Senior Full-Stack Engineer (Ruby on Rails & ReactJS) at Checkmate | Torre

Senior Full-Stack Engineer (Ruby on Rails & ReactJS)

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Full-time

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2 days ago

Responsibilities


Checkmate is recruiting for a Senior Full Stack Engineer to join our Engineering team helping to engineer, operate, and grow our unique web-based restaurant-tech SaaS platform using AI technologies.In this role you will partner closely with our Product team and other Engineering team members to drive innovative new features, software improvements, and architectural agility supporting our product roadmap within our product-led Engineering organization that services both internal and external customers.On the Checkmate Engineering Team you’ll have the opportunity to use cutting edge technologies in an AI-led SDLC environment to lead initiatives that grow, modernize, and scale core parts of our product platform. You’ll own features end-to-end, drive architectural improvements, and help elevate the technical bar across the team.Essential Job FunctionsFull Stack Development:Collaborate with Product, Design, and Engineering teams to design, build, test, deploy, and maintain scalable web applicationsLeverage AI coding agents to accelerate product development and defect resolutionDevelop and maintain RESTful and/or GraphQL APIsDevelop asynchronous application processing using tools like SidekiqBuild and maintain responsive, high-performance React.js interfaces and reusable componentsWrite and optimize SQL queries across PostgreSQL/MySQL databasesArchitecture and Design:Improve application reliability, scalability, and long-term maintainability of large enterprise systemsCreate, and collaborate with other engineers on, technical specifications aligned against short term and long term Product roadmaps and enterprise architectural goalsUse APM and observability tools to detect, diagnose, and fix performance bottlenecksIdentify technical debt and drive practical solutions to pay down debtEnd-to-End Feature Ownership:Own features and complex issues from product design through development, deployment, and monitoring.Participate in all parts of the Product, Design, and Engineering processes building new features together in a collaborative pod-based environmentInteract with our internal customers using your contributions to our software platform in support of our external customersLeadership Opportunities:Work with team members to identify, prioritize, and reduce technical debt and improve scalability and performance across the codebaseParticipate in architecture and technical design discussions across Product and EngineeringContribute to peer code reviews, automated testing, CI/CD pipelines, and deployment workflowsInvestigate and resolve outages with root-cause analysis and clear follow-up improvementsMentor junior engineers and promote engineering best practices using AI-led practicesRequirements6+ years of experience building enterprise level applications using Ruby on Rails3+ years working with or a related modern javascript frameworks3+ years working working within a 30+ team member sized engineering team in product led engineering organization with high-volume transactional production environments3+ years developing and operating applications on AWSMust have detailed experience using AI coding agents including Claude Code or CodexBachelor’s degree in Computer Science, Engineering, or equivalent practical experienceExperience working using Docker locally and running enterprise-level production workload apps on AWSExperience integrating with RESTful and GraphQL APIsAbility to write raw SQL queries in a relational databaseExperience building asynchronous background job process across multiple tools/frameworksExperience with observability tools like Datadog, Sentry, or New RelicExperience writing automated unit tests having > 60% code coverageCI/CD development experience creating Github ActionsExperience modernizing legacy Ruby on Rails applicationsWorks with an accountability and ownership mindset and calls out gaps where they existExceptional at translating product requirement documents into detailed technical specifications