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September 23, 2026

Full Stack Engineer (Python/JavaScript) - Cloud & Data Platforms

Mid • Remote

160 - 180 PLN/yr

Warsaw, MA, Poland

Quick Facts

  • Role: Full Stack Engineer (Python/JavaScript) for Cloud & Data Platforms

Description

Build and maintain cloud and data platforms end-to-end, working on backend services in Python and frontend applications in JavaScript. Develop web applications with FastAPI/Flask and React/Next.js, design secure REST API interfaces (JWT/OAuth2), and manage databases in PostgreSQL and Snowflake. Deploy and debug containerized services on Kubernetes and automate releases with CI/CD pipelines.

Responsibilities

  • Develop and enhance web applications using Python (FastAPI, Flask) and JavaScript (React, Next.js)

  • Design, optimize, and manage PostgreSQL and Snowflake databases

  • Perform code reviews in large, actively developed projects

  • Deploy, manage, and debug services in Kubernetes clusters

  • Build and containerize applications with Docker

  • Design secure REST API interfaces with JWT/OAuth2 authentication

  • Maintain and configure CI/CD pipelines using GitHub Actions and GitLab CI

  • Use Git for version control (branches, pull requests)

Requirements

  • Full stack experience in Python (backend) and JavaScript (frontend)

  • Hands-on experience with FastAPI and Flask REST APIs

  • Hands-on experience with React and Next.js (SSR/SSG, routing, state management)

  • Experience with code reviews in large codebases

  • Practical Kubernetes knowledge (deployments, services, ingress, config/secrets, scaling, debugging)

  • Knowledge of Azure

  • Database experience in PostgreSQL and Snowflake, including schema design and performance tuning

  • Proficiency in Docker and containerization best practices

  • Strong Git knowledge (branch strategies, pull requests, conflict resolution)

  • Understanding of RESTful API design, authentication (JWT/OAuth2), and security best practices

  • Experience with CI/CD tools (GitHub Actions, GitLab CI)

Benefits

  • Long-term B2B contract cooperation

  • Work on advanced cloud and data-driven platforms

  • Opportunity to contribute to projects using a modern technology stack

  • Room for professional growth and technical initiatives

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