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I'm Chris Borrero, a Senior MERN Stack Developer with 8+ years of experience delivering scalable, cloud-ready full-stack applications across Healthcare, Social Media, and Enterprise SaaS. I’m proficient in TypeScript, React.js, Angular, Redux, RxJS, and SSR, with strong backend, database, cloud, and CI/CD capabilities. I'm a proven leader and mentor who collaborates with UI/UX teams and stakeholders to ship production-grade solutions that improve reliability, performance, and user outcomes. I enjoy guiding teams, championing testing and code quality, and automating CI/CD and deployments to accelerate delivery.…I'm Chris Borrero, a Senior MERN Stack Developer with 8+ years of experience delivering scalable, cloud-ready full-stack applications across Healthcare, Social Media, and Enterprise SaaS. I’m proficient in TypeScript, React.js, Angular, Redux, RxJS, and SSR, with strong backend, database, cloud, and CI/CD capabilities. I'm a proven leader and mentor who collaborates with UI/UX teams and stakeholders to ship production-grade solutions that improve reliability, performance, and user outcomes. I enjoy guiding teams, championing testing and code quality, and automating CI/CD and deployments to accelerate delivery.

Chris Borrero

Full Stack Developer, Web Developer, Front-End Developer, +2

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I'm Chris Borrero, a Senior MERN Stack Developer with 8+ years of experience delivering scalable, cloud-ready full-stack applications across Healthcare, Social Media, and Enterprise SaaS. I’m proficient in TypeScript, React.js, Angular, Redux, RxJS, and SSR, with strong backend, database, cloud, and CI/CD capabilities. I'm a proven leader and mentor who collaborates with UI/UX teams and stakeholders to ship production-grade solutions that improve reliability, performance, and user outcomes. I enjoy guiding teams, championing testing and code quality, and automating CI/CD and deployments to accelerate delivery.…I'm Chris Borrero, a Senior MERN Stack Developer with 8+ years of experience delivering scalable, cloud-ready full-stack applications across Healthcare, Social Media, and Enterprise SaaS. I’m proficient in TypeScript, React.js, Angular, Redux, RxJS, and SSR, with strong backend, database, cloud, and CI/CD capabilities. I'm a proven leader and mentor who collaborates with UI/UX teams and stakeholders to ship production-grade solutions that improve reliability, performance, and user outcomes. I enjoy guiding teams, championing testing and code quality, and automating CI/CD and deployments to accelerate delivery.

Available to hire

I’m Chris Borrero, a Senior MERN Stack Developer with 8+ years of experience delivering scalable, cloud-ready full-stack applications across Healthcare, Social Media, and Enterprise SaaS. I’m proficient in TypeScript, React.js, Angular, Redux, RxJS, and SSR, with strong backend, database, cloud, and CI/CD capabilities.
I’m a proven leader and mentor who collaborates with UI/UX teams and stakeholders to ship production-grade solutions that improve reliability, performance, and user outcomes. I enjoy guiding teams, championing testing and code quality, and automating CI/CD and deployments to accelerate delivery.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Work Experience

Senior Software Engineer / Tech Lead at Orlando Health

December 1, 2022 - June 1, 2025

Led full-stack delivery of cloud-native healthcare applications using MERN and TypeScript, reducing lead time for changes by 35% and doubling release frequency. Designed and implemented RESTful and GraphQL APIs using Node.js and Express.js; optimized MongoDB and PostgreSQL queries, reducing P95 API latency from 750ms to 380ms. Built dynamic React.js interfaces with SSR, Redux, RxJS, Hooks, and Tailwind/Material-UI, improving clinician task completion rates by 20% and reducing page load times by 30%. Integrated payment gateways, EHR APIs, and internal SaaS platforms, reducing manual workflows by 40% and operational errors by 25%. Mentored six developers on MERN, TypeScript, testing, and code quality, reducing onboarding time by 45%. Automated CI/CD pipelines with GitLab CI/CD and Jenkins; containerized deployments using Docker and AWS EKS, reducing deployment time from 30 minutes to 8 minutes.

Software Engineer II at Twitter

November 1, 2019 - December 1, 2022

Developed microservices-based social media features using MERN and TypeScript to support high-volume, real-time interactions. Built interactive user interfaces with React.js and Angular using Redux, RxJS, Hooks, and SSR, reducing initial load times by 35%. Managed MongoDB and Redis caching strategies, reducing hot-path database load by 25% and stabilizing P99 latency. Enhanced observability through logs, metrics, and traces, reducing incident detection time and MTTR by 32%. Mentored junior developers and improved review turnaround times by 22%.

Software Engineer at IBM

June 1, 2017 - November 1, 2019

Delivered enterprise full-stack applications using MERN and JavaScript, reducing development cycle time by 25%. Built React.js and Angular dashboards with Redux, RxJS, Hooks, and SSR, improving load times by 28%. Optimized PostgreSQL and MySQL queries and indexing strategies, reducing long-running queries by 40%. Automated CI/CD pipelines with Jenkins and GitLab; deployed containerized applications on AWS and Heroku, reducing rollback incidents by 50%.