Full Stack Engineer

About Ubiminds

Ubiminds is a GPTW-certified, people-first company that partners with American software product companies to scale their development footprint. Ubi custom-curates Brazil’s top 5% talent to support LATAM strategies through a unique combination of staff augmentation and employer-of-record services.

We are assisting a U.S.-based company in expanding its engineering team with a highly skilled Full-Stack Engineer passionate about building scalable, performant, and maintainable systems using clean architecture and cloud-native practices.

What You’ll Do

• Break down large or complex problems into smaller parts, design clean solutions, and implement the core framework.

• Build and maintain RESTful APIs and backend services using C#, .NET Core, Entity Framework, and Web API.

• Apply software architecture patterns like Domain-Driven Design (DDD) and CQRS to build modular and scalable systems.

• Work directly with SQL Server—designing databases, writing stored procedures, optimizing queries, and tuning performance.

• Use Entity Framework (EF Core or EF6) for ORM and data access.

• Write clean, testable, and maintainable code with proper documentation.

• Take full ownership of testing your own code—unit, integration, and performance testing—as part of a Shift Left / No QA team setup.

• Collaborate with product managers and other teams to understand requirements and deliver customer-focused features.

• Use AI development tools (required)—including GitHub Copilot, Claude, or similar—to assist with code generation, refactoring, documentation, and development speed.

Cloud & AWS

Deploy and manage applications using AWS EC2, S3, Lambda, and related services.

Implement event-driven architectures with SNS/SQS.

Configure API Gateway, IAM, and monitoring via CloudWatch.

Ensure scalability, security, and cloud best practices.

What You Should Bring

• 5+ years of experience in enterprise or SaaS software development.

• Strong hands-on experience with:

C#, .NET Core, Web API

Entity Framework (EF Core or EF6)

Angular or other frontend frameworks.

SQL Server – writing queries, stored procedures, indexing, and performance tuning

• Solid understanding of object-oriented programming, design patterns, and enterprise architecture.

• Experience with DDD, CQRS, and clean layering of business logic and data access.

• Experience with AWS

• Familiarity with multi-threading, asynchronous programming, and system performance tuning.

• Experience with modern DevOps tooling, CI/CD pipelines, and Docker.

• Strong debugging and troubleshooting skills.

• Excellent communication skills (written and verbal) in English.

• Experience working across multiple teams or squads.

• Exposure to event-driven architecture or messaging patterns.

• Knowledge of Microservices Architecture.

• Required: Active daily use of AI development tools like GitHub Copilot, Claude, or similar in your workflow.

Perks @Ubiminds

Work with U.S.-based product teams.

Remote-first culture + MacBook provided.

English lessons, tech talks, referral bonus, and learning initiatives.

Full back-office support: HR, career guidance, and admin services.

👉 Apply now and join an international team building cloud-native, scalable solutions with modern engineering practices.