Gustavo Oliveira

Software Engineer

Gustavo Oliveira

Software Engineer

São Paulo, Brazil

About

Passionate developer who believes that Agile Methodologies, Product Design and Evolutive Engineering can leverage any business to a higher level of competitivity.

Driven by communication, data, and results. Proactive, responsible engineer focused on outcomes—scale, time and cost savings, and better product and team performance.

Active in open source communities (GUJ, Viva o Linux, GitHub, StackOverflow). Successfully led teams with Scrum, fast delivery, and high-quality commitment.

Bachelor's Degree, Internet Systems · Fatec Carapicuiba (2012–2014)
Week Technology — AngularJs

Impact

Outcomes and results I helped drive at each company—scale, time and cost savings, and better product and team performance.

  • Senior Software Engineer · Stord

    May 2025 — Present

    United States

    • Scaled the platform to handle 500,000+ orders per day
    • Co-created freight-order flows and shipping features, including A/B testing to optimize conversion and cost
    • Built international orders with tax ID support and integration with Logiwa and other complex systems
    • Architected scalable payment processing and high-volume email; trained the team for faster, higher-quality delivery
  • Senior Software Engineer · Lolo

    Aug 2023 — May 2025

    United States

    • Designed the software architecture that enabled faster releases, easier onboarding, and fewer bugs—helping the company scale faster
    • Built high-throughput email (thousands per hour) and the billing application that processes payments reliably at scale
    • Mentored the team for better quality and delivery
  • Senior Software Engineer · Clarus R+D

    May 2021 — May 2023

    Columbus, Ohio

    • Processed thousands of W2 forms so customers could save time and money preparing tax documents
    • Contributed to architecture and product quality, helping the company build a strong, maintainable foundation
  • Senior Software Engineer · Zubale

    Jul 2020 — Jul 2021

    United States

    • Cost savings and faster operations: ops team moved from weeks or days of work to a few hours per day
    • Optimized API to handle ~1M records in under 10 minutes so Zubaleros could see pickings and fulfill orders much faster
    • Mentored developers for better quality and velocity
  • Lead Software Engineer · HDI Seguros

    Jul 2019 — Jul 2020

    São Paulo, Brazil

    • Made it easier for customers to integrate with HDI, improving adoption and time-to-value
    • Open Insurance API and digital modernization helped attract and onboard more customers
  • Senior Software Development Engineer · TOTVS

    Oct 2018 — Jun 2019

    São Paulo, Brazil

    • Led migration from monolith to microservices, increasing deploy frequency and enabling faster innovation
    • Simplified the system so it was easier to understand, maintain, and extend—improving team velocity and reliability
  • Senior Software Engineer · Concrete Solutions

    Jan 2016 — Oct 2018

    São Paulo, Brazil

    • Lean, UX, and Agile delivery; BDD and quality practices for mobile and APIs
    • REST APIs and alignment with product for faster, predictable releases
  • Software Engineer · CWI Software

    Jan 2015 — Dec 2015

    São Paulo, Brazil

    • Scrum delivery; full-stack work enabling faster iteration and collaboration
  • Software Engineer Intern · Ericsson Inovação

    Jan 2013 — Dec 2014

    São Paulo, Brazil

    • CI pipelines for automation and quality; inventory management for operations

Portfolio

Coming soon

Selected projects and case studies will be linked here.

Chat with my Digital Twin

Ask anything about my career and impact. I'll answer as Gustavo's digital twin.

Let's connect

Open to collaboration, speaking, and impactful engineering discussions.