We are looking for a Senior Fullstack Software Engineer to join our Signals Team, contributing to the development of secure, scalable applications that support digital identity and authentication services. You will work across the stack—from intuitive frontend interfaces to robust backend systems—collaborating with engineers, product managers, and designers to deliver impactful solutions. This role is ideal for engineers who take ownership of complex features end-to-end, influence technical direction, and help raise the engineering bar across the team.
The Signals team builds and maintains critical identity verification capabilities that enable secure onboarding and regulatory compliance worldwide, including: eKYC database integrations eID and digital identity integrations These systems power trusted identity flows across multiple geographies and regulatory environments.
Lead the design, build, and evolution of fullstack applications using React (TypeScript), Kotlin, Python, and Ruby Architect and develop scalable APIs and microservices deployed on AWS, Azure, or GCP Drive architectural discussions and contribute to long-term technical strategy Improve system reliability, scalability, observability, and performance Partner with product and UX teams to deliver high-quality, user-centric experiences Champion secure coding practices and contribute to identity and cryptographic systems Key Projects You’ll Support 5+ years of professional experience in fullstack or software engineering~ Strong proficiency in React/TypeScript and at least one backend language (Python, Kotlin, or Ruby)~ Proven experience designing and building distributed systems and scalable architectures~ Experience building and operating APIs and microservices in cloud environments (AWS, Azure, GCP)~ Strong understanding of system design, performance, and reliability trade-offs~ Deep knowledge of software security principles and privacy-by-design approaches~ Experience working in agile environments with CI/CD practices~ Experience with frameworks such as Spring Boot or Ruby on Rails Experience building secure SDKs or working on developer platforms
Play a key role in driving geo-expansion and regulatory-compliant products Flexible working (hybrid/remote) to support work-life balance Strong investment in career growth, leadership, and learning
London office: If you're based in our London, UK office, you'll follow a hybrid work model, which requires being in the office three days per week.”, “datePosted”: “2026-05-22”, “hiringOrganization”: { “@type”: “Organization”, “name”: “Entrust”, “sameAs”: “https://uk.whatjobs.com/pub_api__cpl__439417736__4861?utm_campaign=publisher&utm_medium=api&utm_source=4861&geoID=33” }, “jobLocation”: { “@type”: “Place”, “address”: { “@type”: “PostalAddress”, “addressLocality”: “London” } } }
Senior Fullstack Software Engineer (Signals Team) Location: London, UK (Hybrid) Department: Engineering Reports To: Engineering Manager Job Type: Full-Time
We are looking for a Senior Fullstack Software Engineer to join our Signals Team, contributing to the development of secure, scalable applications that support digital identity and authentication services. You will work across the stack—from intuitive frontend interfaces to robust backend systems—collaborating with engineers, product managers, and designers to deliver impactful solutions. This role is ideal for engineers who take ownership of complex features end-to-end, influence technical direction, and help raise the engineering bar across the team.
The Signals team builds and maintains critical identity verification capabilities that enable secure onboarding and regulatory compliance worldwide, including: eKYC database integrations eID and digital identity integrations These systems power trusted identity flows across multiple geographies and regulatory environments.
Lead the design, build, and evolution of fullstack applications using React (TypeScript), Kotlin, Python, and Ruby Architect and develop scalable APIs and microservices deployed on AWS, Azure, or GCP Drive architectural discussions and contribute to long-term technical strategy Improve system reliability, scalability, observability, and performance Partner with product and UX teams to deliver high-quality, user-centric experiences Champion secure coding practices and contribute to identity and cryptographic systems Key Projects You’ll Support 5+ years of professional experience in fullstack or software engineering~ Strong proficiency in React/TypeScript and at least one backend language (Python, Kotlin, or Ruby)~ Proven experience designing and building distributed systems and scalable architectures~ Experience building and operating APIs and microservices in cloud environments (AWS, Azure, GCP)~ Strong understanding of system design, performance, and reliability trade-offs~ Deep knowledge of software security principles and privacy-by-design approaches~ Experience working in agile environments with CI/CD practices~ Experience with frameworks such as Spring Boot or Ruby on Rails Experience building secure SDKs or working on developer platforms
Play a key role in driving geo-expansion and regulatory-compliant products Flexible working (hybrid/remote) to support work-life balance Strong investment in career growth, leadership, and learning
London office: If you’re based in our London, UK office, you’ll follow a hybrid work model, which requires being in the office three days per week….