Java Developer

Based at client locations, working remotely, or based in our Godalming or Milton Keynes offices.

Salary Negotiable, DoE, plus company benefits.

About Us

Triad Group Plc is an award-winning digital, data, and solutions consultancy with over 35 years’ experience primarily serving the UK public sector and central government. We deliver high-quality solutions that make a real difference to users, citizens and consumers.

At Triad, collaboration thrives, knowledge is shared, and every voice matters. Our close-knit, supportive culture ensures you’re valued from day one. Whether working with cutting-edge tech or shaping strategy for national-scale projects, you’ll be trusted, challenged, and empowered to grow.

We nurture learning through communities of practice and encourage creativity, autonomy, and innovation. If you’re passionate about solving meaningful problems with smart and passionate people, Triad could be the place for you.

• Glassdoor score of 4.7
• 96% of our staff would recommend Triad to a friend
• 100% CEO approval

See for yourself some of the work that makes us all so proud:

• Helping law enforcement with secure intelligence systems that keep the UK safe
• Supporting the UK’s national meteorological service in leveraging supercomputers for next-level weather forecasting
• Assisting the British government department that is responsible for the safety of consumer products, with systems to track unsafe products
• Powering systems that help the government monitor and reduce greenhouse gas emissions from commercial transport

Role Summary

Triad is seeking a Java Developer to play a key role in our client assignments. You will design, develop, and deploy high-quality software solutions that meet our clients’ needs. You will work closely with stakeholders, ensuring alignment with business objectives while maintaining high coding and security standards. As part of an agile team, you will contribute to the full software development lifecycle from requirement analysis to deployment and support. 

Key Responsibilities:

• Design, develop, and maintain scalable Java applications using Java 17+ and Spring Boot.
• Develop and integrate RESTful APIs and microservices, ensuring alignment with cloud-native architectures.
• Collaborate with Agile teams and contribute to the full software development lifecycle using a User Centred Design approach.
• Conduct unit and integration testing using frameworks such as JUnit and Mockito to ensure high code quality.
• Implement DevOps best practices including CI/CD pipeline setup and maintenance (e.g., Jenkins, GitLab CI).
• Liaise with stakeholders, clients, and end users to understand requirements and deliver effective software solutions.
• Apply SOLID and DRY principles to ensure maintainable and scalable code.
• Work with relational and/or NoSQL databases (e.g., PostgreSQL, MongoDB).
• Communicate effectively across multidisciplinary teams, both verbally and in writing. 

Skills and Experience:

• Proficient in Java development (Java 17+).
• Strong hands-on experience with Spring Boot, Hibernate, and REST API development.
• Familiarity with microservices architecture and major cloud platforms (AWS, Azure, GCP).
• Experienced in Agile methodologies and iterative delivery processes.
• Skilled in automated testing (unit and integration).
• Proficient in DevOps tools and practices, including CI/CD.
• Solid understanding of relational and NoSQL databases.
• Strong problem-solving and analytical skills with attention to detail.
• Excellent interpersonal and communication abilities.

Nice to Have:

• Experience working in the UK Public Sector, with familiarity with the GDS Service Manual
• Knowledge of containerisation tools and orchestration platforms (Docker, Kubernetes).
• Familiarity with modern front-end frameworks (React, Angular, Vue.js).
• Experience with API security standards, including OAuth2.
• Understanding of messaging systems such as RabbitMQ or Kafka.
• Active contributor to communities of practice or open-source projects.

Qualifications & Certifications:

• Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent professional experience.
• 5+ years of professional experience in Java development.

Triad’s Commitment to You

As a growing and ambitious company, Triad prioritises your development and well-being:

• Continuous Training & Development: Access to top-rated Udemy Business courses.
• Work Environment: Collaborative, creative, and free from discrimination.
• Benefits:
  • 25 days of annual leave, plus bank holidays.
  • Matched pension contributions (5%).
  • Private healthcare with Bupa.
  • Gym membership support or Lakeshore Fitness access.
  • Perkbox membership.
  • Cycle-to-work scheme.

What Our Colleagues Have to Say

Please see for yourself on Glass Door and our “Day in the Life” videos at the bottom of our Careers Page

Our Selection Process

After applying for the role, our in-house talent team will contact you to discuss Triad and the position. If shortlisted, you will be invited for:

1. A Technical online test – circa 30 minutes
2. A Technical interview session with our senior team members
3. An interview with our CTO, including a career review and cultural fit assessment

We aim to complete interviews and progress candidates to offer stage within 2-3 weeks of the initial conversation.

Other information

If this role is of interest to you or you would like further information, please submit your application now!

Triad is an equal opportunities employer and welcomes applications from all suitably qualified people regardless of sex, race, disability, age, sexual orientation, gender reassignment, religion, or belief.

We are proud that our recruitment process has been recognised as inclusive and accessible to disabled people who meet the minimum criteria for any role. We are a signatory on the Tech Talent Charter that aims to bring industries and organisations together to drive greater inclusion and diversity in technology roles, in addition, as a Disability Confident Leader.