Fullstack Developer (.NET + Python)

We are looking for a Fullstack Developer (.NET + Python) to join 7N, our internal team.

Hybrid work: 2 days in the office (ul. Puławska 182, right next to Wilanowska metro), 3 days remotely.

Expectations

• Proficiency in C#, ASP.NET, .NET Core, and Entity Framework
• Experience with MVC, Web API, and microservices architecture
• Strong knowledge of asynchronous programming and multithreading
• Hands-on experience with Azure services such as Azure App Services, Azure Functions, Azure Kubernetes Service (AKS)
• Experience with Azure DevOps for source control, CI/CD pipelines, and release management
• Understanding of security best practices, including authentication, authorization, and data protection
• Strong experience in API design and implementation using Python
• Experience integrating Large Language Model APIs (e.g. OpenAI's GPT models) 
• Understanding of prompt engineering and LLM response handling
• Polish and English skills are mandatory
• Nice to have: Understanding of basic machine learning concepts and workflows, familiarity with common ML libraries (e.g., scikit-learn, pandas, numpy)

We offer

• Ongoing support from a dedicated agent, taking care of your project continuity, client contact, necessary formalities, work comfort and development, 
• Consultant Development Program – advice on growth planning based on the latest trends and market needs in IT, including consultations with agents and growth mentors, 
• Access to 7N Learning & Development – a development and educational platform with webinars, a library of articles and industry reports, and regular invitations to one-time and recurring development events – technical, business, and lifestyle, 
• Spectacular integration events, both for you (e.g., annual Kick-Off trip, Christmas parties, or Summer Olympics sports events) and for your loved ones (e.g., family picnics, movie premieres), 
• Professional development not only during the project – you can get involved in knowledge transfer to others within the 7N Services offering directed at 7N clients, 
• Relationships and access to the knowledge of the most experienced IT experts in the market – the average professional tenure of our consultants in Poland is over 10 years, 
• A complete benefits package, including funding for medical care, life insurance, sports cards for you and your loved ones, as well as discounts in stores in Poland and abroad. 

About 7N

Constantly searching for projects, difficult rate negotiations, lack of development support – sounds familiar? At 7N, you gain not only stability of contracts but also the personal involvement of a dedicated agent who ensures your professional comfort and continuous access to development initiatives. 

Our mission is to provide stable and rewarding collaborations that drive your success as an IT expert and the success of our clients. We build long-lasting relationships based on Scandinavian values and 30 years of experience creating IT solutions for over 200 organizations.