Full-Stack Engineer .NET Core/ Angular (519 )

Remote · Full-time

Ubiminds is a GPTW-certified, people-first company that partners with American software product companies to scale their development teams. We connect Brazil’s top 5% talent with innovative U.S. companies through a unique combination of staff augmentation and employer-of-record services.

We are supporting a U.S.-based company looking for a highly skilled Full-Stack Engineer with strong expertise in Angular and ASP.NET Core to help build scalable, performant, and maintainable software systems using clean architecture principles.

We’re looking for a Full-Stack Engineer who enjoys working across the entire application stack — from building modern, responsive user interfaces to designing robust backend APIs and scalable enterprise solutions.

This role is ideal for someone passionate about clean code, modern engineering practices, and high-quality software delivery in collaborative agile environments.

You’ll contribute to the evolution of modern applications using Angular, .NET Core, automated testing, and DevOps practices, while helping shape scalable and maintainable architectures.

• Develop and maintain responsive, modular, and high-quality Angular applications.
• Implement UI components using TypeScript, HTML5, CSS/LESS/SCSS, and RxJS reactive patterns.
• Manage application state using NgRx or similar state management libraries.
• Write robust unit tests using Jest to ensure code quality and maintainability.
• Optimize applications for speed, accessibility, and cross-browser compatibility.

• Design and implement scalable and secure ASP.NET Core Web APIs.
• Write clean and maintainable C# code following SOLID principles and clean architecture practices.
• Build unit and integration tests using xUnit.
• Develop efficient data-access layers using EF Core.
• Collaborate on API architecture, versioning, and documentation.

• Design relational database schemas and write optimized SQL for SQL Server.
• Perform data modeling to support complex business domains.
• Optimize queries and ensure application-level data integrity.

• Containerize applications using Docker.
• Build and maintain CI/CD pipelines for automated deployments.
• Use Git and collaborative branching strategies.
• Work closely with DevOps teams to ensure reliable delivery and infrastructure stability.

• Proven experience with Angular (v18+ preferred) and TypeScript.
• Strong understanding of RxJS, Observables, and reactive design patterns.
• Hands-on experience with NgRx or similar state management libraries.
• Expertise in ASP.NET Core Web API and RESTful service design.
• Strong command of C#, the .NET ecosystem, and architecture best practices.
• Solid experience with SQL databases and query optimization.
• Experience with modern DevOps tooling, CI/CD pipelines, and Docker.
• Proficiency with automated testing frameworks such as Jest and xUnit.
• Ability to write clean, maintainable, testable, and well-documented code.
• Strong problem-solving skills and ability to work in agile, collaborative environments.
• Strong English communication skills (C1 level – written and verbal).

• Experience with Domain-Driven Design (DDD).
• Knowledge of microservices architecture.

• Collaborative and agile engineering culture.
• Strong focus on code quality, scalability, and maintainability.
• Opportunity to work with modern frontend and backend technologies.
• Environment that encourages continuous improvement and technical growth.