Full Stack Engineer

.NET Fullstack Developer | Freelance | Hybrid Lisbon

We are looking for a .NET fullstack developer to join a global technology firm delivering content driven platforms for enterprise clients. Stack: C# with .NET Framework and .NET Core on the back end, React and Next.js on the front end.

The challenge

Design, build and ship full stack applications on a microservices based architecture, with REST APIs as the integration backbone and a DXP/CMS layer (Optimizely, Umbraco or equivalent) powering the content experience. You will own technical decisions, not just tickets: architecture, performance and delivery quality are part of the role from day one.

️ Responsibilities

- Design, develop and deploy full stack applications with .NET Framework / .NET Core, React and Next.js

- Build and maintain REST APIs, ensuring clean integration between front end and back end

- Deliver content driven solutions on Optimizely CMS or an equivalent DXP/CMS platform

- Design scalable system architectures and microservices based solutions with cross functional teams

- Optimize SQL and NoSQL databases for performance and scalability

- Streamline delivery with GitHub workflows and actions

- Guide technical implementation, drive architectural decisions and mentor more junior developers

✅ Requirements

- 3+ years as a C# .NET developer (.NET Framework and .NET Core)

- Hands on experience with React and Next.js (mandatory)

- Hands on experience with a DXP/CMS platform: Optimizely, Umbraco or equivalent

- Solid REST API knowledge and proven experience designing scalable architectures and microservices

- Proficiency in SQL and NoSQL databases, including optimization

- Familiarity with DevOps tooling, specifically GitHub workflows and actions

- Technical leadership: proven ability to guide teams, make architectural decisions and communicate clearly

- Engineering mindset: comfortable discussing performance, dependency management, problem solving and investigation

- Degree in Computer Science, Business Informatics or comparable

- English B2 or higher, spoken and written

Nice to have

- Azure or another major cloud platform

- ASP.NET Core / Web API

Why this project

- Hybrid — 2 days/week on-site in Lisbon.

- Freelance via Shakers.

- Long-term engagement, immediate start.

Interested? Apply or send a DM.

#dotnet #csharp #reactjs #nextjs #Shakers