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

About Ubiminds

Ubiminds is a GPTW-certified, people-first company that collaborates with software product companies in the U.S. to expand their development capabilities. We recruit the top 5% of talent in Brazil to provide support for LATAM strategies through a blend of staff augmentation and employer-of-record services.

We are seeking a skilled professional in the .NET ecosystem for the role of Senior Full Stack Engineer. The ideal candidate will contribute to the development of scalable, secure, and high-performance SaaS applications. Responsibilities will include hands-on development, implementation, troubleshooting, architectural design, planning, and integration of AI-powered workflows.

Key Responsibilities

• Minimum 5 years of experience developing web applications using C# or VB.NET, SQL, and JavaScript.

• Proficiency in working with stored procedures, relational databases, and performance-focused SQL.

• Bachelor’s degree in Computer Science, Information Technology, Engineering, or relevant field, or equivalent practical experience.

Highly Preferred Qualifications

• Experience with jQuery, WebForms, or similar server-rendered architectures.

• Sound knowledge of MS SQL Server, including indexing and query optimization.

• Familiarity with AWS or other cloud platforms (e.g., EC2, S3, SES).

• Exposure to modern API technologies like GraphQL.

• Prior experience with AI-assisted development workflows (e.g., MCP, GitHub Copilot, Claude Code).

• Understanding of frontend fundamentals (HTML, CSS) in traditional web environments.

Engineering Practices

• Proficiency in troubleshooting, debugging, and performance optimization.

• Experience in writing unit and integration tests.

• Adaptability to a Shift Left development environment.

• Dedication to delivering high-quality, low-defect code.

• Self-motivated with strong collaboration abilities across teams.

• Proficient in clear and effective English communication (written and verbal).

AI & Modern Development

• Willingness to leverage AI-powered development tools (e.g., Copilot, Cursor, Claude Code).

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

Perks at Ubiminds

• Exposure to U.S.-based product teams.

• Remote-first culture with provided MacBook.

• Access to English lessons, tech talks, referral bonuses, and learning programs.

• Comprehensive back-office support including HR and career guidance services.

Apply now to become part of an international team crafting cloud-native, scalable solutions using modern engineering practices. Please note that we use artificial intelligence tools as part of our recruitment process, assisting our team but not replacing human judgment. For more details on data processing, feel free to reach out to us.