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 effectivey with

US-based clients and cross-functional teams .

- What you'll do

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 effectivey 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, Java Script, 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 Dev Ops practices .

Experience with testing frameworks such as

xUnit, NUnit, Jest, or Karma .

Previous experience in

client-facing roles with US-based companies or clients .

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📌 6913 Senior Fullstack – .NET Core / React.js (Buenos Aires)
🏢 Softgic
📍 Buenos Aires