Hardeep Kaur Gill

> ls projects

MySQL Web App

My university web development project using MySQL to practise server-side scripting, database queries, and generating/serving page content.

MySQL Node.js

GitHub

API Dashboard

A responsive dashboard integrating multiple public APIs using JavaScript and asynchronous programming.

JavaScript APIs CSS Grid

GitHub Live Demo

Repository and demo coming soon!

Mobile Store REST API

A REST API built with Node.js, Express, and MongoDB for managing customers, items, and orders in a small mobile store system.

Node.js Express MongoDB

GitHub

Repository coming soon!

Task Manager

A productivity application rebuilt many times to explore better frontend structure, UI design, and maintainability.

HTML CSS JavaScript

GitHub Live Demo Article

Repository and demo coming soon!

Simon Says Game

The classical game with highscore and increased difficulty over time. This time, the focus was on async.

JavaScript Async HTML CSS

GitHub Live Demo Article

SHA 256 Implementation

A Java implementation of SHA-256 that generates sentences and their hashes to find the two sentences whose hash values are the most similar.

Java Cryptography Algorithms

GitHub

Computational Physics

Python simulations and numerical methods developed during my Computational Physics studies.

Python Physics

GitHub

> cat writing.md

This is a small selection of my most in-depth and conceptual articles.

The 5 API Communication Styles Every Developer Eventually Meets

A guide for choosing the right approach based on the problem.

APIs Communication Backend

Read on Medium

Build Your First Express Server and Actually Understand What's Happening

Routes, middleware, databases explained in plain English

Express Backend JS

Read on Medium

> experience

Cofounder of H&S Studio

Self-employed | June 2026

Co-founded H&S Studio alongside Simun Cakic, Software Developer at FRS, with the goal of creating useful software that solve real-world problems.
Leading the development of the studio's first product, an AI-powered language learning platform designed to help users improve their English, Croatian, or Greek through chat-based practice.
Established the project management workflow using Notion to organise tasks between me and Simun and projects using Kanban boards and relational databases.
Currently creating wireframes and interface prototypes to validate ideas before development begins.

Senior Computer Science Tutor

Olus Education | Dec 2021 - Present

Managed and supported teams of 3-4 tutors, offering guidance (before, during, and after classes), resolving queries, and conducting quality reviews to ensure high teaching standards.
Deliver tailored CS lessons to groups of 4-7 students aged 9-18, adapting teaching methods and content to match individual learning needs and abilities.
Support students with Processing OOP (Java), Java and VSCode, Web Dev, Scratch, Python and Game Dev with Godot.
Created lesson material and notes for students to complete in class with tutor help.

Experimental Physics Lab Demonstrator

Maynooth University | Sep 2023 - May 2024

Supported first-year physics students during lab sessions.
Guided students through laboratory experiments, ensuring safe working practices, effective time management, and a strong understanding of experimental theory, methodology, and error analysis for structured scientific reporting.
Graded those scientific reports and provided feedback on their experimental analysis.
My experiments were: Archimedes' Principle and Melde's Experiment.

Computer Science Lab Demonstrator

Maynooth University | Sep 2022 - May 2023

Guided first-year computer science students through Java programming, Processing projects, and Prolog exercises, helping them strengthen their programming knowledge and logical thinking skills in a busy classroom enviroment.
Collaborated with a team of demonstrators to supervise and support 60-80 students during these practical lab sessions.

Summer Camp Demonstrator

Maynooth University Summer Camp | June 2022 & June 2023

Worked with a team of 5-6 demonstrators to make sure a group of 100-120 students followed along with the material and tasks being presented.
Troobleshot any hardware or software issues to minimise disruptions and maintain a positive learning experience.
Planned and presented 4 topics of my own: Turing Tumble, Intro to Java, and UX/UI Design, and Interactive storytelling with Twine.
Other topics covered in the camp when I was present as a demonstrator were microbit, arduino, finch robot, Godot, Blender, Cryptography and more!

Computer Science Center Tutor

Maynooth University | Sep 2021 - May 2023

Volunteered at the Computer Science Center as a CS Tutor.
Would help student in years below mine understand their homework and help them come up with their own solution to problems they were stuck on.
Topics were mostly on Data Structures / Algorithms and Intro to Java.

ABLO & Chairperson - Enactus

Maynooth University Enactus Society | Nov 2020 - May 2023

Led and coordinated society activities, supporting members in the development of socially and environmentally sustainable startup projects.
Some of the activities were AGMs, an international trip to Puerto Rico for the Enactus World Cup, and Kahoot nights during COVID.
Managed communication between the business advisory board and project leaders during ABLO meetings.
Recorded minutes during ABLO meetings, which documented feedback from the Business Advisory Board, and ensured action items were followed up by project leaders before future meetings.
Helped develop initiatives including Garbage Patch Dolls, Eco Elections, and FoodEase.