Senior Python Engineer

Windsor.ai; Poland; On-site; PLN 180,000 - 320,000; Full time

Job summary

Windsor.ai is seeking a Senior Python Engineer to join our remote-first data platform team. You will focus on Python services, API integrations, and scalable, production-ready systems.

The role requires 4+ years of programming experience, strong Python expertise (Flask), Linux-based environments, and fluent English. You’ll collaborate with a European team and help ensure reliability, speed, and quality in a fast-moving company.

Qualifications

• 4+ years of programming experience.
• Strong expertise in Python, with experience building and maintaining complex, production-grade systems.
• Solid experience working in Linux-based development and production environments.
• Fluency in English is mandatory.

Responsibilities

• Develop and maintain Python backend services.
• Build and maintain API integrations.
• Ensure scalability and reliability of production systems.
• Collaborate with a distributed European team.

Skills

Python programming

English fluency

Tools

Python (language)

Flask

pytest-xdist

pylint

React

Redux

Linux

Job description

Windsor.ai has been founded in 2017 in Zürich, Switzerland. At Windsor.ai, we are growing fast. We connect data from 300+ sources (Facebook Ads, Google Ads, HubSpot, Salesforce, TikTok) to 30+ destinations (Looker Studio, Google Sheets, BigQuery, Snowflake, and LLMs like ChatGPT and Claude). Our customers include Puma, Audi, UBS, Asics and many more.

We are building a platform that makes it easy to connect any data source to any destination. There is more data being generated in the world every day, but the big problem is that the number of tools is also increasing so data must be updated in multiple systems and tools. We are solving this problem.

Role:

We are looking for a Senior Python Engineer to join our team, focusing on Python services, API integrations, scalability, and production reliability.

Our Team:

Our team has around 30 people working remotely across Europe. We’re a highly technical team, and even our sales and marketing colleagues are comfortable writing at least some SQL. Our software engineers are specialised in backend with Python and frontend with React

Product:

We have built a data platform connecting to more than 300 different API’s. Big part of our work is dealing with all the complexity and variations in all the different API’s and scalability.

Technology:

We are mostly programming in python and using quite advanced features of python. Most common tools we use:

• Python : flask, threads, pytest-xdist, pylint
• React, redux for frontend

Role Requirements:

• 4+ years of programming experience.
• Strong expertise in Python, with experience building and maintaining complex, production-grade systems
• Solid experience working in Linux-based development and production environments
• Enjoy working in a fast-moving organization where you can have a real impact
• Fluency in English is mandatory

How we work:

We usually plan our work in two weeks intervals but the plan is not super strict so there might be some priorities changed during the sprint. We use Taiga, Gitlab, CI/CD lots of pytest and merge request reviews.

Location: Remote

Windsor.ai is a global team of data engineers and analysts who strive to make data integration effortless and insights easy to extract to everyone. We help businesses of all sizes connect their marketing and sales data, automate reporting, and measure what drives the greatest impact.

Requirements added by the job poster

• Accept a background check
• 4+ years of work experience with Python (Programming Language)