36,699+ Java React Developer Jobs in UK — Top Companies Hiring July 2026

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Backend Software Engineer Rust Low Latency Trading

Backend Software Engineer / Developer (Rust Low Latency HFT) London / WFH to £160k+Do you have expertise with backend, low latency software engineering?You could be progressing your career in a senior, hands-on Backend Software Engineer role at a hugely profitable High Frequency Trading f ...

Software Developer Internal Compute Frameworks (Python)

Position Overview: We are seeking an experienced and passionate Software Developer to join our growing team. In this role, you will play a key part in designing, building, and maintaining Squarepoint internal frameworks, services and platforms that power our business. You will have the opportuni ...

Software Developer Internal Compute Frameworks (Python)

Position Overview: We are seeking an experienced and passionate Software Developer to join our growing team. In this role, you will play a key part in designing, building, and maintaining Squarepoint internal frameworks, services and platforms that power our business. You will have the opportuni ...

Backend Software Engineer Rust Low Latency Trading

Backend Software Engineer / Developer (Rust Low Latency HFT) London / WFH to £160k+ Do you have expertise with backend, low latency software engineering? You could be progressing your career in a senior, hands‑on Backend Software Engineer role at a hugely profitable High Frequency Trading ...

Backend Software Engineer Rust Low Latency Trading

Backend Software Engineer / Developer (Rust Low Latency HFT) London / WFH to £160k+Do you have expertise with backend, low latency software engineering?You could be progressing your career in a senior, hands-on Backend Software Engineer role at a hugely profitable High Frequency Trading f ...

Blockchain Engineer UK (Remote)

About the job Blockchain Engineer - UK (Remote) One of our clients based in CA, USA is looking to hire 8 talented Blockchain Engineers globally to join their growing team. The ideal candidate will have a strong background in blockchain development, with a focus on developing and implementing inno ...

Staff Software Engineer BPL

Join us as an experienced Staff Software Engineer in our London‑based Payments Acquiring business, where you will lead technical delivery and help shape development standards. Purpose of the role Design, develop, and improve software across the platform using industry‑standard languages, ...

Software Engineer

Hamiltonian Dynamics is a growing technology company working across Defence and Cyber Security, delivering software solutions that support critical national and enterprise systems. With teams based in Gloucestershire, Manchester, and London, we are entering an exciting new phase of expansion and are lookin ...

Internal Audit Front End Engineer Analyst / Associate Birmingham

About the Job At Goldman Sachs, Internal Audit Engineering builds systems that support the firm’s audit functions. The role focuses on designing and implementing software solutions to enhance auditing services and enable new business functions. Responsibilities Gain satisfacti ...

Full Stack Engineer

Contract Full Stack / Backend Engineer III - Trust & Safety PlatformsDuration: 6-Month Contract (with potential for extension)Location: 100% Remote (UK-based)Inside/Outside IR35: Insert IR35 The OpportunityWe are looking for a Senior Full Stack / Backend Engineer (Level III) to join t ...

Staff Software Engineer Backend

P-1514At Databricks, we are passionate about enabling data teams to solve the world's toughest problems — from making the next mode of transportation a reality to accelerating the development of medical breakthroughs. We do this by building and running the world's best data and AI infrastructure platfo ...

Staff Software Engineer Backend

P-1514At Databricks, we are passionate about enabling data teams to solve the world's toughest problems — from making the next mode of transportation a reality to accelerating the development of medical breakthroughs. We do this by building and running the world's best data and AI infrastructure platfo ...

Graduate Software Engineer Computer Science

Graduate Software Engineer / Developer *Newcastle onsite* £35k+ Start September 2026 Are you a high achieving Computer Science graduate looking for an environment where you'll be challenged, mentored by exceptional engineers and given the opportunity to make a meaningful impact from day one ...

Principal Software Engineer Executive Director

JP Morgan Chase’s ambitions for AI/ML are transformational, but safety and security are non negotiable. As a Principal Software Engineer within AI Governance Engineering, you will design and build platforms and shared services that enable teams to develop, deploy, and operate AI/ML solutions with complianc ...

Lead Java Software Engineer in FX Payments tech

Join us to shape the future of payments technology and make a real impact on your career. As part of our agile team, you’ll help build trusted solutions that power global transactions. You’ll have the opportunity to grow your skills, collaborate with talented colleagues, and contribute to a culture of inclusi ...

Software Engineer II Low Latency Java and Kafka

Join JPMorgan’s Global Liquidity and Cash Management Technology team and be part of a dynamic group dedicated to delivering innovative technology products. We are seeking motivated Java engineers to enhance our global technology organization, focusing on modern solutions for the Corporate & Investment Bank’s ...

Java Lead eSoftware Engineer Equities Algo Trading VP

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 Equities Trading Technology Organization, you are an integral part of an agile team that works to enhance, build, and deliver t ...

Java Sr Lead Software Engineer OMS/Sales VP

Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products. As a Senior Lead Software Engineer at JPMorganChase within the Global Sales OMS technology group working in EMEA with a focus on our NAMR operations, you are an i ...

