Senior Java Developer

NPA WorldWide; Leeds; Hybrid; GBP 55,000 - 65,000; Full time

Job summary

A mission-led consultancy based in the UK is looking for a talented Java Developer to design and develop secure software systems that support national security efforts. The ideal candidate will have strong Java skills and experience in Agile environments. This role offers a competitive salary of £55,000 – £65,000 and benefits including hybrid working options and professional development opportunities.

Benefits

Flexible working hours

Training and certifications budget

Private healthcare

Matched pension scheme

Clear career progression

Qualifications

• Strong Java development skills, experience with React is a plus.
• Full-stack development with focus on maintainable code.
• DevOps practices knowledge including CI/CD and infrastructure automation.

Responsibilities

• Design, develop and test secure software systems using Java and React.
• Build APIs and data pipelines with modern architecture.
• Deploy applications to AWS, Azure or private cloud.

Skills

Java development skills

Full-stack development experience

Knowledge of DevOps practices

Agile team experience

Excellent communication skills

Job description

Job description

Our client is a mission‑led consultancy delivering secure, modern software solutions that support the UK Government and Defence sector. They’re growing fast and looking for talented Java Developers who want to make an impact on projects that matter.

You’ll work in a

high‑trust, agile environment, building scalable systems and progressive applications that directly contribute to national security and digital transformation.

Role

• Design, develop, and test secure software systems using Java and React.
• Build APIs and data pipelines with modern architecture principles.
• Work with GitLab CI/CD, containers, and infrastructure‑as‑code.
• Deploy to AWS, Azure, or private cloud environments.
• Contribute across the full development lifecycle, from requirements to delivery.

What we’re looking for

• Strong Java development skills (React or other modern front‑end frameworks a plus).
• Full‑stack development experience with a focus on clean, maintainable code.
• Knowledge of DevOps practices (CI/CD, containers, infra automation).
• Comfortable working in Agile teams (Scrum / Kanban).
• Excellent communication skills to collaborate with clients & stakeholders.
• (Bonus) Experience working in secure / defence environments.

Benefits

• Flexible working hours + hybrid / remote options.
• Training, certifications & professional development budget.
• Private healthcare + matched pension scheme.
• Monthly socials & quarterly company meetups.
• Clear career progression in a growing consultancy.

Diversity & Inclusion

Our client is an equal opportunities employer and a Disability Confident organisation. They are committed to building diverse, inclusive teams and welcome applicants from all backgrounds.

Salary

Annual salary: £55,000 – £65,000 (GBP).

Apply today with your CV or get in touch with us to discuss the role in more detail.