Senior Full-Stack Developer (Java/React)

Project overview

We are looking for an experienced Senior Full-Stack Developer for an exciting migration project in the SaaS sector. You will transfer an existing internal tool from a legacy solution (C# and ETL processes) to a modern, web-based service.

Your tasks include the complete redevelopment across all layers: from the API and the data layer to the user interface. You will be involved in replacing the previous solution and supporting the team in the technical transformation.

Requirements

Experience with C# code, knowledge of ETL tools like Talend, as well as experience with legacy rewrites and parallel cutover processes are advantageous.

The project is limited to 3 months and is offered as a freelance position. The work is 100% remote, regardless of location.

If you are interested in this challenge, please apply with your current CV.

• Extensive senior-level experience in full-stack development
• Profound Java knowledge with Spring Boot (or similar frameworks), REST API design and implementation
• Strong React competence with TypeScript
• Solid experience with relational databases
• Practical experience with Docker and CI/CD pipelines
• Automated tests in backend and frontend
• Fluent Italian (required)

Project details

• Start: flexible
• Duration: 3 Months
• Remote: onsite
• Location: DE
• Languages: German