Otto Bonilla

Senior Full-Stack Engineer (React, Next.js, Node.js, TypeScript)
Building high-performance, scalable web and mobile applications for global brands like CarTrawler, Diageo, Justerinis, and ME+EM.
9+ years of experience delivering production-ready systems, leading engineering teams, and architecting modern cloud solutions.

Tech Stack

Frontend: React, Next.js, TypeScript, Redux, Tailwind, Storybook, Angular.
Backend: Node.js, Express, Python/Flask, .NET Core.
Mobile: React Native Expo.
Database: PostgreSQL, MongoDB, SQL Server.
Cloud & DevOps: AWS, Vercel, Firebase, Docker, gitlab, CI/CD.

• Email

Companies I’ve Worked For

• Claro

Contributed to multiple projects across the organization

• Digitalware

Contributed to multiple projects across the organization

• IQ outsourcing

Built several internal applications, including leading the development of the system used by operators to process and validate banking documents.

• Agnitu

Built the MVP for their shelf-monitoring system used in retail stores

• DEPT Agency

• - Cartrawler

• - Cartrawler's Customer portal

Built the new customer self-service portal (modifications, cancellations, support).

• - Justerinis

Led full site migration from legacy to modern stack (NexJS+Umbraco).

• - Soafee

Participated in the site migration form Legacy to NextJS+drupal.

• - Meandem

Built new frontend components that modernized the homepage UI and improved overall user experience.

Personal projects (tools)

• DanceCircle

• Trackmyspend

• Alexmobile

Social Media

• LinkedIn

Key Achievements

Led migration of Justerinis.com form .net to a modern Nexjs architecture.Contributed to the development of CarTrawler’s customer portal, working on key features used across multiple international airline partnersCreated Diageo’s DDP ecommerce library.Mentored and led a distributed team of 4 engineers across Ireland.