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.Net Developer

World leader in stone wool solutions, transforming volcanic rock into sustainable products with 12,200+ employees across 40+ countries.
Poznań, Poland
Backend
Mid-Level Software Engineer
Hybrid
5,000+ Employees
2+ years of experience
Enterprise SaaS

Description For .Net Developer

ROCKWOOL Digital is seeking a .NET Developer to join their Web Applications and API Services Department in Poznań. As a global leader in stone wool solutions, ROCKWOOL transforms volcanic rock into sustainable products that enhance modern living. The role sits within the Web Applications & API Services team, focusing on building and maintaining modern, scalable web solutions for both internal users and external customers.

The position offers an opportunity to work in a DevOps-oriented environment, contributing to the development of microservices-based applications. You'll be involved in the complete development lifecycle, from design to deployment, working with cutting-edge technologies like .NET 8, microservices architecture, and various cloud services.

The company culture, known as "The ROCKWOOL Way," emphasizes values of ambition, responsibility, integrity, and efficiency. With a strong focus on sustainability and innovation, ROCKWOOL actively contributes to the UN's Sustainable Development Goals. The work environment is truly international, with 79 different nationalities worldwide, promoting diversity and inclusion.

The position offers an attractive compensation package including hybrid work options, flexible hours, comprehensive healthcare, and various lifestyle benefits. The modern office space in Poznań's city center provides an excellent working environment with various amenities. This role presents an excellent opportunity for a .NET developer looking to make an impact in a global, sustainability-focused organization while working with modern technologies and contributing to meaningful projects.

Last updated 14 days ago

Responsibilities For .Net Developer

  • Design and build backend services with .NET 8 and microservices architecture
  • Write clean, maintainable, and testable code
  • Create and maintain CI/CD pipelines
  • Participate in code reviews and continuous improvement initiatives
  • Perform debugging, testing, and documentation
  • Collaborate with product owners and tech leads to refine requirements
  • Contribute to DevOps culture and drive technical excellence

Requirements For .Net Developer

TypeScript
Node.js
  • 2+ years of experience in .NET / C# development
  • Strong background in microservices architecture and designing REST APIs with ASP.NET Core
  • Familiarity with SQL (MSSQL) and NoSQL (e.g., MongoDB)
  • Hands-on experience with: Git, CI/CD, unit testing, DDD, TDD, CQRS
  • Understanding of Agile / Scrum processes
  • Strong problem-solving skills and solid communication in English (B2+/C1)

Benefits For .Net Developer

Medical Insurance
  • Competitive salary
  • Permanent contract after probation period
  • Development package
  • Team building events
  • Activity-based office in Poznan's city center
  • Home office up to 2 days per week
  • Flexible working hours (7:00 AM - 9:00 AM start)
  • Home office subsidy
  • Private Medical Care
  • Multikafeteria MyBenefit
  • Wellbeing program
  • Extra Day Off for voluntary activities
  • Modern office space
  • Bicycle parking facilities & showers
  • Chill-out rooms with PlayStation
  • Subsidized canteen with food & fruit

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