Rowing boat viewed from above

Senior Python Engineer

Kraków, Office or Remote

Jobs >

Senior Python Engineer

We’re looking for a Senior Backend Engineer (Python / FastAPI) to design and build scalable backend services using FastAPI and async Python.

You’ll work on high-performance APIs, cloud-native systems, and data-heavy applications, with ownership over architecture decisions and production reliability.

Tech Stack

Backend: Python, FastAPI, Flask

Data: PostgreSQL

Infra: Docker, CI/CD, Cloud (Azure preferred)

Other: REST APIs, async processing

What You’ll Do

  • Design and build scalable backend services using FastAPI and async Python
  • Define API architecture, data models, and service boundaries
  • Optimize performance across APIs, databases, and async workloads
  • Implement secure authentication (OAuth2, JWT) and data protection best practices
  • Design and tune PostgreSQL schemas, queries, and connection strategies
  • Containerize and deploy services using Docker and cloud infrastructure (Azure preferred)
  • Build and maintain CI/CD pipelines for reliable delivery
  • Integrate external services (including AI/ML APIs where relevant)
  • Work closely with frontend, data, and product teams on end-to-end solutions

What We’re Looking For

  • 5+ years of experience building backend systems with Python
  • Strong expertise in FastAPI and async programming
  • Solid understanding of API design, system architecture, and scalability
  • Experience with PostgreSQL and performance optimization
  • Hands-on experience with cloud environments (Azure, AWS, or GCP)
  • Experience with Docker, microservices, and CI/CD pipelines
  • Ability to make pragmatic technical decisions and own solutions end-to-end

Nice to Have

  • Experience integrating AI/ML or LLM-based services
  • Familiarity with event-driven systems or message queues
  • Experience with observability (logging, monitoring, tracing)

What do we offer you?

  • Attractive salary
  • Large freedom and real influence
  • No unhealthy competition, team approach to meeting challenges
  • Remote-first, flexible working culture
  • Company apartments in cool cities across Europe: work and enjoy a memorable getaway

About Us

We are a software house with 18 years of experience and a global portfolio of projects. We help businesses modernize, scale, and innovate through custom software solutions. Our team embraces unconventional ideas and new technologies, delivering solutions with real impact. If you value professionalism, creativity, and a strong engineering culture, you'll feel at home here.

join our team: Apply Now!

Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Senior Python Engineer

Kraków, Office or Remote

4,300€ - 10,000€ / month (B2B)

Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Down arrow button

Why should you join our team?

Lorem Ipsum  on any aspect of the functioning of the whole and influence the direction in which we are going together. Our employees are constantly training in many areas that

 Work & travel

Training budget

Flexible working time

  Private medical care