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Senior Full-Stack Developer (Optimizely)

World leader in stone wool solutions, transforming volcanic rock into sustainable products since 1937.
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, a global leader in stone wool solutions, is seeking a Senior Full-Stack Developer to join their e-commerce and marketing platform development team. This role focuses on building a new platform based on composable, headless, cloud architecture, utilizing modern technologies like .NET 8+, React, and Optimizely CMS. The position offers a blend of technical challenges and collaborative opportunities within a team known for strong cooperation and good humor. The tech stack includes both frontend and backend technologies, with emphasis on scalable solutions and modern development practices. The company offers a comprehensive benefits package, flexible working arrangements, and a modern office environment in Poznań's city center. As part of a Danish company with a strong focus on sustainability and innovation, this role provides an opportunity to contribute to projects that impact global sustainability while working with cutting-edge technologies.

Last updated a month 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
  • Experience with serverless/microservices architectures
  • Knowledge of RESTful APIs on .NET

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 working 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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