2 of 2 Permanent Legacy Systems Jobs in Portsmouth

engineering, intelligent automation, and next-generation platform development . At the centre of this evolution: 👉 A brand-new, AI-powered global platform 👉 Intelligent, agentic systems automating workflows and decision-making 👉 Scalable, high-performance architecture designed for real-world impact This isn’t about maintaining legacy systems...this … shape what comes next . 🚀 Your Mission As a Senior Software Engineer, you’ll play a key role in designing, building, and evolving critical systems that power the business. You will: 🔥 Design and build greenfield solutions from scratch 🧠 Develop AI-enabled, intelligent and autonomous systems ⚡ Deliver high-performance ...

Senior Software Engineer (SFIA 5) to join a leading Central Government defence organisation, supporting the development, maintenance, and modernisation of complex mission critical software systems within a highly secure engineering environment. SENIOR SOFTWARE ENGINEER (SFIA 5) - PORTSMOUTH - PERMANENT - UP TO £90,000 - ACTIVE DV CLEARANCE REQUIRED - 3 DAYS ONSITE … complex software estate, where reliability, performance, and long term maintainability are critical. You will be working hands on across legacy and modern systems, driving improvement in code quality, resolving high severity defects, and supporting the evolution of engineering standards across the team. The environment is highly collaborative ...