Open to opportunities

Demis Alberto Rincón Martínez

@demisalbertorincnmar

Message

I build production web and mobile applications with React, React Native, and Node.js.

Mexico

Message

What I'm looking for

I'm open to fully remote roles where I can build production web and mobile applications, own architecture end-to-end, and use AI-assisted workflows to deliver high-quality software faster.

I've shipped production web and mobile applications for USA Facts, VTwo, Travelport, Coca-Cola, and external clients across SaaS, travel, legaltech, and enterprise products.

At VTwo, I owned mobile and web architecture across Regulix and Litera, building Regulix's full stack with React, Next.js, React Native, NestJS, Prisma, PostgreSQL, Docker, AWS, and GCP authentication. I also integrated Azure AI speech-to-text and text-to-speech into Litera to enable hands-free workflows for legal professionals.

At Travelport, I maintained a flagship customer-facing application and led automated contract testing for approximately 150 APIs, helping catch breaking changes before production.

I'm currently supporting USA Facts' frontend team with pixel-perfect Next.js and React components, Builder.io CMS integration, Azure geolocation updates, Jest testing, and AI-assisted development workflows using Claude, Gemini, MCPs, and coding agents.

Experience

Work history, roles, and key accomplishments

Current

Software Engineer (Contractor)

Current

USA Facts

Feb 2026 - Present (7 months)

Delivered pixel-perfect, responsive components from high-fidelity Figma designs using Next.js and React, supporting Builder.io CMS integration and Azure-based geolocation infrastructure updates. Applied AI-assisted development workflows and wrote Jest unit tests to harden components.