Python Backend Engineer – Platform & Reliability

Python

Python Backend Engineer – Platform & Reliability

Python
Al. Jerozolimskie 134, Warszawa

Craftware

Full-time
B2B
Senior
Remote
35 - 47 USD
Net per hour - B2B

Job description

We are a provider of digital transformation and technology consulting services with a portfolio of solutions for both clients who do not yet have Salesforce and large organizations that work on Salesforce and use its extensive capabilities ☁.

We also provide body and team leasing services in IT, providing specialists in various fields.


Model: remote

Employment type: full-time


You will join the team responsible for developing the backend of a diagnostic platform that is currently undergoing a transformation from a local monolith into a modern, modular, cloud-ready architecture. Your goal will be to build a stable, predictable backend that can be safely developed and maintained in production.


Key Responsibilities:

  • Cleaning up and refactoring the existing backend into clear modules, services, and APIs.

  • Preparing applications for production environments (Gunicorn, Docker, long-running processes).

  • Improving system performance and reliability for daily operational use.

  • Building unit and integration tests that provide real protection against regression.

  • Working with the product team to design a backend that supports diagnostic processes and user experience (UX).

  • Designing and optimizing database schemas and queries.


Requirements:

  • At least 3 years of experience in backend development using Python.

  • Practical experience with Flask or Django.

  • Proven experience in designing REST APIs and modular applications.

  • Knowledge of Docker and CI/CD fundamentals.

  • Experience working with databases such as PostgreSQL, MySQL, or NoSQL.

  • The ability to read existing code and improve it incrementally.


Nice to Have:

  • Experience working with or refactoring legacy systems.

  • Familiarity with monitoring, logging, or metrics.

  • Knowledge of cloud environments.


We offer:

  • B2B contract,

  • Daily support from team leaders,

  • Dedicated certification budget,

  • Assistance in defining and support in your development path,

  • Benefits package,

  • Integration trips/events.

Tech stack

    English

    C1

    Python

    master

    Django

    advanced

    Flask

    advanced

    Docker

    regular

Office location