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Python Developer (f/m/x)

Sii PolskaWarszawanofluffjobsveröffentlicht 28.08.2026
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Muss:PythonGitBackendAgileScrumCI/CD

We are looking for a Python Developer to join our international team developing a strategic platform that powers vehicle pricing and recommendation processes across the organization. The solution collects and processes large volumes of internal and external data, transforms it into a unified data model, and delivers pricing insights through modern APIs. As a Python Developer, you will play a key role in building scalable data pipelines, backend services, and integrations while collaborating closely with product owners, architects, and software engineers in an Agile environment.

Daily tasks

  • Designing, developing, and maintaining data ingestion and transformation pipelines
  • Building and evolving the data model with a strong focus on data quality, consistency and reliability
  • Developing and maintaining Python backend services and REST APIs that expose pricing and vehicle-related data
  • Integrating internal and external systems through APIs and event-driven data flows
  • Writing clean, well-documented and well-tested code while ensuring production stability through monitoring and data quality checks
  • Collaborating closely with Product Owners, Architects, Scrum Masters and Developers to deliver scalable business solutions

Requirements

At least 4 years of professional experience as a Python Developer with a focus on backend and data development Strong proficiency in Python, including experience with data-processing libraries such as Pandas Experience with frameworks such as FastAPI or Flask Solid SQL skills and hands-on experience with relational databases, particularly PostgreSQL Experience building and orchestrating data pipelines, ideally using Airflow Familiarity with Git, code reviews, testing, and CI/CD practices Fluent English and Polish communication skills, with experience working in an international environment Willingness to work from the Warsaw office 2–3 days per week (50% on-site) Nice-to-have requirements

Experience with Angular

Must have: Python, Pandas, FastAPI, Flask, SQL, PostgreSQL