Staff Software Developer

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

Hybrid Eligible

United Kingdom - Cambridge

Full time

R004407

Join us at Entrust

At Entrust, we’re shaping the future of identity centric security solutions. From our comprehensive portfolio of solutions to our flexible, global workplace, we empower careers, foster collaboration, and build solutions that help keep the world moving safely.

Get to Know Us

Headquartered in Minnesota, Entrust is an industry leader in identity-centric security solutions, serving over 150 countries with cutting-edge, scalable technologies. But our secret weapon? Our people. It’s the curiosity, dedication, and innovation that drive our success and help us anticipate the future.

Job Title: Staff Software Developer

Location: Cambridge (Hybrid, 3 days onsite)

Job Type: Permanent, full-time

Position Overview:

An experienced Staff Software Developer with strong C and Python expertise, responsible for leading the design and delivery of complex features within a major cryptographic security product.

The role provides technical leadership from initial feature analysis through design, implementation, testing, and release. Working across embedded software, platform components, client-side tools, and APIs, it establishes clear technical direction, drives cross-functional collaboration, and ensures solutions are secure, maintainable, and aligned with the product architecture.

This is a hands-on technical leadership position requiring strong software engineering and design skills, sound technical judgement, and the ability to influence, mentor, and guide engineers across multiple disciplines.

Responsibilities:

• Lead complex features from initial analysis and technical design through breakdown, estimation, implementation, validation, and release.
• Translate high-level or evolving requirements into a clear technical approach for the team setting priorities of tasks.
• Design, develop, test, review, and maintain high-quality software across relevant areas of the product.
• Coach and mentor engineers, including supporting Senior Software Developers in developing their technical leadership and feature ownership.
• Support architecture team in design of system-level architecture (availability, latency, cost, data models). Use cross-domain knowledge to anticipate scale and evolution over time.

Qualifications:

Basic Qualifications

• A degree, equivalent qualification, or equivalent practical experience in Software Engineering, Computer Science, Mathematics, or a related discipline.
• Strong software development expertise in C, Python, or comparable systems-level technologies, with the ability to work effectively within an established C and Python codebase.
• Significant experience designing and delivering complex, multi-component software systems.
• Experience working across multiple components or layers of a software system, such as embedded software, device drivers, platform components, client-side tools, or APIs.
• Experience providing technical leadership for complex features or substantial software initiatives.
• Practical experience with CI/CD and disciplined, automated testing practices.
• Experience mentoring engineers and influencing technical decisions across teams or disciplines.

Bonus Qualifications:

• Experience working within a regulated industry or with software certification, assurance, or compliance requirements.

• Working knowledge of open-source licensing, software supply-chain considerations and contributions to, or practical use of, open-source software projects and ecosystems.

• Knowledge of cryptographic principles, secure software development, or threat modelling.

• Exposure to Agile development methodologies and scaled product-development environments.

At Entrust, we don’t just offer jobs – we offer career journeys. Here is what you can expect when you join our team:

• Career Growth: Whether you’re a budding developer or a seasoned expert, we’re invested in your professional journey. With learning-forward initiatives and exciting challenges, your growth is our priority.

• Flexibility: Life is all about balance. Whether you’re remote, hybrid, or on-site, we offer flexible options that fit your lifestyle.

• Collaboration: Here, your voice matters. Our teams thrive on sharing ideas, brainstorming solutions, and working together to build a better tomorrow.

We believe in securing identities—but it doesn’t stop there. At Entrust, we’re passionate about valuing all identities. Our culture is built on diversity, inclusion, and respect. From unconscious bias training for our leaders to global affinity groups that connect colleagues across the globe, we’re creating a community where everyone is encouraged to be themselves.

Ready to Make an Impact?

If you’re excited by the prospect of innovating, growing your career, and collaborating in a dynamic environment, Entrust is the place for you. Join us in making a difference. Let’s build a more secure world—together.

For more information, visit www.entrust.com (http://www.entrustdatacard.com/) . Follow us on, LinkedIn (https://www.linkedin.com/company/entrust/) , Facebook (https://www.facebook.com/DiscoverEntrust/) , Instagram (https://www.instagram.com/discoverentrust/) , and YouTube (https://www.youtube.com/channel/UCsSZJjR1jryt134rkhK5Mhg)

For US roles, or where applicable:

Entrust is an EEO/AA/Disabled/Veterans Employer

For Canadian roles, or where applicable:

Entrust values diversity and inclusion and we are committed to building a diverse workforce with wide perspectives and innovative ideas. We welcome applications from qualified individuals of all backgrounds, and we strive to provide an accessible experience for candidates of all abilities.

If you require an accommodation, contact [e-mail].

Entrust is an innovative leader in identity-centric security solutions, providing an integrated platform of scalable, AI-enabled security offerings. We enable organizations to safeguard their operations, evolve without compromise, and protect their interactions in an interconnected world – so they can transform their businesses with confidence. Entrust supports customers in 150+ countries and works with a global partner network, we are trusted by the world most trusted organizations.