Gustavo Pires

Member of Technical Staff

Stealth Startup

Jan 2026 - Current (10 months)

Sr. Full Stack Engineer

Q4

Aug 2025 - Current (1 year 3 months)

Sr. Full Stack Engineer

AE Studio

Jan 2025 - Current (1 year 10 months)

Sr. Full Stack Engineer

ZAMP

Feb 2023 - Jul 2025 (2 years 6 months)

- Joined early on the core engineering team at Zamp, a rapidly growing U.S. startup simplifying Sales Tax for businesses through fast, reliable, and user-friendly infrastructure. - Built several key product features from scratch and core pieces of the application, including a high-performance CSV importer praised by both clients and the customer success team for its usability and speed. - Led the development of multiple integrations with major platforms such as Shopify and Slack, helping expand the platform’s ecosystem. - Worked extensively with async ecosystems such as Inngest, a cutting-edge asynchronous event-driven system, improving performance and enabling scalable workflows. - Contributed across the full stack using modern tools and b

Senior Full Stack Developer

Software Mind Americas

Jul 2021 - Feb 2023 (1 year 8 months)

- Worked on large-scale web applications for multiple U.S.-based clients, delivering both frontend and backend solutions in high-impact projects. - Developed reusable, performant UIs using React and Vue, following strict design systems. - Built backend services using Nest, Express, and Hapi, often integrating with AWS services such as Lambda and EventBridge. - Created custom data visualizations for internal tools, improving diagnostics and client reporting. - Led integration efforts with third-party APIs, ensuring stability and resilience through edge-case handling. - Actively contributed to infrastructure planning and feature design. - Mentored team members in advanced JavaScript and Node.js concepts to raise code quality and system perfor

Full Stack Developer

StructShare (Acquired by Trimble Inc.)

Jan 2021 - Jun 2021 (6 months)

- Collaborated with a small team on a fast-scaling construction management platform. - Worked on both frontend (React) and backend (Node.js + Express), implementing new features and maintaining the core product. - Authored a comprehensive technical analysis identifying bottlenecks and proposing performance improvements through large-scale refactoring. - Helped stabilize and future-proof the platform during a critical growth phase.

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Full Stack Developer

Jan 2021 - Jun 2021 (6 months)

- Contributed to short-term, high-impact software development projects for international clients. - Provided full stack development support across varied technical needs, adapting quickly to each project’s stack and scope.

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Software Developer

May 2019 - Dec 2022 (3 years 8 months)

- Delivered multiple MVPs and internal tools that evolved into scalable, standalone solutions. - Built an application that monitors client Trello boards, generates real-time dashboards, and visualizes performance metrics for stakeholders. - Developed systems that streamlined internal processes and laid the foundation for future B2B products. - Conducted in-depth technical research to propose viable architectures and recommend improvements. - Acted as a cross-functional resource, offering insights across frontend, backend, and system design.

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Full Stack Developer

Mar 2018 - Apr 2019 (1 year 2 months)

- Developed custom web applications using React, Angular, Node.js (Express, Sails), delivering solutions tailored to client needs. - Led UI architecture for a large client platform by modularizing the design into reusable components, enabling the team to meet tight deadlines. - Diagnosed and fixed a performance bottleneck on large report exports by implementing a separate microservice using Node.js Streams. - Collaborated with designers and PMs to translate complex requirements into maintainable and scalable codebases. - Participated in backend API development, database modeling, and deployment strategies for multiple client projects.

Freelancer

Self-employed

Aug 2014 - Sep 2020 (6 years 2 months)

- Built full-featured web applications, e-commerces, dashboards, and APIs for startups and small businesses using Node.js, Express, and vanilla JavaScript. - Created highly performant, dependency-free solutions for projects requiring lightweight architecture and fast delivery. - Improved file-processing performance by ~120% using Node.js Streams and backpressure control to handle large user-uploaded files. - Developed an integration layer between two incompatible systems with custom logic for transforming headers, payloads, and protocols. - Delivered automated bots to handle internal business processes and repetitive tasks, increasing operational efficiency. - Consulted on architecture and scalability best practices for web projects with hi

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Gustavo Pires

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