Backend Engineer (Python) - Poland

Confidential

Remote job permanent

Posted: March 19, 2026

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Quick Summary

Design and implement scalable, secure backend services for a SaaS platform, focusing on performance, reliability, and security. You will be responsible for designing and implementing fastAPI-based backend services with a strong understanding of relational and NoSQL databases, API security, and testing.

Required Skills

Python FastAPI Database Design MySQL MongoDB RESTful APIs API Security OAuth JWT Unit Testing Integration Testing Code Quality

Job Description

You will be responsible for designing and implementing scalable, secure backend services for a SaaS platform, focusing on performance, reliability, and security.

Requirements:

• Experience with Python (FastAPI) – Proven experience building and maintaining backend services using FastAPI and other Python frameworks.

• Database Design & Management – Strong knowledge of relational (MySQL) and NoSQL (MongoDB) databases.

• API Development – Proficiency in building and maintaining RESTful APIs and familiarity with API security and authentication standards (OAuth, JWT).

• Testing & Code Quality – Familiarity with writing unit and integration tests, maintaining clean, scalable, and well-documented code.

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