36,905+ Java React Developer Jobs in UK — Top Companies Hiring July 2026

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Senior Lead Java Backend Engineer Cloud Microservices

TwinThread is seeking a Senior Lead Software Engineer in Greater London to deliver end-to-end solutions for cloud-native microservices applications. The ideal candidate will have significant experience in back-end software engineering, specifically with Java and cloud technologies. Responsibilities include ensur ...

Staff Java Engineer — Lead Scalable, Observed Systems

慨正橡扯 in Greater London seeks a skilled software engineer to join the M&S Software Engineering team, where you will create robust solutions for logistics in a fast-paced environment. With a focus on ethical values and innovation, you will help in redefining the business into a digital-first organization. < ...

Senior Backend Engineer Cloud Native Microservices (Java)

Software Engineer III - Back-end Engineer - Chase UK Location: LONDON, United Kingdom Job Information Job Identification Job Category Software Engineering Business Unit Corporate Sector Posting Date 06/05/2025, 10:36 Locations 25 B ...

EPOS Software Engineer Java/Spring & API Specialist

Booker, part of the Tesco Group in England, is looking for a Software Development Engineer to join their EPOS team. This role involves designing and supporting electronic point of sale solutions, using modern technologies like Java and Spring, in a fast-paced wholesale environment. You'll be responsibl ...

Lead Software Engineer (Java, Spring Boot, Microservices)

Job Level: 10 UK Wide We are looking for a Lead Software Engineer who will be responsible for the design, development, and deployment of high-quality software solutions. This role involves leading a team of engineers on high-profile projects, ensuring best practices are followed, and d ...

Software Engineer III Backend Engineering Java/Kotlin

Software Engineer III - Backend Engineering - Java/Kotlin LONDON, LONDON, United Kingdom Job Description 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 – ...

Syclo Agentry/SMP Consultant: Migration & Java London

Adroitpeople is seeking a Syclo Agentry/SMP Consultant in London, UK, for a full-time contract role. The ideal candidate will have 7 to 11 years of hands-on Agentry experience, including at least one full migration project. The consultant will be responsible for application development with SycloAgentr ...

Lead Java Engineer: FX Payments & Global Transactions

United States Digital Space LLC is seeking a Lead Software Engineer to shape the future of payments technology. In this pivotal role, you will lead technical initiatives, foster innovation, and drive solutions that meet business objectives. You will work closely with cross-functional teams to develop s ...

Senior Java Full Stack Engineer & Transformation Consultant

United States Digital Space LLC is looking for a Java Full Stack Engineer to drive digital transformation initiatives. The role involves collaborating with clients to create innovative digital solutions with a clear focus on business value. Applicants should hold active SC Clearance and possess over 5 years o ...

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 ...

Principal Java Engineer Retail Payments & Cloud (Azure)

Mindera is seeking a Principal Java Engineer to join their team in Greater London. This six-month contract outside IR35 requires strong experience in Java 17+, as well as leadership in technical challenges and solutions. Your role will include crafting secure, high-volume payment services, mentoring en ...

Principal Java Engineer Hybrid/Remote, Secure Software

Bright Purple is seeking a skilled Principal Java Software Engineer to join their Edinburgh office on a hybrid basis. This role involves developing complex Java software and supporting a global workforce using cutting-edge technology. The ideal candidate will have extensive experience in Java and Linux ...

Senior Java Engineer: Microservices for Global Payments

Wise is seeking a Senior Product Engineer to join our dynamic team in London. You'll play a key role in designing and implementing highly available services while collaborating with cross-functional teams. Your expertise in Java, Spring Boot, Kafka, and PostgreSQL will help drive the development of innovative ...

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 ...

Hybrid Java Backend Engineer Microservices & Spring Boot

Net2Source (N2S) is seeking a Software Engineer to build world-class software in Burgess Hill, UK. The role requires expertise in Java, Microservices, Spring Boot, and various database technologies. An essential part of the position includes debugging, automating deployments, and scaling applications according t ...

Senior Java Engineer (Kubernetes, Kafka, Docker) – Hybrid

Senior Java Engineer (Kubernetes, Kafka, SpringBoot) - Finance - London Daily rate: £550 - £750 (inside IR35) – Duration: 12 months – Hybrid: 8 days per month – Start: ASAP A banking client is looking for a Senior Java Engineer with Kafka and Docker skills to join the team on a freela ...

