86,994+ Principal Backend Developer Java Jobs in UK — Top Companies Hiring July 2026

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Principal Backend Developer (Java)

This job is with Capco, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly.Principal Backend Engineer – Java<br data- ...

Principal Backend Developer (Java)

This job is with Capco, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly.Principal Backend Engineer – Java<br data- ...

Backend Developer Java

Location: Edinburgh (Hybrid) | Type: Permanent The Role Capco is growing our Engineering team and we’re looking for experienced Backend Engineers with strong Java skills and a passion for delivering innovative solutions in financial services. If you enjoy solving complex problems, working ...

Backend Java Developer

Max Supplier Charge rate: 585 Clearance required: SC (It needs to be an active SC with a government agency used within the last 6 months or a HO SC) Location: London, Croydon (Remote, with occasional, infrequent office days) Job Description Experience of Java < ...

Backend Developer (Java)

Backend Software Engineer - Java at Capco Location: Glasgow (Hybrid) | Type: Permanent The Role Capco is growing our Engineering team and we’re looking for experienced Backend Engineers with strong Java skills and a passion for delivering innovative solutions in ...

Java Backend Developer

About the Role: Job Title – Java Backend Developer Location – London, UK Mode of Work – Hybrid (3 Days Onsite Per Week) -Must Type of Hiring – Fixed Term Employment (FTE) Project Duration – 12 Months (Possible Extension) ...

Backend Java Developer

Location: London Job Type: Contract Industry: Digital Workspace Job reference: BBBH441529_1781599759 Posted: about 2 hours ago Backend Java Developer Max Supplier Charge rate: 585 Clearance required: SC (It needs to be an active SC with a government agency used within the last 6 months or a HO SC)<b ...

Backend Java Developer

Location: London Job Type: Contract Industry: Digital Workspace Job reference: BBBH441529_1781599759 Posted: about 2 hours ago Backend Java Developer Max Supplier Charge rate: 585 Clearance required: SC (It needs to be an active SC with a government agency used within the last 6 months or a HO SC)<b ...

Backend Java Developer

Overview This role focuses on building and maintaining backend microservices using modern Java (17+) and event-driven architectures powered by Kafka. The position involves working across distributed systems, REST APIs, CI/CD pipelines, and containerised cloud-native environments using tools like D ...

Backend Developer (Java)

This job is with Capco, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly.Backend Software Engineer - Java at CapcoLocation: Edinburgh (Hybrid) | Type: Permanent ...

Principal Backend Engineer (Java)

Principal Backend Engineer - Java Location: London (Hybrid) | Type: Permanent The Role Capco is growing our Engineering team - and we're looking for experienced Principal Backend Engineers with strong Java skills and a passion for delivering innovati ...

Principal Backend Engineer Java

This job is with Capco, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly.Principal Backend Engineer - JavaLocation: London (Hybrid) | Type: Permanent ...

Lead Java Backend Developer

City of Bristol, United Kingdom | Posted on 01/12/2025 We provide end-to-end IT solutions and services including Applications services, Data & Analytics services, AI/ML Technologies and Professional services in the UK and EU market. Job Description Mandatory Skills (Hands-on Exper ...

Principal Java Developer

Can you think strategically and connect the dots across projects to shape the bigger picture?Do you thrive in fast-paced, agile environments, enjoy exploring smarter ways of working, and love to collaborate across diverse teams?Are you passionate about continuous learning and building impactf ...

Principal Java Developer

Can you think strategically and connect the dots across projects to shape the bigger picture?Do you thrive in fast-paced, agile environments, enjoy exploring smarter ways of working, and love to collaborate across diverse teams?Are you passionate about continuous learning and building impactf ...

Principal Engineer (Backend focus Java)

Job Description: Principal EngineerRole Title: Principal Engineer (Tech Lead)Location: London (Hybrid - 3 days per week)Reporting to: Delivery Lead / Client Services DirectorCore Tech: Java, React, AWSWho We AreWe’re on a mission to close the worl ...

Principal Engineer (Backend focus Java)

Job Description: Principal EngineerRole Title: Principal Engineer (Tech Lead)Location: London (Hybrid - 3 days per week)Reporting to: Delivery Lead / Client Services DirectorCore Tech: Java, React, AWSWho We AreWe’re on a mission to cl ...

Principal Engineer (Backend focus Java)

Job Description: Principal EngineerRole Title: Principal Engineer (Tech Lead)Location: London (Hybrid - 3 days per week)Reporting to: Delivery Lead / Client Services DirectorCore Tech: Java, React, AWSWho We AreWe’re on a mission to cl ...

