Senior Full Stack Developer

Sii Ukraine is a subsidiary of Sii Poland — the leader in IT, engineering, and consultancy services with over 7500 IT experts in Poland and more than 250 prestigious customers. We are looking for a Senior Full Stack Developer to join the MyDevOps platform team. In this role, you will focus on developing and maintaining an internal developer platform that supports access management, license management, automation, integrations, and self-service workflows for engineering tools. You will work in a remote setup, collaborating with a dynamic team to deliver impactful solutions. If you are passionate about full stack development and eager to contribute to innovative projects, this opportunity may be the right fit for you. Requirements: Minimum 5 years of experience in software development with a strong focus on Python Hands-on experience with FastAPI, PostgreSQL, SQLAlchemy, and Alembic for backend development Proficiency in REST API development and frontend technologies including JavaScript and React Experience with AWS services, including AWS Lambda and CI/CD pipelines Ability to work with existing codebases and independently drive features Advanced level of English Tax residence in Ukraine required Nice-to-have requirements Experience in full stack development within production environments Familiarity with designing and implementing API integrations Knowledge of cloud-native application development Experience with developer platforms, identity management, or enterprise integrations is a plus