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