Scala Developer

Industry: Technology solutions - consumer electronics, software, streaming

Client: global enterprise, Swedish entity

Work model: full time, hybrid 3 days/week on-site fromKrakow (Equal Business Park) office

Project language: English

Onboarding: 3 days in Malmo, Sweden

Start: ASAP or 1 week notice ideally / at latest start 27th July 2026

Assignment type: B2B

Remuneration: up to 200 PLN/h net + VAT

FTE: full-time

Summary:

The Backend Developer role is aimed at enhancing and modernizing backend services and pipelines within the organization. This position primarily focuses on improving system performance, ensuring robust authentication mechanisms, and implementing automation to streamline processes.

Main Responsibilities:

• Modernise backend services and pipelines by upgrading to the latest JDK, Scala 3.x, and Play Framework 3.x.

• Apply GenAI tooling to automate code transformations, dependency resolution, and compatibility fixes, producing reusable tools and documentation.

• Migrate authentication frameworks from legacy APIs to OAuth-based solutions across various backend services.

• Replace multiple data stores with a single versioned table, creating Spark/Java batch pipelines for backfill/migration and extending Scala/Play backends.

Key Requirements:

• Hands-on experience with production Java/Scala services.

• Familiarity with Play Framework internals or Akka.

• Experience with Spark for pipeline-heavy work.

• Comfortable with OAuth-based authentication patterns.

Nice to Have:

• Familiarity with React/TypeScript.

• For DevOps-leaning candidates: experience with Gradle, scripting, and CI/CD pipelines.