New offer - be the first one to apply!

April 24, 2026

Junior Backend Engineer

Junior • Hybrid

7,000 - 13,000 PLN

Warsaw, Poland

At AI Clearing, we disrupt the construction industry using AI! 


We are a Warsaw-based startup with global ambitions, that applies AI to supervise huge construction sites.

Our SaaS platform is universally acclaimed by the biggest companies in the construction industry like Skanska, Eurovia, PCL, Neom and many more, and we already monitor dozens of mega construction sites across 6 continents.


Now, we are entering the hyper-growth stage and we are heavily investing in new features and technologies to expand our platform.


We are a fast-paced company with a flat organizational structure, which is an ideal place for ambitious people to accelerate their careers.

We are very open to new ideas and there are lots of opportunities to grow!


We have a mature development process with version control, code reviews, and automated CI pipelines.

We invest in the latest technologies - we operate in the cloud on a Kubernetes native infrastructure and strive to keep the best engineering practices, so there are lots of things to learn and implement!

 

As a Backend Engineer, you will join a team building our APIs providing data for the web and mobile frontend teams.


Requirements:

  • 1+ year of internship or professional experience

  • Solid knowledge of Python

  • Good knowledge of SQL, including query optimization

  • Experience with Git

  • Experience in developing APIs

  • Communicative command of English (both written and spoken)

  • Willing to work 3 days a week in our Warsaw office

  • Responsibility and sense of ownership

Nice to have:

  • Basic knowledge of Kubernetes and Argo Workflows

  • Experience with writing unit tests

Responsibilities:

  • implement and maintain REST API endpoints using FastAPI

  • Write and fix unit tests to ensure code quality and reliability

  • Write SQL queries and optimize their performance to support business logic

  • Participate in code reviews and contribute to team coding standards

  • Follow gitflow conventions and tag releases

  • Cooperate with other technical teams


What do we offer?

  • Competitive salary

  • Stock options plan (ESOP) - benefit from the company's success

  • Flexible working hours

  • Hybrid work (3 days in the office)

  • Multi-sport card

  • A lot of team-building events and parties


Join our team and let’s create the unicorn startup together!