6913 Senior Fullstack – .NET Core / React.js

We are looking for a Senior Full Stack Engineer with strong hands-on experience in .NET Core, C#, React.js, and SQL Server to join a team developing and maintaining scalable enterprise applications. This position requires a strong technical background across backend and frontend development, as well as the ability to communicate effectively with US-based clients and cross-functional teams .

What you'll do

Design, develop, and maintain scalable backend services using .NET Core, C#, MVC, and Web API . Build clean, reusable, and high-quality frontend components using React.js and Redux . Develop and maintain unit, integration, and functional tests. Write and optimize complex SQL Server queries and stored procedures . Collaborate directly with US-based clients and technical teams to understand requirements and deliver solutions.

Debug, refactor, and optimize existing applications. Participate throughout the complete Software Development Life Cycle (SDLC) . Create and maintain technical documentation. Provide production and post-implementation support when required. Participate actively in Agile/Scrum ceremonies . Collaborate with architects and technical leads to ensure alignment with architectural standards and best practices.

Requisitos Must-have requirements 6+ years of professional software development experience , ideally in Full Stack roles. Strong hands-on experience with .NET Core and C# . Strong experience developing RESTful services using Web API . Solid professional experience with React.js . Experience with Redux, JavaScript, HTML, and CSS .

Strong SQL Server knowledge, including complex queries and stored procedures. Experience with Git and version control workflows . Experience working with Agile/Scrum methodologies . Understanding of enterprise software development and release processes. Strong problem-solving and debugging skills. Ability to work independently and manage multiple priorities.

Advanced English (B2+/C1) , with the ability to communicate effectively with US-based clients and stakeholders. ⭐ Nice to have Experience with Microsoft Azure , particularly Azure Functions, Service Bus, or Blob Storage. Experience with CI/CD pipelines and DevOps practices . Experience with testing frameworks such as xUnit, NUnit, Jest, or Karma .

Previous experience in client-facing roles with US-based companies or clients .