backend java developer jobs in United Kingdom

Job Description Java Backend Developer - Inside IR35 - 5 days on Site - £400 Per Day - 6 Months About the Role: - Design, develop, and maintain scalable microservices using Java and Spring Boot. - Build and optimize real-time data pipelines leveraging Apache Kafka, Flink, and Spark/Databricks. - Develop robust data distribution and streaming solutions for high-throughput systems. - Deploy,...

Job Description We at Qualient Technology Solutions are looking for a Java Backend Developer based in Bournemouth, UK. Role Title: Java Backend Developer Role Type: Contract (inside ir35) Role Location: Bournemouth, UK Job Description:- About the Role: Design, develop, and maintain scalable microservices using Java and Spring Boot. Build and optimize real-time data pipelines leveraging...

About the Company: Our client is a fast growing global trading firm building a brand new engineering hub in Belfast in 2026. Founded by a team of technologists and financial experts, the company develops advanced trading platforms and enterprise systems that operate at scale, supporting a wide range of strategies and asset classes. Having successfully navigated multiple market cycles, they're now...

Mid-Level Java Developer – Trading £100,000 Plus Large Prop Bonus Quant Capital is urgently looking for a Core Java Developer to join a well known trading firm. Our client is an innovative tech driven trading (Equities and ETF’s) company with a pioneering new concept for the financial markets with their big data technology platform. They have assembled a top team from across the financial markets...

Backend Staff Engineer / Developer (Java AWS PostgreSQL) London / WFH to £120k Are you a backend focussed technologist with leadership skills? You could be progressing your career, in a senior, hands-on technical leadership role at a technology driven market research company that is scaling rapidly, having raised Series B funding of $60m, whilst enjoying hybrid working and a huge range of perks...

Job Description Backend Staff Engineer / Developer (Java AWS PostgreSQL) London / WFH to £120k Are you a backend focussed technologist with leadership skills? You could be progressing your career, in a senior, hands-on technical leadership role at a technology driven market research company that is scaling rapidly, having raised Series B funding of $60m, whilst enjoying hybrid working and a...

LocationSheffield, United Kingdom# Sr Java Backend Engineer /Principal Consultant at N Consulting LtdLocationSheffield, United KingdomSalary£450 - £550 /dayJob TypeFull-timeDate PostedDecember 22nd, 2025Apply Now**Job Title: Sr Java Backend Engineer****Location: Sheffield,UK****Work Mode: Hybrid****Principal Consultant/ Program Manager****Required Skills:****– Spring Boot &...

Sr Java Backend Engineer /Principal Consultant Join to apply for the Sr Java Backend Engineer /Principal Consultant role at Natobotics - Hands‐on expertise with Spring Boot (REST APIs, Microservices) - Experience building and deploying containerised applications (Docker) - Solid working knowledge of Kubernetes (deployment, scaling, config maps, secrets) - Experience with cloud platforms (AWS /...

Job Description We are seeking a passionate and skilled Software Engineer to join our dynamic team. In this role, you will design, develop, and maintain enterprise-grade applications using Java and Spring Boot, working extensively with Oracle and PostgreSQL databases. You will play a key part in our cloud-native journey, leveraging Docker, Kubernetes, and modern monitoring tools to deliver...

Job Description Lead Java Developer HealthTech SaaS | Tech for GoodUK-based, Fully Remote, Up to £75k, Excellent Benefits, Permanent Lead Java Developer is required by our successful HealthTech scale-up client. You'll be leading a small, focused engineering team (5 developers) working on full-stack development withJava/Spring Booton the backend andReact Nativefor mobile. You will: - Lead...

Greetings! We are Hiring Location flexibility -UK, Bristol only 3 days/week mandatory Project duration-12 months What we need from you / essential skills & experience: - Extensive knowledge of writing secure scalable enterprise-grade Go applications - Experience of RESTAPIs, containerisation technologies, micro-services architecture - Ability to work collaboratively within a team as well as...

We are hiring on behalf of our client, a rapidly scaling SaaS business, for multiple Full Stack Developers (junior to senior level, including a strong No.2 role) to help build and scale the backend of their systems. This is a backend-heavy role, but with opportunities to contribute across the stack. You’ll be building robust APIs, structuring databases, and working on applications that power...

Job Description Role: Senior Java Developer (Contract) Work Type: Onsite (5 days RTO) Location: Glasgow or Bournemouth Job Summary We are looking for an experienced Senior Java Full Stack Engineer to design, develop, and maintain high-performance enterprise applications. The ideal candidate will have strong backend expertise with Java and Spring Boot, hands-on AWS experience, and some...

Job Description Job Title: Java Developer Location: UK Experience: 2–5 years Education: Bachelors in Science (IT/Computer Science/Engineer) Employment Type: Full-Time UK based candidates only. Job Summary: We are seeking an experienced Java Developer with 2 to 3 years of hands-on experience in building applications using Java, Spring Boot, and Microservices architecture. The ideal...

Backend Staff Engineer / Developer (Java AWS PostgreSQL) London / WFH to £120k Are you a backend focussed technologist with leadership skills? You could be progressing your career, in a senior, hands-on technical leadership role at a technology driven market research company that is scaling rapidly, having raised Series B funding of $60m, whilst enjoying hybrid working and a huge range of perks...

Java Backend Developer - Inside IR35 - 5 days on Site - £400 Per Day - 6 Months Do not wait to apply after reading this description a high application volume is expected for this opportunity. About the Role: - Design, develop, and maintain scalable microservices using Java and Spring Boot. - Build and optimize real-time data pipelines leveraging Apache Kafka, Flink, and Spark/Databricks. -...

We at Qualient Technology Solutions are looking for a Java Backend Developer based in Bournemouth, UK. Role Title: Java Backend Developer Role Type: Contract (inside ir35) Role Location: Bournemouth, UK Job Description:- About the Role: Design, develop, and maintain scalable microservices using Java and Spring Boot. Build and optimize real-time data pipelines leveraging Apache Kafka, Flink, and...

Backend Staff Engineer / Developer (Java AWS PostgreSQL) London / WFH to £120k Please double check you have the right level of experience and qualifications by reading the full overview of this opportunity below. Are you a backend focussed technologist with leadership skills? You could be progressing your career, in a senior, hands-on technical leadership role at a technology driven market...

Java Backend Developer - Inside IR35 - 5 days on Site - £400 Per Day - 6 Months About the Role: Design, develop, and maintain scalable microservices using Java and Spring Boot. Build and optimize real-time data pipelines leveraging Apache Kafka, Flink, and Spark/Databricks. Develop robust data distribution and streaming solutions for high-throughput systems. Deploy, manage, and monitor services...

Job Description Senior Java Developer / Engineer (Java Full Stack SC Clearance) Guildford / WFH to £80k Do you have strong Java skills combined with full stack development experience? You could be progressing your career in a senior, hands-on role at a scaling technology company that produces software solutions for the defence and civil aviation sector. As a Senior Java Developer you will...