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 roleyou 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 on Rails (latest version)

- PostgreSQL

- React, StimulusJS

- Docker (local and deployment workflows)

- Capybara, Selenium, Minitest

- AWS (S3, SQS, CloudWatch)

- GitHub

Requirements :

- 6+ years of professional experience in Ruby on Rails development

- Proven experience in a senior or technical leadership role (Tech Lead, Architect, or equivalent)

- Strong understanding of web application architecture, scalability, and performance optimization

- Hands-on experience with React and modern frontend development

- Advanced knowledge of PostgreSQL and backend system design

- Proficiency in Dockerized development environments

- Strong experience writing and maintaining automated test suites

- Familiarity with HTML, JavaScript, StimulusJS, and ERB