[Hiring] Senior Full Stack Engineer @Ubiminds

Role Description

Ready to take the next step in your international career? We can support you! In this role, we are seeking an experienced Senior Fullstack Developer who thrives on solving complex technical challenges, building resilient backend systems, and crafting responsive web applications. You will play a key part in designing, scaling, and maintaining core platform capabilities and web interfaces used by millions of learners and institutions worldwide.

In this role, you will have the opportunity to do meaningful work in your career, elevating your craft while contributing to a team that values lifelong learning, technical ownership, and continuous improvement.

• Design, build, and support high-scale backend services and user interfaces across the product ecosystem.
• Lead multi-sprint technical initiatives and produce clear technical specifications.
• Write high-quality code in C# and JavaScript/TypeScript.
• Leverage AWS infrastructure to ensure platform stability.
• Mentor team members and collaborate with product and support teams.
• Contribute to initiatives that advance core values and elevate engineering standards.

Qualifications

• Advanced English level is a must!
• Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent practical industry experience.
• 4+ years of professional software engineering experience delivering complex, customer-facing applications in a production environment.
• Demonstrated proficiency in C# (or strong Java experience with a proven ability to transition to C#) and object-oriented design principles.
• Proficiency in JavaScript and modern variants/frameworks (TypeScript, Node.js, React).
• Solid working knowledge of Amazon Web Services (AWS) core services (e.g., EC2, S3, Lambda, DynamoDB, CloudWatch).
• Strong foundational knowledge of data structures, algorithms, asynchronous programming, distributed systems, and relational databases.
• Clear, concise written and verbal technical communication skills.

Requirements

• Experience with modern frontend frameworks (e.g., React) and building single-page applications.
• Hands-on experience developing and maintaining public or enterprise RESTful APIs and microservices.
• Background working in a high-scale SaaS or cloud platform environment.
• Familiarity with educational software ecosystems, Learning Management Systems (LMS), or enterprise integration standards (SAML, OAuth2, LTI).

Benefits

• 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).
• 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.
• Candidate Referral bonus (promote Ubi to your tech friends, and get paid for it!)
• Access to our cool Florianópolis headquarters, with weekly quick massages & tasty snacks, soft drinks, and games.