Software Engineer, .NET

Valid

Software Engineer at Valid focusing on developing secure identification solutions. Involved in building REST APIs and scalable architectures using .NET and React.

Posted 7/10/2026full-timeRemote • 🇧🇷 BrazilMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Proficient in developing and maintaining REST APIs and Windows Services using .NET 8.0 and .NET Framework 4.8, with a strong understanding of scalable architectures and SOLID design principles. Experienced in user interface development with React JS, JavaScript, HTML5, and CSS3, and knowledgeable in authentication integration methods.

Highest-signal resume keywords

C#.NET 8.0REST API DevelopmentReact JSRelational Databases

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

C#.NET 8.0.NET Framework 4.8REST API DevelopmentWindows ServicesJavaScriptHTML5CSS3React JSNoSQL Databases

Tools & Technologies

OAuthOpenIDJWTRabbitMQPub/Sub

Industry Keywords

SOLID Design PrinciplesSoftware Design PatternsArtificial Intelligence

Tech Stack

Tools & technologies

JavaScript.NETNoSQLRabbitMQReact

About the role

Key responsibilities & impact

Assist in the development and maintenance of REST APIs, Windows Services, and Workers using .NET 8.0 and .NET Framework 4.8;
Participate in the implementation of solutions based on SOLID design principles and scalable architectures;
Collaborate with the team in working with relational and NoSQL databases;
Contribute to the development of user interfaces using React JS, JavaScript, HTML5, and CSS3;
Support authentication integration using OAuth, OpenID, and JWT.

Requirements

What you’ll need

Knowledge of C#, .NET 8.0, and .NET Framework 4.8;
Familiarity with developing REST APIs, Windows Services, and Workers;
Understanding of relational and NoSQL databases;
Basic knowledge of ORMs and messaging systems (RabbitMQ, Pub/Sub);
Knowledge of JavaScript, HTML5, CSS3, and React JS.
Nice-to-haves:
Knowledge of software design patterns;
Experience developing software leveraging Artificial Intelligence.

Benefits

Comp & perks

Health insurance (medical)
Dental plan
iFood benefits
Wellhub
Transportation allowance
Childcare allowance
Profit sharing (PLR)
Life insurance
Hybrid work model
Day off