Open to opportunities

Humberto Ariza

@humbertoariza

Message

I build and ship scalable full-stack web applications for U.S. technology companies.

Colombia

Message

I've built and shipped customer-facing web applications for Twilio, HubSpot, and Intuit, owning features from discovery through production.

At Twilio, I delivered React, TypeScript, Node.js, and PostgreSQL features, designed scalable REST and GraphQL services, and improved API latency by approximately 40% while reducing frontend bundle size by approximately 30%.

At HubSpot, I built multi-tenant SaaS applications across CRM and marketing surfaces, migrated a legacy monolith module to modular services and an SPA, and improved release cadence from monthly to weekly.

I bring hands-on experience across frontend architecture, backend APIs, databases, cloud deployment, CI/CD, testing, and observability, and I enjoy mentoring engineers through design reviews, pairing, and shared engineering patterns.

Experience

Work history, roles, and key accomplishments

Senior Full-Stack Engineer

Twilio

Mar 2024 - May 2026 (2 years 2 months)

Owned end-to-end delivery of customer-facing features spanning React/TypeScript UIs, Node.js APIs, and PostgreSQL data models. Reduced average API latency by ~40% and frontend bundle size by ~30% through optimization and caching.

TypeScript React Next.js Node NestJS PostgreSQL Redis AWS Docker GitHub Actions Jest Playwright

Full-Stack Engineer

HubSpot

Jun 2021 - Feb 2024 (2 years 8 months)

Built and maintained multi-tenant SaaS applications using React, TypeScript, and Node.js across CRM and marketing surfaces. Led migration of a legacy monolith module to modular services + SPA, improving release cadence from monthly to weekly.

TypeScript React Node Python PostgreSQL MongoDB Redis Docker Kubernetes AWS GCP Jest Cypress

Software Engineer (Full-Stack)

Intuit

Jun 2018 - May 2021 (2 years 11 months)

Developed full-stack features for consumer and small-business web products: UI, REST APIs, and database migrations. Shipped onboarding and dashboard flows that improved activation metrics and reduced support tickets.

JavaScript TypeScript React Express MySQL PostgreSQL REST Docker Jest

Education

Degrees, certifications, and relevant coursework

Georgia Institute of Technology

Master of Science, Computer Science

2022 - 2023

Master of Science in Computer Science with a specialization in Computing Systems. Coursework included algorithms, computer networks, database systems, software architecture, and distributed computing.