Ajito Nelson | Data Engineer & AI Enthusiast

About Me

Learn more about my background and expertise

Data Engineer & AI Enthusiast

Hello! I'm Ajito Nelson, an IT Specialist (Big Data) with a passion for Artificial Intelligence and Machine Learning. As a native Tetum speaker, I bring a unique perspective to Timor-Leste's growing tech ecosystem.

Currently, I work at Viettel Timor (TELEMOR), specializing in designing scalable data pipelines, optimizing the Viettel Data Platform, and transforming complex datasets into actionable insights.

Big Data Engineering

Building and optimizing data infrastructure

AI & Machine Learning

Developing intelligent solutions for real-world problems

Customer Analysis

Understanding user preferences through data

Dashboard Development

Enhancing decision-making with data-driven insights

Let's Connect

about_me.py

            class
            DataEngineer:
            def
            __init__(self): self.name =
            "Ajito Nelson" self.role =
            "Data Engineer" self.company =
            "Viettel Timor (TELEMOR)"
            self.location = "Timor-Leste"
            self.focus_areas = {
            "Data Engineering": ["ETL/ELT", "Data Pipelines",
            "Data Warehousing"],
            "Big Data": ["Distributed Computing", "Stream Processing",
            "Data Lakes"],
            "AI & ML": ["LLMs", "Neural Networks",
            "Machine Learning"],
            "Cloud": ["AWS", "Google Cloud"] }

            def
            get_current_projects(self):
            return [
            "Building scalable data pipelines",
            "Implementing LLM solutions",
            "Optimizing ETL/ELT processes",
            "Cloud data architecture"
            ] me = DataEngineer()
          

Technical Skills

My expertise and technical competencies

Data Engineering & Big Data

Building and optimizing data infrastructure

Apache Hadoop

Apache Spark

Apache Hive

Apache Kafka

Apache Airflow

Apache NiFi

Pentaho PDI

ETL/ELT

Data Warehousing

AI & Development

Developing intelligent solutions

Python

TensorFlow

OpenAI

LLMs

Gemini

LLMA

SQL

Bash Shell

Next.js

FastAPI

Flutter

Cloud & Tools

Technology stack and platforms

AWS

Git

Tableau

Looker Studio

Hardware Troubleshooting

Networking

Languages

Communication skills

Tetum (Native)

English (Professional)

Indonesian (Limited)

Portuguese (Elementary)

Work Experience

My professional journey and achievements

Feb 2025 - Present

IT Specialist, in charge of Big Data

Viettel Timor (TELEMOR)

As a Big Data Engineer at Viettel Timor (TELEMOR), I specialize in the maintenance and optimization of the Viettel Data Platform. My responsibilities include:

Utilizing tools such as Hadoop, Spark, Nifi, Pentaho Community Edition, Apache Airflow, Git, and Hive for efficient ETL processes
Spearheading the creation of comprehensive report dashboards using Tableau, facilitating data-driven decision-making across departments
Collaborating closely with stakeholders to understand their needs and design intuitive dashboards
Developing automation scripts to streamline report deployment processes

Oct 2022 - Jan 2025

IT Staff, in charge of Big Data

Viettel Timor (TELEMOR)

Created reports tailored to specific departmental needs, analyzing customer behavior, monitoring system performance, and tracking key performance indicators.

May 2023 - Nov 2023

Big Data Engineer (Internship)

Viettel Group

Mastered the Viettel Data Platform and its maintenance procedures
Acquired proficiency in Hadoop, Spark, Nifi, Pentaho, Airflow, Git, and Hive
Collaborated remotely with Timor-Leste office on report creation

Mar 2022 - Sep 2022

IT Staff

Viettel Timor (TELEMOR)

Troubleshooting errors on the Telemor Website and other systems
Collaborated with partners to develop chatbots across multiple platforms
Utilized SQL to query data for department reports

Jul 2021 - Aug 2021

Enumerator

National Institute Of Statistics Timor-Leste

Participated in The Socio-Economic Impact Assessment Program of COVID-19 in Timor-Leste 2.0 (SEIA2.0), a partnership between UNDP and the National Institute Of Statistics Timor-Leste.

