Senior Developer at Techster Solutions AB
Workplace: Stockholm, Sweden
Expires: October 23, 2025
Techster Solutions is currently in an exciting growth phase and is looking for new colleagues, initially someone with at least 5+ years of experience to strengthen the team. You can expect a varied environment, with very different days, but one thing is certain: here you get to use your skills and set the limit for how much you want to develop. As a knowledge company, it is important for us that our specialists share their competence and help colleagues grow.
Main requirements:
  • Minimum 5+ years of experience
  • Strong Scala skills or significant experience in a functional programming language with eagerness to learn Scala
  • Experience or interest in Pekko/Akka and streaming data architectures
  • Ability to work independently and collaboratively in a small agile team
  • Appreciation for full-stack development and understanding of React/web gRPC is a bonus
Responsibilities:
  • Develop software using Scala, React, and TypeScript
  • Utilize frameworks and libraries such as Pekko Actors & Streams, gRPC, and Vite
  • Work with infrastructure and tools including GitLab CI/CD, Gradle (Kotlin DSL), Docker, Kubernetes (platform-managed), and Linux
  • Implement extensive automated testing (ScalaTest, Vitest, Cypress) and structured scenario-based simulation
  • Apply observability tools like OpenTelemetry for tracing, metrics, and logging with Otel to Grafana
  • Adhere to rigorous privacy and security practices throughout the development lifecycle
Required hard skills:
  • Scala programming
  • Functional programming concepts
  • Pekko/Akka frameworks
  • Streaming data architectures
  • GitLab CI/CD
  • Gradle with Kotlin DSL
  • Docker
  • Kubernetes
  • Linux
  • Automated testing frameworks (ScalaTest, Vitest, Cypress)
  • Observability tools (OpenTelemetry, Grafana)
  • Privacy and security best practices
Recommended hard skills:
  • React
  • TypeScript
  • web gRPC
  • Vite
Soft skills:
  • Curiosity
  • Optimism
  • Continuous learning mindset
  • Ability to work both independently and in agile teams
Coding languages:
  • Scala
  • TypeScript
  • JavaScript (for React)
Frameworks:
  • Pekko Actors & Streams
  • Akka
  • React
  • gRPC
  • Vite
Operating systems:
  • Linux
Natural languages:
  • English (Proficient)
  • Swedish (Working knowledge)
Cultural skills:
  • Knowledge sharing
  • Openness to new technical solutions
  • Collaborative team player
  • Respectful and inclusive work environment