About
I’m Nicolas Cuellar Ochoa, a professional software developer and full-stack JavaScript developer based in Colombia. I enjoy building end-to-end web products, tightening feedback loops, and writing about the small technical decisions that compound into real reliability.
What I Do
- Full-stack web development with React, Next.js, and Node.js
- API design, data modeling, and integration work
- Developer experience, tooling, and pragmatic architecture
Experience
SKYRICHCLUB — Technical Leader (Jul 2025 – Present, Remote Australia)
Shipping features and improving resilience and security across the rewards
ecosystem, including CI/CD pipelines, automated testing, OAuth hardening, and
payment provider integrations.
Risk Analytics Consulting Group — Lead Software Engineer, Fullstack (Sep 2023 – Jul 2025)
Led backend architecture and full lifecycle development of a financial risk
analytics platform (IFRS/NIIF) for Latin American banks. Designed modular
NestJS/Prisma services and concurrent Excel ingestion; implemented secure
Active Directory auth and standardized CI/CD and deployments.
Since Aug 2025, I contribute sporadically on a contract basis for specific
feature work.
Transformit SAS — Fullstack Architect Lead (Mar 2024 – Present)
Designed and deployed multitenant SaaS platforms for restaurant ordering with
Supabase, Redis, BullMQ, and NestJS. Automated tenant provisioning, CI/CD, and
NGINX/DNS/SSL routing.
Ableker — Lead Software Engineer, Fullstack (Sep 2021 – Sep 2023)
Built order management, payment flows, and a redesigned e-commerce/control
panel experience using Node.js, React, MongoDB, and AWS.
Selected Projects
- Next.js + Prisma + Auth.js + Zod + shadcn/ui starter — a full-stack template with authentication, type-safe validation, and server actions.
- NextJS + Redux Toolkit + MUI starter — a Next.js starter template using Redux Toolkit and Material UI.
- Portfolio (React) — a portfolio app built as part of an advanced React course, showcasing Context API, custom hooks, and testing.
- Vendor manager challenge — a Node.js/Express REST API challenge using SQLite and Sequelize with a Next.js frontend.
Currently
Based in Colombia. This blog is where I share practical notes on full-stack engineering and shipping software.
Contact
Email me at webdev.nicolas.cuellar@gmail.com.
Education
B.S. Electronic Engineering — Surcolombiana University (2020 – 2026)
Certifications
- Advanced React (Meta/Coursera)
- Introduction to Front-End Development (Meta/Coursera)
- Programming with JavaScript (Meta/Coursera)
- Version Control (Meta/Coursera)
- Introduction to Back-End Development (Meta/Coursera)
- Node.js: Zero to Expert
- AWS Cloud Technical Essentials
Credits
This site is built on the AstroPaper theme by Sat Naing.