Java Engineer in London

Java Engineer in London

London Full-Time 36000 - 60000 ÂŁ / year (est.) No home office possible
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ALTEN

At a Glance

  • Tasks: Develop high-quality Java applications and collaborate on innovative defence projects.
  • Company: ALTEN, a global engineering consultancy with a focus on technology and sustainability.
  • Benefits: Competitive salary, private medical insurance, flexible working, and career development opportunities.
  • Why this job: Join a passionate team and shape the future of technology while making a real impact.
  • Qualifications: Experience in Java development, REST APIs, and familiarity with Agile practices.
  • Other info: Diverse projects, supportive culture, and commitment to inclusion and military community.

The predicted salary is between 36000 - 60000 ÂŁ per year.

ALTEN is a global engineering and technology consultancy operating across over 35 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, IT and many more to deliver innovative engineering solutions that drive technological advancement and support sustainable transformation.

Our teams of passionate and agile engineers work on cutting‐edge projects that shape the future of technology and sustainability. At ALTEN, we empower talented engineers to innovate, solve complex challenges, and deliver impactful solutions that build tomorrow's world—today.

We are looking for an experienced Java Engineer to support a long‐term defence project based in Dorset. This role involves hands‐on development, secure coding, and contributing to system design within a highly regulated environment.

Location: Dorset

On Site: 3x onsite

Clearance: SC

Experience Level: Mid - Senior

Key Responsibilities:

  • Work through Java development tickets and deliver high‐quality code
  • Design, build, and maintain Java applications within a service‐oriented architecture
  • Develop and manage RESTful APIs for system integration
  • Collaborate with multidisciplinary teams to ensure all work meets strict security and defence standards
  • Contribute to system design sessions and architecture reviews using Enterprise Architect
  • Follow Agile development practices and support continuous improvement

Qualifications Required Skills:

  • Mandatory engineering experience
  • Proven background in building REST APIs
  • Proficient with IntelliJ IDEA
  • Familiar with Atlassian tools (Jira, Confluence, etc.)
  • Experience using Enterprise Architect for system modelling
  • Understanding of defence‐sector requirements and secure coding principles

Required Qualifications:

  • A Bachelor's or Master's degree in Engineering, or equivalent military experience.
  • Experience in any highly regulated sector (defence, aerospace, government, telecoms, finance, etc.)
  • Knowledge of modern software architecture approaches (service‐oriented, modular, microservices)
  • Exposure to CI/CD pipelines or automated testing frameworks
  • Understanding of integration between complex systems
  • Familiarity with UML or other modelling/diagramming methods
  • Strong problem‐solving skills and ability to work collaboratively
  • Willingness to learn domain‐specific standards and security requirements

Additional Information:

We bring together entrepreneurial, tech-driven people to deliver innovative solutions for leading companies. At ALTEN, you'll work on exciting projects, supported by ongoing learning, mentoring, and clear career development tailored to your goals. Join a passionate team and help build tomorrow, today.

  • A personalised career path and a rewarding management style
  • A huge diversity of engineering projects and industries
  • Private Medical Insurance
  • Employee assistance programme
  • Life insurance & Pension Scheme
  • Social atmosphere, regular gatherings & team buildings
  • Flexible way of working (role dependent)

We are proud to support the Armed Forces Covenant and actively encourage applications from members of the Armed Forces community, including veterans, reservists, service leavers, and military spouses/partners. We recognise the value of military skills and experience and are committed to ensuring that no applicant is unfairly disadvantaged during our recruitment and selection processes.

ALTEN is committed to fostering a diverse and inclusive workplace and values the strength that comes from a global mix of backgrounds and perspectives. We welcome applications from all suitably qualified candidates, regardless of background or protected characteristics under the Equality Act 2010. If you require any reasonable adjustments during the recruitment process, please let us know.

This role may require you to have or be willing to go through Security Clearance. As part of the onboarding process candidates will be asked to complete a Baseline Personnel Security Standard; details of the evidence required to apply may be found on the government website Gov.UK. If you are unable to meet this and any associated criteria, then your employment may be delayed, or rejected. Details of this will be discussed with you at interview.

Java Engineer in London employer: ALTEN

ALTEN is an exceptional employer that offers a dynamic work environment in Dorset, where talented engineers can thrive on innovative projects within the defence sector. With a strong focus on employee growth through tailored career paths, ongoing learning, and a supportive team culture, ALTEN fosters a diverse and inclusive workplace that values collaboration and creativity. Enjoy benefits such as private medical insurance, flexible working arrangements, and regular team-building activities while contributing to meaningful engineering solutions that shape the future.
ALTEN

Contact Detail:

ALTEN Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Java Engineer in London

✨Tip Number 1

Network like a pro! Reach out to your connections in the industry, attend meetups, and join online forums. You never know who might have the inside scoop on job openings or can refer you directly to hiring managers.

✨Tip Number 2

Show off your skills! Create a portfolio showcasing your Java projects, especially those involving REST APIs and secure coding. This will give potential employers a taste of what you can do and set you apart from the crowd.

✨Tip Number 3

Prepare for interviews by brushing up on Agile practices and system design principles. Be ready to discuss how you've tackled complex challenges in past projects, as this will demonstrate your problem-solving skills and collaborative spirit.

✨Tip Number 4

Don't forget to apply through our website! It’s the best way to ensure your application gets noticed. Plus, we love seeing candidates who are proactive about their job search!

We think you need these skills to ace Java Engineer in London

Java Development
REST API Development
Secure Coding
System Design
Service-Oriented Architecture
IntelliJ IDEA
Atlassian Tools (Jira, Confluence)
Enterprise Architect
Agile Development Practices
CI/CD Pipelines
UML Modelling
Problem-Solving Skills
Collaboration
Understanding of Defence-Sector Requirements

Some tips for your application 🫡

Tailor Your CV: Make sure your CV is tailored to the Java Engineer role. Highlight your experience with REST APIs, secure coding, and any relevant projects you've worked on. We want to see how your skills align with what we're looking for!

Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you're passionate about this role and how your background in engineering makes you a great fit. Don't forget to mention your familiarity with Agile practices and any experience in regulated sectors.

Showcase Your Problem-Solving Skills: In your application, give examples of how you've tackled complex challenges in previous roles. We love engineers who can think outside the box and come up with innovative solutions, especially in high-pressure environments like defence.

Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way to ensure your application gets into the right hands. Plus, you'll find all the details you need about the role and our company culture there!

How to prepare for a job interview at ALTEN

✨Know Your Java Inside Out

Make sure you brush up on your Java skills before the interview. Be prepared to discuss your experience with building REST APIs and using IntelliJ IDEA. Practising coding challenges can help you demonstrate your problem-solving abilities during technical discussions.

✨Familiarise Yourself with Defence Standards

Since this role involves working in a highly regulated environment, it’s crucial to understand defence-sector requirements and secure coding principles. Research common security practices and be ready to discuss how you've applied them in past projects.

✨Showcase Your Collaborative Spirit

ALTEN values teamwork, so be prepared to share examples of how you've collaborated with multidisciplinary teams. Highlight any experiences where you contributed to system design sessions or architecture reviews, as this will show your ability to work well with others.

✨Embrace Agile Methodologies

Since the role follows Agile development practices, be ready to talk about your experience with Agile methodologies. Discuss how you've supported continuous improvement in your previous roles and how you adapt to changing project requirements.

Java Engineer in London
ALTEN
Location: London
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