syffer
Mid .Net Developer
syfferPortugal2 days ago
Full-timeRemote FriendlyEngineering, Information Technology
Syffer is an all-inclusive consulting company focused on talent, tech and innovation. We exist to elevate companies and humans all around the world, making change, from the inside to the outside.

We believe that technology + human kindness positively impacts every community around the world. Our approach is simple, we see a world without borders, and believe in equal opportunities. We are guided by our core principles of spreading positivity, good energy and promote equality and care for others.

Our hiring process is unique! People are selected by their value, education, talent and personality. We dont present ethnicity, religion, national origin, age, gender, sexual orientation or identity.

Its time to burst the bubble, and we will do it together!

What You'll do:

  • Develop and maintain .NET 6+ APIs following Clean Architecture and DDD;
  • Implement EF Core models, migrations, and data access patterns;
  • Build RESTful endpoints with proper versioning, documentation, and security;
  • Configure Hangfire jobs for background processing;
  • Integrate with external APIs and manage infrastructure components;
  • Write unit and integration tests to ensure code quality;
  • Perform basic frontend implementations using React and TypeScript;
  • Hybrid Work Model;


What You Are:

  • 3+ years of experience with .NET (C#) and ASP.NET Core Web API;
  • Strong knowledge of Clean Architecture, DDD, and SOLID principles;
  • Proficiency with Entity Framework Core and SQL Server;
  • Experience with Azure DevOps and Git;
  • Ability to write testable code and automated tests;
  • Experience with Swagger/OpenAPI and REST API design;
  • Basic familiarity with React and TypeScript (nice to have);
  • Fluent in Portuguese;


What youll get:

  • Wage according to candidate's professional experience;
  • Remote Work whenever possible;
  • Allocation of health insurance from the beginning of the employment;
  • Delivery of work equipment adjusted to the performance of functions;
  • And others.


Work together with expert teams on projects of large magnitude and intensity, long term together with our clients, all leaders in their industries.

Are you ready to step into a diverse and inclusive world with us?

Together we will promote uniquess!

Key Skills

Ranked by relevance