Dec 2019 - Mar 2020

Short-Term Stay Program (Internship)

Gifu University

Studied Machine Learning, Deep Learning, and Image Processing
Conducted research for undergraduate final project
Engaged in hands-on experiments and literature reviews

Jul 2019 - Aug 2019

Information Technology Staff (Internship)

Instituto Politécnico Betano - IPB

Studied Machine Learning, Deep Learning, and Image Processing
Conducted research for undergraduate final project
Engaged in hands-on experiments and literature reviews

Featured Projects

Explore my recent work and key achievements

MedGraph Navigator

MedGraph Navigator is a cutting-edge healthcare analytics platform built on ArangoDB's powerful graph capabilities.

ArangoDB LLMA 3.2 Next.js Python

LafeAINet

A comprehensive network monitoring platform designed to address connectivity challenges in Timor-Leste, transforming social media complaints into structured data.

LLMA 3 Next.js Tidb GIS

Pentaho Server Deployment

Enterprise-level deployment of Pentaho Server for automated report distribution and data integration workflows.

PDI Server ETL ELT

Chronic Disease Risk Predictor

AI-powered healthcare analytics platform for predicting chronic disease risks and providing personalized medical recommendations.

LLMA 3.2 Streamlit XGBoost Random Forest

Plant Identifier

AI-powered web application that identifies plants from images using LLMA 3.2 model, providing plant identification and care tips.

LLMA 3.2 Next.js PostgreSQL

X-ray Analysis Portal

A modern web application for AI-powered X-ray image analysis using the LLAMA 3.2 Vision Model.

LLMA 3.2 Next.js Vision AI

Lkwiz-YT-Lafaek QUIZ YouTube

An interactive platform designed to help users better understand and retain information from YouTube videos. Our solution combines quizzes and chat functionalities powered by advanced AI technology to create a fun and educational experience.

Falcon 180B Python Streamlit

TELE Feedback

A chatbot designed for telecommunications companies in Timor-Leste. This project allows users to provide feedback and interact with an AI chatbot. It integrates sentiment analysis to gauge the tone of customer feedback and stores the data for further analysis, helping the company better understand customer sentiment.

LLMA Huggingface Python Gradio

LAFAEK AI

An innovative AI-powered platform designed to assist law enforcement authorities in Timor-Leste in tracking down stolen motorcycles and enhancing crime-solving efficiency.

Tidb Streamlit Amazon S3 Nifi Mysql OpenAI's CLIP Model Scikit learn Yolo Vercel

Crocodilec

An intelligent chatbot designed to provide fast and accurate information about the Constitution of the Democratic Republic of Timor-Leste. Using pdf data from timor-leste.gov.tl, Crocodilec allows users to ask specific questions about constitutional articles and receive clear and concise answers.

Vertex AI cloud.google vertex-ai-agent

Final Project - 2020

Gender Classification Base on Face Using Image Processing and Machine Learning Techniques.

Machine Learning Python Research Artificial Intelligence (AI) OpenCV Image Processing

Hi, I'm Ajito Nelson Data Engineer & AI Enthusiast

About Me

Data Engineer & AI Enthusiast

Big Data Engineering

AI & Machine Learning

Customer Analysis

Dashboard Development

Technical Skills

Data Engineering & Big Data

AI & Development

Cloud & Tools

Languages

Work Experience

IT Specialist, in charge of Big Data

Viettel Timor (TELEMOR)

IT Staff, in charge of Big Data

Viettel Timor (TELEMOR)

Big Data Engineer (Internship)

Viettel Group

IT Staff

Viettel Timor (TELEMOR)

Enumerator

National Institute Of Statistics Timor-Leste

Short-Term Stay Program (Internship)

Gifu University

Information Technology Staff (Internship)

Instituto Politécnico Betano - IPB

Featured Projects

MedGraph Navigator

LafeAINet

Pentaho Server Deployment

Chronic Disease Risk Predictor

Plant Identifier

X-ray Analysis Portal

Lkwiz-YT-Lafaek QUIZ YouTube

TELE Feedback

LAFAEK AI

Crocodilec

Final Project - 2020

Certifications

My Credly Badges

My Certificates I Posted on LinkedIn

Google Cloud Skills

Volunteer Experience

Data Cleaning of Christian and Islamic Names

Get In Touch

Location

LinkedIn

GitHub

Kaggle

Facebook

YouTube

Instagram

X

Lab Lab AI

Devpost

Hi, I'm Ajito Nelson
Data Engineer & AI Enthusiast