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Gabriel AlexandreGA
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Gabriel Alexandre

@gabrielalexandre1

Senior Full Stack Engineer at Pupila Brand Studio building generative-AI SaaS features and agentic PayPal checkout flows.

Brazil
Message

At Pupila Brand Studio, I build full stack features for a generative-AI SaaS that creates brand identities and marketing creatives. I integrate image and video generation models through AWS Bedrock, fal.ai, and LiteLLM, and use Claude Code in my development workflow.

At Ambush, I designed and implemented checkout flows that let AI agents complete PayPal purchases. I also built low-latency Next.js and Node.js checkout features focused on reliability, observability, and fault tolerance.

At Grupo Boticário, I built the Salão99 ERP front end with React, TypeScript, and CSS-in-JS, then refactored its landing page into a standalone Next.js SSG site. In the release month, it drew 200,000+ unique visitors, with sign-ups up 28% and paid conversion up 16% YoY. I also built a real-time voice agent as an open-source project.

Experience

Work history, roles, and key accomplishments

PS
Current

Senior Full Stack Engineer

Pupila Brand Studio

Aug 2026 - Present (3 months)

Builds full stack features for a B2B SaaS that uses generative AI to create brand identities and marketing creatives. Integrates image and video generation models through AWS Bedrock, fal.ai, and LiteLLM, and uses PostHog for analytics and feature flags.

AM

Senior Software Engineer

Ambush

Mar 2026 - Jul 2026 (4 months)

Designed and implemented agentic checkout flows for PayPal, enabling AI agents to complete purchases. Built low-latency Next.js and Node.js features with focus on scalability, observability, and fault tolerance.

GB

Senior Software Engineer

Grupo Boticário

Nov 2022 - Mar 2026 (3 years 4 months)

Built the Salão99 ERP front end with React, TypeScript, and CSS-in-JS in a micro-frontend architecture. Refactored the landing page into a Next.js SSG site, lifting sign-ups by 28% and paid conversion by 16% YoY.

MO

Tech Lead / Senior Software Engineer

MoOngy

Aug 2021 - Nov 2022 (1 year 3 months)

Led front-end delivery for the myCEVA Next.js application, introducing SSR/SSG, TypeScript, and testing. As Tech Lead for the Luxair React Native app rewrite, led a team of 4 engineers from architecture to release, achieving over 100,000 downloads.

PB

Mid-level Front-end Engineer

Paraná Bank

Dec 2020 - Jul 2021 (7 months)

Developed responsive, mobile-first web applications with Next.js. Maintained code quality with Jest and React Testing Library and led A/B testing initiatives in Google Optimize.

EX

Mid-level Front-end Engineer

ExxonMobil

Jan 2020 - Dec 2020 (11 months)

Partnered with the Solution Architect to migrate the squad's front end from AngularJS to React. Built a reusable React boilerplate with Redux Toolkit and React Hook Form and integrated the Unity Design System.

CH

Front-end Engineer

CHT

Jan 2020 - May 2020 (4 months)

Continued front-end work on the CameraHot platform as a freelancer, alongside a full-time role.

CH

Mid-level Front-end Engineer

CHT

May 2019 - Dec 2019 (7 months)

Developed the new version of CameraHot, a livestream-based digital entertainment platform, with Vue.js and Vuex. Worked with back-end developers on event-based APIs using Socket.IO and used Storybook for component development.

AG

Mid-level Front-end Engineer

Agrotis

Jan 2017 - Jan 2019 (2 years)

Worked as a mid-level front-end engineer at Agrotis.

NZ

Junior Software Engineer

NZN

Jan 2017 - Dec 2017 (11 months)

Worked as a junior software engineer at NZN.

TR

Front-end Intern

Triblio

Jan 2016 - Dec 2016 (11 months)

Completed a front-end internship at Triblio.

IBM logoIB

Junior Software Engineer

Jan 2014 - Dec 2015 (1 year 11 months)

Worked as a junior software engineer at IBM, serving client HSBC.

Education

Degrees, certifications, and relevant coursework

FC

Full Cycle

MBA, Applied AI Engineering

2025 -

Pursuing an MBA in Applied AI Engineering, ongoing as of November 2026.

CU

Centro Universitário Campos de Andrade (Uniandrade)

Bachelor's degree, Computer Science

2013 - 2018

Earned a Bachelor's degree in Computer Science.

Northern Virginia Community College logoNC

Northern Virginia Community College

Certificate of Completion, STEM

2015 - 2016

Completed the STEM Program with a Certificate of Completion, supported by the Science without Borders scholarship.

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