Senior Software Engineer - .NET/React

Summary

Join Ubiminds, a GPTW-certified company, and work as a Senior Full Stack Software Engineer (.NET/React.js) on one of their Product Assessment teams. You will develop new features and maintain critical systems, facing meaningful technical challenges in a structured, cross-functional environment. This role requires strong proficiency in C# and React, experience with modern JavaScript/TypeScript, and a solid understanding of SOLID principles and Clean Code practices. You will collaborate with developers, testers, product owners, and other teams. Ubiminds offers a remote-first policy, a company MacBook, growth opportunities, English lessons, a referral bonus, and access to their Florianópolis headquarters with amenities.

Requirements

• Senior software development experience
• Strong proficiency in C# and React
• Experience with modern JavaScript/TypeScript
• Solid understanding of SOLID principles and Clean Code practices
• Deep knowledge of architectural patterns
• Hands-on experience with unit testing (bonus for synthetic or end-to-end testing)
• Strong analytical and debugging skills
• Willingness to mentor and support other developers
• Open-minded and diplomatic approach to problem-solving and collaboration
• Excellent written and verbal communication skills

Responsibilities

• Write efficient and readable code based on technical requirements
• Troubleshoot, debug, maintain, and improve existing software
• Test and deploy applications and programs
• Collaborate with developers, testers, product owners, and other teams
• Design and build front-end interfaces using React
• Contribute to architectural design and decision-making

Preferred Qualifications

• Experience working with third-party vendors
• Familiarity with AWS Step Functions
• Patience when working with end users
• Persistence when dealing with external vendors
• Self-motivation and the ability to thrive in a dynamic environment
• Adaptability to shifting requirements and priorities

Benefits

• 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