Senior .NET/Angular Developer

For our client operating in the renewable energy industry, we are looking for a Fullstack Developer (.NET/Angular) to work on the continued development of a product suite supporting offshore wind farm asset lifecycle management. This role involves designing, developing, and evolving scalable, secure, and maintainable products using .NET technologies, Angular, cloud platforms, and modern integration frameworks.

Location

Hybrid - 2 days/week from Warsaw office

Tasks

• Designing, developing, and evolving scalable, secure, and maintainable products using .NET technologies, Angular, cloud platforms, and modern integration frameworks

• Taking senior-level ownership of solution quality, security, and compliance by applying best practices for data protection, authentication, authorization, secure coding, observability, and regulatory requirements

• Owning and improving applications in production, including reliability, performance, maintainability, incident resolution, and continuous improvement of operational practices

• Driving cloud-native engineering practices, including deploying, scaling, and managing applications in AWS and designing resilient integrations using messaging systems such as Kafka

• Guiding technical discussions, supporting code reviews, mentoring less experienced engineers, and collaborating with architects, product owners, and stakeholders to translate business needs into robust technical solutions

Requirements

• 5+ years of experience in .NET Core, C#, and Angular

• Strong experience with system integration and distributed application development using REST APIs, microservices, Docker, Kubernetes, messaging platforms such as Kafka or AMQ, and SQL or NoSQL databases

• Strong experience with cloud-native technologies on AWS, such as Kubernetes (EKS), cloud storage, secrets management (AWS Secrets Manager), data pipelines, infrastructure automation, monitoring, and production-grade deployments

• Experience in DevOps practices and tools for automation, continuous integration, continuous delivery, test automation, release management, and improving developer productivity

• Confidence working with version control systems such as Git, build and deployment tools such as Azure DevOps or GitHub Actions, and containerization technologies such as Docker and Kubernetes

• Demonstrated senior-level ownership, strong problem-solving skills, and the ability to mentor colleagues, influence technical direction, communicate effectively with stakeholders, and balance delivery speed with long-term quality

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 – sound 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.