Remote Full-Stack Engineer (Python/React) – IoT Data APIs

Focal Systems; Polska; Hybrid; PLN 470,000 - 572,000; Full time

Benefits offered by this job

Stock options

Remote in Poland

Full benefits

Job summary

Focal Systems is hiring a Full Stack Software Engineer to join a remote Poland team. You will craft robust Python backends and REST APIs, alongside React/TypeScript frontend features, touching data from IoT devices across retailers worldwide.

You’ll own features end-to-end, ship weekly, and align with product goals. The role emphasizes ownership, data-driven decisions, and collaboration with global colleagues.

Qualifications

• 6+ years of professional software development experience.
• 3+ years Python (FastAPI, Flask) or similar backend language.
• 3+ years React and TypeScript experience.
• Solid experience with REST API design and development.
• Experience with data-intensive applications and/or microservices architecture.

Responsibilities

• Build and maintain scalable backend services with 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.

Job description

Focal Systems is hiring a Full Stack Software Engineer to join a remote Poland team. You will craft robust Python backends and REST APIs, alongside React/TypeScript frontend features, touching data from IoT devices across retailers worldwide.

You’ll own features end-to-end, ship weekly, and align with product goals. The role emphasizes ownership, data-driven decisions, and collaboration with global colleagues.