.Net Developer (Azure, Kubernetes)

About the Project

We are looking for a .Net Developer who will join the team that designs and builds large-scale fintech systems - both technologically and product-wise. You will have a chance to work with microservices that handle heavy traffic (hundreds of RPS), develop code managing significant financial transactions and experiment with cutting-edge fintech ideas.

Work Mode: hybrid (1 day/week from Warsaw office)

Job Responsibilities

• Design, build, test, and maintain high-quality code across the technical platform - including backend services, APIs, and automation tools

• Take part in on-call rotations

• Work closely with product managers, UX designers, and other engineers to define and refine requirements

• Write clean, efficient, and well-documented code

• Diagnose and fix software bugs and performance issues

• Engage in code reviews, offering and receiving constructive feedback

• Support ongoing improvements to development practices, tools, and workflows

Expectations

• Min. 5 years of experience

• Solid experience with the .NET platform (SDK, IDE, debugging and performance tools) and C# programming language

• Good understanding of software design patterns and testing methodologies

• Take pride in writing clean, maintainable code, welcome feedback, and actively share knowledge during code reviews.

• Knowledge of HTTP development and testing tools (e.g., Postman)

• Knowledge of Kubernetes and Azure

• Experience working with Swagger for API documentation and testing

• Strong problem-solving skills and a quick learner

• English on an advanced level (min. B2)

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.