jonatha.mathews_
hello, my name is
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Software Developer | React | Next.js | TypeScript
Software Developer with over 3 years of professional experience building web applications, specializing in front-end development with React, Next.js, TypeScript and JavaScript. Experienced in responsive interfaces, reusable components, REST API integrations and enterprise systems. Contributed to projects for five large corporate clients and an industrial ERP focused on process digitization and factory productivity. Additional experience with Google Cloud Platform, GitHub Actions, CI/CD, SQL, BigQuery and Firebase in remote teams and agile environments.
Apps ScriptAppSheetBigQueryLooker StudioCloud RunReactTypeScript
00 — NOW_
last updated: Jul 2026▸Building features for Stinx Network with a Claude Code–assisted workflow
▸Going deeper into microservice architecture with .NET Aspire, Kafka and Testcontainers
▸Exploring AI agents applied to development-workflow automation
01 — TOOLKIT_
→ Front-endReact · Next.js · TypeScript · JavaScript · HTML · CSS · Tailwind CSS · Ant Design · shadcn/ui · Framer Motion · Responsive Design
→ CloudGoogle Cloud Platform · Cloud Run · Cloud Storage · GitHub Actions · CI/CD · Docker
→ Data & AnalyticsREST APIs · JSON · Firebase · SQL · BigQuery · Looker Studio · Google Sheets
→ Automation & AIGoogle Apps Script · AppSheet · Claude Code · Webhooks · OAuth 2.0
→ Dev toolsGit · GitHub · CLI · Trello · ClickUp · Agile Methodologies
02 — EXPERIENCE_
Software Developer | GentropAug 2024 — present · 2 yrs 1 mo
·Corporate solutions: development of web applications, automations, integrations and data solutions for large corporate clients, utilizing React, Next.js, Google Cloud Platform, AppSheet and Google ecosystem tools.
·Web applications: development and maintenance of web applications using React, Next.js, TypeScript and Tailwind CSS, including responsive interfaces, reusable components and REST API integration.
·AppSheet: development of corporate applications and no-code/low-code solutions, including interface design, business logic, automations and integration with various data sources.
·Automations and integrations: development using Google Apps Script, REST APIs and Google Workspace tools to digitize and optimize internal processes.
·Google Cloud Platform: work with Cloud Run, Cloud Storage and BigQuery for applications, integrations and data workflows.
·Data and dashboards: creation and maintenance of dashboards and reports in Looker Studio, involving data manipulation, processing and querying using SQL and BigQuery.
·Version control and CI/CD: use of Git and GitHub for version control and collaboration, as well as GitHub Actions for CI/CD pipelines.
·Agile collaboration: participation in daily stand-ups, delivery planning, task tracking and technical meetings with clients, using Trello and ClickUp to organize activities.
Apps ScriptAppSheetBigQueryCloud RunLooker StudioGCP
Systems Analyst (Front-end) | Mundo MóveisMar 2023 — Aug 2024 · 1 yr 6 mos
·Industrial ERP: enhanced an ERP used by approximately 20 coordinators, focusing on process digitization and increased factory productivity.
·QR Code workflows: implemented scanning, processing and generation for furniture identification, labeling and tracking, supporting approximately 200 labels per day.
·Reusable interfaces: built components with React, Next.js, Tailwind CSS, Ant Design, shadcn/ui and Framer Motion for multiple ERP modules.
·Logistics operation: optimized identification and tracking routines, reducing manual tasks in the production workflow and supporting pickup preparation.
·Version control and CI/CD: used Git and GitHub for collaboration and GitHub Actions in continuous integration and delivery processes.
ReactNext.jsTypeScriptTailwind CSSLooker StudioAppSheetSQL
03 — EDUCATION_
Postgraduate Specialization in Software Engineering — PUC MinasAug 2026 — Feb 2028 · in progress
Associate Degree in Internet Systems — Federal Institute of São Paulo (IFSP), Birigui Campuscompleted 2025
Native Portuguese · Advanced EnglishC1 Advanced — EF SET
04 — COURSES & CERTIFICATES_
Claude Code: Software Engineering with Generative AI AgentsVanderbilt University / Coursera
2026EF SET English Certificate (C1 Advanced)EF SET
2025Complete ReactOrigamid
2024Building No-Code Apps with AppSheetGoogle Cloud Skills BoostFoundations · Implementation · Automation
2024Full Stack JavaScript Program: React and Node.jsAlura
2023React with JavaScript ProgramAlura
2023Orange Tech+ Bootcamp (HTML, CSS, JavaScript, React)DIO
202205 — PROJECTS_
Programatical
Programatical — gamified learning platform2025 · Capstone
Capstone project (TCC): interactive web platform for teaching programming and software engineering through gamification. Step-based lessons (reading, quizzes, ordering challenges), scoring, real-time leaderboard and an admin panel for managing courses, modules and lessons.Core: Next.js 14 (App Router) · React 18 · TypeScriptStyling & UI: Tailwind CSS · Ant Design (Pro Components) · Radix UI · Framer MotionBack-end: Firebase — Firestore (NoSQL) · Firebase AuthValidation: Zod · React Hook Form
view project →Stinx Network
Stinx Network — features with generative AI2025 — present
Collaborative developer project (FiveM server). AI-assisted development with Claude Code: interface prototyping, technical specs and implementation plans built with specialized agents before writing code.Languages: C# (.NET 10) · Lua 5.4 · TypeScript · JavaScript (Node.js)Front-end & NUI: React 19.2 · Tailwind CSS v4 · Zustand 5 · Vite 8 · i18next · Vitest · BiomeBack-end & APIs: ASP.NET Core · .NET Aspire · Dapper · Entity Framework Core · WebSocketsDatabase & Messaging: PostgreSQL · Apache KafkaDevOps & Testing: Podman/Docker · Testcontainers · Git/GitHub · CodeWalker
jonatha-portfolio
jonatha-portfolio — personal site v12023
First personal portfolio: Next.js with a headless CMS (Hygraph), Framer Motion animations, and a validated contact form with API-based delivery.Stack: Next.js · TypeScript · Tailwind CSS · Hygraph CMS · Framer Motion
view project →© 2026 Jonatha Mathews. All rights reserved.made by ♥ jonatha.mathews_