Cloud Software Engineer (SDE) — Java/C/C++

Amazon is seeking a full-time Software Development Engineer for their Ring Cloud division in Cambridge, United Kingdom. The successful candidate will have professional software development experience with modern languages like Java and C, demonstrating strong object-oriented design skills. Preferred qualificatio ...

Senior Java Engineer AWS, REST & Microservices (Hybrid)

Salt Digital Recruitment is seeking a Senior Java Engineer to join a hybrid team in Greater London. The role demands expertise in Java and AWS, with a daily rate of £500 to £700 depending on experience. The ideal candidate will contribute to cloud-native architecture and API development. Key responsibi ...

Backend Engineer (Golang/Java) – Hybrid Cloud Platform

A Cloud Security Platform provider based in Belfast is seeking a Backend Engineer with experience in Golang and Java to manage short-life projects from design to deployment. You'll collaborate with other teams, conduct performance analyses, and focus on cloud platforms like AWS and GCP. This hybrid role requires ...

Senior Java Engineer Remote UK, Scale & Impact

A leading educational technology company is seeking a Senior Software Engineer to join their Integrations team. This role offers the opportunity to work remotely or from Newcastle, UK. The candidate will be responsible for developing critical integrations and in-house applications. Candidates should have 5+ year ...

Java Backend Engineer — Cloud Native & AI Driven

Utilise cutting-edge technologies Utilise AI, Blockchain, DevOps, and cloud-native technologies to accelerate development and optimise performance. Adopt agile methodologies Use agile methodologies to prototype and design and develop high-quality, scalable applications using Java (Sp ...

Senior Java Engineer Scale High Performance Backend

InfoSum, a leader in data collaboration, is seeking a Senior Java Engineer to design and maintain high-performance backend systems for their innovative platform. This role demands expertise in Java and experience with distributed systems, focusing on scalability and security. Located in Basingstoke, th ...

Real Time Java Engineer for Liquidity & Kafka

JPMorgan Chase & Co. is looking for a Software Engineer II in Bournemouth, United Kingdom, to enhance the Global Liquidity and Cash Management Technology team. The ideal candidate will have formal Java training, experience with Java 17+, and modern testing tools, along with strong interpersonal skills. Responsib ...

Senior Solutions Architect Cloud, Java & Data Platforms

Royal London Group is looking for a Senior Solutions Architect in Alderley Edge, United Kingdom. This full-time role requires a strong technical background in Java, .NET, Azure, and CI/CD, along with hands-on experience in architectural frameworks. Ideal candidates should be knowledgeable in data platforms like ...

Java Software Engineer — Core Trading (Low Latency)

IG India is searching for a Software Engineer: Core Trading to join their dynamic engineering team. You will utilize advanced Java programming and engineering practices to develop and enhance their core trading systems. The ideal candidate has over 4 years of experience in Java development, strong prob ...

Java API Engineer Low Latency FIX & Cloud

Requirements Experience with developing external APIs ,A continuous improvement mentality, experience with coding using AI ,Identifies development risks and builds mitigations ,Around 5 years of Java development experience ,Strong concurrent/multithreaded p ...

Senior Java Backend Engineer — Global Fintech Microservices

ARQ, a rapidly growing fintech in Greater London, is seeking a Backend Engineer to design and maintain scalable backend systems. This role involves greenfield development and building REST APIs, leveraging a tech stack primarily based on Java and Postgres. The ideal candidate will have a bachelor's deg ...

Software Engineer with C# Java and Azure

Software Engineer with C# or Java and Azure Must have a bachelor's degree in computer science, software engineering, or a related field is required. Must have at least 4 to 6 years of progressively complex experience in a directly related area, during which both professional and technical c ...

Real Time Payments Engineer (Java, Spring, Kafka)

A leading technology firm in Greater London is looking for an experienced Software Engineer to develop innovative solutions in the real-time payment processing sector. The ideal candidate will have expertise in Java, experience with reactive programming using the Spring framework, and be familiar with Agile meth ...

Java Backend Engineer Spring Boot | Cloud & Microservices

NextWave Consulting Ltd is seeking a Software Engineer to contribute to their Data Fabric platform. The candidate will design and enhance backend services, collaborate within an agile team, and ensure high-quality software delivery. Must have strong experience in Java and Spring Boot, agile development, and fami ...

Senior Java/Kotlin Backend Engineer – Hybrid London

A leading software development company in London is seeking a Senior Java/Kotlin Engineer to join their high-impact product engineering team. In this hybrid role, you will design scalable backend services and influence technical direction. Ideal candidates will have extensive experience with Java/Kotlin, AWS, an ...

