Python Backend Developer

Quick Facts

• Role: Python Backend Developer (B2B)

• Focus: Backend development for an e-banking mobile platform

• Collaboration: Hybrid work; 1 day per week in Warsaw

• Working language: Polish

Description

You will develop and maintain the backend for an e-banking mobile application, including Python microservices and the Backend-for-Frontend (BFF) layer. You will define integration contracts and implement REST API endpoints between system layers (BE, SRV, BFF, CS), supporting quality through code reviews and Agile/Scrum delivery.

Responsibilities

• Build and evolve backend microservices in Python using FastAPI

• Build and maintain the BFF (Backend for Frontend) layer

• Define and align API/integration contracts between BE, SRV, BFF, and CS

• Implement and maintain REST endpoints

• Participate in code review and ensure code quality

• Collaborate with analysts, architects, and DevOps teams

• Deliver completed increments aligned with the Definition of Done at the end of each Sprint

Requirements

• Experience building backend microservices in Python with FastAPI

• Experience designing and implementing REST APIs

• Experience building and maintaining a BFF layer

• Practical experience working in Agile/Scrum

• Experience conducting code review

• Knowledge of Git version control

Benefits

• Private medical care

• Co-financing for sports activities

• Formal support from documents to onboarding