Fullstack Developer (Flutter | Angular | .NET)

Join a dynamic development team in Kraków to build high-quality, scalable applications. This role is unique in its breadth: you will lead frontend and mobile efforts using Angular and Flutter, while simultaneously supporting backend services powered by C#/.NET and SQL. You will be part of a product-focused team where your work directly impacts real customers daily, moving projects from initial requirements through Agile sprints to final deployment.

Details

• Location: Kraków (Hybrid)

• Rate: 90-105 PLN/h net + VAT (B2B).

• Employment Type: Full-time.

• Seniority: 3+ years of professional experience.

• Start Date: ASAP.

Responsibilities

• Cross-Platform Development: Building and maintaining applications using Angular (web) and Flutter (mobile).

• Backend Support: Developing and supporting services with C#/.NET and SQL Server.

• API Integration: Designing and implementing RESTful APIs and ensuring seamless frontend-to-backend connectivity.

• Quality Assurance: Performing unit testing, debugging, and participating in rigorous code reviews.

• Agile Collaboration: Contributing to the full lifecycle of Agile sprints, from planning to CI/CD deployment.

Requirements

• Frontend/Mobile: Strong proficiency in Angular, Flutter, TypeScript, and modern CSS/HTML.

• Backend: Experience with C#/.NET and SQL Server (knowledge of NoSQL is a plus).

• Workflow: Familiarity with Git and Agile methodologies.

• Security: Awareness of performance, scalability, and secure coding practices.

Nice to Have

• Mobile Extras: Experience with Ionic or Cordova.

• Cloud & DevOps: Familiarity with Azure/AWS, Azure Functions, and CI/CD pipelines.

• Identity: Knowledge of OAuth, JWT, or IdentityServer.