186,616+ Cloudnative Java React Engineer Jobs in UK — Top Companies Hiring July 2026

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Java Microservices Engineer – Cloud & CI/CD (Hybrid)

Java Developer Location: Newcastle upon Tyne Hybrid Working Please note - This role will require you to work from our Newcastle, Cobalt Business Park office 3 days per week. Due to the nature of client work you will be undertaking, you will need to be willing to go throu ...

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 Engineer, Equinox Platform Lead (Hybrid)

Citigroup Inc. is looking for a Senior Java Engineer in Greater London to drive innovation in the Equinox team within Equity Derivatives Tech. This role involves architecting solutions, collaborating with stakeholders, and mentoring junior engineers. You will work with technologies such as Java, REST APIs, and C ...

Senior Backend Engineer Java Microservices | Hybrid/Remote

A leading fintech company is seeking a passionate backend developer to drive innovation in their microservices architecture. With a strong focus on Java and Spring frameworks, you will work within a self-managed team in a hybrid or remote setting. The role emphasizes quality, collaboration, and career developmen ...

Senior Lead Backend Engineer — Java & Kotlin (Fintech)

A leading financial services firm in Greater London is seeking a Senior Lead Software Engineer. The successful candidate will drive innovative product solutions while prioritizing collaboration and diversity in a tech-driven environment. Responsibilities include developing scalable and secure code, problem-solvi ...

Backend Engineer (Java/Kotlin) – Scale Global Payments

Wise is seeking a Backend Engineer to join their Recurring Payin team. This full-time role focuses on developing backend services and APIs that enhance their financial products. Candidates should have strong communication skills, experience in web application development, and knowledge of Java and Spring Boot. T ...

Low Latency Quant Trading Engineer (Java) London

Deutsche Bank is seeking a Quantitative Trading Engineer in Greater London, focused on developing low-latency trading applications. The role requires excellent Java skills, experience in high performance systems, and collaboration with teams to improve software processes. Benefits include a competitive salary, h ...

Java DevOps Engineer eDV Clearance, Onsite Cheltenham

IO Associates is seeking a Java Developer with strong DevOps skills to join an established SME in the National Security space in Cheltenham. The role requires active eDV Clearance and a start date as soon as possible. You will be expected on site for 3 days each week for a duration of 6 months, with a ...

Java Engineer, Credit Risk Analytics AVP (Hybrid)

Citigroup Inc. is seeking a Software Engineer for its Credit Risk Technology team in Belfast. This role includes developing solutions to manage risk and requires skills in Java, cloud computing, and software development. The position offers a hybrid work model, competitive salary, and attractive benefi ...

Software Development Engineer II (Java) Customer Fulfilment

We are in the process of building and rolling out our next generation, dynamic, scalable, and resilient fulfilment platform for Tesco, to address both manual and robotic powered automated fulfilment operations across all customer order fulfilment locations. This highly optimised and continuously improving ...

Senior Java Backend Engineer: Scalable Microservices Lead

Arrive is seeking a Senior Backend Engineer to design and operate microservices for core products. Your focus will be on creating stable, secure, and scalable systems, while continuously improving quality and reliability. With 4+ years of experience in backend engineering, you’ll collaborate closely wi ...

Java Backend Engineer Spring Boot | Cloud & Microservices

NextWave Consulting Ltd is seeking a Software Engineer in London, UK to build and enhance backend services for a modern Data Fabric platform. The role requires 2-5 years of experience with Java and Spring Boot, and will involve working collaboratively in an agile team. You will be responsible for the design, dev ...

Senior Java Engineer – Spring Microservices | 12m Contract

LA International is seeking a Senior Java Engineer for a 12-month contract based in Burgess Hill, requiring 3 days onsite. The role offers a competitive rate of £400 - £475 per day through Umbrella. The successful candidate will work on a significant program, focusing on code analysis, application test ...

Graduate Software Engineer Python/Java/C/C++

Java Script Works is looking for a Graduate Software Developer to join their team in Cambridge, United Kingdom. The ideal candidate should have a minimum of AAA at A Level or equivalent UCAS points and be proficient in coding with C++, Java, Python, JavaScript, or C#. The role offers a competitive salary of up t ...

