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Technical Lead C# and Node.js
  • Kraków
Technical Lead C# and Node.js
Kraków, Kraków, Lesser Poland Voivodeship, Polska
SQUARE ONE RESOURCES sp. z o.o.
29. 1. 2026
Informacje o stanowisku

technologies-expected :


  • Node.js
  • C#
  • Azure DevOps

about-project :


  • We are seeking a highly experienced Senior / Staff Software Engineer to take on a technical leadership role for an external contractor team maintaining a complex Identity Security product.
  • This position acts as the primary technical interface between engineering teams and management, ensuring system stability, scalability, and high operational quality.
  • The role combines architectural responsibility with hands-on problem solving, including direct involvement in customer-facing infrastructure and data-related incidents. You will operate across the full technology stack, bridging strategic technical decisions with day-to-day execution in a production-critical environment.
  • This is a hybrid role based in Warsaw or Kraków, requiring 2–3 days per week on-site.

responsibilities :


  • Act as the technical lead and main escalation point for the contractor engineering team
  • Serve as a communication bridge between management and engineers, translating business priorities into technical execution
  • Ensure operational stability and performance of a complex, multi-layer Identity Security platform
  • Lead analysis and resolution of infrastructure, data, and customer-impacting issues
  • Guide architectural decisions while remaining hands-on with critical components of the system
  • Maintain and improve code quality, system resilience, and deployment processes
  • Support contractors with technical direction, best practices, and system knowledge

requirements-expected :


  • Minimum 7 years of professional software engineering experience, with strong expertise in C# and/or Node.js
  • Proven experience in technical leadership, including leading senior engineers or external contractor/vendor teams
  • Strong analytical and troubleshooting skills in complex, distributed, multi-layer architectures
  • Ability to operate effectively at both architectural and implementation levels
  • Excellent communication skills in English, with the ability to clearly explain technical topics to non-technical stakeholders
  • Experience in Cyber Security or Identity Management (Active Directory / Entra ID) is a significant advantage

  • Praca Kraków
  • Kraków - Oferty pracy w okolicznych lokalizacjach


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