript to drive their cross-platform mobile application and technology ecosystem. The ideal candidate will identify and resolve architectural and performance issues, ensuring optimal functiona ...

    Senior Java Backend Engineer – Platform & Ad Tech

    Global is looking for a Java Developer in Greater London to join their DAX engineering team. In this role, you'll take ownership of features from inception to deployment, improving their ad server platform using modern Java micro-services, Kubernetes, and continuous integration tools. Candidates should have a st ...

    Senior Java Backend Lead – Cloud Data Platform (Remote)

    Xantura Limited in London is looking for an experienced Senior Java Developer to join our engineering team. You will design, develop, and maintain backend systems for our cloud-based data platform. The role involves collaborating across teams and mentoring developers. The ideal candidate will have stro ...

    SQL Database Developer in London Quant Capital

    SQL Database Developer London, United Kingdom Posted 11 months ago Tech Stack SQL Java Next.js Databases Qualifications Basic programming skills in OO languages such as Java (version 7) (desirable) </l ...

    Senior OMS Java Engineer Low Latency Trading (Hybrid)

    EC1 Partners is seeking an experienced Java Developer (OMS Specialist) for a permanent position to join its London-based financial technology team. The candidate will design and develop a high-performance Order Management System in a hybrid working environment. Key qualifications include hands-on experience with ...

    Open Stack, Salesforce & React Native Specialists Cheshire

    Salesforce & React Native Specialists - London Atrium EMEA are looking for several Salesforce & React Native Specialists to support the Development teams onsite with a client in London. 12+mths contract, 2 days onsite/3 days remote, PAYE/Umbrella options. 3 x Salesforce & ...

    Principal Software Engineer

    I’m working with one of our major Financial domain clients based in Central London, and they’re looking for a Principal Software Engineer to join their team. This role requires a highly skilled, hands-on professional who is passionate about technology and finance, experienced in worki ...

    Senior Software Engineer Kotlin

    Senior Kotlin Developer (Java, Kafka, AWS) – FinTech London (Hybrid: 3 days onsite) Up to £110,000 per year + benefits About the Company We’re a fast-growing FinTech building modern, cloud-native platforms that power real-time financial services used by thousands of cust ...

    Lead Software Engineer Java JPM Personal Investing

    Job Responsibilities Work with the Product team to understand user's needs and follow an Agile SDLC to develop and deliver product features. Our stack is Java/Springboot with a bit of Kotlin, DynamoDB, Aurora/MySQL and AWS. Participate with the rest of the team in the process of d ...

    Senior Full Stack Engineer FTC in London SoCode Recruitment

    Job Opportunity: Senior Full Stack Java Engineer Excited to be partnering with a leading financial services organisation seeking a Senior Full Stack Java Engineer to join their growing engineering team. Key Responsibilities: This is a hands‑on role for a seasoned developer w ...

    Full Stack Engineer (Audiobooks)

    Requirements You have experience building web applications across the stack. TypeScript and Java experience preferred You're motivated to learn, take on new challenges, and T-shape You think product-first while building tech solutions You're comfortable using A ...

    Lead Mobile Engineer — React Native & TypeScript

    Java Script Works is seeking a Lead Mobile Engineer (React Native) based in Greater London, UK. This role involves leading the end-to-end development of a B2C mobile app, utilizing your expertise in React Native and TypeScript. The ideal candidate will thrive in a rapidly evolving environment, capable of prototy ...

    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 ...

    Trading Systems Software Developer Systematic Market Maker in London Quant Capital

    Trading Systems Software Developer - Systematic Market Maker Location: London, United Kingdom Posted: 10 months ago Tech stack Trading Kotlin Java SOLID C Python Optimizing Data Flow and System Thro ...

    Junior Developer in London Yapily

    Junior Developer London, UnitedKingdom Tech Stack Java APIs Spring Boot JUnit REST Spring Framework Requirements 12+ months hands‑on experience with Spring Boot and Java 11+ Understan ...

