18 000 - 24 000 PLN gross/month [permanent]

18 000 - 24 000 PLN net/month [b2b]


About the role

As a company we specialize in fraud prevention. We enable online merchants to sell more, earn more, and maximize every dollar they invest in risk management and customer acquisition. With us, you will experience a great variance of datasets - we protect Clients in areas of e-commerce, crypto, ridesharing, digital lending, BNPL and many more.

Now we are looking for a Senior Python Developer with strong back-end development experience to join the Product End Team that is responsible for our client-facing services.

In our team everybody takes responsibility for various pieces of code, functionally or project. This provides the opportunity to be the owner of a given domain and drive its direction as well as stay in focus with the task at hand.
What’s more? We work in Scrum using daily stand-ups, weekly sprints, starting from planning and finishing with review and retro.


Our technology stack:

  • Back End: Python 3, PostgreSQL (with SQLAlchemy), FastAPI, Pyramid, Pytest
    But also: Nginx, RabbitMQ, Redis
  • Front End: Vanilla ES6+, React, MobX, D3
  • Development process: Docker, Kubernetes, GitLab (repository, issue tracker, CI), Sentry, Grafana



What will you be responsible for?

  • Working on the public and internal API backends
  • Designing and implementing new features (code, tests, documentation) and maintaining current ones (optimizations, bug fixes)
  • Conducting code reviews
  • Taking part in brainstorms, workshops and other team and cross-team meetings


What do we expect from you?

  • At least 4 years of experience as Back-end Developer
  • Strong knowledge of Python, familiarity with Python libraries: SQLAlchemy, Pytest
  • Experience in using Docker, Kubernetes (from the developer side)
  • Good understanding of HTTP protocol as well as good knowledge of Relational Databases; SQL; some ORM
  • Familiarity with following topics: Internet protocols, Browser Cache, Authentication mechanisms, web-applications performance, Unix, Encoding, Encryption and other things related to web-applications
  • Fluency in the basic usage of Linux terminal and Git
  • Experience in maintenance of production services (deployment; monitoring).
  • Willingness to share knowledge with less experienced developers.
  • Communicative English

Nice to have:

  • Willingness to develop as a FullStack Developer
  • Working experience with large scale, data intensive applications
  • Presented ability to lead technical agenda of a project


At Nethone we create a team of friendly, flexible and open-minded technology enthusiasts 

Our mission is to make purchasing online safer and simpler. To achieve that we leverage deep user profiling and cutting-edge machine learning models.


Our clients include Vinted, Grover, Azul, Polish Airlines LOT, Booksy, Ramp Network, Wema Bank and BlaBlaCar.

Working with high profile companies across multiple sectors and geographies, Nethone enables clients to run their businesses safely and efficiently, increasing their revenues and their end-clients’ satisfaction. We continually monitor cybercrime trends and techniques to stay ahead of fraudsters and provide our clients with the best possible anti-fraud solutions. 


Working with us means:

  • Using cutting-edge technology that sets the trend in the fintech industry
  • Working with a passionate and creative team of people ready to go the extra mile
  • Being part of a truly international (10+ countries) and inclusive culture with a focus on transparency and flexibility
  • Travelling a short distance from concept to implementation
  • Finding the sweet spot between quality and efficiency
  • Non-stop learning and improving things
  • Remote-first culture


Are you willing to join our ambitious team of self-starters with the drive to get quality things done?

Join us and let’s build Nethone together!


Our Benefits:

remote-first  Remote-first culture - and truly international team (+10 countries)

flexible working hours  Flexible working hours - Morning birds, night owls and people working from another continent feel equally comfortable


flexible working hours  Self development - Cash awards for the quarter's best employees, funding for development materials and trainings

 Team building - Company-wide meetings in person, budgets of each team for its own integrations, cyclical office integrations

health and wellness  Health and wellness - Taking care about employees’ mental and physical health. Multisport and health insurance


English classes  English classes - English is our main language of communication and our employees are able to improve their skills by attending free classes



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