Remote Senior Full Stack Software Engineer - .NET & Angular

About the Role

We are looking for a Remote Senior Full Stack Software Engineer to join our dynamic team at Ubiminds. In this role, you will be instrumental in designing, building, and delivering high-quality, scalable enterprise SaaS applications. If you are passionate about solving complex problems and writing clean code, this opportunity is perfect for you!

What You'll Do

• 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 create modular, maintainable systems.
• Work hands-on with SQL Server, including database design, stored procedures, indexing, query optimization, and performance tuning.
• Utilize Entity Framework (EF Core or EF6) for ORM and efficient data access.
• Write clean, testable, maintainable code with proper documentation.
• Take full ownership of testing (unit, integration, performance) as part of a Shift Left / No QA engineering culture.
• Participate in architectural decisions, code reviews, and continuous improvement initiatives.

Requirements

• 5+ years of experience in enterprise or SaaS software development.
• Strong hands-on experience with C#, .NET Core, Web API, and Entity Framework (EF Core or EF6).
• Solid understanding of OOP, software design patterns, and enterprise architecture.
• Experience with DDD, CQRS, and clean separation of business logic/data layers.
• Knowledge of multithreading, async/await, and system performance tuning.
• Strong Git skills and familiarity with CI/CD pipelines and Agile environments.
• Excellent debugging and troubleshooting skills.
• Strong communication skills in English (written and verbal).
• Experience collaborating with multiple squads/teams.
• Active daily use of AI coding tools (Copilot, Claude, etc.).

Nice to Have

• Experience building AI-powered features (smart forms, intelligent search, NLP, etc.).
• Experience in Shift Left / Full Ownership environments—from design to deployment.
• Exposure to event-driven architecture or messaging patterns (Kafka, RabbitMQ, etc.).
• Familiarity with Angular or another modern frontend framework.

What We Offer

• Remote-first policy with full back-office support, including career guidance and HR services.
• Access to growth opportunities through tech talks, chapter meetings, and remote happy hours.
• Free English lessons with a native speaker to enhance your communication skills.
• Candidate referral bonus for promoting Ubiminds to your tech friends.
• Access to our Florianópolis headquarters with amenities like weekly massages, snacks, and games.