Senior Software Engineer (Scala & Python)

New
Remote within the EUContractSenior
Salary150 - 160 PLN per hour
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Job Details

Languages
Polish (C2), English (B2/C1)
Experience
At least 7 years of professional software development experience.
Required Skills
PythonArtificial IntelligenceCI/CDRESTful APIsScalaSaaS

Requirements

  • At least 7 years of professional software development experience.
  • Strong production experience with Scala.
  • Strong proficiency in Python and experience developing production-grade backend applications.
  • Ability to work effectively across both Scala and Python codebases.
  • Strong understanding of software engineering best practices.
  • Experience with automated testing, version control, code reviews, and CI/CD.
  • Good understanding of scalable and maintainable software architecture.
  • Ability to independently analyze technical problems and propose practical solutions.
  • Strong communication skills and the ability to collaborate within an international engineering team.
  • Fluency in Polish (C2).
  • Advanced level of English (B2/C1).

Responsibilities

  • Develop, maintain, and extend backend services using Scala and Python.
  • Design and implement scalable functionality across an existing SaaS platform.
  • Build and expand AI-powered features within the product.
  • Integrate internal and external AI services through APIs, including LLM-based platforms.
  • Design reliable and maintainable integrations between platform services and external systems.
  • Write clean, testable, and well-documented production code.
  • Participate in technical discussions, code reviews, and architectural decisions.
  • Ensure the quality, scalability, performance, and security of implemented solutions.
  • Support CI/CD processes and modern software development workflows.
  • Troubleshoot production issues and improve the stability of existing services.
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150 - 160 PLN per hour
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