Software Engineer III Low Latency Java and Kafka

Be an integral part of a team that's constantly pushing the envelope to enhance, build, and deliver cutting-edge technology products.Join JPMorgan’s Liquidity and Account Solutions Technology team and be part of a dynamic group dedicated to delivering innovative technology products. We are seeking moti ...

Lead Software Engineering Java ETT – Options Algorithmic Trading

Are you ready to make a meaningful impact and advance your career in a dynamic, fast-paced team? At JPMorganChase, you’ll help build market-leading technology products that power our electronic trading business. You’ll work alongside talented professionals who value creativity, collaboration, and continuous l ...

Software Engineering Tech Lead / Manager – Java, Javascript, ETL

Software Engineering Tech Lead / Manager – Java, Javascript, ETLUp to £700 per day (Inside IR35)London / Hybrid (3 days per week on-site)My client is a high profile organisation who are recruiting for a Software Engineering Tech Lead / Manager with experience of leading, coaching and managing teams of Software E ...

Software Engineer II Low Latency Java and Kafka

Join JPMorgan’s Global Liquidity and Cash Management Technology team and be part of a dynamic group dedicated to delivering innovative technology products. We are seeking motivated Java engineers to enhance our global technology organization, focusing on modern solutions for the Corporate & Investment Bank’s ...

Lead Java Software Engineer in FX Payments tech

Join us to shape the future of payments technology and make a real impact on your career. As part of our agile team, you’ll help build trusted solutions that power global transactions. You’ll have the opportunity to grow your skills, collaborate with talented colleagues, and contribute to a culture of inclusi ...

Software Engineering Tech Lead / Manager – Java, Javascript, ETL

Software Engineering Tech Lead / Manager – Java, Javascript, ETLUp to £700 per day (Inside IR35)London / Hybrid (3 days per week on-site)My client is a high profile organisation who are recruiting for a Software Engineering Tech Lead / Manager with experience of leading, coaching and managing teams of Software E ...

Senior Lead Software Engineer Backend Engineering Java/Kotlin

Out of the successful launch of Chase in 2021, we’re a new team, with a new mission. We’re creating products that solve real world problems and put customers at the center - all in an environment that nurtures skills and helps you realize your potential. Our team is key to our success. We’re people-first. We ...

Software Engineer III Low Latency Java and Kafka

Be an integral part of a team that's constantly pushing the envelope to enhance, build, and deliver cutting-edge technology products.Join JPMorgan’s Liquidity and Account Solutions Technology team and be part of a dynamic group dedicated to delivering innovative technology products. We are seeking moti ...

Senior Java Engineer — Remote, Spring Boot, Client Facing

Your Remote Tech Recruiter is engaged with an established Tech Consultancy who are looking to recruit Senior Developers with experience building applications in Java. They're a global organisation (operate across the US, UK, Europe and Asia), with a focus on delivering end-to-end digital transformation ...

Senior Software Engineer Rust/Cpp/Java/Python | Equity

Job Search Place Limited is seeking a Senior Software Engineer proficient in Rust, C++, Java, or Python for their London office. The role involves designing and building core software platforms, collaborating with users, and interfacing with autonomous systems. With a competitive salary package up to £ ...

Senior Automation Engineer: Java/Selenium & Azure CI/CD

TestYantra Software Solutions is looking for an experienced Automation Tester located in the City of Edinburgh. The role involves designing, developing, and maintaining automation frameworks utilizing Java and Selenium. You'll also be responsible for performing API testing and integrating solutions through Az ...

Backend Java Engineer: Scalable Microservices for US Retail

Harrah's Cherokee Valley River in the United Kingdom is seeking a talented backend developer to join our US Product Development team. You will be instrumental in designing and delivering high-quality microservices that support our innovative retail systems, such as Sportsbooks and hotel check-in kiosks. < ...

Senior Java & Spring Architect for Scalable Cloud Systems

Lead Software Engineer Belfast, UnitedKingdom Posted 10 months ago This is a job posted by our partner Jooble Tech stack Spring Framework Java Kafka SQL Software Engineer messaging NoSQL Below is a snippet of the job description. To read the full text, please ...

Lead Software Engineering Java ETT Options Algorithmic Trading

At JPMorganChase, you will help build market‑leading technology products that power our electronic trading business. You will work alongside talented professionals who value creativity, collaboration, and continuous learning, delivering secure, stable, and scalable solutions that drive our business forward ...

Lead Backend Engineer — Java/Kotlin, Cloud, London (Hybrid)

Synchro is hiring for an experienced Lead Backend Engineer to work with a prestigious bank or financial services organization in London. You will be hands-on, delivering code into production across various critical projects while collaborating with stakeholders. Ideal candidates have robust experience in Java ...

Senior AI Driven Reg News Engineer (Java/C#)

The London Stock Exchange Group is seeking a Senior Developer to join the Regulatory News Service team in London. You will utilize AI to improve user experience and reduce operational workload for both internal and external users. Your role will involve full lifecycle Agile development and engaging wit ...

