Fullstack .Net/React Developer (with Kubernetes)

About the Project

We are looking for Fullstack Developer to join a project from production industry. For the IAM/IdP initiative, we are looking for Developer with deep experience in Kubernetes-based environments, proficient backend skills in .NET, and solid frontend capabilities in React.

Work Mode: remote

Start of the project: December 2025

Duration of the project: 3 months (with possibility of extension)

Job Responsibilities

• Continue the development and enhancement of the existing MVP authentication component

• Collaborate with internal teams to integrate the authentication component across multiple platforms

• Provide 3rd-level application support, including troubleshooting and debugging across diverse technology stacks and infrastructure components (e.g., firewalls, load balancers)

• Implement new features based on the prioritized backlog, ensuring high-quality, production-ready solutions

• Deploy applications and updates using Helm charts in Kubernetes environments

• Support the project during its post-go-live ramp-up phase, helping onboard new users and application subscribers

• Maintain an end-to-end perspective on systems and integrations, ensuring smooth operation of critical infrastructure components

Expectations

• Min. 5 years of experience

• Proven full-stack development experience with a track record of delivering production-ready solutions

• Strong backend development skills in .NET and frontend expertise with React

• Experience with Kubernetes environments and containerized, cloud-native architectures

• Hands-on experience with Keycloak for user authentication and federation

• Knowledge of Microsoft Entra ID integration

• Experience with Temporal for workflow orchestration

• Familiarity with deploying and operationalizing shared components across multiple systems

• Strong debugging and problem-solving skills across both application and infrastructure layers

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.