Principal Engineer (Backend focus Java)

Job Description: Principal EngineerRole Title: Principal Engineer (Tech Lead)Location: London (Hybrid - 3 days per week)Reporting to: Delivery Lead / Client Services DirectorCore Tech: Java, React, AWSWho We AreWe’re on a mission to close the worl ...

Senior Backend Developer ( Go/Java)

Senior Backend Engineer (Go / Java) - Exciting NEW Exclusive OchoX FDI - Remote first company Salary circa £100k+ bonus + benefits Please note candidates should reside in Northern Ireland to be eligible to apply. About the Company: ...

Backend Java Developer Sprint 2

Introduction At IBM Consulting UK FutureNow, you’ll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors. You’ll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and ...

Principal Risk Java developer

I am currently working with a London-based Financial Services client who are actively seeking a Principal Java Developer with extensive experience in the Risk and Market Data space.What you'll need to succeed : Strong server-side Java Development experience in a lead role working on Ris ...

Principal Risk Java developer

I am currently working with a London-based Financial Services client who are actively seeking a Principal Java Developer with extensive experience in the Risk and Market Data space.What you'll need to succeed : Strong server-side Java Development experience in a lead role working on Ris ...

Principal Java Developer / Consultant

Principal Java Developer / Consultant (Java Spring Boot AWS) London / WFH to £120kAre you an experienced Java Developer, with technical project leadership and client facing skills?You could be progressing your career at a global technology consultancy.What's in it for you:</ ...

Principal Java Developer / Consultant

Principal Java Developer / Consultant (Java Spring Boot AWS) London / WFH to £120kAre you an experienced Java Developer, with technical project leadership and client facing skills?You could be progressing your career at a global technology consultancy.What's in it for you:</ ...

Software Engineer, Backend Developer Java IAM

Salary Salary: £60,540 - 60,540 per year Requirements 8+ years working with backend technologies including Java and Java frameworks Expertise in web development and DevOps practices (CI/CD, version control) Strong knowledge in security and identity ma ...

Backend Java/Kotlin Developer — Microservices & Agile

TESTQ Technologies Limited in Sheffield is looking for a skilled backend developer to collaborate with a cross-functional team. The role includes designing and implementing backend features, building APIs and microservices, and working in an agile CICD environment. Candidates should have experience in Java, be w ...

Remote Backend Java Developer — Ownership & Growth

Join a remote-first team as a contract Backend Developer, where you'll take ownership of key technical decisions, collaborate with cross-functional teams, and contribute to an exciting project in the independent music space. Enjoy flexibility, growth opportunities, and a supportive culture. What’s I ...

Java Backend Developer – APIs & Microservices (Hybrid)

Halliburton is seeking a skilled Java Developer for its Neftex Technical Services Team based in Milton, England. The successful candidate will design, develop, and maintain subsurface evaluation solutions while collaborating closely with product owners and other stakeholders. This role is hybrid, requiring at ...

Backend Engineer, Developer Enablement (Java/Kotlin)

A global financial services firm in Belfast is seeking a server side engineer to join its Chief Technology Office. This role emphasizes driving solutions within projects like SDLC Automation and Release on Demand, enhancing productivity for 30k engineers. The ideal candidate will write quality code in Kotlin or ...

Hybrid Java & .NET Cloud Backend Developer

Sky is seeking a Backend Engineer to build and maintain cloud-based services as part of its Group Content Platform. This role involves working with Java, .NET, and various cloud technologies to enhance performance and reliability. Ideal candidates will have strong experience with backend services and f ...

Junior Backend Developer Java, Agile & Cloud

Tech Marketer in Whiteley seeks a Back End Developer to deliver high-quality digital platforms using Java technologies. Applicants should possess strong communication skills and experience in the complete project life cycle. This role provides a unique opportunity to work in a fast-growing startup with signif ...

SC Cleared Backend Java Developer — Remote

Experis UK is seeking a skilled Java Developer in Greater London. This role involves working with Java and the Spring framework, alongside CI/CD processes. The position allows for remote work with occasional office days in Croydon. The ideal candidate will be proficient in containerization techniques u ...

Frontend Web Developer — React + Java Backend

Citigroup Inc. is seeking a motivated Front‑end Web Developer to join our development team in Belfast. The ideal candidate will work closely with a team to build, test, and maintain web applications, primarily using React on the frontend and Java on the backend. Responsibilities include developing user ...

