Desenvolvedor Front End Junior jobs in Brazil

Full Stack Software Engineer – .NET / Angular

Want to get to the next step in your international career? We can support you!

Ubiminds is a GPTW-certified, people-first company that partners with American software product companies to scale their development footprint. Ubiminds custom-curates Brazilian top 5% talent for their LATAM strategy, offering a unique combo of staff augmentation and employer-of-record services.

Ubiminds is assisting a company that is building an exciting new product suite for Public Safety.

We’re looking for a hands‑on Senior .NET Engineer to help design, build, and deliver high‑quality, scalable enterprise SaaS applications. If you love solving complex problems, writing clean code, and owning features end‑to‑end (including tests 👀), this one is for you.

• 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 structure modular, maintainable systems.
• Work hands‑on with SQL Server: database design, stored procedures, indexing, query optimization, and performance tuning.
• Use 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.

• 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).
• SQL Server (queries, stored procedures, indexing, tuning).
• 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.
• Required: Active daily use of AI coding tools (Copilot, Claude, etc.).

• 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.

• Collaborative environment working closely with PMs, QA, and designers.
• Engineers are fully responsible for testing and code quality (shift‑left development culture).
• Balanced workload of new feature development and ongoing system maintenance.
• Encourages ownership, accountability, and continuous improvement.

People First.We are all about people!

Challenge yourself.There’s always room for improvement and continuous improvement is in our essence.

Make it happen.Be ready to take challenges as they come. It’s all about attitude and commitment.

We’re in this together.We work as a team, thrive as a team, and evolve as a team.

Averaging on awesome.We work hard to deliver high‑quality services and look forward to exceeding expectations.

Keep it real.We promise you honesty, transparency, and openness, regardless of the situation.

As a Full Stack Engineer – .NET / Angular @Ubiminds, you:

• You are placed in a product‑based company, with the same treatment as their full‑time employees.
• Have our full back‑office support, from career guidance to HR and concierge services.
• Enjoy our remote‑first policy – we are a distributed team, after all.
• Get your own MacBook (none of that “bring your own device” stuff here).
• Have access to growth opportunities with other amazing technology professionals, through tech talks, chapter meetings, and even remote happy hours for tons of fun!
• Improve your English through free lessons with a native English speaker - get to the next level on your communication skills!
• Candidate Referral bonus (promote Ubi to your tech friends, and get paid for it!)
• Miss working in the office? Our cool Florianópolis headquarters is available, whenever you want, with weekly quick massages & tasty snacks, soft drinks, and games.

1. Interview with Tech Recruiter (chat about the job opening and your experiences)
2. Client process (this may vary)
3. Offer (yay)