Software Engineer

Metric Bio are proud to continue supporting one of our longest-standing partners, a pioneering medical device company whose technology is directly saving lives. Their platform has already been used in over 7,000 life‑critical transplant procedures worldwide. Backed by a global healthcare leader and spun out of a world‑renowned UK university, this is a rare opportunity to build software that genuinely matters.

They are looking for a Windows Software Engineer to join a close‑knit engineering team in Oxford, contributing across the full SDLC with a focus on device hosted applications, product connectivity and robust cybersecurity in a regulated medical device environment.

What you will be doing:

• Designing and developing software for a Class II/III medical device in compliance with IEC 62304, ISO 14971, IEC 62366 and FDA regulations
• Owning requirements definition, design documentation and comprehensive traceability across all phases of design control
• Implementing multi‑threading, asynchronous programming and deterministic behaviour in device environments
• Building and maintaining secure connectivity using TLS, certificate based authentication and messaging technologies such as Azure IoT Hub and MQTT
• Designing OTA update mechanisms including safe rollback, validation and compatibility strategies
• Contributing to hazard analysis, FMEA, code reviews, unit testing and integration testing
• Collaborating with Electronics, Systems, Data Science, QARA and Field Service teams across product engineering and new product development

What we are looking for:

• Expert level C# and modern .NET (versions 6, 7 or 8) in long‑lived production systems, along with PowerShell scripting
• Proven experience developing device hosted applications and services on Windows based platforms
• Strong knowledge of Windows security hardening and cybersecurity best practices
• Experience with dependency injection, application lifecycle management and structured logging tools such as Serilog or NLog
• Familiarity with requirements management tools such as Codebeamer, Polarion or Jama, and task management via Jira
• A track record of delivering to IEC 62304 or an equivalent regulated framework, ideally in medical devices
• Degree in Computer Science or a relevant engineering discipline

Apply if you want to use your technical skills to genuinely positively impact human lives!