Staff Backend Engineer - Rust - Ubiminds

Staff Backend Engineer – Rust / Ruby

Remote · Full-time

About Ubiminds

Ubiminds is a GPTW-certified, people-first company that partners with American software product companies to scale their development teams. We connect Brazil’s top 5% talent with innovative U.S. companies through a unique combination of staff augmentation and employer-of-record services.

We are supporting a U.S.-based healthcare technology company that is building and expanding a healthcare data platform and member management solution used by health insurance carriers and technology partners.

Challenge

We’re looking for a Staff Backend Engineer who combines deep technical expertise with strong ownership and leadership skills.

This role is ideal for someone who enjoys tackling complex and unstructured problems, designing scalable backend systems, and influencing both technical direction and engineering culture. You'll help build the next generation of healthcare infrastructure while contributing to AI-powered initiatives and mentoring other engineers.

As a senior technical contributor, you'll have significant autonomy and the opportunity to shape architecture, engineering standards, and product evolution.

What You'll Do

Build and expand a large-scale healthcare data platform and member management solution.

Design, develop, and maintain high-performance backend services and APIs.

Partner closely with Product and Engineering teams to deliver scalable solutions.

Take ownership of projects from concept through deployment and ongoing operation.

Contribute to AI-powered initiatives and help design and launch AI-driven products and features.

Scale infrastructure that connects healthcare insurance carriers and technology partners.

Improve engineering standards, development practices, and technical processes.

Mentor junior and mid-level engineers through technical guidance and code reviews.

Participate in architecture discussions and long-term technical planning.

Write clean, maintainable, well-tested, and production-ready code.

Required Skills & Qualifications

8+ years of professional software engineering experience.

Strong hands-on experience with Rust in production environments.

Experience designing, building, and maintaining APIs.

Proven experience building and launching AI-powered products or projects.

Strong understanding of software architecture and backend system design.

Passion for software craftsmanship and high-quality engineering practices.

Ability to take ownership of complex, unstructured problems and drive solutions independently.

Experience working in highly collaborative engineering teams.

Strong communication skills with an emphasis on transparency and positive collaboration.

English proficiency at C1 (wri