Backend Engineer II Java/Spring, Scale & Observability

Tesco UK is seeking a Software Development Engineer II to join their Lists and Substitutions Team. You will develop backend APIs using Java and Spring Boot and contribute to enriching customer shopping experiences. This role offers a collaborative environment with opportunities for growth in backend engineeri ...

Java Software Engineer — Front Office Systems (Hybrid)

Job title: Mid-Level Software Engineer Salary: Competitive Salary + Benefits Location: London (Hybrid) The role We’re currently supporting a well-established player within the financial technology spac ...

Senior Lead Java Engineer Hybrid, Cloud & Microservices

A leading financial markets infrastructure provider in Greater London is seeking a Senior Lead Java Engineer to join the SwapClear Interfaces development team. This role focuses on designing and maintaining Java-based applications crucial for clearing operations, collaborating in an Agile environment with a stro ...

Senior Java Payments Engineer Scalable, Reliable Systems

Starling in Greater London is on the lookout for highly motivated engineers with at least 5 years of Java experience to join the Payment Schemes team. You will build and maintain the systems responsible for Starling’s payment integrations, ensuring system stability and accuracy. The ideal candidate wil ...

Senior Java Engineer & Technical Lead Hybrid UK

A reputable digital consultancy is looking for a Senior Java Software Engineer to join their team in Leeds. This hybrid role involves collaborating with multidisciplinary teams to deliver user-centered digital solutions. You'll be acting as a technical expert, leading the development of robust software solutions ...

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 ...

Senior Backend Engineer Java/Go Microservices & Security

A technology solutions provider is seeking a backend developer skilled in Go and Java for developing secure, scalable applications. The role involves working within a team focused on mobile security, delivering innovative features and enhancements. Candidates must have expertise in REST APIs, microservices, and ...

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 ...

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 ...

Java/Kotlin Software Engineer – AVP (Developer Enablement)

We’re looking for an enthusiastic & talented server side engineer, to join one our high-impact teams inside Citi’s CTO organisation. You’ll sit within Developer Enablement, a group focused on innovation, developer platforms and internal tools used across the bank, where we experiment and ship fast, like a ...

Senior Java Engineer: Cloud Native & DevOps Innovator

A leading technology consulting firm is looking for a skilled Senior Java Developer for a dynamic environment in Farnborough, UK. The role requires expertise in modern Java development, cloud-native technologies, and CI/CD pipelines. As part of the team, you will develop applications and engage in project delive ...

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 Software Engineer II Contacts Team Java

Senior Software Engineer II - Contacts Team - 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. Whethe ...

Software Development Engineer II (Java) Customer Fulfilment

Responsibilities Build scalable, resilient Java‑based backend services, APIs and microservices that support fulfilment workflows and systems. Implement and ship end‑to‑end stories, with a focus on backend integration and feature delivery. Own medium‑sized features, takin ...

Java Backend Engineer — Cloud, Microservices & CI/CD

Tesco UK is seeking a mid-level Software Development Engineer (SDE2) to build scalable, resilient Java-based backend services that support fulfilment workflows. The role involves collaborating with various stakeholders, writing maintainable code, and onboarding junior engineers. Ideal candidates will h ...

Senior Backend Java Engineer – Hybrid, Global Finance

Citibank (Switzerland) AG in Belfast is looking for Experienced Backend Java Developers to join their Tech team. You will play a key role in developing applications that support global finance, delivering solutions that impact economies and innovation. The position offers a hybrid working model, compet ...

Senior Java Engineer — Shape Scalable Platform Architecture

Switch Tech Talent is seeking a Senior Java Software Engineer to join a rapidly growing UK tech business focused on building large-scale digital platforms. In this role, you will shape the platform's future architecture and influence technical direction, tackling complex challenges that impact millions of use ...

Cloud Backend Engineer (Golang/Java) – Hybrid AWS

Upwind Security, Inc. is seeking an experienced Software Engineer to join their Backend Engineering team. This role involves solving complex engineering challenges and continuously improving solutions while working with all major cloud providers (AWS, GCP, Azure). The position operates on a hybrid mode ...

Geospatial Java Cloud Engineer (SC Cleared) | Hybrid

Java Developer - Cloud Services+ 12 month initial contract+ Hybrid working out of Newcastle+ SC Cleared role+ £70 p/h - Inside IR35Key Skills:+ Java Developer+ Cloud Services+ RedHat/KubernetesRole Overview -The Software Engineer will join our collaborative, forward-thi ...

