1,268 Java jobs in the United Kingdom

Role: Java Developer - Microservices | AWS | Kafka

Location: Manchester (Hybrid - 3 days onsite, 2 days remote)

Salary: Up to 55,000 DOE

My client is looking for a talented Java Developer to join their growing engineering team in Manchester. This is a fantastic opportunity to work on high-scale, cloud-native systems using modern technologies in a collaborative, forward-thinking environment.

The Role:

• Java and the full Spring ecosystem (Spring Boot, Spring Cloud, Spring Data, Spring Cloud Stream)

• Kafka, MongoDB, ElasticSearch, and Redis
• AWS cloud services including Lambda, Step Functions, and general serverless architecture
• Docker and Kubernetes in modern DevOps environments
• Test-driven development (TDD) and clean architecture principles (DDD)
• You'll also contribute to architecture discussions, peer reviews, and technical presentations within the team.

What They're Looking For:

• Strong Java development experience using Spring-based frameworks
• Knowledge of distributed systems and microservices best practices
• Hands-on with Kafka, NoSQL/ElasticSearch, and containerised environments
• Experience with AWS services and cloud-native design
• Comfortable working in Agile teams and contributing to technical direction

This is a fantastic opportunity to be part of a business that is experiencing significant growth and investing in its future success. If you have the skills and experience outlined above, then please send apply with an updated CV.

Please note: This role requires all candidates to have no current or future requirement for sponsorship to work in the UK.

Role: Java Developer - Microservices | AWS | Kafka

Location: Manchester (Hybrid - 3 days onsite)

Salary: Up to 55,000 DOE

Java Developer
Location: London (Hybrid - 3 days in office)
Contract: 6 Months with huge potential for extension (Inside IR35 via Umbrella)
Day Rate: Competitive

Client: Our client is a leading global financial institution with a strong presence in capital markets. They offer a stable, collaborative environment with a focus on trading, risk management, and derivatives. The firm combines global reach with innovative technology to support its front-office operations.

A global financial institution is seeking an experienced Java Developer to join its Front Office Technology team. This role focuses on developing and supporting trading, risk, and analytics platforms, using Java 21 in a fast-paced, collaborative environment.

Key Responsibilities:

• Develop and maintain front-to-back pricing and risk solutions using Java 21
• Collaborate with Front Office, Quants, Risk, and DevOps teams
• Prioritise non-functional requirements such as performance, reliability, and maintainability
• Improve development tooling, deployment pipelines, and overall engineering processes
• Provide level 3 support and contribute to operational excellence

Essential Skills:

• Strong core Java development (streams, lambdas, concurrency APIs)
• Deep understanding of distributed systems and multithreaded architectures
• Proficiency in TDD, agile delivery, and CI/CD for complex enterprise systems
• Experience with performance tuning and monitoring tools (JVisualVM, Prometheus, Elastic Stack)
• Solid Computer Science foundation (algorithms, data structures, concurrency)
• Proven track record delivering applications from design to production

Desirable Experience:

• Background in investment banking, particularly Risk or Pricing domains
• Cloud-native development (EKS, Docker, GRPC, Redis, Prometheus, etc.)
• Kafka, event-driven systems, and stateful workflow orchestration
• Familiarity with financial instruments and risk sensitivities

This is a fantastic opportunity to work on high-impact systems in a top-tier financial organisation with global reach and cutting-edge technology.

Apply now to learn more.

Adecco is a disability-confident employer. It is important to us that we run an inclusive and accessible recruitment process to support candidates of all backgrounds and all abilities to apply. Adecco is committed to building a supportive environment for you to explore the next steps in your career. If you require reasonable adjustments at any stage, please let us know and we will be happy to support you.

Java Developer - Microservices | AWS | Kafka | Manchester (3 Days Onsite)
Location: Manchester (Hybrid - 3 days onsite, 2 days remote)
Salary: 35,000 - 55,000 DOE

My client is looking for a talented Java Developer to join their growing engineering team in Manchester. This is a fantastic opportunity to work on high-scale, cloud-native systems using modern technologies in a collaborative, forward-thinking environment.

The Role:

You'll be building distributed, event-driven microservices using:

• Java and the full Spring ecosystem (Spring Boot, Spring Cloud, Spring Data, Spring Cloud Stream)

• Kafka , MongoDB , ElasticSearch , and Redis

• AWS cloud services including Lambda , Step Functions , and general serverless architecture

• Docker and Kubernetes in modern DevOps environments

• Test-driven development (TDD ) and clean architecture principles (DDD )

You'll also contribute to architecture discussions, peer reviews, and technical presentations within the team.