    Staff Frontend React Engineer | Lead & Shape UI

    Java Script Works is seeking a Staff Frontend React Engineer to lead the design and implementation of frontend applications. You will collaborate with architects and cross-functional teams to define and ship new features. The ideal candidate has over 10 years of experience in software engineering with ...

    Head of Software Architecture Java AWS AI

    Head of Software Architecture (Java AWS Agentic AI) London / WFH to £130k Opportunity to progress your career working on a financial Tech for Good product in an impactful Head of Software Architecture role at a scale-up software house. The platform enables easier money transfer to people in emerging economies, ...

    Lead Java Tech Role 3 month Contract

    I'm looking for a Lead Backend Software Engineer to shape backend architecture, drive engineering excellence, and guide teams building high‑performance digital products used at scale. This is a hands‑on leadership role where you’ll influence technical strategy, mentor engineers, and ensure backend systems are ro ...

    Lead Modernization Engineer Java / Node.js London, Wembley

    Job Title: Lead Modernization Engineer Java / Node.js Salary: Paying up to £80,000 per annumLocation: Wembley London - 5 days on-siteOur client, a well-established and diversified multinational organisation, is seeking a Lead Modernization Engineer Java / Node.js to join their team.< ...

    Lead Modernization Engineer Java / Node.js London, Wembley

    Job Title: Lead Modernization Engineer Java / Node.js Salary: Paying up to £80,000 per annumLocation: Wembley London - 5 days on-siteOur client, a well-established and diversified multinational organisation, is seeking a Lead Modernization Engineer Java / Node.js to join their team.< ...

    Head of Engineering Java, Javascript, Cloud, Healthcare

    Head of Engineering - Java, Javascript, Cloud, Healthcare Up to £850 per day (Inside IR35) London / Hybrid (3 days onsite) 6 monthsMy client is a high-profile organisation seeking a Head of Engineering to lead a team of Software Engineering Managers, driving the development and transformation ...

    Senior Software Engineer II Contacts Team Java

    Company Description 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 and businesses are sending money to another country, spending abroad, or making and receiving international payme ...

    Senior Java Engineer London, England, United Kingdom

    Location: This is a hybrid role based out of our London office in Monument, with an expectation to be in the office 2 days per week. Salary Range: £80,000 - £90,000 per annum Role Type: Full-Time, Permanent Start date: As soon as possible The ...

    Senior Java Engineer Hybrid London Backend & Microservices

    A leading technology firm in London is seeking a Senior Java Engineer to enhance its Insurance platform. You will design and maintain backend services, work with modern technologies within microservices architecture, and mentor a growing team. The ideal candidate has strong experience in Java and related technol ...

    Core Java Engineer — Low Latency, Hybrid London

    A leading investment management firm in London is seeking an experienced Core Java Software Engineer to build scalable software solutions for the financial sector. The successful candidate will have several years of experience in Core Java, especially in areas like low latency and multithreading. Enjoy flexible ...

    Senior Lead Backend Engineer — Java & Kotlin (Fintech)

    A leading financial services firm is seeking a Senior Lead Software Engineer to join its new team focused on innovative fintech solutions. This role involves problem-solving, developing secure code, and working collaboratively in an agile environment. Ideal candidates have experience in Java and Kotlin, with a p ...

    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 ...

    Hybrid Full‑Stack Java Engineer — HealthTech Scheduling

    A leading health technology company is seeking a Full Stack Java Engineer to work on a product that drives efficiencies for the NHS. In this impactful role, you'll re-architect a shift rota application, enhancing it using Java and Angular. The position is based in London with flexibility to work from home. The i ...

    Java Team Lead: Front Office Risk & Pricing

    A leading technology firm in the United Kingdom is seeking a Full Stack Developer to join their high-performance team. You will design and build essential applications supporting global trading activities. The ideal candidate has at least 3 years of leadership experience in the finance sector and a solid underst ...

