Senior Software Engineer

Kraków hybrid Until 8/22/2026 5+ years exp First posted May 27, 2026 Last posted May 27, 2026
Job description

About the Role

We are looking for an experienced Sr. Software Engineer / Developer to lead and mentor a team of software support engineers, frontend developers, and backend developers. In this role, you will help ensure the stability, performance, and continuous improvement of business-critical internal applications.

This position combines hands-on technical work with team leadership, troubleshooting, and cross-functional collaboration. The ideal candidate has strong software development experience, enjoys solving complex technical challenges, and is passionate about mentoring technical teams.

Key Responsibilities

    Technical Leadership & Development

    • Design, develop, maintain, and improve internal software applications and systems
    • Provide hands-on support for backend and frontend development tasks
    • Troubleshoot complex technical issues and perform root cause analysis
    • Support and maintain Linux/Unix server infrastructure and operations
    • Write and maintain Bash scripts for automation and operational tasks
    • Contribute to application performance optimization and system reliability
    • Participate in architecture discussions and technical decision-making
    • Product & Operational Support

      • Gather, document, and prioritize business and technical requirements
      • Support roadmap planning, backlog management, and feature prioritization
      • Develop deep product knowledge and understand operational workflows and system interdependencies
      • Collaborate with internal teams to improve processes, tools, and system functionality
      • Team Mentorship & Guidance

        • Mentor and guide developers and support engineers on coding standards and best practices
        • Conduct code reviews and provide constructive technical feedback
        • Support team growth through technical coaching and knowledge sharing
        • Assist team members with troubleshooting and problem-solving activities

Required Skills & Qualifications

  • Bachelor’s degree in Computer Science, Information Technology, Engineering, or related field, or equivalent professional experience
  • 5+ years of experience in software development, support operations, or related technical roles
  • Strong technical skills in:
    • Python backend development
    • Angular frontend development
    • Linux/Unix administration
    • Bash scripting
    • Networking fundamentals and troubleshooting
    • Working knowledge of Google Cloud Platform (GCP) and serverless architectures
    • Experience conducting code reviews and maintaining coding standards
    • Strong analytical and problem-solving skills
    • Excellent verbal and written communication skills
    • Proven experience mentoring and coaching technical teams

Preferred Qualities

  • Strong sense of ownership and accountability
  • Ability to work in fast-paced technical environments
  • Passion for continuous improvement and technical excellence
  • Collaborative mindset and strong teamwork skills
About this role

Summary

Lead and develop internal applications, troubleshoot, mentor team, and collaborate on system improvements

Job title

Senior Software Engineer

Experience level

5+ years

Minimum experience

5+ years exp

Industry

software

Location requirements

Kraków, on-site, no remote work specified

Salary

Not specified

Management role

No

Skills & keywords

Required skills

pythonangularlinux/unixbash scriptingnetworkinggcpcode reviewproblem-solvingcommunicationmentoring

Preferred skills

ownershipfast-paced workcontinuous improvementteamwork

Specializations

backendfrontendlinux/unixpythonbash scripting
Locations

Structured locations inferred from the posting.

Kraków, Poland

On-site City