Kristiyan Cholakov | AI & Software Engineer

About Me

As a recent graduate in Computer Science from Nanyang Technological University (NTU), Singapore, with a specialization in Artificial Intelligence (AI) and Data Science (DS), I am passionate about leveraging cutting-edge technologies to solve complex problems. My academic journey was enriched by a minor in Mathematics and a range of impactful projects that honed my technical expertise and analytical skills.

Over the past four years, I have cultivated a deep interest in Machine Learning (ML) and Data Science, focusing my studies and practical efforts on these fields. Beyond my technical pursuits, I am dedicated to teamwork, leadership, and innovation. I thrive in collaborative environments, identifying critical components of projects, efficiently delegating tasks, and integrating diverse technologies to deliver innovative solutions.

PythonPyTorchTensorFlowFlaskDjangoTypeScriptNext.jsKotlinJava

View my complete tech stack

Software Development

Full-Stack Web Development95%

Mobile App Development95%

Backend API Design & Integration90%

Cross-Platform Applications85%

Machine Learning

Deep Learning95%

Computer Vision90%

Natural Language Processing (NLP)90%

Model Design & Deployment90%

Data Science

Data Visualization95%

Exploratory Data Analysis (EDA)95%

Database & Data Design90%

Statistical Modeling & Inference90%

🎓

Education

B.Eng. Computer Science, Nanyang Technological University (NTU), Singapore

🧠

Specialization

Artificial Intelligence and Data Science with Minor in Mathematics

💻

Skills

Machine Learning, Data Analysis, Software Development

View my education

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~/portfolio/education.tsx

Education

TIMELINE

Bachelor of Engineering - B.Eng, Computer Science

Artificial Intelligence and Data Science, Minor in Mathematics

Distinction

Nanyang Technological University Singapore

Singapore

August 2021 - January 2025

Graduated with Highest Distinction (First Class Honours) through NTU's Accelerated Bachelor Program. Completed the degree in 3.5 years with a structured focus on mastering core CS, AI, and DS principles, and applying them through advanced research and projects.

KEY ACHIEVEMENTS

Honours Degree with Highest Distinction (First Class Honours) | GPA: 4.59/5.00
Double Specialization in Artificial Intelligence and Data Science, Minor in Mathematics
Selected for URECA research program and URECA-FYP, focusing on advanced machine learning models
Completed degree in 3.5 years by overloading semesters
Developed leadership, teamwork, and communication skills through collaborative research

Python Web Developer Diploma

Full-Stack Web Development with Python and Django

Distinction

Software University (SoftUni)

Sofia, Bulgaria (Remote)

October 2018 - May 2020

Completed an intensive and project-oriented web development program focused on building real-world Python and Django web applications, including RESTful APIs, database management, and frontend integration.

KEY ACHIEVEMENTS

Built full-stack Django applications with PostgreSQL and REST APIs
Excelled in backend logic, testing, and deployment
Achieved top academic performance with 6.00/6.00 GPA
Delivered production-ready apps with frontend integration and robust backend

High School Diploma, Mathematics and Computer Science

Mathematics, Informatics, and Programming

Distinction

First Private Mathematical High School

Sofia, Bulgaria

September 2016 - May 2021

Specialized in mathematics and informatics under the Bulgarian curriculum. Participated in competitive programming and mathematics contests, and served in the student council, developing both technical and leadership skills.

KEY ACHIEVEMENTS

Graduated with 5.97/6.00 GPA
Excelled in mathematics competitions and problem-solving
Took advanced programming courses in web development and C++
Active member of the student council, enhancing leadership and organization skills

View my professional experience

terminal -- 80x24

$ cd experience

$ ls -la

total 4

drwxr-xr-x 5 user staff 160 Jan 15 10:23 .

drwxr-xr-x 18 user staff 576 Jan 15 10:22 ..

-rw-r--r-- 1 user staff 724 Jan 15 10:23 job_history.json

$ cat job_history.json | jq .

{ "name": "Kristiyan Cholakov", "title": "AI Developer & Engineer", "experience": "5+ years", "expertise": ["AI", "Web Dev", "Cloud", "Data Science"], "jobs": [...]

$ npm run start:career

> Starting professional journey visualization...

Professional Experience

jobs.sh

Data Engineer

Internship

TÜV SÜD

July 2023 - December 2023

Singapore

Played an integral role in TÜV SÜD’s AI department, contributing to AI quality standards analysis, web application development, generative AI enhancements, and full‑stack development.

RESPONSIBILITIES

Studied and reviewed unreleased ISO AI quality standards; created comprehensive slide presentations for internal training
Developed, tested, and bug‑fixed the AI Readiness Analysis web application; designed and improved the user interface
Hosted and fine‑tuned Meta’s Llama 2 to generate industry‑specific evaluation questions for AI readiness
Managed project workflows in Microsoft Azure DevOps, including work items, user stories, timelines, and documentation
Implemented front‑end features with React.js and Next.js, and back‑end services with Node.js; secured authentication via OAuth

TECH STACK

Python

React.js

Next.js

Node.js

Azure DevOps

Meta Llama 2

OAuth

Generative AI

Explore my projects

My Projects

Modern Developer Portfolio

A sleek, interactive, and feature-rich portfolio website built with Next.js and Framer Motion, designed to showcase a developer's skills, projects, and contact information.

