Senior Java Developer (Outside IR35 Contract - Defence / Naval Program Support)

Company Description

Puma Berry provides contract services to medium and large-sized private-sector clients operating in the UK Defence and Aerospace Industries. The company undertakes contracts to fulfil and deliver well-defined technology projects using its sub-contract resources.

About Role

Puma Berry Ltd is seeking a Senior HCI Developer with expertise in JavaFX or Swing to join our Defence/Naval program support team. This role requires hands-on experience in UI development, understanding software architecture, and working in a Linux-based environment.

Candidates must beUK nationals with no other passport or dual nationality, holding existing SC clearance or the ability to obtain SC clearance (UKEO, SC). The successful candidate will play a key role in delivering mission-critical solutions within a secure and fast-paced setting.

Location:

Manchester (Hybrid, 3 days on-site minimum)

Contract Type:

Outside IR35

Duration:

1 Year with possible extensions

Start Date:

ASAP

Key Responsibilities:

• Develop and enhance Human-Computer Interfaces (HCI) using JavaFX or Swing.
• Collaborate closely with product owners to translate requirements into functional user interfaces.
• Conduct unit testing and support static code analysis using Klocwork.
• Refactor and optimise existing codebases as needed.
• Produce high-quality documentation for internal and external use.
• Work within Linux environments, adhering to secure development practices.

Essential Requirements:

• UK Citizenship only (Applicants must not hold another passport or have dual nationality and must be SC-cleared or eligible for Security Clearance - UKEO, SC).
• Strong experience in JavaFX or Swing for UI development.
• Hands-on product owner experience.
• Solid understanding of software architecture.
• Familiarity with unit testing and static analysis tools.
• Proficient in Linux-based development.
• Strong documentation and communication skills.

Desirable Skills:

• Experience in Defence or Naval programs.
• Knowledge of complex interfaces and systems.
• Previous experience refactoring legacy code.

Why Join Us?

• OUTSIDE IR35 Contractoffering flexibility and autonomy.
• Opportunity to work on impactful Defence/Naval projects.
• Hybrid working model (Manchester-based, 3 days on-site minimum).

Note:Only UK Citizens with no other passport or dual nationality, with active SC clearance or the ability to obtain SC clearance, should apply. Candidates willing to travel to Manchester are encouraged.

• Apply now to be part of Puma Berry Ltd.’s dynamic team driving technological excellence in the Defence sector!