Senior Fullstack Developer

Aevium

Senior Fullstack Developer at Aevium, developing scalable web applications and APIs. Collaborating with agile multidisciplinary teams and ensuring code quality with testing and best practices.

Posted 7/31/2026full-timeSão Paulo • 🇧🇷 BrazilSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing scalable web applications using .NET and React.js, with a strong focus on RESTful API design and implementation. Proficient in agile methodologies and committed to code quality through best practices and mentorship.

Highest-signal resume keywords

C#.NET / .NET CoreReact.js with TypeScriptEntity Framework CoreAgile Methodologies

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

RESTful API DesignASP.NET Web APIUnit TestingIntegration TestingSOLID PrinciplesClean ArchitectureDesign PatternsAuthentication/AuthorizationHTMLCSS

Soft Skills

CollaborationMentorshipProblem-SolvingAutonomy

Tools & Technologies

DockerSQL ServerAzureAWSGCP

Industry Keywords

Agile EnvironmentCross-Functional TeamsResponsive LayoutsState ManagementHooks

Tech Stack

Tools & technologies

ASP.NETAWSAzureCloudDockerEntity FrameworkGoogle Cloud PlatformJavaScript.NETReactReduxSQLTypeScript

About the role

Key responsibilities & impact

Develop, enhance, and maintain scalable, high-performance web applications
Design, document, and maintain RESTful APIs using .NET
Build modern, responsive user interfaces with React and TypeScript
Participate in architecture definition and solution design
Ensure code quality through testing, code reviews, and development best practices
Identify and resolve complex technical issues
Collaborate with cross-functional teams in an agile environment
Provide technical support and mentorship to less-experienced developers, sharing knowledge and promoting continuous improvement

Requirements

What you’ll need

Proven experience as a Senior Fullstack Developer
Back-end: C#, .NET / .NET Core, ASP.NET Web API
Designing and maintaining REST APIs
Entity Framework Core and SQL Server
Best practices: SOLID, Clean Architecture, Design Patterns
Authentication/authorization (JWT, OAuth)
Front-end: React.js with TypeScript
Hooks, state management (Context, Redux or similar)
HTML, CSS, responsive layouts
Unit and integration testing
Agile methodologies (Scrum/Kanban)
Experience with Docker and cloud platforms (Azure/AWS/GCP)
Ability to work autonomously and provide technical support to the team

Benefits

Comp & perks

20 days of paid scheduled leave per year to rest, travel, or enjoy important moments with peace of mind
TotalPass access to gyms, nutritionists, and psychologists to support your physical and mental well-being