Java Backend Engineer II — Scalable API Innovation

Tesco is seeking a Software Development Engineer II to join its Lists and Substitutions Team in Greater London. In this role, you will develop high-performance backend APIs that enhance the shopping experience for millions of customers. Responsibilities include coding in Java, participating in planning sessions, ...

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 ...

Senior Backend Engineer — Java & Data Services Architect

MASS Analytics is seeking a Senior Backend Engineer in London to design and maintain backend services using Java. The role involves analyzing user requirements, developing backend architecture, and ensuring efficient database integration with SQL and NoSQL. The position offers a competitive salary and is full-ti ...

eDV Cleared Java Software Engineer (AWS/Kubernetes)

IO Associates are seeking 5 experienced eDV Cleared Software Engineers to join a respected client in the National Security sector. Applicants should have strong Java development expertise and be familiar with technologies such as Spring Boot, microservices, and AWS/Azure. Salary ranges from £45,000 to ...

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 ...

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 ...

VP Java Engineer, Trading Tech (Equities) – Hybrid

A leading global financial services firm in Greater London is seeking a Software Engineer for its Equities Technology team. The role involves collaborating with global teams and delivering business solutions through agile methodologies. Required qualifications include 6-10 years of experience in application deve ...

Java Backend Engineer Real Time Sports Platform

A leading sports technology company in Greater London seeks a passionate Software Engineer (Java) to build innovative solutions that engage sports fans. The role involves developing high-quality Java applications, collaborating with cross-functional teams, and enhancing skills in a supportive environment. Key sk ...

Java DevOps Engineer DV Cleared – Hybrid Cheltenham

IO Associates is searching for a skilled Java Developer with DevOps expertise to join their team in Cheltenham. This role requires active UK*C DV clearance and offers a hybrid work model, typically 3 days on-site per week. In this dynamic position, you'll engage in Java development and utilize tools su ...

Senior Java & C++ Software Engineer — Hybrid UK

A global energy industry leader in Abingdon is looking for a Software Developer to design and develop complex applications. The ideal candidate has over 4 years of experience in Java and C++ development, familiar with Agile methodologies, and excellent problem-solving skills. This position requires hybrid work a ...

Java Spring Boot Cloud Migration Engineer (AWS)

Computer Futures is looking for an engineer in Manchester with expertise in Java and Spring Boot, focused on leading cloud migrations primarily on AWS. The position offers a contract starting with 3 months, likely extending to 6-9 months. You'll be responsible for developing solutions and migrating full product ...

Senior Java Engineer Low Latency Trading Systems

TP ICAP Group Services Ltd is seeking a Senior Java Developer based in the City Of London. The role involves designing and implementing low-latency trading system components while collaborating with diverse teams to ensure optimal performance and stability. Candidates should have substantial experience ...

Senior Java Backend Engineer – Pricing API (London)

Salt is seeking a Senior Java Software Engineer in Greater London for a 6-month stint focused on designing and scaling a high-performance pricing API. This role involves tackling engineering challenges and contributing to a solution that serves over 28 million UK customers weekly. The ideal candidate w ...

Java Backend Engineer – Spring Boot, REST & Kafka

Rockstar in Dundee, Scotland is seeking a Java Backend Developer to design and implement solutions for game development challenges. The ideal candidate has over 3 years of experience in Java backend development, strong command of the Spring Boot ecosystem, and a solid understanding of MySQL. You will contribute ...

Java Backend Engineer Spring & Kafka, Game Tools

Rockstar Games in Dundee is looking for a Java Backend Developer with over 3 years of experience. In this role, you will design and implement solutions to meet fast-paced game development challenges, collaborate with various technology teams, and develop a strong understanding of the systems used across Rockstar ...

Hybrid Backend Engineer — Cloud Security (Golang/Java)

Upwind Security, Inc. in Belfast is seeking an experienced Software Engineer to join our Backend Engineering team. The role involves tackling complex engineering challenges, focusing on the lifecycle of short-life projects using cutting-edge technologies such as Golang, Java, Kubernetes, and Docker. You'll co ...

Java API Engineer Spring Boot & API Gateway

Java API Developer - Northampton Northampton, United Kingdom Posted 10 months ago Tech Stack API Spring Boot SOLID Spring Framework API Gateway OOP Java Object-Oriented Programming < ...

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