The Operating System of Retail
Full Stack Software Engineer, Python, React
Location
Poland
Posted
11 hours ago
Salary
$120.3K - $146.3K / year
Seniority
Senior
Job Description
Full Stack Software Engineer, Python, React
Focal Systems
• Build and maintain scalable backend services using Python (Flask/FastAPI) that process data from 300,000+ IoT devices • Design and develop REST APIs consumed by internal tools and customer-facing applications • Build and improve React/TypeScript frontend features — from translating designs into code to refining existing UI components • Write database queries to analyze how features are actually being used and to debug production issues • Build deployment monitoring and diagnostic tools that give visibility into system health across geographies • Create tools that provide transparency and ease of access into the company's rich datasets stored across varying geographic locations and data formats • Collaborate with engineering teams to ensure data persists in usable formats for frontend, middleware, diagnostics, and Deep Learning pipelines • Remotely debug customer issues across the full stack and find smart solutions that actually work • Partner with the product team to shape user experience — you'll bridge the gap between backend capabilities and what users actually see • Support our customer success team by helping solve client problems • Evaluate incoming requests — assess the effort required vs. potential value delivered • Expand test coverage for critical backend services and frontend user flows • Refactor existing code to reduce complexity and keep things maintainable • Be part of the team that ships weekly releases to customers • Present your work to the company and share what you've shipped
Job Requirements
- 6+ years of professional software development experience
- 3+ years of hands-on experience with Python (FastAPI, Flask or similar) or other Backend Language
- 3+ years of experience with React and TypeScript
- Solid experience with REST API design and development
- Experience working with data-intensive applications and/or microservices architecture
- Experience with relational databases (MySQL or similar)
- Experience with CI/CD pipelines
- Applied experience with unit and integration testing
- Ability to work independently and take ownership of features end-to-end
- Fluent in Polish with advanced English skills (written & spoken)
- Flexibility in adjusting working hours to meet the needs of the global and time zone-diverse team (urgent tasks or meetings may occur outside of regular CEST working hours)
- Strong work ethic and commitment to completing assigned tasks and projects within established deadlines.
Benefits
- Competitive Salary & Attractive Stock
- Paid Time Off
- Team Retreats
- Education grants
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