Fullstack Software Engineer (Cybersecurity)

TL;DR

Fullstack Software Engineer (React/Kotlin/Python): Developing secure, scalable applications for digital identity and authentication services with an accent on identity verification capabilities like AML and eKYC. Focus on architecting distributed systems, building scalable APIs on cloud platforms, and ensuring regulatory compliance.

Location: Hybrid in Lisbon (Portugal) or London (UK), or fully remote for those outside these cities

Company

Global industry leader in identity-centric security solutions serving over 150 countries.

What you will do

• Lead the design 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 full ownership of complex features from initial design through production and operation.
• Collaborate with cross-functional teams to deliver privacy-compliant features (GDPR, BIPA, CCPA).
• Mentor engineers through code reviews, pairing, and technical guidance.
• Improve system reliability, scalability, observability, and overall performance.

Requirements

• 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 distributed systems and scalable architectures.
• Experience operating APIs and microservices in cloud environments (AWS, Azure, GCP).
• Familiarity with containerization and orchestration using Docker and Kubernetes.
• Deep knowledge of software security principles and privacy-by-design approaches.

Nice to have

• Knowledge of identity protocols such as OAuth 2.0, SAML, and OpenID Connect.
• Experience with Spring Boot or Ruby on Rails frameworks.
• Experience building secure SDKs or working on developer platforms.

Culture & Benefits

• Flexible working options (hybrid or remote) to support work-life balance.
• Opportunity to work on high-impact identity and security systems used globally.
• Strong investment in professional career growth, leadership, and continuous learning.
• Inclusive and supportive engineering culture with global affinity groups.