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Kotlin / Java Developer

Rotterdam, NL💼 Full-time🗓 2025-05-27 → 2026-09-11

Core

Develop and maintain mission-critical SaaS applications for secure user authentication and identity verification serving millions of end users.

Role type

Senior IC Java/Kotlin Developer

Builds

Secure authentication broker services and reusable software components

Domain

Digital Identity / Fintech / Cybersecurity

Deliverable

production ML models | product features

Required skills

Kotlin, Java 8+, Spring Boot, REST, Docker, Kubernetes, microservices, PostgreSQL, OIDC, SAML, CI/CD, unit testing, Linux

Preferred skills

AWS/GCP, Angular, SCRUM/Kanban

Technologies

Kotlin, Java 8+, Spring Boot, Docker, Kubernetes, PostgreSQL, GitLab, AWS, GCP, Angular

Responsibilities

Analyse functional requirements and implement secure software solutions; Design and improve software architecture; Build and maintain reusable software components and solution patterns; Own the full application lifecycle including deployments and DevOps; Participate in agile ceremonies and knowledge sharing.

Seniority

Mid-Senior, hands-on IC

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