Sigma Software Group logo
Sigma Software Group

We support enterprises, product houses, and startups with custom software solutions development and IT consulting.

Senior Software Engineer – Team Leader

Full-stack EngineerSoftware EngineerFull TimeRemoteSeniorTeam 1,001-5,000Since 2002H1B No SponsorCompany SiteLinkedIn

Location

Poland

Posted

82 days ago

Salary

0

Seniority

Senior

Bachelor Degree5 yrs expEnglishJavaScriptMicroservicesSQL

Job Description

Senior Software Engineer – Team Leader

Sigma Software Group

• Lead and mentor a team of 3 engineers through code reviews, design critiques, career mentorship, and collaboration with integration teams • Design and build scalable solutions, balancing production-quality code with rapid PoC development • Own sprint planning and quarterly roadmap execution • Act as final escalation point for complex technical issues • Rapidly learn and implement new technologies, strategically managing technical debt

Job Requirements

  • 5+ years of software engineering experience with strong CS fundamentals, OOP, data structures, algorithms
  • Proficiency in Go (preferred) and/or vanilla JavaScript
  • Strong SQL skills
  • Experience building/maintaining Microservices
  • Proven leadership experience while remaining hands-on
  • Upper-intermediate+ English
  • Experience with dashboard development and/or modern UI frameworks
  • Background in Cybersecurity or AdTech
  • Experience with PCI DSS or other high-security standards

Benefits

  • Freedom to make an impact
  • Technical excellence
  • Dynamic culture where experimentation and learning are encouraged

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