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React and Next.js developer with 4+ years of production experience improving long-term web products and integrating AI-powered features. Experienced in TypeScript and scalable frontend architecture, building user-facing intelligence using OpenAI API, AI Agents, and Claude Code CLI. I’ve worked across web, mobile, and backend-adjacent systems—delivering CRM/automation integrations, meeting intelligence workflows, and internal tooling. I also bring a strong engineering foundation from remote cross-functional teams, with a focus on reliability, testing, and maintainable architecture.…React and Next.js developer with 4+ years of production experience improving long-term web products and integrating AI-powered features. Experienced in TypeScript and scalable frontend architecture, building user-facing intelligence using OpenAI API, AI Agents, and Claude Code CLI. I’ve worked across web, mobile, and backend-adjacent systems—delivering CRM/automation integrations, meeting intelligence workflows, and internal tooling. I also bring a strong engineering foundation from remote cross-functional teams, with a focus on reliability, testing, and maintainable architecture.

Mateus Quintanilha

Software Engineer, Web Developer, Front-End Developer, +5

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React and Next.js developer with 4+ years of production experience improving long-term web products and integrating AI-powered features. Experienced in TypeScript and scalable frontend architecture, building user-facing intelligence using OpenAI API, AI Agents, and Claude Code CLI. I’ve worked across web, mobile, and backend-adjacent systems—delivering CRM/automation integrations, meeting intelligence workflows, and internal tooling. I also bring a strong engineering foundation from remote cross-functional teams, with a focus on reliability, testing, and maintainable architecture.…React and Next.js developer with 4+ years of production experience improving long-term web products and integrating AI-powered features. Experienced in TypeScript and scalable frontend architecture, building user-facing intelligence using OpenAI API, AI Agents, and Claude Code CLI. I’ve worked across web, mobile, and backend-adjacent systems—delivering CRM/automation integrations, meeting intelligence workflows, and internal tooling. I also bring a strong engineering foundation from remote cross-functional teams, with a focus on reliability, testing, and maintainable architecture.

Available to hire

React and Next.js developer with 4+ years of production experience improving long-term web products and integrating AI-powered features. Experienced in TypeScript and scalable frontend architecture, building user-facing intelligence using OpenAI API, AI Agents, and Claude Code CLI.

I’ve worked across web, mobile, and backend-adjacent systems—delivering CRM/automation integrations, meeting intelligence workflows, and internal tooling. I also bring a strong engineering foundation from remote cross-functional teams, with a focus on reliability, testing, and maintainable architecture.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Portuguese

Fluent

English

Advanced

Spanish; Castilian

Intermediate

Work Experience

Software Engineer at Pipedrive

October 1, 2024 - Present

Contributed to a microservices-based frontend architecture using React and TypeScript, following modular and scalable development best practices. Built features for the Nova AI Engagement platform focused on meeting intelligence, CRM data sync, and post-call automation. Implemented and maintained key product domains including Automations, Sequences, Smart Docs, and Campaigns through cross-functional collaboration. Participated in library migrations, design system adoption, and technical research for platform standardization. Investigated and resolved production incidents across multiple services via on-call rotations, and improved team workflows through code reviews, planning, and cross-team discussions.

Junior Software Developer at Torg GmbH

February 1, 2023 - September 1, 2024

Refactored a client-side web application using JavaScript, HTML, Tailwind CSS, Shopify Liquid, and Eleventy.js. Generated dynamic content in batch leveraging the OpenAI API and Python. Built and maintained a Python server integrating Bubble.io and HubSpot using Flask, Pandas, PostgreSQL, and Docker.

Web & Mobile Developer at Prontoo

September 1, 2022 - September 1, 2023

Developed a mobile application for iOS and Android using React Native and Firebase. Engineered web application functionality as a front-end Angular developer.

IT Support Technician at Prontoo

June 1, 2022 - September 1, 2022

Provided IT support, including troubleshooting and operational assistance. Performed QA testing and support-related tasks to support day-to-day service reliability.

IT Support Technician

June 1, 2022 - September 1, 2022

Developed user interfaces and created monitoring tools and dashboards for the support team using Angular and Bootstrap. Maintained system operations through QA testing and help desk support.