Rotterdam
13 Aug 2026
Kotlin / Java Developer logo

Kotlin / Java Developer

Signicat

Kotlin / Java Developer

Signicat, a pan-European digital identity company, is seeking a talented Java or Kotlin Developer to join their Authentication Broker team in Rotterdam. The role involves contributing to mission-critical SaaS applications, learning secure programming, and taking part in the full lifecycle of applications with a DevOps mindset. Candidates should have 3+ years of experience with Kotlin/Java 8+ and a Bachelor's degree in Computer Science or equivalent.

HybridInternshipMid LevelKotlinJava

Salary

Not specified

Work Location

Rotterdam, South Holland, Netherlands, NL

Work Model

Hybrid work style - collaborate with the team in-office several days a week and embrace the flexible work model

Experience Required

3 years

Employment Type

Internship

Experience Level

3+ years of experience using Kotlin and/or Java 8+

Core Qualifications

Technical (Must-have)
KotlinJavaCI/CDVersion ControlUnit TestingSpring BootREST APIsDockerKubernetesMicroservicesGitLabPostgreSQLOIDCSAMLAWSGCPAngularLinuxScrumKanban
Soft Skills
Explaining thingsDiscussionsKnowledge sharing

Key Responsibilities

  • Write software that matters! Be part of the team that will enable online authentication for millions of users!
  • Get training and guidance to become an expert at writing secure software
  • Analyse functional requirements and turn them into real software
  • Assist in designing and improving our software architecture
  • Build and maintain a catalogue of reusable, elegant solution patterns
  • Build and maintain a library of reusable, elegant software components
  • Improve standards and guidelines for using these patterns and components
  • Take part in daily stand-ups and discuss safety features with the product owner
  • Be responsible for the whole lifecycle of our applications including deployments and DevOps
KotlinJavaDeveloperAuthenticationDigital IdentitySaaSDevOpsAgileRotterdamInternship