Justin Ruiz

About

Senior full-stack developer with 12+ years of experience delivering scalable web applications across the full software development life cycle. Experienced leading remote, cross-functional teams and delivering products from MVP to growth stage. Proficient in React, TypeScript, Node.js, GraphQL, REST, AWS, and Kubernetes. Currently a Full Stack Engineer at RemoteWoks Pro, previously Lead Engineer at Sanamate, Senior Software Engineer at Deel, and Software Engineer at Meta, with a track record of architecting scalable backends, data pipelines, and cloud-native deployments.

Experience

• Senior Software Engineer · Deel2019 – 03-01-2022

  • Led development of scalable payroll infrastructure at Deel supporting thousands of distributed companies worldwide. • Architected microservices with Node.js and Python, designed robust ETL processes, and handled cross-border compliance, tax calculations, and contractor payments across 100+ countries, exposing RESTful APIs. • Optimized TypeScript-based React dashboards for HR teams, improving performance and user onboarding conversion. • Collaborated asynchronously with fully remote engineering teams across multiple time zones using Agile workflows. • Mentored engineers, conducted code reviews, and enhanced CI/CD pipelines with Docker and Kubernetes for reliable global deployments.

• Software Engineer · Meta06-01-2014 – 11-01-2018

  • Built scalable React and PHP web features serving millions of users on Meta platforms. • Optimized frontend performance, reducing load times by 35% across high-traffic web applications. • Collaborated remotely with cross-functional teams using Agile methodologies and code reviews. • Designed internal web tools improving engineering productivity and deployment efficiency, applying sound software architecture principles. • Led end-to-end feature delivery, ensuring reliability, security, and global scalability.

• Lead Engineer · Sanamate04-01-2022 – 01-01-2026

  • Led full-stack development of Sanamate using React, Node.js, and TypeScript to build an AI-driven mental wellness web platform. • Architected a scalable backend with GraphQL and REST APIs, multi-agent AI chat, long-term memory systems, and PostgreSQL databases following robust data modeling to support real-time API interactions. • Implemented secure AWS infrastructure with Kubernetes orchestration and a monorepo-based CI/CD pipeline to support global remote users with high availability and resilience. • Managed fully remote engineering team using async workflows, sprint planning, and continuous delivery. • Drove product strategy, feature roadmap, and performance optimization from MVP to growth stage.

Education

• University of MiamiBachelor of Science (B.S.), Computer Science

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