Gabriel Givigier
@gabrielgivigier
Senior full-stack developer building elegant, efficient products—innovating with AI for web apps.
BrazilWhat I'm looking for
I’m a full-stack developer passionate about building elegant, efficient products and solving impactful problems. As an independent consultant, I’ve helped teams improve code quality, automate testing, and refine design processes—improving performance and increasing developer efficiency. I’ve also supported leaders in building MVPs that secured the company’s first funding round and helped reduce lead time for delivering new features.
In senior roles, I’ve shaped architecture and shipped end-to-end systems using Ruby on Rails and modern frontend frameworks. I’ve led technical decisions, built real-time dashboards for high-volume accounting data, and maintained a large Rails application with complex logic for long-term readability. Today, I’m currently exploring the best ways to integrate AI into web apps—while continuing to deliver clean, maintainable product experiences.
Experience
Work history, roles, and key accomplishments
Independent Consultant
Ipanema.Tech
May 2016 - Present (10 years 1 month)
Assisted companies improve code quality, automate testing, and refine design processes, increasing developer efficiency and product performance. Helped build an MVP that secured the company’s first funding round and supported feature delivery with Ruby on Rails, reducing lead time for new development.
Senior Software Engineer
Hifive
Apr 2022 - Mar 2023 (11 months)
Worked as a full-stack developer contributing to Roda and Svelte applications on a B2B influencer platform for warm sales introductions. Built multiple framework modules since Roda is a thin layer over Rack, helping maintain and extend core platform functionality.
Tech Leader
Modularity
Oct 2020 - Dec 2021 (1 year 2 months)
Led architectural decisions while helping developers define proper system architecture for an FP&A and accounting platform. Built support for real-time dashboard updates over large volumes of accounting data using Ruby on Rails and supporting services.
Senior Software Engineer
Groupize
Feb 2018 - Oct 2020 (2 years 8 months)
Developed and maintained a large Ruby on Rails platform supporting company events and attendees. Designed and implemented complex logic with careful architecture to preserve long-term code readability and extensibility.
Software Engineer
Agrid
Nov 2012 - Apr 2016 (3 years 5 months)
Developed a Ruby on Rails and PostgreSQL API following best practices for API building for a price-and-quote platform. Optimized throughput to generate 500+ quotes daily for 95k+ brides across 2k+ vendors, and built a vendor-facing single-page app with AngularJS.
Education
Degrees, certifications, and relevant coursework
Udacity
Machine Learning Engineer Nanodegree, Machine Learning
2016 - 2017
Completed the Machine Learning Engineer Nanodegree program at Udacity. Trained in practical machine learning concepts and techniques.
Federal Fluminense University
Bachelor of Science, Computer Science
2008 - 2012
Completed a B.S. in Computer Science at Federal Fluminense University. Studied core computer science foundations and related coursework.
Tech stack
Software and tools used professionally
Availability
Location
BrazilAuthorized to work in
Job categories
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