
Senior Backend Python Developer
Pekao CoNext
Warsaw, MA, Poland • 16m ago • On-site
Senior
On-site
24,360 - 30,240 PLN/yr
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Quick Facts
Role: Senior Backend Python Developer
Focus: Python backend development, microservices, integrations, and code quality
Description
You will create readable, efficient backend code using Python and modern frameworks. The role includes designing and documenting technical solutions, implementing unit tests, and collaborating with business and IT stakeholders to deliver reliable services. You’ll also support the team through mentoring, code reviews, and continuous improvement of development standards.
Responsibilities
Write high-quality, maintainable, and performant code using best practices
Design and document modern technical solutions for application and business process development
Prepare and run unit tests to ensure stability and delivery quality
Collaborate with Business Analysts, IT Architects, project teams, and business stakeholders
Mentor team members and help resolve technical challenges
Participate in code reviews, share knowledge, and improve team standards
Requirements
5+ years of experience in a similar position
Higher education in IT, mathematics, or a related field
Practical experience in building and evolving Python-based applications
Familiarity with FastAPI, Anaconda, Uvicorn, and Gunicorn
Comfort working in Linux/Unix and using scripting languages
Experience with integration technologies and standards: REST, SOAP, SQL
Experience with microservices architecture
Experience with version control and code review tools (e.g., Git, Gerrit) and involvement in code review/refactoring
Experience with Jira and Confluence for project management and documentation
Ability to read and use technical documentation in English
Independent, responsible, and quality-focused work style
Ability to analyze problems and propose effective solutions
Creative and proactive mindset; strong teamwork and communication
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