This position is no longer accepting applications

Positions open for more than 30 days are automatically closed and marked as expired

Don't let one closed door slow you down, here's your next move:

September 19, 2026

Senior .NET Full-Stack Developer (JavaScript, jQuery)

Senior • Remote

12,000 - 23,000 PLN/yr

Katowice, SL, Poland

Quick Facts

Senior .NET Full-Stack Developer (JavaScript, jQuery)

Description

Join a cross-functional application development team to design, code, test, and debug web applications. Build new features on top of an existing product, integrate third-party components into the application framework, and support quality through testing and code reviews. Participate in backlog refinement and help improve existing infrastructure, including on-call pager duty rotations.

Responsibilities

  • Design, code, test, and debug web applications
  • Develop new features on top of the existing product
  • Build new system components and integrate third-party products
  • Follow development best practices and participate in code reviews
  • Maintain quality throughout the development lifecycle
  • Perform development testing to confirm work meets requirements and quality standards
  • Review requirements during product backlog refinement/grooming meetings
  • Support and improve existing infrastructure
  • Participate in pager duty rotations

Requirements

  • 3+ years of experience in .NET/C#
  • Proficiency in JavaScript and hands-on expertise in jQuery
  • Significant experience with the ASP.NET MVC pattern
  • Familiarity with Bootstrap
  • Solid working knowledge of relational databases and SQL
  • Proactive mindset with strong ownership and responsibility for results
  • Commitment to code quality, accurate estimation, and timely communication of status and blockers
  • Stress tolerance and strong customer focus
  • Excellent communication skills and ability to work in a large, globally distributed team
  • English proficiency at Upper-Intermediate level (B2) or higher

Benefits

  • Top tech minds and an agile, startup-like culture
  • Hybrid-by-design with opportunity to work remotely within Poland
  • Chance to work abroad for up to 60 days annually and business-driven relocation opportunities
  • Career development programs, mentoring, thought leadership, soft skills and well-being programs
  • Certification options (Anthropic, Gemini, GCP, Azure, AWS)
  • English classes
  • Stable pay
  • Employee Stock Purchase Plan with a 15% discount
  • Health insurance, Multisport, shopping vouchers
  • Referral bonuses up to $2,000
  • Offices with entertainment and relaxation zones, table tennis/football, free snacks and coffee
  • Corporate, social and well-being events

Similar jobs you might like

Unlock Full Resume Report