Senior Full Stack Developer, React, C#/.NET

Tec2Cloud

Senior Full Stack Developer for corporate web applications using React, C# and .NET. Responsibilities include development, testing, and deployment within a collaborative team environment.

Posted 7/23/2026full-timeRemote • 🇧🇷 BrazilSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing web applications using React, TypeScript, C#, and .NET, with a strong focus on building responsive user interfaces and maintaining REST APIs. Proficient in CI/CD practices and technical support, ensuring high-quality code through testing and code reviews.

Highest-signal resume keywords

React.js DevelopmentTypeScript ProficiencyC# and .NET ExperienceREST API DevelopmentCI/CD Pipeline Management

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

React.jsTypeScriptC#.NETASP.NET CoreEntity Framework CoreSQL ServerOAuth 2.0OpenID ConnectJWT

Soft Skills

Technical SupportCode ReviewCollaboration

Tools & Technologies

Azure DevOpsGitVitestReact Testing LibraryXUnit

Industry Keywords

MicroservicesSystem IntegrationSOLID PrinciplesClean CodeClean Architecture

Tech Stack

Tools & technologies

ASP.NETAzureEntity FrameworkJavaScript.NETReactSQLTypeScript

About the role

Key responsibilities & impact

Develop web applications using React, TypeScript, C# and .NET
Build responsive, accessible and reusable user interfaces
Develop and maintain REST APIs with ASP.NET Core Web API
Integrate applications with APIs, microservices, databases and external systems
Participate in technical refinements and solution design
Create unit and integration tests
Perform code reviews and contribute to the team's technical standards
Create and maintain CI/CD pipelines in Azure DevOps
Investigate incidents and performance issues
Provide technical support to other team members

Requirements

What you’ll need

Strong experience with React.js and TypeScript
Knowledge of Hooks, Context API, React Router and TanStack Query
Experience with HTML, CSS and JavaScript
Strong experience with C# and modern .NET
Development of REST APIs with ASP.NET Core
Experience with Entity Framework Core and SQL Server or Azure SQL
Knowledge of microservices and system integrations
Experience with authentication and authorization using OAuth 2.0, OpenID Connect and JWT
Familiarity with SOLID principles, Clean Code and Clean Architecture or Hexagonal Architecture
Experience with testing using Vitest, React Testing Library and xUnit
Knowledge of Git, Pull Requests and Code Review
Advanced English
Fluent or native Portuguese

Benefits

Comp & perks

5 days of scheduled leave
Partnership with Movida (car rental)
Referral program