Staff Software Engineer (Python)
Offer summary

(Summary generated by AI based on the full job description)

The project focuses on developing advanced solutions in the security domain for a Silicon Valley company. Core stack is Python with optional Go experience. Responsibilities include building scalable, reliable systems, system and architecture design, and maintaining a complex codebase. Duties cover making architectural decisions, driving technical initiatives from design to implementation, hands-on Python development, improving performance and reliability, and mentoring engineers. Offer includes private healthcare and Multisport, international collaboration and use of AI-assisted tools.

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Staff Software Engineer (Python)

Company: BRAVER IT SPÓŁKA AKCYJNA

from: 23 September 2026
to: 23 October 2026
32 000 - 48 000net (+ VAT)/ mth.B2B contract (full-time)
Offer parameters
level:mid • senior
working mode:remote
location:Kraków, Lesser Poland
Kraków, Lesser Poland

Requirements

Expected technologies

Python

Optional technologies

Go
networking
distributed systems
network infrastructure
cybersecurity
IT infrastructure
AI tools

Our requirements

  • Extensive commercial experience in software development with Python.
  • Strong track record of building complex, reliable and scalable systems.
  • Solid understanding of system design, architecture and software engineering principles.
  • Proven ability to make and communicate technical and architectural decisions.
  • Experience working with complex, established codebases.
  • Ability to take ownership of technically challenging initiatives and drive them to completion.
  • Strong problem-solving skills and sound engineering judgment.
  • Experience providing technical leadership or mentoring to other engineers.
  • Ability to work effectively with experienced engineers and technical stakeholders.
  • High level of autonomy and a pragmatic approach to engineering decisions.

Optional

  • Experience with Go.
  • Knowledge of networking, distributed systems or network infrastructure.
  • Experience with cybersecurity or security-focused products.
  • Background in IT infrastructure, aviation or other technically demanding domains.
  • Experience shaping engineering practices or technical standards.
  • Practical experience using AI tools as part of the software development workflow.

Your responsibilities

  • Designing and developing reliable, scalable systems.
  • Taking ownership of architecture and key technical decisions.
  • Staying hands-on with Python development and contributing to the codebase.
  • Designing solutions for complex technical and system-level challenges.
  • Driving technical initiatives from design through implementation.
  • Working with and evolving an established codebase.
  • Identifying opportunities to improve system architecture, performance, reliability and maintainability.
  • Establishing and promoting strong engineering practices and standards.
  • Providing technical leadership and mentoring to other engineers.
  • Collaborating with engineering and QA teams to deliver high-quality solutions.
  • Contributing to the technical growth and direction of the engineering team.
  • Using modern development practices, including AI-assisted engineering tools, with a strong focus on code quality and engineering judgment.
Company

About the project

We are looking for an experienced Staff Software Engineer (Python) to join a team developing technically demanding solutions for a Silicon Valley-based technology company in the security space.
This is a hands-on technical role with a strong focus on system design, architecture and solving complex engineering problems. You will have a significant impact on technical direction and engineering practices while working closely with experienced engineers and helping shape the growing team.

What we offer

  • Multisport card.
  • Private healthcare.
  • A genuinely hands-on Staff-level role with significant technical influence.
  • Opportunity to work on complex engineering challenges in the security space.
  • Direct impact on architecture, engineering practices and technical direction.
  • Collaboration with an experienced international engineering environment.
  • Opportunity to help shape the growth of the engineering team.
  • Modern development tools and AI-assisted engineering workflows.

Benefits

  • sharing the costs of sports activities
  • private medical care
  • remote work opportunities

BRAVER IT SPÓŁKA AKCYJNA

As Venture Building, we create profitable technology companies from scratch. We collaborate with partners who share similar aspirations and are open to leveraging the potential of their networks, cultivated over years. We regularly launch new projects founded on long-term, amicable relationships with our associates.
Staff Software Engineer (Python)
32k–48k zł / mth. (B2B)
I apply to:
BRAVER IT SPÓŁKA AKCYJNA
Kraków, Lesser Poland

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