ESTEBAN ACUÑA CERDAS

Full-Stack Developer & AI Engineer

  • etb811@gmail.com
  • +506 8643 2927
  • github.com/etb811ac
  • linkedin.com/in/esteban-acuña
  • Costa Rica
Download CV (PDF)

SUMMARY

Senior software engineer with over 10 years of experience building high-performance web applications, from front-end architecture to AI-powered product features. Specialized in React, Next.js, and TypeScript, with hands-on experience integrating LLM APIs into production products and building interactive 3D experiences with Three.js. Proven record of shipping reliable, production-grade solutions for global brands while collaborating closely with cross-functional teams.

EXPERIENCE

Software Engineer · Skillful AI

2024 – 2026
  • Built core features of a production Web3 platform for creating and orchestrating custom AI agents.
  • Designed and implemented AI-driven product features by integrating LLM APIs into a React/Next.js frontend.
  • Partnered with AI engineers and product teams to turn model capabilities into intuitive, usable product experiences.

Software Engineer · SweetRush Inc

Oct 2018 – 2024
  • Developed custom eLearning courses and interactive training experiences in React and Backbone.js for clients including Facebook, Uber Eats, Hilton, and Bridgestone.
  • Integrated course front-ends with client APIs and back-end services, delivering through LMS platforms.
  • Translated instructional designs into polished, cross-browser interactive experiences.

Front-End Developer · Critical Mass LATAM (Hangar)

Feb 2015 – Oct 2018
  • Developed and maintained marketing and product websites for Citi Bank, Omnicom Health Group, BMW, and Britt.
  • Integrated front-end interfaces with back-end systems and services.

SKILLS

  • Languages: JavaScript (ES6+), TypeScript, Python, SQL, HTML, CSS (LESS / SASS)
  • Front-End: React, Next.js, Tailwind CSS, GSAP, Three.js / React Three Fiber
  • Back-End & Data: Node.js, REST APIs, MySQL, MongoDB
  • AI Engineering: LLM API integration (Anthropic, OpenAI), AI agents & agentic tooling, Prompt engineering
  • Tools: Git, SCORM / LMS delivery

EDUCATION & COURSES

  • 2024Three.js Journey — Bruno Simon
  • 2021Full-Stack Development with Django and React — Udemy
  • 2016Business Computing — Universidad de Costa Rica

LANGUAGES

  • Spanish: Native
  • English: Advanced