What They're Looking For:

• Strong Java development experience using Spring-based frameworks

• Knowledge of distributed systems and microservices best practices

• Hands-on with Kafka, NoSQL/ElasticSearch, and containerised environments

• Experience with AWS services and cloud-native design

• Comfortable working in Agile teams and contributing to technical direction

Why Apply?

• Work with cutting-edge technologies and modern engineering practices

• Join a collaborative, engineering-led culture

• Enjoy a hybrid model with 3 days onsite in a vibrant Manchester office

• Salary range of 35,000 - 55,000, depending on experience

In Technology Group Ltd is acting as an Employment Agency in relation to this vacancy.

Software Engineer (Java)
  
To support their aggressive growth targets, my client have identified the need for bespoke systems to streamline and automate their existing production processes. Successful applicants have the exciting task of forming their in-house Software Department, with the key target to develop the production system required to fulfil the needs of the group. This greenfield project aims to make use of cutting edge technology to enable the development of a best in class product.
  
Currently, they have a development team of 5. However, they are now looking for another Software Engineer (Java) to make it 6.
  
Key responsibilities:
  

• Work with the rest of the Software Department team to continually design and develop state of the art production software
• Contribute to all stages of the development lifecycle
• Define application objectives and functionality
• Create detailed design documentation
• Propose and implement changes to current Java infrastructure
• Conduct software analysis, programming, testing and debugging
• Prepare and produce end user documentation
• Support continuous improvement, investigating alternative technologies, and presenting for architectural review

  
Skills & Knowledge:
  
Essential

• Java 17
• Spring Boot
• MongoDB
• AWS
• Docker
• Domain Driven Design
• TDD/BDD
• Basic Frontend Development in React.js/Typescript/HTML/CSS

  
Desirable

• Spring Webflux / Project Rector
• Reactive programming
• Cloud Native Development (AWS SDK/CDK)
• CI/CD Automation (Jenkins)
• ETL/Real Time Analytics/Database Modelling
• Writing Automated Testing Frameworks
• Manufacturing/Supply Chain Experience

  
Further information:
  

• £45,000- £50,000 depending on experience + bonus scheme
• 37 hours per week
• 25 days annual leave
• 7% employer pension contribution (plus 3% employee contribution)
• Optional private healthcare
• Flexible working, 80% remote, 20% office based

Role: Java Developer - Microservices | AWS | Kafka

Location: Manchester (Hybrid - 3 days onsite, 2 days remote)

Salary: Up to 55,000 DOE

My client is looking for a talented Java Developer to join their growing engineering team in Manchester. This is a fantastic opportunity to work on high-scale, cloud-native systems using modern technologies in a collaborative, forward-thinking environment.

The Role:

• Java and the full Spring ecosystem (Spring Boot, Spring Cloud, Spring Data, Spring Cloud Stream)

• Kafka, MongoDB, ElasticSearch, and Redis
• AWS cloud services including Lambda, Step Functions, and general serverless architecture
• Docker and Kubernetes in modern DevOps environments
• Test-driven development (TDD) and clean architecture principles (DDD)
• You'll also contribute to architecture discussions, peer reviews, and technical presentations within the team.

What They're Looking For:

• Strong Java development experience using Spring-based frameworks
• Knowledge of distributed systems and microservices best practices
• Hands-on with Kafka, NoSQL/ElasticSearch, and containerised environments
• Experience with AWS services and cloud-native design
• Comfortable working in Agile teams and contributing to technical direction

This is a fantastic opportunity to be part of a business that is experiencing significant growth and investing in its future success. If you have the skills and experience outlined above, then please send apply with an updated CV.

Please note: This role requires all candidates to have no current or future requirement for sponsorship to work in the UK.

Role: Java Developer - Microservices | AWS | Kafka

Location: Manchester (Hybrid - 3 days onsite)

Salary: Up to 55,000 DOE

Java Developer
Location: London (Hybrid - 3 days in office)
Contract: 6 Months with huge potential for extension (Inside IR35 via Umbrella)
Day Rate: Competitive

Client: Our client is a leading global financial institution with a strong presence in capital markets. They offer a stable, collaborative environment with a focus on trading, risk management, and derivatives. The firm combines global reach with innovative technology to support its front-office operations.

A global financial institution is seeking an experienced Java Developer to join its Front Office Technology team. This role focuses on developing and supporting trading, risk, and analytics platforms, using Java 21 in a fast-paced, collaborative environment.

