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Senior Full Stack Rails Developer

ProTrainings
Full-time
Remote
United States

Overview

At ProTrainings, we work to continually improve our customer's experience in a Product Led culture. Our Full Stack Developers are key players in building and maintaining our innovative training platform, working at the intersection of traditional web development and emerging AI technologies. They work closely with product and design teams to experiment and deliver software that drives our business forward, while thoughtfully incorporating AI to enhance both our development process and learning outcomes.

The role involves building robust web applications using Ruby on Rails, leveraging modern Rails features like Hotwire (Turbo and Stimulus), alongside HTML5, JavaScript, and Tailwind CSS. You'll also work on integrating and developing AI-powered features to personalize learning experiences and automate administrative tasks. Day-to-day responsibilities include implementing feature requests, resolving bugs, and contributing to both team and independent efforts across the entire application stack.

Our Full Stack Developers stay current with technology trends through reading books, attending conferences, listening to podcasts, and experimenting with new technologies, particularly in the Rails ecosystem.

Key Responsibilities

  • Design, develop, and maintain full-stack features using Ruby on Rails, ensuring they are efficient, scalable, and maintainable across both front and back end
  • Architect and implement AI-enhanced learning features, database schemas, APIs, and business logic while maintaining clean, testable code
  • Build responsive, accessible front-end interfaces using modern Rails techniques like Hotwire and Turbo
  • Optimize application performance through database tuning, caching strategies, and front-end optimizations
  • Mentor, collaborate, and support teammates and contractors as necessary
  • Lead technical discussions and contribute to architectural decisions that shape our platform's future


Key Skills

  • Strong proficiency in Ruby on Rails, including modern features like Hotwire, Turbo, and Stimulus
  • Solid understanding of relational databases, SQL optimization, and ActiveRecord
  • Experience with modern JavaScript (ES6+), CSS, and Tailwind CSS
  • Familiarity with background job processing, caching strategies, and API design
  • Knowledge of testing practices (RSpec, Capybara, etc.) and CI/CD pipelines
  • Strong system design and architectural planning capabilities
  • Effective communication within and between teams
  • Analytical, critical thinking and an attention to detail


Preferred Experience

  • 4+ years developing and deploying full-stack web applications
  • 3+ years working with Ruby on Rails in a production environment
  • Experience with e-commerce platforms (B2B and B2C)
  • Background in educational technology or online learning platforms
  • Understanding of SaaS architecture patterns and best practices
  • Experience with K8, Digital Ocean, or similar cloud infrastructure


Benefits

  • Medical + Dental + Vision + Disability + Life Insurance 
  • 15 Paid Holidays +  Flexible PTO +  Sick Days + Parental Leave
  • Profit Sharing
  • Privately held, bootstrapped, calm company 


About ProTrainings

ProTrainings is a purpose-driven small business dedicated to making life-saving training accessible and engaging. Since 2004, we've helped over 3 million people get certified in CPR, First Aid, and other critical safety skills. As a calm company, we believe in sustainable growth and work-life harmony. Our remote team of under 30 people works across the US, united by our mission to help people save lives through effective, accessible training solutions.