# Daniel Martinez Daniel Martinez is a remote worker on Himalayas, Full Stack Developer at Freelance, based in Brazil. Source: https://himalayas.app/@danieluser82 ```text Backend Developer at Igrowker who implemented BlackBox fleet-management APIs with Node.js, TypeScript, and PostgreSQL. ``` | Detail | Value | | --- | --- | | Availability | Looking for a job | | Location | Brazil | | Authorized to work in | Brazil | | Salary expectations | 20k+ BRL | | Job categories | Backend Engineer, Full Stack Developer | | Skills | Backend Development, REST APIs, NodeJS, TypeScript, ExpressJS, PostgreSQL, MongoDB, Prisma ORM, JWT Authentication, Zod, Swagger, React, Vite, Tailwind, Formik, Backend Web Development | | Portfolio | https://github.com/aucapricornus | | LinkedIn | https://linkedin.com/in/danieljmartinezdev | | GitHub | https://github.com/aucapricornus | ## About ```text At Igrowker, I developed backend features for BlackBox, a fleet-management platform, including registration, JWT authentication, and driver and vehicle CRUD operations. I used Node.js, Express, TypeScript, Zod, and Prisma, and documented the REST API with Swagger. On a project called YelpCamp, I built a full-stack app with React and TypeScript, an Express and MongoDB API, automated tests, and CI on GitHub Actions. In my current freelance work, I developed a corporate website for Norpe Ltda using React, Vite, and Tailwind. At 4Geeks Academy, I resolved over 1,000 student coding issues through guided debugging and handled technical onboarding for more than 500 students. I use Linux daily and work with Git Flow and code reviews. ``` ## Experience ### Full Stack Developer (current) Freelance. Apr 2022 - Present ```text Corporate website for the Uruguayan company Norpe Ltda (developed using React, Vite, and Tailwind; forms managed via Formik/Yup and Formspree). Direct communication with clients for requirements gathering and expectation management. Diagnosing and resolving hardware and software issues by identifying their root causes. ``` ### Back End Developer Igrowker. Feb 2026 - Apr 2026 ```text Backend development for BlackBox, a fleet management platform, as part of a ~10-person team (within a 2-month training program). Implemented user and company registration, JWT authentication with middleware, and centralized error handling (Node.js, Express, TypeScript). Developed CRUD operations for drivers and vehicles—including assignment history—using Zod for validation and Prisma for PostgreSQ ``` ### Prework and Finance Advisor 4Geeks Academy. Jan 2024 - Feb 2025 ```text Resolved over 1,000 student coding issues through guided debugging and troubleshooting. Managed technical onboarding for more than 500 students, including interviews, environment setup (Git, IDE, dependencies), and platform integration. Provided instruction and one-on-one guidance to students during critical phases of the bootcamp, including weekly code reviews. As of September 2024, also responsi ``` ### Full Stack Developer Devsafio - Sin Juniors No Hay Seniors. Apr 2023 - Sep 2023 ```text Developing an improved version of Devsafio's website, utilizing agile methodologies, strong communication, problem-solving. ``` ### Salesman Self-employed. Feb 2017 - Dec 2019 ```text Venda de plantas e flores no negócio familiar, de forma esporádica: atendimento presencial aos clientes e recebimento de pagamentos. ``` ### Salesman Self-employed. Feb 2017 - Dec 2019 ```text Venda de plantas e flores no negócio familiar, de forma esporádica: atendimento presencial aos clientes e recebimento de pagamentos. ``` ## Education ### Udemy The Web Developer Bootcamp ```text Jan 2026 ``` ### Udemy Electrónica Básica ```text Nov 2025 ``` ### SPEAKHABLA Business English Level Assessment ```text Jul 2023 ``` ### Mercado Libre Checkout Pro ```text Feb 2023 ``` ### UTEC - Universidad Tecnológica Bachelor's degree Information Technology, Computer Science. 2018 - 2022 ### UTEC - Universidad Tecnológica Bachelor's degree Information Technology, Computer Science. 2018 - 2022 ### 4Geeks Academy Fullstack Developer, Computer Programming. 2022 - 2022 ### UTU - Dirección General de Educación Técnico - Profesional Bachelor's degree, Information Technology. 2014 - 2017 ### HubSpot Academy Service Hub Software Certificate ### Udemy The Web Developer Bootcamp ```text Jan 2026 ``` ### Udemy Electrónica Básica ```text Nov 2025 ``` ### Mercado Libre Checkout Pro ```text Feb 2023 ``` ### SPEAKHABLA Business English Level Assessment ```text Jul 2023 ``` ### UTU - Dirección General de Educación Técnico - Profesional Bachelor's degree, Information Technology. 2014 - 2017 ### HubSpot Academy Service Hub Software Certificate ## Tech stack - GitHub - GitHub Actions - PostgreSQL - MongoDB - Node.js - Tailwind CSS - Bootstrap - Git Flow - Jira - React - Flask - ExpressJS - TypeORM - Linux - Firebase - TypeScript - Docker - Formik - Formspree - SQL - Vite - Zod - Yup - Claude Code - REST APIs To contact Daniel, message them from this profile with a Himalayas employer account: [Hire on Himalayas](https://himalayas.app/hire). ## People also viewed - [Gabriel Prates](https://himalayas.app/@gabriel_peralta): Software Engineer, Logrock - [Matheus Piffer](https://himalayas.app/@matheuspiffer): Front End developer, Talentus - [Arthur Teixeira](https://himalayas.app/@arthurteixeira): Back end Developer, SeedTS - [Andre Felipe Da Rosa](https://himalayas.app/@andrefelipedarosa): Full Stack Developer (Academic Project), FIAP - [PEDRO LUIZ FONSECA DA SILVA](https://himalayas.app/@pedroluizfonsecadasi): Full Stack Developer, UNIE - [Pedro Fonseca](https://himalayas.app/@pedrofonseca): Estagiário de Administração, SEAD (Secretaria Municipal de Administração) - [Matheus Sousa User](https://himalayas.app/@matheussousauser): Full Stack Developer, ASSERT / IFPB - [Felipe B](https://himalayas.app/@felipeb): Desenvolvedor Full Stack Pleno, Voz Educa - [Wesley Parastchuk](https://himalayas.app/@wesleyparastchuk): Desenvolvedor Backend, Autônomo - [Jefferson Gomes](https://himalayas.app/@jeffersongomes1): Desenvolvedor full stack, Autoescola Parati BH