Staff Software Engineer, Product Engineering in London

*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.Position Overview We are seeking a Staff Software Engineer to join our innovative Biometrics team, where you will lead the architectural design and full‐stack development of cutting‐edge digital identity verification solutions. You will play a pivotal role in shaping the future of biometric authentication technology, from face matching and liveness detection to seamless user experience across web, iOS, and Android platforms. This role combines deep technical expertise with strategic thinking to drive the evolution of our biometrics platform in an industry rapidly advancing toward quantum computing and zero‐knowledge proof paradigms.Responsibilities Lead the full‐stack architectural design and implementation of biometric identity verification solutions spanning React web applications, Swift iOS SDKs, and Kotlin Android SDKs

Drive technical strategy and roadmap development for the Biometrics platform, ensuring alignment with emerging industry standards including NIST FRTE and FIDO Alliance requirements

Design and optimize Python‐based AI/ML backend systems for biometric processing, with integration points across Ruby and Elixir microservices

Collaborate with cross‐functional teams to implement privacy‐compliant solutions adhering to BIPA, CUBI, ETSI, and GDPR regulations

Mentor and guide engineering teams through complex technical challenges, code reviews, and architectural decisions

Partner with product management and engineering leadership to translate business requirements into scalable technical solutions

Champion software security best practices including secure SDLC, cryptographic implementation, and code obfuscation techniques

Lead the evaluation and integration of emerging technologies such as quantum‐resistant cryptography and zero‐knowledge proof systems

Drive continuous improvement of development processes, deployment pipelines, and system reliability

Represent Entrust\’s technical capabilities in industry forums and contribute to open‐source biometric standards

Your future short‐term and major projects Grow adoption of Biometrics products, from face matching, liveness detection and authentication, all the way to how these are integrated from user experience to mobile development and backend processing

Work with Director of Engineering and your Staff Engineer+ peers to define path forward for how Biometrics technology will evolve in the context of our team, but also in the context of the Entrust ecosystem and, ultimately, our position in the Digital Identity industry landscape

Architect and implement quantum‐resistant cryptographic protocols for biometric data protection and zero‐knowledge proof integration

Contribute to design of unified SDK architecture that provides consistent developer experience across React, Swift, and Kotlin platforms

Drive the development of real‐time biometric liveness detection capabilities with sub‐second response times and 99.9% accuracy

Basic Qualifications, Skills & Experience Bachelor\’s degree in Computer Science, Software Engineering, or related technical field

8+ years of professional software development experience with a focus on full‐stack engineering

4+ years of experience in a senior or staff‐level engineering role with demonstrated technical leadership

Expert‐level proficiency in at least two of the following: Python (preferred), React/TypeScript (preferred), Swift/iOS development, Kotlin/Android development

Strong experience with cloud platforms (AWS, Azure, GCP) and containerized deployment using Docker and Kubernetes

Proven track record of designing and implementing scalable distributed systems and microservices architectures

General understanding of modern AI/ML frameworks (TensorFlow, PyTorch) and model deployment in production

Deep understanding of software security principles, cryptography, and privacy‐by‐design methodologies

Experience with agile development methodologies and modern DevOps practices

Strong communication skills with ability to explain complex technical concepts to diverse audiences

Preferred Qualifications, Skills & Experience Experience in multi‐threaded applications and high‐performance computing environments

Experience with software security concepts (secure SDLC, cryptography, obfuscation, code signing, and security testing)

Experience with SaaS development and deployment at scale

Experience with Docker, Kubernetes, Terraform or similar

Experience with monitoring tools like Sentry, NewRelic, Datadog, Splunk or similar

Experience in SSO, SAML 2.0, OAuth 2.0, and modern identity federation protocols

Experience developing a commercial/external software product with external API consumers

Previous work in biometrics, computer vision, or identity verification domains

Knowledge of privacy regulations (GDPR, BIPA, CCPA) and their technical implementation requirements

Experience with Ruby on Rails, Elixir/Phoenix, or other backend frameworks beyond Python

Understanding of zero‐knowledge proof systems and their practical applications

Experience with mobile app security, including certificate pinning, runtime application self‐protection (RASP), and anti‐tampering techniques

Masters or PhD in Computer Science, Machine Learning, or related field

Familiarity with quantum computing concepts and post‐quantum cryptography

Location This is a hybrid/remote role based in Lisbon, Portugal or London, UK . If you live within one hour of either office, you\’ll be expected to work hybrid. For candidates located more than one hour away, a fully remote option is available.

#LI-JSAt 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.*Apply today!*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 EmployerFor 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 accessibility@entrust.com.Recruiter:Jack Steibjack.steib@entrust.comEntrust 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.

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