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Fullstack developer
  • Warszawa
Fullstack developer
Warszawa, Warszawa, Mazowieckie, Polska
HAYS POLAND Sp. z o.o.
16. 1. 2026
Informacje o stanowisku

For our client we are looking for Fullstack Developer.

100% remote. CoE or b2b.
Join our Innovation Team as a Full Stack Developer in our Warsaw Center of Excellence office (remote). 
Position Summary
We are seeking an experienced Full Stack Developer to join our dynamic and forward-thinking technology team.  The ideal candidate will bring 5+ years of hands-on software development experience, with strong expertise in modern web technologies, cloud platforms, and AI-enabled solutions. 
Key Responsibilities
• Architects and implements robust backend services using Python frameworks
• Develops responsive, intuitive, and accessible frontend interfaces using JavaScript, HTML, CSS, and C# Blazor
• Integrates AI technologies including Large Language Models (LLMs) into applications
• Collaborates with cross-functional teams including IT, Knowledge Management, and business stakeholders to deliver new features and enhancements
• Optimizes applications for performance, scalability, security and user experience in a professional services environment
• Participates in code reviews, testing, and documentation to ensure maintainability and quality standards
• Stays current with emerging AI technologies, legal tech trends, and software development best practices, applying them where appropriate
• Debugs, diagnoses, and resolves complex technical issues across the full technology stack
Qualifications
Skills & Competencies
• Advanced experience with .NET ecosystem and strong proficiency in C# development
• Solid experience developing full stack applications 
• Experience with other component-based frameworks (React, Vue, Angular)
• Cloud platform experience (Azure/ AWS-GCP)- nice to have
• Containerization with Docker and orchestration tools
• Strong working knowledge of Linux/Unix environments
• Unit testing and test-driven development practices
• Experience with CI/CD pipelines
• Knowledge of AI/ML frameworks (TensorFlow, PyTorch, Hugging Face)
Education & Prior Experience
• Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent professional experience
• Minimum of 5 years of full stack software development experience required
Technology
• Backend: Python (min. basic) and web frameworks (Django, Flask, FastAPI)
• Frontend: Expertise in JavaScript, HTML5, CSS3, and C# Blazor (experience with similar component-based frameworks acceptable)
• AI Integration: Experience working with AI APIs, machine learning libraries, or LLMs
• Database: Experience with relational databases
• Version Control: Proficiency with Git and collaborative 




What you need to do now 


If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.



Hays Poland sp. z o.o. is an employment agency registered in a registry kept by Marshal of the Mazowieckie Voivodeship under the number 361.

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