Polcode is a Poland-based software house working with clients worldwide since 2006. We build web, mobile, and eCommerce products for startups and well-established companies across Europe, the US, and beyond. What makes us different? We put people first while staying deeply tech-driven - People at heart | Technology in mind. We trust our teams, encourage ownership, share knowledge daily, and create a place where everyone can grow and feel at home. 💜

100% remotely (within Poland only) or in our office: Warszawa

B2B: 140-200 PLN/H + VAT

Hi, Polcode here!

We’re a global, people-first software house matching ambitious developers with challenging projects. Our team of over 100 professionals helps build and improve digital businesses, software platforms, eCommerce stores, websites, apps, and everything in between. And they’re good at it.

We’re currently looking for a Senior Full Stack Developer (.NET / Angular / React) to join a long-term project in the energy sector, focused on building solutions supporting sales and procurement processes.

You’ll be working on a system that is actively used in daily business operations and continuously evolving with new functionalities. This is a stable, long-term project where you’ll have a real impact on the development of business-critical features.Due to close collaboration with stakeholders, German is used in day-to-day communication, making it an important part of this role.

Why This Project Is Worth Your Attention

• Long-term, stable project in the energy sector,
• Work on systems supporting core business processes (sales & procurement),
• Real product with active users and continuous development,
• Full-stack ownership - from UI to backend and database,
• Strong engineering culture (code reviews, CI/CD, best practices),
• Close collaboration with business and technical stakeholders,
• International environment with German as a working language.
  
  

Get Ready To

• Develop and maintain backend services using .NET / ASP.NET Core
• Build modern frontend applications using Angular or React
• Design and develop RESTful APIs
• Deliver end-to-end features (UI → API → database)
• Create responsive and user-friendly UI components
• Collaborate in an Agile team (PO, QA, UX)
• Participate in code reviews and CI/CD processes
• Troubleshoot and optimize performance across the full stack
• Contribute to product development aligned with business needs.
  
  

What Were Looking For

• Solid commercial experience as a Full Stack Developer (.NET) (senior level)
• Strong experience with:
• .NET 8, ASP.NET Core, C#
• REST API design and development
• Angular (v12+) or React
• TypeScript, HTML, CSS
• Experience with Azure and cloud-based solutions
• Good knowledge of SQL databases (PostgreSQL / Oracle)
• Experience with Azure DevOps
• Familiarity with Git
• Experience using AI tools in development (e.g. GitHub Copilot, Claude Code)
• Strong problem-solving mindset and ownership
• Very good communication skills and ability to work in a team
• Fluent German (B2/C1) - used in daily communication
• English - nice to have.

It Would Be Great If You Also Have

• Experience with Docker / Kubernetes
• Knowledge of microservices architecture
• Experience with Kafka or RabbitMQ
• Experience with testing frameworks (Jest, Cypress, Playwright, xUnit)
• Familiarity with Terraform
• Experience in the energy sector.
  
  

Our Recruitment Process

• People Interview – short call/video call to talk about your experience, expectations, and availability
• Skill Check – online test to verify core technical skills
• Technical & Business Final Interview – deeper technical discussion plus project/context fit.
  
  

Perks of being a #Polcoder:

• Multisport card, private medical care, life insurance, and meaningful gifts to celebrate important days
• Competitive salary with up to 20 paid days off (B2B) and development budget
• All the necessary equipment for comfortable work
• Professional onboarding process
• We respect your private life - no overtime, no weekend jobs, work-life balance only, promise!
• Work at times that suit your daily rhythm, from the place of your choice
• Your work is appreciated - we believe in the power of feedback, as well as the one you give us.
  
  

TL;DR

• 100% remote work
• 0% nonsense
  
  

We strongly believe that putting people first makes our work better.

We encourage you to grow your career, contribute to open source, and follow your passion. We wanna do great things with you! 💜

Sounds like a match? Let’s talk!

If you’d like to know more or have any questions, reach out to Ela - she’s always open for a quick chat.