Java Software Engineer

Line Up Aviation; Bristol; On-site; GBP 80,000 - 100,000; Full time

Job summary

A leading aviation services company is looking for an experienced Java Software Engineer for a 12-month contract in Bristol. You will design and develop robust software solutions for next-generation Air Defence Systems and be involved in the full software development lifecycle. Candidates must have over 6 years of experience in Java development, a strong collaborative approach, and familiarity with safety-critical systems. This role offers competitive pay at £65 per hour.

Qualifications

• 6+ years of experience in Java.
• Experience with collaborative software development.
• Familiarity with safety-critical systems.

Responsibilities

• Design and develop Java-based software solutions for Air Defence Systems.
• Engage in the full Java software development lifecycle.
• Collaborate with cross-functional teams for integration.

Skills

Java development

Software engineering

Team collaboration

Documentation

Efficiency improvement techniques

Tools

DDS middleware

Real-time operating systems

Job description

On behalf of our client, we are seeking a Java Software Engineer for a 12‑month contract. As the Java Software Engineer, you will join a team that develops solutions for next Air Defence Systems, evolving products while maintaining an enviable reputation for safety, performance and dependability.

Position Details

• Role: Java Software Engineer
• Pay: £65 per hour via Umbrella
• Contract: Monday‑Friday, 37 hours per week, 12 month contract
• Location: Bristol
• IR35 Status: Inside
• Security Clearance: SC (to start)

Responsibilities

• Design, develop, and evolve robust Java‑based software solutions, tools, and architectures for next‑generation Air Defence Systems.
• Take a hands‑on role across the full Java software development lifecycle, from requirements analysis through implementation, integration, and automated verification.
• Apply best practices in Java software engineering to deliver high‑performance, reliable, and safety‑critical system components.
• Collaborate closely with cross‑functional engineering teams to integrate Java solutions within complex, real‑time and distributed system environments.
• Continuously improve Java development approaches by adopting new tools, frameworks, and techniques to enhance code quality, efficiency, and sustainability.

Essential Requirements / Skills / Experience

• Strong background in software engineering and its realisation and system‑wide impact.
• 6+ years of experience working in Java.
• Collaborative, open approach to development; ability to work well in a team and maintain momentum during development.
• Experience across the entire software development process from engaging with requirement authorities to automated target integration and proving, supported with effective documentation.
• Experience with new tools, techniques and approaches that enable evolving processes to improve efficiency and sustainability.
• Experience in other languages such as Ada.
• Knowledge of DDS middleware and real‑time operating systems.
• Knowledge of standards such as DefStan 00‑55, DO‑178C or IEC61508.

If you are interested in applying for this position and you meet the requirements, please send your updated CV to Natalie Dalkin at Line Up Aviation.