Senior Full Stack Engineer - C# or VB.NET (457)

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’re looking for a 

 with experience in 

to help build scalable, secure, and high-performance SaaS applications. This role involves hands on development, implementation, troubleshooting and focus on architecture & design, planning  and AI-powered workflows.What You’ll Do- 5+ years of professional experience building web applications using C# or VB.NET, SQL, and JavaScript.- Experience working with stored procedures, relational databases, or performance-sensitive SQL.- Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related field (B.E., B.Tech, MCA, B.Sc), or equivalent practical work experience.Highly Preferred Qualifications:- Experience with jQuery, WebForms, or similar server-rendered architectures.- Strong knowledge of MS SQL Server, including indexing and query optimization.- Familiarity with AWS or other cloud environments (EC2, S3, SES, etc.).- Exposure to modern API technologies such as GraphQL.- Experience with coding agents or AI-assisted development workflows (e.g., MCP, GitHub Copilot, Claude Code).- Understanding of front-end fundamentals (HTML, CSS) in traditional web environments.Engineering Practices- Strong troubleshooting, debugging, and performance optimization skills.- Experience writing unit and integration tests.- Comfortable working in a Shift Left development environment.- Committed to delivering high-quality code with low defect rates.- Self-driven, takes ownership, and collaborates effectively across teams.- Clear and confident English communication skills (written and verbal).AI & Modern Development- Willingness to embrace AI-powered development tools (e.g., Copilot, Cursor, Claude Code).- Basic to intermediate understanding of AI concepts such as LLMs, MCP, RAG, etc.Perks @UbimindsWork 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.We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses.

These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.Apply for this job