Open to opportunities

Daniel Leo

@danielleo

Full-stack engineer with 4 years of experience building scalable web applications using React, TypeScript, NestJS, GraphQL, and PostgreSQL.

Colombia

Message

What I'm looking for

I seek a mid-level Full Stack role building scalable web and mobile products, collaborating with PMs and designers, delivering well-tested, accessible code with measurable user impact.

Hi, I’m Daniel — a full-stack engineer with 4 years of experience building scalable web applications using React, TypeScript, NestJS, GraphQL, and PostgreSQL.

Experience

Work history, roles, and key accomplishments

Frontend Engineer

Glewee

Sep 2022 - Jan 2025 (2 years 4 months)

Developed and maintained web applications using TypeScript and React, ensuring high-quality code and optimal
performance

React TypeScript React Native React Testing Library JavaScript

Full Stack Engineer

ETEN Innovation Lab

Sep 2022 - Feb 2023 (5 months)

Built a prototype Bible translation app with a responsive React+TypeScript UI prioritizing accessibility and cross-browser compatibility, and created reusable HOCs to reduce UI redundancy. Implemented NestJS GraphQL microservices for authentication, translation management, and real-time collaboration to enable seamless frontend integration.

TypeScript React NestJS GraphQL Microservices Accessibility