Сергій Галенко

I lead a professional team of skilled developers capable of delivering projects quickly and with high quality.
We specialize in building robust backend systems, scalable APIs, and cross-platform mobile applications. Our expertise allows us to handle complex tasks efficiently, from idea to deployment.

Work Experience:

• Backend Developer (Python, RESTful APIs, MongoDB)
  PUHT Młynpol Ryszard Stalmach, Netherlands (Dec 2021 – May 2022)
  Developed and optimized backend systems with Python, focusing on RESTful APIs and MongoDB. Designed logistics route optimization solutions, improving delivery efficiency. Collaborated closely with logistics teams to streamline operations.

• Full Stack Developer — Junior
  Tenthousand, Kyiv — Project: TimeLeft (Social Network) (May 2022)
  Worked on UI/UX design for a mobile app, ensuring a smooth user experience. Managed PostgreSQL databases and implemented Prisma1 & Nexus for database management, GraphQL & Apollo for API optimization, and Mobx-react-lite & Axios for state management and networking.

Our Team Skills:

• Backend: Python, Django, Flask, RESTful APIs, GraphQL, MongoDB, PostgreSQL, SQLAlchemy, Celery, Redis, Docker, Gunicorn

• Frontend & Mobile: JavaScript / TypeScript, React Native (CLI / Expo), Redux, Mobx, Axios, Fetch API, React Navigation, Styled-components, React Native Paper, Firebase

• Testing: Jest, React Native Testing Library

• Full Stack & Server: Node.js, NestJS