Technical Lead, Software Development, Software Architect

We're looking for a Technical Lead who thrives on solving complex problems in high-integrity, critical systems. This is a hands-on leadership role: you'll own major platform components, set technical direction, and drive the delivery of secure, scalable software on a multi-INT data fusion platform supporting next-generation sovereign capability.

You ll stay close to the code while guiding implementation approaches, maintaining architectural consistency, and mentoring engineers across your domain.

• ASP.NET Core – RESTful APIs & distributed services
• PostgreSQL or equivalent / relational databases
• Event-driven / messaging architectures (desirable)

• Own and evolve significant platform components, hands-on in C#/.NET
• Lead technical direction, design decisions, and cross-team architectural alignment
• Build and support RESTful APIs and distributed services with ASP.NET Core
• Design and optimise PostgreSQL/relational database solutions for performance and reliability
• Lead technical investigations, prototypes, and R&D spikes to de-risk delivery
• Mentor engineers and champion secure development and engineering standards

3 to 5+ years' professional software development, with strong C#/.NET and ASP.NET Core

• Experience building RESTful APIs, distributed systems, or service-based architectures
• Modern frontend experience with React or similar
• Strong relational database design and optimisation skills, ideally PostgreSQL
• Sound judgement on scalability, reliability, and secure software design
• Proven ability to take ownership, guide technical delivery, and build trust across teams
• Agile delivery experience and strong communication skills

Experience in regulated environments; architectural documentation (C4, ADRs); DDD, clean or modular architecture; UX/accessibility awareness.

Take meaningful technical ownership on a strategically important programme, shape platform direction, and work alongside experienced engineers, architects, and Dev Ops specialists in a team where technical quality and professional development matter.