Senior Fullstack Software Engineer, Signals Team

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.  Senior Fullstack Software Engineer (Signals Team) Location: London, UK / Lisbon, Portugal (Hybrid / Remote options available) Department: Engineering Reports To: Engineering Manager Job Type: Full-Time About the Role 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. Signals Team Mission Accelerating global expansion with locally trusted identity verification solutions The Signals team builds and maintains critical identity verification capabilities that enable secure onboarding and regulatory compliance worldwide, including: Proof of Address (PoA) AML (Anti-Money Laundering) checks eKYC database integrations eID and digital identity integrations These systems power trusted identity flows across multiple geographies and regulatory environments. What You'll Do 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 Take ownership of complex features from design through to production and ongoing operation Drive architectural discussions and contribute to long-term technical strategy Collaborate with cross-functional teams to deliver secure, privacy-compliant features aligned with regulations (e.g., GDPR, BIPA, CCPA) Mentor engineers through code reviews, pairing, and technical guidance 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 Identify and implement improvements to engineering practices, tools, and workflows Key Projects You'll Support Leading enhancements across identity verification and authentication products Driving the evolution of the Signals platform architecture Designing and maintaining SDKs and APIs for a consistent developer experience Scaling third-party integrations Integrating advanced security and identity features into Entrust's identity platform What We're Looking For Required Qualifications 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) Familiarity with containerization and orchestration (Docker, Kubernetes) 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 Strong communication skills with the ability to influence technical decisions Experience mentoring engineers and contributing to team growth Preferred Qualifications Knowledge of identity protocols (OAuth 2.0, SAML, OpenID Connect) Experience with frameworks such as Spring Boot or Ruby on Rails Understanding of privacy regulations and their technical implications Experience building secure SDKs or working on developer platforms Why Join Entrust? Work on high-impact identity and security systems used globally Play a key role in driving geo-expansion and regulatory-compliant products Influence architecture and technical direction within the Signals platform Collaborate in a supportive, inclusive, and high-performing engineering culture Flexible working (hybrid/remote) to support work-life balance Strong investment in career growth, leadership, and learning Lisbon office: At Entrust, we have a distributed workforce. This role follows the location specified in the job description: hybrid for Lisbon-based employees or fully remote for those outside Lisbon. 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 or fully remote for those outside London. 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.     Apply today!  For more information, visit www.entrust.com.  Follow us on, LinkedIn, Facebook, Instagram, and YouTube 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 accessibility@entrust.com. Recruiter: Jack Steib jack.steib@entrust.com 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.