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Senior Full-Stack Developer (Optimizely)

World leader in stone wool solutions, transforming volcanic rock into sustainable products, founded in 1937 in Denmark.
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 innovative e-commerce and marketing platform development team. This role is part of an exciting initiative to build a new platform based on composable, headless, cloud architecture, aimed at creating seamless customer experiences. The position is based in Poznań, Poland, where you'll work with a collaborative and positive web development team.

The technical stack is comprehensive, including .NET 8+, Episerver/Optimizely CMS, Microservices, Apache Kafka, and SQL Server for backend development, while the frontend utilizes modern technologies like NextJS, React, and TailwindCSS. The DevOps infrastructure is built on Azure DevOps and Github Actions, with Docker containerization.

As a Senior Full-Stack Developer, you'll be responsible for developing scalable solutions, maintaining deployment pipelines, and working across the entire stack. The role requires 4+ years of experience in .NET/ASP.NET Core and SQL Server, along with strong knowledge of software design patterns and web technologies.

ROCKWOOL offers an attractive compensation package including hybrid work options, flexible hours, comprehensive health benefits, and various perks such as a modern office environment with recreational facilities. The company, founded in 1937, has a strong focus on sustainability and innovation, employing over 12,200 people across 40+ countries.

This is an excellent opportunity for a senior developer who wants to make an impact in a global company that's committed to sustainability and modern living through innovative solutions.

Last updated 14 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)

Java
JavaScript
Node.js
React
TypeScript
  • 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
  • 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 with recreational facilities
  • Subsidized canteen with food & fruit

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