Key Responsibilities:

• Develop and maintain front-to-back pricing and risk solutions using Java 21
• Collaborate with Front Office, Quants, Risk, and DevOps teams
• Prioritise non-functional requirements such as performance, reliability, and maintainability
• Improve development tooling, deployment pipelines, and overall engineering processes
• Provide level 3 support and contribute to operational excellence

Essential Skills:

• Strong core Java development (streams, lambdas, concurrency APIs)
• Deep understanding of distributed systems and multithreaded architectures
• Proficiency in TDD, agile delivery, and CI/CD for complex enterprise systems
• Experience with performance tuning and monitoring tools (JVisualVM, Prometheus, Elastic Stack)
• Solid Computer Science foundation (algorithms, data structures, concurrency)
• Proven track record delivering applications from design to production

Desirable Experience:

• Background in investment banking, particularly Risk or Pricing domains
• Cloud-native development (EKS, Docker, GRPC, Redis, Prometheus, etc.)
• Kafka, event-driven systems, and stateful workflow orchestration
• Familiarity with financial instruments and risk sensitivities

This is a fantastic opportunity to work on high-impact systems in a top-tier financial organisation with global reach and cutting-edge technology.

Apply now to learn more.

Adecco is a disability-confident employer. It is important to us that we run an inclusive and accessible recruitment process to support candidates of all backgrounds and all abilities to apply. Adecco is committed to building a supportive environment for you to explore the next steps in your career. If you require reasonable adjustments at any stage, please let us know and we will be happy to support you.

Java Developer - Microservices | AWS | Kafka | Manchester (3 Days Onsite)
Location: Manchester (Hybrid - 3 days onsite, 2 days remote)
Salary: 35,000 - 55,000 DOE

My client is looking for a talented Java Developer to join their growing engineering team in Manchester. This is a fantastic opportunity to work on high-scale, cloud-native systems using modern technologies in a collaborative, forward-thinking environment.

The Role:

You'll be building distributed, event-driven microservices using:

• Java and the full Spring ecosystem (Spring Boot, Spring Cloud, Spring Data, Spring Cloud Stream)

• Kafka , MongoDB , ElasticSearch , and Redis

• AWS cloud services including Lambda , Step Functions , and general serverless architecture

• Docker and Kubernetes in modern DevOps environments

• Test-driven development (TDD ) and clean architecture principles (DDD )

You'll also contribute to architecture discussions, peer reviews, and technical presentations within the team.

What They're Looking For:

• Strong Java development experience using Spring-based frameworks

• Knowledge of distributed systems and microservices best practices

• Hands-on with Kafka, NoSQL/ElasticSearch, and containerised environments

• Experience with AWS services and cloud-native design

• Comfortable working in Agile teams and contributing to technical direction

Why Apply?

• Work with cutting-edge technologies and modern engineering practices

• Join a collaborative, engineering-led culture

• Enjoy a hybrid model with 3 days onsite in a vibrant Manchester office

• Salary range of 35,000 - 55,000, depending on experience

In Technology Group Ltd is acting as an Employment Agency in relation to this vacancy.

Software Engineer (Java)
  
To support their aggressive growth targets, my client have identified the need for bespoke systems to streamline and automate their existing production processes. Successful applicants have the exciting task of forming their in-house Software Department, with the key target to develop the production system required to fulfil the needs of the group. This greenfield project aims to make use of cutting edge technology to enable the development of a best in class product.
  
Currently, they have a development team of 5. However, they are now looking for another Software Engineer (Java) to make it 6.
  
Key responsibilities:
  

• Work with the rest of the Software Department team to continually design and develop state of the art production software
• Contribute to all stages of the development lifecycle
• Define application objectives and functionality
• Create detailed design documentation
• Propose and implement changes to current Java infrastructure
• Conduct software analysis, programming, testing and debugging
• Prepare and produce end user documentation
• Support continuous improvement, investigating alternative technologies, and presenting for architectural review

  
Skills & Knowledge:
  
Essential

• Java 17
• Spring Boot
• MongoDB
• AWS
• Docker
• Domain Driven Design
• TDD/BDD
• Basic Frontend Development in React.js/Typescript/HTML/CSS

  
Desirable

• Spring Webflux / Project Rector
• Reactive programming
• Cloud Native Development (AWS SDK/CDK)
• CI/CD Automation (Jenkins)
• ETL/Real Time Analytics/Database Modelling
• Writing Automated Testing Frameworks
• Manufacturing/Supply Chain Experience

