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November 4, 2026

Senior Java Software Engineer

Senior • On-site

Kraków, Pl-06, Poland

Quick Facts

  • Role: Senior Java Software Engineer
  • Focus: secure, scalable, high-performing software; multithreading; microservices
  • Work style: hybrid by design with opportunity to work remotely within Poland; chance to work abroad up to 60 days annually

Description

Design and develop end-to-end software solutions as a Senior Java Software Engineer, delivering secure, stable, high-performing code. You will apply sound software engineering principles across the development lifecycle while contributing to multithreading and microservices-based architecture.

Responsibilities

  • Design and develop end-to-end software solutions
  • Produce secure, stable and high-performing code
  • Apply software engineering principles throughout the development lifecycle
  • Use multithreading concepts to build efficient applications
  • Contribute to microservices-based architecture design and implementation
  • Collaborate with cross-functional teams to deliver quality solutions

Requirements

  • 5+ years of experience as a Java Developer
  • Expertise in multithreading
  • Expertise in microservices-based architecture
  • Solid understanding of software engineering principles
  • Proficiency in English at B2+ level
  • Background in the finance sector (plus)

Benefits

  • Career development programs and mentoring
  • Thought leadership, soft skills and well-being programs
  • Certification support (Anthropic, Gemini, GCP, Azure, AWS)
  • English classes
  • Stable pay
  • Employee Stock Purchase Plan with a 15% discount
  • Benefits package (health insurance, multisport, shopping vouchers)
  • Referral bonuses up to $2,000
  • Corporate, social and well-being events; office perks

Other notes

  • Benefits listed above are available to employees only
  • Contractor (B2B) cooperation terms are agreed individually
  • Selected candidates will be contacted exclusively

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