Abstract data visualization background

Data science Ā· teaching Ā· research

Feryadi Yulius

Data Scientist & AI Engineer building practical solutions with machine learning, computer vision, and language models.

Based in Bandar LampungAvailable for teaching & collaboration

Profile

A short introduction to the person behind the projects.

Pixel character avatarDS

Feryadi Yulius

Data Scientist & AI Engineer

Graduated Data Science student from Sumatera Institute of Technology (ITERA), focused on machine learning, deep learning, computer vision, natural language processing, business intelligence, and operations research. I build practical data products and explain technical ideas clearly.

What I bring

  • Machine learning and deep learning
  • Computer vision and NLP
  • Business intelligence and data visualization
  • Operations research and process optimization

Tools I Work With

A practical toolkit for teaching, research, analysis, and building data-driven products.

Python

R

Google Colaboratory

Power BI

Streamlit

Git & GitHub

Machine Learning

Deep Learning

Computer Vision

NLP

Operations Research

Selected Work

Research and applied projects across computer vision, deep learning, NLP, business intelligence, and operations research.

Pineapple Detection & Monitoring System

Pineapple Detection & Monitoring System

A computer vision project for detecting and monitoring pineapple plants and fruits from images and videos. The system explores object detection, confidence visualization, and a pipeline for future tracking and counting in precision agriculture.

Python
PyTorch
YOLO
OpenCV
Computer Vision

Focus

Object Detection
Deep Learning
Computer Vision
Evaluation Faster R-CNN & YOLO for Belitung Coastal Waters

Evaluation Faster R-CNN & YOLO for Belitung Coastal Waters

Bachelor thesis evaluating Faster R-CNN and YOLO for object detection on coastal water imagery. The work compares accuracy and inference speed through preprocessing, augmentation, fine-tuning, and evaluation using mAP, precision, recall, and F1-score.

Python
Faster R-CNN
YOLO
PyTorch
Model Evaluation

Focus

Object Detection
Deep Learning
Model Evaluation
Pothole Detection — Road Infrastructure Monitoring

Pothole Detection — Road Infrastructure Monitoring

A YOLOv8 computer vision model for real-time pothole detection and spatial localization to support road maintenance planning. The project achieved Precision 0.831 and mAP@50 0.774.

Python
YOLOv8
OpenCV
Infrastructure Monitoring

Focus

Object Detection
Deep Learning
Infrastructure Monitoring
Phytoplankton Classification from Belitung Coastal Waters

Phytoplankton Classification from Belitung Coastal Waters

Processed 236 images across 26 phytoplankton classes, expanded the dataset to over 10,000 images using nine augmentation techniques, and evaluated 13 CNN architecture variants. The work was deployed as a website and Android app, PlanktoScan, with BRIN copyright registration.

Python
CNN
Android
Web Development
Deep Learning

Focus

Image Classification
Deep Learning
Computer Vision
Queue System Analysis for Car Refueling Lanes

Queue System Analysis for Car Refueling Lanes

A quantitative study of vehicle queues at gas stations near Institut Teknologi Sumatera using M/M/1 and M/M/s queuing theory. The analysis identified peak congestion at ρ = 1.14 and recommended adding one server during rush hours.

Quantitative Analysis
Queuing Theory
Statistical Analysis
Process Optimization

Focus

Operations Research
Queueing Theory
Process Analysis
Outfit Recommendation Chatbot using NVIDIA

Outfit Recommendation Chatbot using NVIDIA

A personalized outfit recommendation system using Retrieval-Augmented Generation with NVIDIA Llama-3.1 Nemotron Nano 8B. It uses FAISS similarity search and prompt engineering to create context-aware stylist responses.

Python
Llama-3.1
RAG
FAISS
NVIDIA API
NLP

Focus

Generative AI
Natural Language Processing
Recommendation Systems
Unsupervised LinkedIn Company Profile Embedding

Unsupervised LinkedIn Company Profile Embedding

An LSTM autoencoder that generates text embeddings from company profiles for similarity search. The work evaluates semantic similarity through embedding analysis and PCA/t-SNE visualization.

