Technical Lead - Ruby on Rails & React

We are onboarding a Senior Technical Leader with strong enterprise experience to elevate engineering quality across our React and Ruby on Rails ecosystem. This is not a single-project role —you will function as a Quality Architect , driving consistency, scalability, and best practices across multiple codebases while mentoring developers and setting technical direction. In addition to architectural oversight, you will remain hands-on, contributing to the design, development, testing, and deployment of modern, scalable web applications within a fully remote team. Key Responsibilities Act as a Quality Architect across all React and Ruby on Rails projects, auditing codebases and enforcing engineering standards Lead by example through hands-on development using Ruby on Rails (latest version) and modern frontend practices Mentor and guide developers through code reviews, architecture discussions, and best-practice adoption Design, build, and maintain scalable web applications in a Dockerized environment Ensure high code quality through comprehensive test coverage using Capybara, Selenium, and Minitest Collaborate with cross-functional teams in a monthly sprint cadence , managed via Notion Oversee version control, branching strategies, and pull-request workflows on GitHub Contribute to system architecture, performance tuning, and security best practices Leverage cloud services such as AWS (S3, SQS, CloudWatch) Troubleshoot, debug, refactor, and modernize existing systems Support integrations with third-party services, including OpenAI where applicable Technical Environment Ruby o