Java Backend Engineer for Scalable Travel APIs

At SilverRail, we're on a mission to reshape the way the world travels, and we're inviting you to be part of this journey. Rail is becoming the go-to choice for short and medium‑haul travel worldwide, and we're here to help make it happen. In the face of the ongoing climate crisis, our vision is cry ...

Senior Lead Backend Engineer — Java/Kotlin (Fintech)

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. ...

Senior Java Backend Engineer – Payments at Scale

慨正橡扯 is looking for a Senior Software Engineer to join their payment services team. This role involves translating requirements into tasks, producing test-driven features, and mentoring others while working with various payment methods securely. With a focus on innovation, candidates should have over 5 ...

Senior Java Platform Lead – Hybrid & Scalable Microservices

A leading streaming technology company is seeking a Senior Software Engineer to join their team in Greater Manchester. This role involves designing and developing scalable web applications and collaborating with cross-functional teams. Candidates should have extensive experience in Java and Python, a background ...

Staff Backend Engineer – Java, Cloud & Tech Strategy

Capital One (Europe) plc is seeking a Staff Software Engineer - Back End in London. In this role, you'll influence the technical direction, lead multiple teams, and mentor engineers. You will work in a hybrid model, collaborating in the office three days a week. Ideal candidates have deep expertise in Java and s ...

Senior Java Automation Engineer – FX eTrading Backend

Citigroup Inc. in Greater London is seeking a Senior Automation Engineer to oversee backend automation capabilities within the FX eTrading technology stack. This role requires significant experience in test automation and a strong Java coding background. The successful candidate will drive automation strategy ...

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 ...

Real Time Java Backend Engineer (Kubernetes/AWS)

A technology services company is looking for a Mid-Senior level Java Software Engineer to design and maintain scalable microservices. The role involves building data pipelines, deploying services in Docker/Kubernetes environments, and integrating applications in AWS. Proficiency in Java, Spring Boot, and Kafka i ...

Senior Java Tech Lead: Cloud Microservices & FinTech

A leading financial institution in London is seeking a Senior Lead Software Engineer to deliver innovative cloud-native solutions. The ideal candidate will have significant experience in Java, be proficient with microservice architecture, and thrive in an agile environment. You'll be contributing to diverse proj ...

Senior Java Architect Microservices & Cloud Platform Lead

A leading global financial services firm seeks a Senior Lead Software Engineer to join the International Consumer Bank division. In this role, you will architect, evolve, and promote solutions, ensuring alignment with stakeholders. The ideal candidate has extensive experience in software architecture, especially ...

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 ...

Senior Backend Engineer (Java/Spring) Cloud & Microservices

A leading investment platform in the UK is seeking a Senior Application Software Engineer to design and build highly scalable applications in a hybrid workplace. The ideal candidate will have proven experience in Java development, cloud architecture, and a strong background in financial services. Responsibilitie ...

Graduate Software Engineer (Android/Java) – Hybrid Role

A leading technology firm in Glasgow seeks a Graduate Software Engineer to work on mobile applications for police services. You'll write Java and XSLT code and gain exposure to the full project lifecycle. Ideal candidates have a relevant 2:1 degree and a solid understanding of programming concepts. The role is h ...

Java Software Engineer (Mid Senior) Remote & Flexible

Join a forward-thinking company as an Intermediate Java Software Engineer, where you'll develop high-quality software solutions in a collaborative environment. You'll leverage your Java expertise and knowledge of frameworks like Spring to create maintainable applications that meet client needs. This role offers ...

Java Developers (ACTIVE BPSS CLEARANCE ) Inside IR35

Direct message the job poster from iO Associates - UK/EU Strategic IT Consultant: Uniting Skilful Minds with Cutting-edge Markets Java Developers ( ACTIVE BPSS CLEARANCE IS ESSENTIAL) - Inside IR35 - Mostly Remote (UK) A large organisa ...

Azure Software Engineer (C#/Java) – Hybrid London

A technology consultancy firm is seeking a Software Engineer highly proficient in C# or Java and Azure. The role requires a bachelor's degree and 4-6 years of experience in software development, particularly in Azure integration and API management. The candidate should excel in problem-solving and communication, ...

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 Lead Backend Platform Engineer Java/Spring

A leading financial services firm in London is seeking a Senior Lead Software Engineer to design and maintain backend libraries and frameworks using Java and Spring Boot. The role requires strong collaboration with product engineering teams and a commitment to driving standardization within the development workf ...

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 ...

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