Skip to content
Apply now

This job is listed on several sites
Sii Sp. z o.o.

Senior Python Developer (f/m/x)

Sii Sp. z o.o. Show all offers
B2B
Hybrid
Senior
Kraków
Lublin
Katowice
Białystok
+10
Expires Nov 12, 2026
20 days ago

In short

Senior Python Developer for MyDevOps platform. Responsibilities include backend/frontend development, feature implementation, system integrations, automation, and AI tool utilization. Requires 5+ years Python experience, FastAPI, PostgreSQL, SQLAlchemy, Alembic, JavaScript, React, and AWS. Offers B2B contract, hybrid work, benefits, and growth opportunities.

Keywords

python fastapi postgresql sqlalchemy alembic javascript react aws lambda ci/cd rest api

AI-written summary based on the listing content.

Technologies we use

About the project

Your responsibilities

  • Developing and maintaining both backend and frontend components of the MyDevOps platform
  • Implementing new features and enhancements to improve platform functionality
  • Building integrations with internal and external systems to streamline workflows
  • Improving automation and self-service capabilities for engineering tools
  • Supporting ongoing maintenance and continuous improvement of the platform
  • Utilizing AI-assisted development tools to enhance the daily development workflow

Our 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

Optional

  • Experience in full-stack development within production environments
  • Familiarity with designing and implementing API integrations
  • Knowledge of cloud-native application development
  • Previous work with developer platforms, identity management, or enterprise integrations

What we offer

  • Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
  • Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
  • We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
  • Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
  • Comfortable workplace – class A offices or remote work
  • Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
  • PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
  • Investment in your growth – meetups, webinars, training platform and technology blog – you choose
  • Fantastic atmosphere created by all Sii Power People

This is how we work on a project
Published 2026-10-13
Source

Hexjobs App

Tools tailored to this listing.