Senior Full Stack Engineer

Remote – LATAM / Full-time / Remote

Info on the Senior Full Stack Engineer role

Ready to take 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 global teams. We connect top LATAM talent with international product companies while providing full employer-of-record support and long-term career development.

In this opportunity, you will join an engineering team responsible for developing and evolving enterprise SaaS applications, working across the full stack to build secure, scalable, and high-performance solutions. You'll collaborate with experienced engineers while embracing modern engineering practices and AI-assisted development to accelerate software delivery.

Challenge

We are looking for a Senior Full Stack Engineer who enjoys solving complex technical challenges, building high-quality software, and contributing to architectural decisions.

This is a hands-on role where you'll develop new features, troubleshoot production issues, optimize application performance, and help modernize existing systems. You'll also leverage AI-powered development tools to improve engineering productivity while working in a shift-left environment focused on quality, automation, and continuous improvement.

Responsibilities:

• Design, develop, and maintain scalable SaaS applications using the .NET ecosystem.
• Develop backend services using C# or VB.NET and build modern web application features.
• Write efficient SQL queries, stored procedures, and optimize database performance.
• Troubleshoot production issues and perform root cause analysis.
• Participate in architecture discussions, technical planning, and solution design.
• Develop secure, maintainable, and high-quality code following engineering best practices.
• Create and maintain unit and integration tests to support a shift-left development approach.
• Collaborate with cross-functional teams throughout the software development lifecycle.
• Leverage AI-assisted development tools such as GitHub Copilot, Cursor, and Claude Code to improve delivery speed and code quality.
• Contribute to continuous improvements in engineering processes, performance, and maintainability.

Mandatory Skills:

• 5+ years of professional software engineering experience.
• Strong experience with C# or VB.NET.
• Solid experience building web applications.
• Strong SQL skills, including stored procedures, relational databases, and query optimization.
• Experience troubleshooting and optimizing application performance.
• Experience writing unit and integration tests.
• Comfortable working in a Shift Left development environment.
• Strong understanding of software architecture and application design principles.
• Experience working collaboratively within Agile engineering teams.
• Willingness to adopt AI-powered development tools such as GitHub Copilot, Cursor, or Claude Code.
• Basic understanding of LLMs, MCP, RAG, and modern AI development concepts.
• Bachelor's degree in Computer Science, Engineering, Information Technology, or equivalent practical experience.
• Strong English communication skills.

Nice to Have:

• Experience with jQuery, WebForms, or other server-rendered architectures.
• Advanced knowledge of Microsoft SQL Server, including indexing and performance tuning.
• Experience with AWS services such as EC2, S3, or SES.
• Familiarity with GraphQL.
• Experience with coding agents or AI-assisted engineering workflows.
• Solid understanding of HTML and CSS in traditional web applications.

Team & Environment:

• Product-focused engineering team building enterprise SaaS applications.
• Collaborative environment with opportunities to contribute to architecture and technical planning.
• Engineering culture focused on ownership, quality, and continuous improvement.
• Strong emphasis on AI-first development practices and modern software engineering.
• Opportunity to work across the full software development lifecycle with high technical impact.

About Ubiminds

Our Culture

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.

Perks and Benefits

As a Senior Full Stack Engineer @Ubiminds, 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.
• Get your own MacBook.
• Have access to growth opportunities through tech talks, chapter meetings, and remote happy hours.
• Improve your English through free lessons with native English speakers.
• Participate in our Candidate Referral Program.
• Optionally use our Florianópolis office with snacks, games, and weekly massages.

How our process works

1. Interview with Tech Recruiter (chat about the role and your experience)
2. Client process (may vary)
3. Offer 🎉

AI Disclaimer

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.