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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
Backend
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 digital transformation journey. The role focuses on building a new e-commerce and marketing platform using composable, headless, cloud architecture. As part of a collaborative web development team in Poznań, you'll work with cutting-edge technologies including .NET 8+, Optimizely CMS, NextJS, and React. The position offers a blend of technical challenges and business impact, requiring expertise in both backend and frontend development. The company provides an attractive work environment with a hybrid work model, comprehensive benefits package, and modern office facilities. ROCKWOOL's commitment to sustainability and innovation makes this an excellent opportunity for developers looking to make a meaningful impact while advancing their careers in a stable, global organization. The role combines technical excellence with business acumen, offering the chance to work on scalable solutions that directly impact customer experience.

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)

TypeScript
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
  • Experience with RESTful APIs on .NET
  • Knowledge of Headless CMS Optimizely setups

Benefits For Senior Full-Stack Developer (Optimizely)

Medical Insurance
Dental Insurance
Vision Insurance
  • Competitive salary
  • Permanent contract after probation
  • 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
  • Recreational facilities (PlayStation, football table, pool table, board games)
  • Subsidized canteen with food & fruit

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