Portfolio — 2026

Haxell Gomez

Electronics Engineering student | Software • AI • Robotics

About Me

About me

Last-semester Electronic Engineering student focused on AI and software development. Hands-on experience building LLM-based solutions, RESTful APIs, working with fine-tuning, vector databases, and prompt engineering, plus ML, IoT and robotics projects that integrate software and hardware.

Certifications

Artificial Intelligence Technology and Applications
Huawei ICT Academy • 2025
Overview of loT Technologies
Huawei ICT Academy • 2025
Master AI Chatbots
Udemy • 2023
OpenAI API's: Expert Fine-tuning for Developers
Udemy • 2023
C++ Beginner Course
Udemy • 2023
FastAPI from scratch
Udemy • 2023
Web Scraping with Python
Udemy • 2023
Python Demonstrations For Practice Course
Udemy • 2023
Python Complete Course For Beginners
Udemy • 2023
CTC Go!: Creative technologies in the classroom
Arduino Education • 2022
Financial Education Program
Fundación Universidad del Norte • 2022

Education

Bachelor of Science in Electronic Engineering

Universidad del Norte

2022 - 2027 | Barranquilla, Colombia

IEEE Uninorte Student Branch EMBS Chapter Chair (2024)Startup Day Student Category Winner (2023)Geo Expo-Física Winner (2023)IEEE Uninorte Student Branch SEEDBED Chapter Vice Chair (2023)Geo Expo-Física Honorable Mention (2022)

Volunteer & Awards

Active Member, GIRSI Research Seedbed | Universidad del Norte
2025 - Present
Excellence Award – VEX U "Robotica Extrema" National Robotics Competition
Feb 2026
Judges Award – VEX U "Robotica Extrema" National Robotics Competition
Feb 2026
Geo Expo-Física Winner | Universidad del Norte
Oct 2023

Technical Skills

Proficiency scale from 1 (fundamental knowledge) to 5 (expert mastery).

Backend

FastAPI

Flask

Node.js

NestJS

Express

Fastify

C++

PostgreSQL

Firestore

MongoDB

AI / ML

Python

LangChain

TensorFlow

YOLO

Qdrant

Pinecone

Frontend

JavaScript

React

Next.js

DevOps

Git

AWS

Google Cloud

Docker

Experience

LATAM QA Coder | Freelance

Mar 2025 - Apr 2026 | Remote

Outlier (Scale AI)

Reviewed and created code in a QA role ensuring accuracy, clarity and consistency to help train advanced language models.
Applied RLHF techniques such as response ranking, A/B comparison, and reference response generation.
Used prompting strategies such as chain-of-thought and multi-step reasoning.

Software Developer | Part time

Jun 2023 - Mar 2025 | Remote

Chain AI

Developed RESTful APIs for building web applications.
Implemented chatbots using LangChain with custom prompts and vector databases.

Featured Projects

Interactive Miku

Interactive Live2D Miku AI powered by LangChain and Spotify API for dynamic idol responses and expressions, featuring multilingual TTS via ElevenLabs API.

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SIRIUS

An educational platform that combines web technologies with Arduino integration for interactive physics experiments and simulations.

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AutonoLearnRL

Web platform for training, evaluating, and visualizing an autonomous agent that makes decisions in a Flappy Bird game as environment using reinforcement learning.

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Krado Dashboard

Web-based digital twin application that tracks and visualizes real-time and historical GPS movement of individuals along the 'Gran Malecón' (Barranquilla).

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Krado Applications

iOS application that collects native and wearable data via Krado Watch App pairing, sends it through MQTT to AWS IoT Core, and integrates with the web dashboard.

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Eva01 & Eva04 - VEX U Push Back

Two VEX U robots built for the Push Back season by team IQ1 (Fundación IQ × Uninorte). Excellence & Judges Award winners, qualified for the VEX World Championship.

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Happy

Web-based vehicle tracking application providing real-time and historical location data, with management of restricted zones and license plate whitelists.

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Happy Android Applications

Android app for vehicle GPS integration with the web app via UDP, plus a Supervisor app for license plate scanning using YOLOv11 and TextRecognition.

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DuVent

Electronics III project framed as a startup: the Mark III, a handlebar device that measures real-time wind speed for cyclists, together with its landing page.

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Nightmare Cupcake Animatronic

FNaF-inspired animatronic cupcake on an ESP32 that reacts to people with a jumpscare and can also be controlled over WiFi from the browser.

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Fast Line Follower Robot

A high-speed line-following robot built for 'PRO Without Turbine' category. It uses a PID controller running on Arduino Nano, Mabuchi Motors and 16 IR sensors.

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