Software Engineer

Metric Bio; Oxford; On-site; GBP 45,000 - 65,000; Full time

Job summary

Metric Bio in Oxford is seeking a Windows Software Engineer to join their engineering team. This role involves designing and developing software for Class II/III medical devices, focusing on secure connectivity and compliance with regulatory standards. The ideal candidate has expert-level skills in C# and modern .NET, along with experience in Windows-based platforms and cybersecurity best practices. This is an opportunity to create software that has a significant impact on human lives.

Qualifications

• Expert level C# in long-lived production systems.
• Proven experience developing device hosted applications on Windows platforms.
• Strong knowledge of Windows security hardening.

Responsibilities

• Design and develop software for medical devices.
• Own requirements definition and design documentation.
• Implement multi-threading and deterministic behaviour.

Skills

Expert level C#

Modern .NET (versions 6, 7 or 8)

PowerShell scripting

Windows security hardening

Cybersecurity best practices

Dependency injection

Application lifecycle management

Structured logging tools (Serilog, NLog)

Requirements management tools (Codebeamer, Polarion, Jama)

Task management via Jira

Education

Degree in Computer Science or relevant engineering discipline

Job description

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!