LEX Diagnostics

About the Company

LEX Diagnostics is a privately held molecular diagnostics company transforming point-of-care testing through its proprietary ultra-fast thermal cycling technology. Designed to deliver lab-quality PCR results directly from a swab sample in minutes, the VELO system bridges the gap between accuracy and accessibility, empowering healthcare professionals to make informed clinical decisions faster.

Listed Jobs

Company Name

LEX Diagnostics

Job Title

Embedded Software Engineer

Job Description

Job Title: Embedded Software Engineer Role Summary: Design, develop, and ship safe‑critical medical device firmware across the full product lifecycle, from prototype to production. Own end‑to‑end code, system architecture, and manufacturing readiness, collaborating closely with cross‑functional teams. Expectations: Deliver high‑quality embedded software that meets stringent safety and regulatory requirements. Mentor peers and influence engineering practices in a fast‑moving scale‑up environment. Key Responsibilities: - Write and maintain embedded C/C++ code for medical device firmware. - Prepare product for manufacturability, ensuring code supports assembly, test, and field service. - Develop new features and next‑generation capabilities, shaping system‑level architecture. - Debug, test, and validate firmware on hardware prototypes and production builds. - Collaborate with biologists, product designers, and manufacturing teams throughout the development cycle. - Optionally design secure communication protocols, applying networking or cybersecurity knowledge. Required Skills: - Strong proficiency in embedded C/C++. - Experience with safety‑critical or medical device software development. - Knowledge of real‑time operating systems and hardware interfacing. - Familiarity with manufacturing‑ready firmware practices (debugging, test fixture integration). - Ability to design system‑level architecture and drive architectural decisions. - (Preferred) Experience in networking, secure communications, or cybersecurity for embedded systems. Required Education & Certifications: - Bachelor’s degree in Electrical Engineering, Computer Engineering, Computer Science, or related field. - (Preferred) IEC 62304, ISO 14971, or other medical device software safety certifications.

Melbourn, United kingdom

On site

09-12-2025