Senior.NET Developer

About the Position

We are part of an international organization listed on Nasdaq Stockholm, operating in 11 countries. In Poland, we work with full autonomy. We independently choose our technologies, processes, and ways of working while maintaining the highest professional standards.

We deliver a wide range of IT projects in Poland and internationally, across multiple domains and technologies. This allows our consultants to develop their competencies and gain experience aligned with their professional ambitions.

Our collaboration is built around the CARE philosophy. For us, it means responsible project matching, transparent cooperation, and a long-term approach to professional growth.

Join us as Senior.NET Developer

Grow in an environment that cares about your development as much as you do.

Responsibilities

• Designing, developing, and maintaining high-performance back-end services using .NET and C# for an established, scalable system used for selecting electronic components and integrating with manufacturer databases.
• Working extensively with Azure cloud services and CosmosDB to build, maintain, and monitor resilient solutions.
• Setting up test automation structures and frameworks from scratch using tools like Playwright or Selenium.
• Actively leveraging AI coding assistants such as GitHub Copilot, ChatGPT, or Cursor to enhance productivity and troubleshooting, while proactively sharing AI-assisted development practices with the team.
• Collaborating directly with the US-based team in an Agile environment, actively participating in code reviews, sprint planning, and architectural discussions.
• Communicating with business stakeholders to understand requirements and translate them into effective technical solutions.

Requirements

• Minimum 8 years of professional experience in .NET development, demonstrating a senior-level mindset and problem-solving capabilities.
• Experience with C#, the Azure cloud ecosystem, and CosmosDB.
• Practical experience in using modern AI tools in daily software development and a willingness to promote these practices.
• Fluency in English to ensure seamless communication with US managers and developers.
• Flexibility to align with US working hours, specifically attending daily meetings between 17:00 and 19:00 CET.
• You need to live in Poland and/or be eligible to work here.

Nice to Have

• Background or interest in Electrical Engineering.
• General understanding of testing practices, CI/CD pipelines, and Git version control.
• Knowledge in TypeScript or JavaScript.

We Offer

• 100% remote work
• Work in a Scandinavian culture built on logic and dialogue.
• Health and sports benefits tailored to your needs.
• Speed Coaching – short sessions that provide new perspectives and solutions.
• Sports training, an internal team, and opportunities to take part in competitions.
• Team events and development-focused meetups.

About the Company

B3 Consulting Poland is part of an international consulting organization listed on NASDAQ Stockholm, operating in 11 countries. The company specializes in delivering diverse IT projects both locally and globally, covering multiple technologies and business areas. While belonging to a global group, its Polish branch operates with full autonomy in choosing technologies, processes, and ways of working, maintaining high standards. The company embraces a Scandinavian culture rooted in logic, dialogue, and transparency, and builds its collaboration model around the CARE philosophy, emphasizing responsible project selection, transparent cooperation, and long-term development. It combines international reach with a strong local identity and a people-focused approach.