  
Further information:
  

• £45,000- £50,000 depending on experience + bonus scheme
• 37 hours per week
• 25 days annual leave
• 7% employer pension contribution (plus 3% employee contribution)
• Optional private healthcare
• Flexible working, 80% remote, 20% office based

UK CITIZENSHIP REQUIRED FOR THIS POSITION: Yes
RELOCATION ASSISTANCE: Relocation assistance may be available
CLEARANCE TYPE: UK-Highest Level of Government Clearance
TRAVEL: Yes, 10% of the Time
**Define Possible at Northrop Grumman UK**
At Northrop Grumman UK, our mission is to solve the most complex challenges by shaping the technology and solutions of tomorrow. We call it Defining Possible.
This mind-set goes beyond our customer solutions; it's the foundation for your career development and the impact we have within the community. So, what's your possible?
**Opportunity:**
This is more than just a job; it's a mission.
As a Backend developer you play a pivotal role in designing, developing and maintaining the critical backend infrastructure that powers our services. You will be self-driven and organised with a passion for building elegant and stable solutions. You will have the chance to work on a variety of exciting projects with complex challenges within a unique space. You'll be at the forefront of delivering core solutions that have real world impact.
Our UK Cyber & Intelligence business combines modern software development approaches with a rich heritage and experience in the Defence and security sectors. Our customers have complex and sensitive data and information requirements requiring a mission partner who quickly understands the context, delivering and sustaining a portfolio of challenging technology projects at scale and pace, supporting them through an ambitious digital transformation programme.
_"My purpose is to lead a team of engineers, rise to the challenges presented, push the boundaries and define possible together."_ - Chris Rayner, Engineering Authority at Northrop Grumman UK.
**Responsibilities:**
+ Design & develop robust and scalable front-end applications using modern technologies and best practices.
+ Get involved in the entire software development lifecycle from requirements gathering to design, implementation, test and deployment.
+ Collaborate effectively with cross-functional teams including product, front-end development and QA.
+ Mentor and guide junior developers contributing to the overall team's growth.
**Benefits:**
We can offer you a range of flexible, hybrid and remote working options to suit you, including optional compressed working schedule with every other Friday off. Our benefits including private health care, career development opportunities and performance bonuses. For a comprehensive list of benefits, speak to our recruitment team.
**We are looking for:**
+ 2+ years of experience as a Software Developer with a strong focus on Backend Java development and it's ecosystem (Spring boot, Maven)
+ Proven experience in designing, developing & deploying scalable backend systems.
+ Familiarity with CICD, containerisation, deployment technologies & cloud platforms (Jenkins, Kubernetes, Docker, AWS).
+ Excellent communication, collaboration & problem solving skills, ideally with some experience in agile ways of working.
**Security clearance:**
You must be able to gain and maintain the highest level of UK Government security clearance. Our requirement team is on hand to answer any questions and we will guide you through the process: .
**Why join us?**
+ **A mission to believe in** **-** Every day we contribute to building a more secure and connected world, expanding our reach from land, sea, and air to space and cyberspace. From engineering data and intelligence solutions, to developing maritime navigation and control systems and innovating command and control systems for the UK and NATO, what we do together matters.
+ **A place to belong and thrive** **-** Every voice matters at our table meaning you can bring your authentic self to work. From our Employee Resource Groups backed by thousands of employees, to sponsoring Cheltenham Pride and our partnerships with Association For Black and Minority Ethnic Engineers, Forces Transition Group, Mind, and Women in Defence - we are passionate about growing and supporting our inclusive community where everyone can belong.
+ **Your career, your way** - Shape your career journey with diverse roles, mentorship, and development opportunities that fuel your curiosity, channel your expertise and nurture your passion. Looking for flexibility? Balance your professional career with your personal life, health and wellbeing benefits, discount schemes, pension benefits and investment in your future development. Speak to our team to find the balance that's right for you.
**Ready to apply?**
**Yes** - Submit your application online. Your application will be reviewed by our team and we will be in touch.
**Possibly, I'd like to find out more** **about this role** - Reach out to our team for more information and support: .
**No, I don't think this role is right for me** - Our extensive UK growth means we have exciting, new opportunities opening all the time. Speak to our team to discuss your career goals.
Northrop Grumman is committed to hiring and retaining a diverse workforce, and encourages individuals from all backgrounds and all abilities to apply and consider becoming a part of our diverse and inclusive workforce.