Java Backend Developer — Microservices & Spring Boot

Net2Source (N2S) is looking for a Java Backend Developer based in London, UK, to work in a hybrid mode. This role focuses on building high-quality software and requires expertise in Java, Microservices, and Spring Boot. Candidates should have up to 5 years of experience, with a degree in Computer Science or E ...

Remote Backend Java Developer (SC Cleared)

Experis - ManpowerGroup is seeking a Backend Java Developer with experience in Java and the Spring framework. This role allows for remote work with occasional office days in London, Croydon. Candidates must be experienced in software design patterns, development processes, containerisation using Docker or Kub ...

Java Backend Engineer

Net2Source Inc. is one of the fastest growing diversities certified global workforce solutions companies with an unprecedented YoY growth of over 100% for last 6 years working with Fortune 1000/Global 2000 across 34 countries and 5 continents including North America, South America, Europe, Asia, Australia, ...

Backend Java Engineer

Software Engineer (Java) Are you passionate about building software solutions that engage millions of sports fans worldwide? Do you want to work in a collaborative environment, building cutting‑edge technology that powers web and native applications across the sports industry? If so, we w ...

Backend Java Engineer

Crisil Integral IQ delivers solutions and analytics to top financial institutions, driving strategic transformation, risk optimization, and operational excellence. Our offerings across research, risk, lending, analytics and operations have empowered clients to navigate complex markets, mitigate risks and u ...

Software Engineer, Developer, Backend Java Identity IAM

Software Engineer, Developer, Backend Java Identity - IAM Contract Until End of December 2026 (Renewable) Rate: £600 per day Inside IR35 Location:Essex based offices (between Brentwood and Basildon) 4 days a ...

Backend Java Developer – Data Fabric / Platform Engineering

Backend Java Developer – Data Fabric / Platform Engineering Location: London (Hybrid)Employment: PermanentSalary: £70,000 – £90,000 base (dependent on experience) If your idea of backend engineering is more than CRUD APIs and microservices boilerpla ...

Java Full Stack Developer | Frontend & Backend Engineer

Java Script Works, located in Greater London, is looking for a skilled Java Full Stack Developer. The ideal candidate should be proficient in Java for back-end development and experienced in front-end technologies like HTML, CSS, and JavaScript, alongside frameworks such as React or Angular. Responsibilities inc ...

Software Engineer, Developer, Backend Java Identity IAM

Software Engineer, Developer, Backend Java Identity - IAM Contract Until End of December 2026 (Renewable) Rate: £600 per day Inside IR35 Location:Essex based offices (between Brentwood and Basildon) 4 days a ...

Remote Java Backend Developer | AWS Microservices Expert

Ubique Systems is seeking a Java Backend Developer with 8-12 years of experience to design and maintain scalable services and APIs. The role is remote within Bournemouth, offering an opportunity to work on cloud-native applications using AWS technologies. The ideal candidate will have strong expertise ...

Software Engineer, Developer, Backend Java Identity IAM

Software Engineer, Developer, Backend - Java - Identity - IAM Contract - Until End of December 2026 (Renewable) Rate: £600 per day - Inside IR35 Location:Essex based offices (between Brentwood and Basildon) 4 days a week </str ...

Java Developer / Java Developer Lead

Overview We are hiring Java Developers at Mid to Lead level for a contract role in Burgess Hill, UK, with a hybrid working arrangement of 2 days onsite. The role is focused on enterprise-scale workflow automation and digital transformation programmes, and it is ideal for engineers with strong Jav ...

Java Developer / Java Developer Lead

Salary: £40,000 - 46,000 per year Requirements Java 11/17+ Spring Boot Camunda REST APIs Microservices Architecture Workflow Design & Process Orchestration Error Handling / Exception Management Event-Based ...

Java Developer / Java Developer Lead

Salary: £40,000 - 46,000 per year Requirements Java 11/17+ Spring Boot Camunda REST APIs Microservices Architecture Workflow Design & Process Orchestration Error Handling / Exception Management Event-Based ...

Backend Developer

Backend Developer (Node.js / TypeScript) – Crewe, Hybrid Skills: Node.js, TypeScript, AWS, ECS, EC2, Lambda, S3, DynamoBD, Kinesis, SQS, SNS, Docker, Kubernetes, Git, Gitlab, CI/CD, PostgreSQL, MySQL, Mocha, Sinon. Backend Developer to join a fast-growing, tech-driven cl ...

Backend Developer

My client, a startup in London, is looking for a Backend Engineer. For full details, please apply. Qualifications Enthusiasm for developing technologies to solve real problems Confidence to challenge our engineering customs and practices Overwhelming desi ...

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