Python
LSTM
Autoencoder
NLP
Similarity Search

Focus

Unsupervised Learning
NLP
Text Embeddings
Infographic: Exploring Rice Production in Indonesia

Infographic: Exploring Rice Production in Indonesia

An infographic titled ā€œFrom Fields to Distributionā€ that uses harvest area, average grain prices, and total production data to highlight geographical inequalities in Indonesian food security. Submitted to the 2025 Gammafest IPB Statistical Visualization Competition.

Data Visualization
Graphic Design
Statistical Analysis
Storytelling

Focus

Data Visualization
Statistical Analysis
Food Security
Toy Store KPI Analysis with Power BI Dashboard

Toy Store KPI Analysis with Power BI Dashboard

A business intelligence dashboard for Maven Toys that tracks total orders, revenue, profit, product-category trends, and revenue growth for interactive management analysis.

Power BI
Data Analytics
KPI Dashboarding

Focus

Business Intelligence
Data Analytics
KPI Monitoring
Spices Detection with Streamlit

Spices Detection with Streamlit

An AI-powered platform that identifies 31 varieties of Indonesian spices through image analysis. The Streamlit app reaches up to 83% prediction accuracy and supports cultural and culinary education.

Python
Deep Learning
Streamlit
Computer Vision

Focus

Image Classification
Deep Learning
Computer Vision
Know Your Batik Website with Streamlit

Know Your Batik Website with Streamlit

An interactive website that detects batik types from uploaded images. It applies image processing for pattern recognition and supports digital cultural preservation and public education.

Python
Deep Learning
Streamlit
Computer Vision

Focus

Image Classification
Computer Vision
Cultural Preservation

Experience

Research and development experience in applied data science and AI.

B

June 2025 – August 2025

Research Assistant Intern

Badan Riset dan Inovasi Nasional (BRIN)

Conducted research and development activities under the Indonesian National Research and Innovation Agency, supporting applied computational work in data processing, analysis, and AI.

Other Experience

Teaching, tutoring, and academic support roles.

T

January 2026 – present

Part-time Programming Teacher

Timedoor Academy Ā· Bandar Lampung

Teach programming logic and coding for students aged 5–18 through age-appropriate lessons, hands-on activities, and guided practice across AI, coding, IoT, and robotics.

R

June 2026 – present

Part-time Teacher

Ruangguru Ā· Bandar Lampung

Teach TIU for CASN preparation, focusing on verbal reasoning, numerical logic, analytical thinking, and test-taking strategies.

B

November 2025 – January 2026

Part-time Teacher

Bimbel Ruang Juara

Provided one-on-one tutoring in basic literacy and numeracy for early learners using personalized teaching methods.

S

September 2023 – June 2026

Tutorial & Practicum Assistant

Sumatera Institute of Technology

Supported undergraduate tutorials and practicums through academic mentoring, practicum supervision, grading, and assessment across mathematics, statistics, optimization, data mining, programming, and algorithms.

Education

S

Data Science (CGPA: 3.52/4.00)

Sumatera Institute of Technology

2022 – 2026

S

Natural Science

SMA N 1 Lubai Ulu

2019 - 2022

Research & Intellectual Property

Applied work connected to data science, big data, and computational biology.

PlanktoScan – Computer Program (BRIN)

Intellectual Property, 2025

Implementasi Ekosistem Hadoop untuk Analisis Segmentasi Pelanggan E-commerce di Pulau Sumatera

UPN Jatim Data Science National Seminar, 2025

Metode Seleksi Variabel dalam Pemodelan Regresi Linear Data Curah Hujan Provinsi Lampung

UPN Jatim Data Science National Seminar, 2024

Juara 3 – INNOVEST 2026

Politeknik Negeri Jember Ā· Clash of Champions, 2026

Professional Certifications

Verified DataCamp credentials and their validity periods.

Associate Data Scientist

DataCamp

Credential ID: DSA0014978540656

October 2024 – October 2026

Verify credential

Python Data Associate

DataCamp

Credential ID: PDA0015038237495

September 2024 – September 2026

Verify credential

Contact Me

Let's connect and collaborate on exciting data science projects!

WhatsApp

Send me a message on WhatsApp

LinkedIn

Connect with me on LinkedIn

GitHub

Check out my repositories

Email

Drop me an email

University Email

Contact me through my university email

Location

Based in Lampung, Indonesia

Bandar Lampung, Lampung

Ready to Collaborate?

I'm always interested in discussing new opportunities, innovative projects, or just having a conversation about data science and technology. Let's connect and explore what we can build together!