Senior Software Engineer

Senior C++ / Java Software Engineer Location: Bristol Salary: Circa £65,000 + Bonus Contract: Full-time | SC EligibleWe're looking for a talented C++ or Java Software Engineer to help develop high-performance applications used in mission planning, data visualisation, and human-machine interfaces (HMI/GUI). You'll be creating advanced graphical and native applications that operate across both Linux and Windows environments, contributing to systems that make a real impact.Key Responsibilities:

• Design and develop mission planning and graphical applications using C++ or Java
• Build interactive HMIs/GUI software using Qt, Swing, or similar frameworks
• Develop native apps for Linux and Windows platforms
• Apply OS-level security lockdowns and system hardening techniques to devices
• Implement and maintain automated testing to ensure software quality and reliability
• Work on GIS and visualisation tools to support operational decision-making
• Use mathematical and algorithmic problem-solving to optimise performance and reliability
• Collaborate across software, systems, and embedded teams to deliver high-quality solutions

About You:

• Proven experience in C++ and/or Java development on long-term projects
• Knowledge of GUI, HMI, or visualisation software development
• Experience working on native applications in Linux and Windows environments
• Familiarity with GIS tools, mapping, and routing algorithms is beneficial
• Background in STEM disciplines, algorithms, mathematics, or computational problem-solving is desirable
• SC eligible with British citizenship

Benefits:

• Bonus & OT
• Pension contributions up to 14%
• Flexible working arrangements
• Professional course / membership fund
• Clubs and lessons
• Enhanced parental leave
• Free parking