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Senior Full-Stack Developer (Java & React)

Darwin Recruitment · Germany · On-site · Senior

  • Germany · On-site
  • 3 Months
  • German

Indexed (today) · refreshed constantly

Start
flexible
Duration
3 Months
Work mode
On-site
Contract
Freelance / B2B
Seniority
Senior
Reference
51071

Required skills

Nice to have:C#ETL ToolsTalendLegacy RewritesCutover Processes

Languages: German

Job description

Experienced Senior Full-Stack Developer needed for a 3-month remote freelance project to migrate a SaaS internal tool from a legacy C# solution to a modern web-based service using Java and 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 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 understanding, ETL tools like Talend, as well as knowledge of 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 the backend and frontend
  • Fluent Italian (required)

Project details

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

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