Staff Software Developer – Crypto & Platform Lead (Hybrid)

Entrust; Cambridge; Hybrid; GBP 70,000 - 110,000; Full time

Job summary

Entrust in Cambridge is seeking a Staff Software Developer to lead the design and delivery of complex features in a major cryptographic security product. You will perform hands-on engineering across embedded software, platform components, client-side tools, and APIs, while setting technical direction.

The role requires strong C and Python skills, plus proven leadership, mentorship, and experience with CI/CD and automated testing within multi-component systems.

Qualifications

• Degree in Software Engineering, Computer Science, Mathematics or related field.
• Strong expertise in C and Python, with ability to work in a mixed C/Python codebase.
• Experience designing and delivering complex, multi-component software systems.

Responsibilities

• Lead complex features from analysis and design through implementation and release.
• Translate requirements into a clear technical approach and set task priorities.
• Design, develop, test, review, and maintain high-quality software across product areas.
• Coach and mentor engineers, supporting senior developers in feature ownership and leadership.
• Support architecture team in system-level design, addressing availability, latency and data models.

Skills

C

Python

Technical leadership

Mentoring

CI/CD

Education

Degree in Software Engineering/CS

Math background

Tools

CI/CD tooling

Job description

Entrust in Cambridge is seeking a Staff Software Developer to lead the design and delivery of complex features in a major cryptographic security product. You will perform hands-on engineering across embedded software, platform components, client-side tools, and APIs, while setting technical direction.

The role requires strong C and Python skills, plus proven leadership, mentorship, and experience with CI/CD and automated testing within multi-component systems.