Full Stack Software Engineer - Ruby on Rails, JavaScript RequiredWe are seeking a Full Stack Software Engineer with experience using Ruby on Rails, JavaScript to execute the full lifecycle of the product development, by programming well-designed, efficient, and testable code that meets specifications.Key ResponsibilitiesDesign, develop, and maintain scalable web applications using Ruby on RailsBuild modern, responsive front-end interfaces using frameworks such as React, Vue, or Next.jsDevelop RESTful and/or GraphQL APIsOptimize applications for performance, scalability, and securityWrite clean, maintainable, and well-tested codeCollaborate with product managers, designers, and other engineers to deliver high-quality featuresParticipate in code reviews and architectural discussionsImplement CI/CD pipelines and automated testingTroubleshoot and debug production issuesRequired Qualifications4+ years of professional full stack development experienceStrong expertise in Ruby on RailsProficiency in modern JavaScript (ES6+)Experience with at least one modern front-end framework: React (preferred), Vue, or AngularExperience designing and consuming RESTful APIsStrong understanding of relational databases (PostgreSQL preferred)Experience with Git and modern version control workflowsSolid understanding of object-oriented design and MVC architectureFamiliarity with Agile/Scrum methodologiesPreferred QualificationsExperience with TypeScriptExperience with Hotwire / Turbo / StimulusExperience with GraphQLFamiliarity with Docker and containerized environmentsExperience with cloud platforms (AWS, GCP, or Azure)Knowledge of Redis, Sidekiq, background jobsUnderstanding of microservices architectureExperience implementing automated testing (RSpec, Capybara, Jest)Tech StackBackend: Ruby on RailsFrontend: React / Vue / Next.jsDatabase: PostgreSQLCaching/Queues: Redis, SidekiqInfrastructure: AWS, DockerCI/CD: GitHub Actions / CircleCITesting: RSpec, Jest