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Senior Full-Stack Developer (Optimizely)

World leader in stone wool solutions, transforming volcanic rock into sustainable products.
Poznań, Poland
Frontend
Senior Software Engineer
Hybrid
5,000+ Employees
4+ years of experience
Enterprise SaaS · E-Commerce

Description For Senior Full-Stack Developer (Optimizely)

ROCKWOOL, the global leader in stone wool solutions, is seeking a Senior Full-Stack Developer to join their e-commerce and marketing platform development team in Poznań. This role offers an exciting opportunity to work on a modern, composable, headless cloud architecture using cutting-edge technologies like .NET 8+, React, and Optimizely CMS. The position combines technical excellence with business impact, requiring both strong development skills and collaborative abilities. The company offers a people-centric Danish work culture, comprehensive benefits, and a commitment to sustainability. With over 12,200 employees across 40+ countries, ROCKWOOL provides a stable yet innovative environment where you can make a meaningful impact on sustainable living through technology. The role offers hybrid working arrangements, professional development opportunities, and a modern office environment in Poznań's city center.

Last updated 15 hours ago

Responsibilities For Senior Full-Stack Developer (Optimizely)

  • Developing robust, scalable technical solutions
  • Implementing and maintaining automated build and deployment pipelines
  • Developing features across the stack—from data access and business logic to UI
  • Writing unit tests, fixing bugs, and documenting when needed
  • Troubleshooting and resolving production issues
  • Collaborating closely with business stakeholders

Requirements For Senior Full-Stack Developer (Optimizely)

JavaScript
React
Node.js
  • 4+ years of hands-on experience in Microsoft .NET/ASP.NET Core and SQL Server
  • Solid grasp of software design patterns and architectural principles
  • Proven experience in full-stack development with C# and web technologies
  • Strong understanding of performance, quality, and security in web applications
  • Familiarity with Agile practices like CI/CD, TDD, and code reviews
  • Experience with React is a plus
  • English proficiency at B2 level or higher
  • Excellent communication skills and collaborative mindset
  • Passion for GenAI and software development automation

Benefits For Senior Full-Stack Developer (Optimizely)

Medical Insurance
Dental Insurance
Vision Insurance
Mental Health Assistance
  • Competitive salary
  • Permanent contract after probation
  • Development package
  • Team building events
  • Activity-based office in city center
  • Home office up to 2 days per week
  • Flexible work hours
  • Home office subsidy
  • Private Medical Care
  • Multikafeteria MyBenefit
  • Wellbeing program
  • Extra day off for voluntary activities
  • Modern office space
  • Subsidized canteen

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