Paul's Dev Notes

Hi, I'm
Paul Ezennolim

I build robust, scalable applications with Java, Python, Ruby, Kotlin, and JavaScript. Currently a Computer Science student at the University of Sheffield with experience at Moody's Analytics — focused on software development, machine learning, and data science.

University of Sheffield

BSc Computer Science · Expected Summer 2026 · 2:1

A-Levels

Maths (A) · Physics (B) · ICT (Distinction*)

Relevant Coursework

Software Dev · Algorithms & Data Structures · Data Driven Computing · Reinforcement Learning

Tools of the trade.

</> Programming

JavaRubyPython JavaScriptHTML/CSSSQLKotlin

⚙ Frameworks

PyTorchAndroid JetpackRuby on Rails Spring BootJetpack ComposeThymeleaf

🗄 Databases

PostgreSQLSQLiteH2Firebase Sync

🔧 Tools

GitGradleWorkManager WebpackExcelOptuna

🧪 Testing & Arch

JUnitMockitoMVVM REST APIsClean Architecture

☁ ML / Cloud

XGBoostRandom ForestLSTM TransformersCapistrano

Where I've worked.

Moody's Analytics

Manchester, UK

Data Specialist Intern June 2025 – August 2025

Processed and updated advisor/company information from M&A transaction sources using structured research processes.
Maintained weekly backlog and productivity logs using Excel-based tracking workflows.
Validated, cleaned, and standardised incoming data records with systematic quality checks.
Supported daily project delivery with effective time management and workflow coordination.
Collaborated with regional research teams on data verification using primary source analysis.

ExcelData AnalysisM&A ResearchData Validation

Things I've built.

Carbon Flux Quantification

Thesis project developing carbon flux time-series forecasting using TEMPO-80M transformers with LSTM, XGBoost, and Random Forest baselines achieving R² up to 0.741. End-to-end ML pipeline with Python, PyTorch, and FLUXNET data.

PythonPyTorchXGBoostFLUXNETLSTM

GitHub

ReCoLA Landlord App

Enterprise Android property management app with Kotlin and Jetpack Compose following Clean Architecture. Features Room/SQLite local persistence, Firebase real-time sync, and Google Maps integration.

KotlinJetpack ComposeFirebaseRoomGoogle Maps

GitLab

BrassManager Platform

Full-stack band management platform with Java 24 and Spring Boot. Features Thymeleaf templating, PostgreSQL persistence, and role-based access via Spring Security. Fully tested with JUnit.

JavaSpring BootPostgreSQLThymeleafJUnit

GitLab

Learning in public.

Detailed Notion notes on modules and technologies I've studied — click any card to explore.

Software Engineering

Explore software engineering through Ruby development and Linux command-line tools.

Web & Internet Technology

Fundamentals of creating interactive and responsive websites with HTML, CSS, and JavaScript.

Java Programming

Building a strong foundation in Java syntax, structure, and object-oriented programming.

Functional Programming

Explore Haskell through lambda calculus, higher-order functions, and recursion.

Mobile Development

Kotlin programming and Jetpack Compose for modern Android development.

Hi, I'm Paul Ezennolim