Next.jsReactTailwind CSSFramer MotionThree.jsTypeScript

Code Live Demo

Artificial Intelligence

LinkedIn Game Agents

A fully automated puzzle-solving agent for LinkedIn’s Queens, Tango, and Zip games combining computer vision and algorithmic reasoning.

PythonNumPyOpenCVscikit-learn

Code Live Demo

Artificial Intelligence

Opinion Search Engine for VR/AR Headset Discussions

An NLP-powered search engine that retrieves and analyzes public opinions on VR and AR headsets from Reddit.

Apache SolrPythonpandasscikit-learnNext.jsReactTailwind CSSPlotly

Code Live Demo

Artificial Intelligence

Sentiment Analysis Ablation Study

An ablation study evaluating various sentiment analysis approaches on the Rotten Tomatoes review dataset, comparing embedding strategies, RNN and transformer architectures, and ensemble techniques.

PythonTensorFlowPyTorchKerasNumPypandasmatplotlib

Code

Artificial Intelligence

Image Segmentation & 3D Stereo Vision

A MATLAB lab project comparing document image segmentation techniques and stereo disparity methods for 3D reconstruction.

MATLAB

Code

Artificial Intelligence

Point Processing, Spatial & Frequency Filtering

An exploration of essential image enhancement and restoration techniques in MATLAB, covering intensity transformations, spatial filtering with both linear and non-linear kernels, and noise reduction in the frequency domain.

MATLAB

Code

Artificial Intelligence

Multimodal Speech & Text Emotion Recognition

A multimodal emotion recognition system that integrates speech-to-text conversion and deep learning classifiers to detect emotional states from audio and text data.

PythonJupyterPyTorchTensorFlow

Code

Data Science

Network Science Analysis of Data Scientists Collaboration

A network science-based study of DBLP collaboration data revealing structural properties, evolution, and reduction strategies in a large-scale scientist network.

PythonJupyterpandasNumPymatplotlib

Code

Data Science

ELO Merchant Category Recommendation

A scalable machine-learning pipeline using dual LightGBM models and outlier detection to predict customer loyalty scores in the Kaggle ELO Merchant Category Recommendation challenge.

PythonJupyterpandasNumPymatplotlib

Code

Artificial Intelligence

Neural Networks: Speech Polarity & Housing Price Prediction

A dual-stage deep learning assignment combining speech polarity classification and HDB flat resale price regression.

PythonJupyterNumPypandasmatplotlibseabornscikit-learnPyTorch

Code

Artificial Intelligence

Maze Solver Agent with Value and Policy Iteration

An implementation of value and policy iteration algorithms that computes optimal policies and utilities in a grid-based maze environment.

PythonNumPymatplotlib

Code

Artificial Intelligence

Three-Player Repeated Prisoners’ Dilemma Agent

An adaptive hybrid-strategy agent for three-player repeated Prisoners’ Dilemma tournaments that balances cooperation and defection through dynamic history analysis.

Java

Code

Data Science

The Power of Visualizing Our Planet: From Data to Saving the Environment

An interactive data visualization project illustrating the impact of climate change through animated plots, geospatial maps, and 3D charts.

PythonpandasNumPymatplotlibseabornPlotlyJupyter

Code Live Demo

Artificial Intelligence

Deep Q-Network Cart-Pole Balancing

A reinforcement learning agent implemented with TensorFlow that learns to balance a pole on a moving cart in the OpenAI Gym CartPole-v1 environment.

PythonTensorFlowNumPymatplotlibJupyter

Code

Data Science

SQL Query Evolution Analyzer

A user-friendly tool for comparing SQL queries by visualizing execution plan differences and generating plain-English explanations to aid optimization.

Python

Code

Software Development

MOBLIMA: OOP Movie Booking System

An object-oriented cinema booking application with user authentication, age-based restrictions, dynamic ticket pricing, and administrative controls.

JavaScriptHTML5CSS

Code Live Demo

Data Science

Network Traffic Analyzer

A data-driven network traffic analysis tool that processes raw packet logs to reveal communication patterns, protocol distributions, geolocations, and potential security threats.

PythonJupyterpandasNumPymatplotlib

Code

Software Development

SCSEBuddy: 360° Indoor Navigation & Community Forum

An Android app offering immersive 360° indoor navigation within NTU’s SCSE building and integrated community features like course reviews and discussion forums.

Java

Code Live Demo

Data Science

Market Basket Analysis for E-commerce

A market-basket analysis project identifying product affinities and recommending complementary items to boost sales, with additional insights into customer segments and inventory.

PythonJupyterpandasNumPymatplotlibseaborn

Code

Software Development

SoftUni Django Trivia Game

A Django-based web trivia game with user authentication, dynamic lifelines, and question management, built as a final exam project for SoftUni.

PythonDjangoSQLiteHTML5CSS

Code

Discover my tech stack

Tech Stack

My technology ecosystem spans multiple domains - from web development to artificial intelligence. Below is a visualization of the technologies I have worked with, organized by category.