Otto Bonilla

I’m Otto, a Senior Full-Stack Engineer with 9+ years of experience designing and building products across web, mobile, and cloud.I started programming at age 13 and built my first embedded system at 16, a remote-controlled submarine using PIC microcontrollers and a Java interface. Since then, I’ve been a builder at heart, working across frontend, backend, cloud, system design, and now AI automation.I enjoy roles where I can combine architecture, product thinking, fast iteration, and hands-on engineering.

Tech Stack

Frontend: React, Next.js, TypeScript, React Native, Tailwind.
Backend: Node.js, Express, Python (Flask), PostgreSQL, Redis.
Cloud: AWS (Lambda, API Gateway, S3, CloudWatch, RDS, SQS), Docker, CI/CD.
AI & Automation: OpenAI API, LLM agents, embeddings, WhatsApp Cloud API.
Architecture: System design, microservices, event-driven systems.
Other: Git, Scrum, Firebase

• 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)

• Ai assistant

• Job match assistant

• 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.a