• Contribute to back-end changes in Rails that support front-end improvements

• Collaborate across teams (Support, Ops, QA) to validate and prioritize fixes based on real customer pain

• Improve legacy code for better performance, accessibility, and maintainability

• Design with an eye toward platform simplification and long-term subscription enablement

• Write reliable, testable, and well-documented code

• Use modern tools to streamline development and reduce repetitive work

Qualifications:

Required:

• 3+ years of experience as a full-stack or front-end-focused engineer

• Strong proficiency in JavaScript or TypeScript and frameworks like React

• Ability to build clean, responsive, and accessible front-end experiences

• Experience improving or modernizing legacy codebases

• Solid understanding of Ruby on Rails or similar MVC frameworks

• Good judgment about when to fix, refactor, or rebuild, with a pragmatic, user-focused mindset

• Openness to using modern tools, including AI, to improve workflow and code quality

• Ability to diagnose issues across the stack and isolate root causes

• Experience shaping product direction, not just executing delivery

• Interest in improving real-world outcomes through continuous product improvement

• Strong communication skills and a collaborative approach to cross-functional work

Preferred:

• Experience in Rails-based systems

• Familiarity with HEART or similar UX metrics

• Background working in sustainment, support engineering, or quality-focused teams

• Familiarity with browser performance tools, accessibility standards, and usability best practices

• Experience building internal tools, workflow automation, or cross-system integrations

Company:

Teachstone® was founded in 2008 to deliver the Classroom Assessment Scoring System® (CLASS®) nationwide and around the globe. Founded in 2008, the company is headquartered in Charlottesville, Virginia, USA, with a team of 51-200 employees. The company is currently Growth Stage.