Senior Full Stack Engineer (.NET + Angular) - (423)

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. Ubi 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 transforming the way organizations discover, engage, and hire the best talent. Connecting companies and candidates anytime, anywhere, end-to-end hiring platform features video interviewing, assessments, and conversational AI. As an industry leader in science-backed, modern hiring solutions powered by ethical AI, they have hosted more than 70 million video interviews and 200 million chat-based candidate engagements for over 1,200 pioneering customers around the globe.

Apply now! This is a unique opportunity for you to not only accelerate your international career but also work in a groundbreaking company.

Challenge

We are assisting a U.S.-based SaaS company in expanding its engineering team with an experienced Senior Full Stack Engineer focused on building scalable, secure, and high-performance applications using modern architectures and AI-powered workflows.

What You’ll DoBuild and enhance scalable SaaS applications using .NET and Angular.

Implement high-performance backend services with C#, .NET, Entity Framework, and SQL databases.

Develop modern and responsive front-end interfaces (preferably in Angular 16+).

Adopt Shift Left practices, writing unit/integration tests and ensuring high-quality code from the start.

Troubleshoot, debug, and optimize both backend and frontend systems.

Collaborate cross-functionally with engineering, product, and leadership teams.

Required Skills & Experience

Experience 5+ years of hands-on experience in SaaS or enterprise application development.

Backend

Strong proficiency in C# and the .NET ecosystem.

Solid experience with Entity Framework.

Deep understanding of relational databases, query optimization, and performance tuning (SQL Server / Postgres).

Frontend

Angular 16+ strongly preferred (other modern frameworks acceptable).

Engineering Practices:

Strong troubleshooting, debugging, and performance optimization skills.

Experience writing unit and integration tests.

Comfortable in a Shift Left development culture.

High commitment to delivering low-defect, high-quality code.

Self-driven, takes ownership, and collaborates effectively across teams.

Clear and confident English communication skills (written and verbal — C1 recommended).

AI & Modern Development

Willingness to work with AI-assisted tools (Copilot, Cursor, Claude Code, etc.).

Basic–intermediate understanding of AI concepts such as LLMs, MCP, RAG, etc.

Bonus Points

Experience implementing DDD, CQRS, or event-driven architectures in production.

Hands-on experience with monitoring and observability tools (CloudWatch, Datadog, New Relic).

Prior experience leading end-to-end delivery in a Shift Left environment with limited QA resources.

Experience with GraphQL.

Experience with AWS (preferred) or other major cloud providers.

Perks @Ubiminds

Work directly with U.S. product engineering teams.

Remote-first culture + MacBook provided.

English lessons, referral bonuses, tech talks, and continuous learning.

Full back-office support: HR, career development, and administrative assistance.

Apply now and elevate your international career while building cutting-edge, AI-powered SaaS products!