Senior Python Backend Engineer

Design, implement and maintainApache Airflow DAGsManage and optimizeGoogle Cloud ComposerenvironmentsDevelop Python backend services andREST APIsUsePydanticfor schema modelling, validation and type enforcementBuild integrations between pipelines and backend services through APIsHandle authentication, retries, idempotency and standardized response...

Altoros, a leading IT services provider in Warsaw, is seeking a Senior Python Developer with over 4 years of experience in backend systems. The ideal candidate will have deep expertise in Django and Django REST Framework, strong PostgreSQL skills, and hands-on experience with Google Cloud Platform. Responsibilities include leading incident response, fixing...

Software Mind is seeking a Senior Python Software Engineer to design and build scalable backend services for a data‑intensive platform. You will collaborate with experienced engineers to shape technical solutions, ensure reliability, and advance the platform and engineering practices.You will work with Python, REST APIs, SQL databases, and cloud services...

payabl. invites a Senior Python Backend Developer ( Services ) to join our engineering team and evolve the service layer with reliable, scalable microservices.This remote-from-Poland contractor role focuses on extracting business logic from legacy systems and reimplementing it as modern Python services, with emphasis on correctness, resilience, and...

SQUARE ONE RESOURCES sp. z o.o. in Warszawa is seeking a Senior Python Backend Engineer – Data / GCP to design, implement and maintain data pipelines on Google Cloud Platform.You will build REST APIs, develop reusable Airflow components, and collaborate with Data Engineering, Platform and Product teams to deliver scalable data services. You will work with...

b3consultingpoland in Poland is seeking an experienced Python Backend Developer to join a greenfield banking project. You will design, develop and maintain backends that present financial data using Python and PostgreSQL, building high-performance data processing pipelines.You will create and maintain Python libraries, write unit and integration tests, and...

About Shelf The enterprise is going agentic and we are creating a unique operating system for an automated future. Most AI agents break the moment they hit real business complexity. That’s why we built a platform that models a company's policies, workflows, and operational logic into an AI Data Model. Shelf enables AI Agents to reliably reason and deliver...

payabl is expanding its engineering capabilities and seeks a Senior Backend Engineer to design and build scalable backend systems for a unified payments platform. You will work on high-performance services, integrate third-party APIs, and collaborate with cross-functional teams in a distributed, remote-first environment.The role emphasizes Python...

payabl, a fintech platform operating remotely in Poland, is seeking a Senior Python Backend Developer (Services) to architect and evolve our service layer. You will transform legacy logic into modern Python microservices and ensure reliability and maintainability at scale.The role emphasizes hands-on coding, design ownership, and collaboration with the...