Principal Engineer (Ruby) - REMOTE
Primavera Online SchoolUnited States
Posted December 3, 2025
Full Time
About the Company
StrongMind is a company that believes in the power of education to transform lives. We're a team of innovators, thinkers, and doers who are passionate about creating a better future for all.
Job Description
We are looking for a Principal Engineer (Ruby) to own a core product area and lead multi-team, multi-product initiatives. The ideal candidate has expert professional software engineering experience, with a deep understanding of Ruby on Rails and experience designing and evolving complex systems. The role involves architectural guidance, system design, and hands-on coding, with a focus on delivering reliable, secure, and observable systems.
Requirements
- Expert professional software engineering experience
- Real products at scale with Ruby on Rails
- Mastery-level Ruby/Rails, including deep understanding of Rails internals and ecosystem
- Strong full-stack skills, including HTML/CSS/JavaScript and modern front-end framework
- Solid API and integration experience, including designing and evolving RESTful APIs
- Strong relational database skills: schema design, indexing, query optimization, and migrations at scale
- Proven experience designing and evolving complex systems (monolith, modular monolith, or service-oriented architectures) in production
- Experience with cloud and DevOps basics, including deploying and operating apps on AWS/GCP/Azure, CI/CD pipelines, and containerization (Docker)
- Excellent communication in a remote environment: clear writing, clear trade-offs
- Demonstrated ability to mentor other engineers and influence across multiple teams
Benefits
- Wellness, Your Way
- Unplug for the Holidays
- Culture That Celebrates You
- Open, Honest & Human
- Vibes & Good Times
- Solid Benefits, Real Support
- Your Voice Matters
