Job Description

Info on the Senior Full Stack Engineer role
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 the top 5% of Brazilian tech talent for their LATAM strategy, offering a unique combo of staff augmentation and employer-of-record services. Ubiminds is supporting a US-based product organization modernizing a Management platform, focused on building shared core services to accelerate scalability, security, and consistency across the product suite.
Challenge
We’re looking for a Senior Full Stack Engineer with experience in NET ecosystem 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.
Mandatory Skills:

• 5+ years of professional experience building web applications using C#, SQL, and front-end frameworks (Angular, React, etc).

• 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 modernizing Web Forms 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 a strong focus on quality and reliability.

• 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.

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:
- 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
How our process works
1. Interview with Tech Recruiter (chat about the job opening and your experiences)
2. Technical Assessment
3. Client Interview
4. Offer (yay)