Oscar Antonio Bonelli Nasta
Full-Stack Engineer · Python & AI Engineer · Building high-performance products with React, Next.js & Node.js 🚀 | Creative problem solver ✨
Tampico, Tamps, Mexico (Remote)

About
- Creator of Realities — Builder of Worlds through code and imagination.
- I’m a software developer fully committed to delivering high-quality work and meeting deadlines.
- I love turning fresh ideas into real, innovative solutions that bring value.
- I enjoy working in teams and sharing knowledge to help others grow.
- Challenges fuel me — they push me to achieve results and keep growing.
Experience
Cloud Transit Xchange — Lead Full-Stack Engineer
06/2024 – 06/2025
Cloud Transit Xchange — Lead Full-Stack Engineer
06/2024 – 06/2025
- Frontend: React, Next.js, React Native (Expo), TypeScript.
- Backend: Node.js (Express), Python (FastAPI); REST & GraphQL APIs.
- Cloud: AWS Lambda; Cloud Functions.
- CI/CD: CircleCI; GitHub Actions.
- Testing: Jest; React Testing Library; Enzyme.
- Quality: Modular components; Husky; ESLint.
- UI/UX: Prototypes & wireframes in Figma.
- Achievements: refactored & modernized v1; strengthened codebase; led next-gen UI; delivered a scalable white-label system.
Persistent Systems — Lead Engineer
05/2023 – 06/2024
Persistent Systems — Lead Engineer
05/2023 – 06/2024
- Backend: Node.js (Express, TypeScript), Python; RESTful & GraphQL APIs.
- Frontend (Dev): JS, HTML, CSS, React, Next.js, Redux, TS, Tailwind; REST & GraphQL (Apollo).
- UX/UI: Material UI, Tailwind, responsive design; Storybook for UI components.
- Databases: MySQL (Prisma), MongoDB (Mongoose).
- Testing: Unit & integration testing with Jest.
- Version Control: GitLab workflows.
- Methodology: Agile/Scrum.
- Achievements: +40% API speed; test coverage 60%→90%; −25% component build time with Storybook.
Coppel — Software Developer
08/2018 – 04/2023
Coppel — Software Developer
08/2018 – 04/2023
- PHP (Laravel), Node.js (Express), Java (Spring, Hibernate, Batch), React.js, React Native, Redux.
- Automation with Maven & Jenkins; AWS services; DB optimization (MySQL, SQL Server, PostgreSQL, MongoDB).
- Improved e-commerce platform (+5% sales).
- Loyalty points system (+25% retention).
- UI redesign with UX team (+30% satisfaction).
- React Native performance improvements (+20% downloads).
Cabezut — Engineer in Software Development
04/2015 – 06/2018
Cabezut — Engineer in Software Development
04/2015 – 06/2018
- Developed APIs & web services; −50% data retrieval time.
- DB tuning (MySQL, SQL Server); −25% server load.
- Stack: PHP OOP MVC, React.js, Vanilla JS, jQuery, Bootstrap.
- On-time, on-budget delivery (+15% client satisfaction).
Self-Employed - Senior Software Engineer
04/2012 – Present
Self-Employed - Senior Software Engineer
04/2012 – Present
- Backend: PHP, Node.js, Python (Django, Flask, FastAPI).
- Frontend: React.js, AngularJS, JavaScript, jQuery, Less/Sass.
- Databases: MySQL, SQL Server, PostgreSQL, MongoDB.
- AI/ML: TensorFlow for model design, training, and deployment (classification, regression, computer vision).
- E-commerce: Built and customized platforms with React & Node.js, integrating APIs, payment gateways, and scalable front-end features.
- CMS: WordPress, Joomla, and Shopify — custom themes and plugins as required.
- Achievements: Delivered tailored e-commerce platforms and admin systems for 50+ clients, achieving 95% satisfaction across industries.
Education
Master in Quality and Competitiveness — IEST Anáhuac
2014 – 2016
Master in Quality and Competitiveness — IEST Anáhuac
2014 – 2016
B.S. in Superior Computer Systems — CEDIP
2008 – 2012
B.S. in Superior Computer Systems — CEDIP
2008 – 2012
Projects
All projects domains will go live very soon 🚀Indie studio focused on crafting 2D experiences with AI-driven NPCs. Starting simple with CSS and Canvas, evolving into richer cross-platform worlds.
Retrieval-Augmented Generation service with FastAPI + Prisma + MySQL. Stores embeddings in MySQL and performs hybrid search with LangChain, packaged with Docker and ready to integrate with Next.js apps.
Autonomous AI layer that orchestrates processes, builds a live knowledge graph, and automates operations across the whole app — boosting efficiency and decision-making.
Next.js 15 recruitment system that connects candidates with open roles, powered by AI-assisted matching, talent pool search, and technical screening. A modern job board built with scalability and real-time insights in mind.