Full Stack Software Engineer II — AWS, Java, GraphQL

Tripadvisor is seeking a Software Engineer II to join their team in Greater London. This full-stack role involves working on backend systems while also having opportunities to engage in front-end projects. The position embraces a remote-first working model and facilitates periodic in-person gatherings ...

Senior Software Engineer Regulatory News (AI/C#/Java)

ABOUT US:LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide ...

Senior Big Data Engineer — Java/Scala, Data Lake

COLLAB. Recruitment Ltd is seeking a Senior Software Engineer specializing in Big Data within Greater London. The role requires deep Java and Scala programming skills, with emphasis on TDD and BDD methodologies. Candidates should have solid experience in concurrent and asynchronous design as well as a clear u ...

Senior Java & KDB Engineer Real Time Finance Platform

A global financial services leader is seeking a Software Engineer III in Glasgow. The role involves designing and delivering technology products, contributing to projects in real-time trading and software solutions. Candidates should have experience with Java and KDB+/q, knowledge of agile methodologies, and a p ...

Senior Java/Kotlin Engineer Remote, Equity, AI augmented

Malt is looking for an experienced Senior Software Engineer to lead innovative software projects and work collaboratively with product teams. You will drive the technical decisions and own features from beginning to deployment, working predominantly with Java and Kotlin. The role offers a strong remote ...

Senior Data Platform Engineer Java/Python, Risk Tech

A leading financial services firm is looking for a Senior Lead Software Engineer to join their Data Platform & Strategy team in Greater London. In this role, you will design and enhance advanced data engineering solutions that support business objectives. You will collaborate with agile teams and drive innovatio ...

Senior Java Engineer — On Site in Central Newbury

Sivara GmbH located in Newbury is looking for a Senior Software Engineer to develop reliable applications while ensuring high-quality delivery in a collaborative Agile environment. The role demands at least 5 years of experience with Java and deep knowledge of SQL, along with web technologies like JavaScript, ...

Java & Cloud Tech Lead Azure, Microservices & CI/CD

Sivara GmbH is seeking a Java / Cloud Technical Lead to join our team in Wembley, London. This full-time, on-site role will have you working five days a week with a salary of up to £80,000 per annum, and the opportunity to shape engineering standards and collaborate directly with our Principal Architect. ...

Hybrid Backend Engineer — Java/Spring Boot on GCP

Sivara GmbH is seeking a Backend Engineer to join our team on a 6-month contract in London. This role requires developing scalable, customer-facing digital products and services primarily in Java and Spring Boot within a GCP environment. The ideal candidate will have strong commercial experience with J ...

Java Software Engineer for Scalable Apple Services Platform

Apple is looking for a world-class software engineer to design and build the software for our customer engagement platform in London. This pivotal role involves building secure systems and collaborating with cross-functional teams to enhance user experience. The ideal candidate will have a relevant deg ...

Senior Automation Tester Hybrid (SC Cleared) | AWS/Java

Sivara GmbH is looking for a Senior Automation Tester for a 6-month hybrid assignment in Manchester or Newcastle upon Tyne. The candidate will work three days per week on site, focusing on high-quality test coverage and collaboration across functional and non-functional areas. Candidates must have SC c ...

Hybrid Software Engineer Java/Spring, DevOps (4mo Contract)

Sivara GmbH is seeking a Software Engineer for a 4-month contract project in Stockport, operating on a hybrid basis. The role offers opportunity within a highly agile team and involves enhancing and delivering products using modern technologies like Java, Spring Boot, and Kubernetes. As part of an agil ...

Backend Engineer Java/Spring Boot for Scale & HA

Tria is seeking a Backend Engineer for a 6-month contract in London. This role focuses on developing scalable Java/Spring Boot services within a hybrid setup, requiring 1-2 days onsite. A strong background in building high-availability, high-traffic systems is essential. The successful candidate will w ...

Space Grade Real Time Software Engineer (C++/Java)

Capgemini Engineering in Stevenage is seeking a Software Engineer to design, develop, and integrate hardware-in-the-loop simulators. You will work closely with system engineering teams for successful test bench delivery used to validate spacecraft and rovers. This role requires excellent C++ and Java s ...

Lead Modernization Engineer: Java/Node.js (On Site London)

Adecco is seeking a Lead Modernization Engineer with extensive experience in Java and Node.js to work in Wembley London. The role involves technical mentorship, ensuring coding standards, and optimizing applications for containerization. The ideal candidate will possess a strong understanding of CI/CD ...

Hybrid Senior Java Engineer Build Scalable UCaaS Systems

hackajob is collaborating with Gamma to find a Senior Software Engineer in Newbury. In this role, you'll lead technical designs and practices while collaborating with teams to create high-quality, scalable software. The position offers a hybrid work model and great perks, including 25 days of annual le ...

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    Java React Developer Jobs in United Kingdom Job Search Guide, Trends and Insights