Hi, I'm Gabriel Martins
Full Stack Developer
Building dynamic, intuitive experiences across web and mobile.
Crafting digital experiences
with code & creativity
I'm a dedicated fullstack developer experienced in front-end, back-end, and mobile technologies, focused on creating dynamic, intuitive, and user-friendly applications — transforming ideas into seamless, responsive experiences that span web and mobile platforms. Currently deepening my expertise in AI and LLMs, exploring how intelligent features can elevate modern products.
When I'm not coding, I'm exploring new technologies, contributing to open source, and continuously leveling up my skills.
Gabriel Deciomo Martins
@Gab360riel
I'm a dedicated fullstack developer experienced in front-end, back-end, and mobile technologies. Let's talk sometime!!
20
Repos
5
Followers
4
Following
Technologies I work with
83%
Frontend
10 skills
73%
Backend
9 skills
78%
Tools
7 skills
Open source work
View all on GitHubFeedIgnite
Primeiro projeto desenvolvido dentro do ignire a fim de aprimorar meus conhecimentos em ReactJS
Deployed work
Khan Al Saboun
ViteMVP for an artisanal soap brand — product catalogue, cart flow, and checkout experience built as a personal project.
MyCycle Health Tracker
NestJS · Next.js · ExpoA health tracking app (mobile + website) focused on cycle-based wellness. Built and deployed the entire backend with NestJS on AWS, using Supabase as the database. Integrated Stripe for subscriptions, Resend for transactional emails, and Google Gemini to generate personalised workout and diet plans via AI. Implemented a Redis-backed queue for AI requests — ensuring fault-tolerant retries, non-blocking flows, and reliable processing even under failures.
Work history
FullStack Developer
CurrentWorking within a cross-functional team of developers, QA, and product on an enterprise accounting office management platform serving customers across Brazil at one of the world's leading information services companies. Actively involved in migrating legacy Angular and C#/Java services to a modern React and Node.js stack, applying clean code and clean architecture principles throughout. Contributes across the full stack — REST API development, frontend interfaces, and unit test coverage.
Full Stack Engineer
Allocated at Ingresse — one of Brazil's largest event ticketing platforms — developing high-impact features relied on daily by event producers across the country. Given the nature of the business, zero-downtime and bug prevention were critical priorities, as any disruption directly affected producers' ability to run their events. Built two internal Design Systems from scratch (Material-UI and Radix UI/shadcn), standardising UI across teams. Mentored 2 junior developers through code reviews and pair programming sessions, helping to improve overall delivery quality.
FullStack Developer
Joined an already live product — a multi-payment store management platform enabling business owners to process sales regardless of payment method. Developed new features and maintained a microservices backend with NestJS, a ReactJS web application, and a React Native mobile app, while ensuring production stability through ongoing support and unit testing.
NodeJS Jr Developer
Contributed to a bill payment platform for partner business owners to pay utility bills (water, electricity) powered by in-house machine learning. Worked within a layered MVC architecture and participated in training the internal AI model alongside backend development.
Jr. FullStack Developer
Participated in a cloud migration project moving partner company services from AWS to Azure. Analysed codebases written in multiple languages, identified compatibility issues, replaced and refactored legacy code, and adapted existing tests to the new infrastructure — gaining broad exposure to multi-language systems and cloud platform differences early in my career.
Jr. FullStack Developer
Career startBuilt a dynamic wish list web application from the ground up — a Node.js/Express REST API backed by MongoDB and PostgreSQL with Sequelize ORM, transactional emails via Google SMTP and Handlebars templates, and a React Native mobile app with Redux and Saga for state management. The mobile app was fully prepared for store submission but was not launched after a competing product reached the market first.
Let's work together
I'm currently open to new opportunities. Whether you have a project in mind, want to collaborate, or just want to say hi — my inbox is always open.