    Java FinTech Microservices Engineer — Global Relocation Included

    A global e-commerce company is seeking a Software Developer to contribute to high-scale products and see the real-world impact of their work. The role involves creating scalable systems, advocating best practices, and working within a performance-driven culture. Ideal candidates should have solid software develo ...

    Senior Java Engineer — Hybrid London, Architecture Ownership

    A leading fintech organization based in London is seeking a Senior Java Software Engineer to join their Treasury Engineering function. This hybrid role entails building systems to manage capital optimization while providing significant architectural ownership. Candidates should possess strong backend engineering ...

    Senior Java Engineer — Scale Fintech Rewards Platform

    A dynamic fintech company is seeking a Senior Java Engineer to build and scale their rewards platform. The role involves developing features, optimizing performance, and ensuring seamless integrations. Candidates should have over 4 years of Java backend experience, strong CI/CD skills, and familiarity with cloud ...

    Java Engineer Equity Volatility in London Millennium

    Java Engineer - Equity Volatility The successful candidate will join a global team that designs and develops Equities Volatility Risk and PnL and Market data systems. The candidate will work hands‑on with other developers, QA and production support teams. The team interacts with key stakeholders s ...

    Real Time Rates Risk Engineer (Java, Hybrid)

    Citigroup Inc. is looking for a Senior Developer to join their Tech team in London. The role focuses on designing and implementing critical features for Real Time Pricing and Risk applications. Candidates should have extensive experience in Java development, understanding of Agile practices, and familiarity with ...

    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 ...

    Senior Java Engineer Build Secure Risk Platforms

    London Stock Exchange Group is seeking a Senior Software Engineer to develop technology platforms in London, focusing on Java and agile methodologies. The position requires 3-6 years of software engineering experience, deep knowledge of Java, and strong communication skills. The role offers opportunities for per ...

    Backend Engineer III Java, Spark, Databricks API

    RELX in Greater London is searching for a Software Engineer III with around 3 years of experience in backend development, especially in Java and RESTful APIs. This role involves implementing Scala/Spark pipelines for metric computation and contributing to Java-based backend services. With a focus on working effe ...

    Senior Java Engineer – Equities Trading Platform (Hybrid)

    Citi is seeking a motivated software engineer for the Equities Technology team in London. This role involves collaborating with engineers and delivering technical solutions for trading applications, requiring strong knowledge in Java and experience in agile development. Candidates should have 6-10 years of relev ...

    Climate Action Java Spring Boot Backend Engineer

    The Climate App is looking for a passionate Android app developer to join its team in Greater London. The ideal candidate will have expertise in Java, Spring Boot, and REST, along with a strong drive to combat the climate crisis. The role involves creating an innovative Android application as part of a skilled t ...

    Senior Java Backend Engineer Hybrid, Impactful & Growth

    A leading health retailer in London is seeking a Senior Backend Engineer to develop tools that enhance store design and optimize customer experiences. The role involves designing scalable backend services using Java and Spring within a hybrid working environment. Strong experience in backend development, API man ...

    Engineering Manager: Java AI for FinTech (Hybrid)

    A leading technology recruitment firm in the UK is seeking an Engineering Manager (Java AI) to lead a team of AI Engineers. This role requires strong technical leadership skills and a solid background in software engineering, particularly in Java and modern architectures. The successful candidate will work in a ...

    Java/Kotlin Software Engineer Agile, TDD, Spring

    Skills and Experience You possess strong development experience in Java and Kotlin. You have familiarity with Agile processes and Test-Driven Development (TDD). Technical Expertise You understand Computer Science, Object-oriented Programming (OOP), Design Patterns, Data Structures, a ...

    Senior Java Lead Engineer AI & Data Platforms

    A leading global financial markets provider is seeking a highly skilled Lead Java Engineer with over 12 years of backend software engineering experience. The role focuses on building the FTSE Russell Index Platform and involves leading projects from start to finish. Candidates must have strong algorithms and dat ...

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