a Abinan Jeyachandran — Portfolio
AJ°
Computer Engineering Graduate · Toronto Metropolitan University

Building secure,
intelligent systems.
From idea to scale.

Hi, I’m Abinan Jeyachandran. I specialize in software development, system optimization, AI integration, secure applications, automation, and full-stack engineering.

Abinan Headshot
I work as a Full Stack Engineer

Backend Systems

APIs, automation, async workflows

Security First

AES, HMAC, OAuth, RBAC

AI Integration

ML pipelines and intelligent tools

Skills that ship products.

A practical stack across frontend, backend, automation, security, machine learning, desktop apps, mobile apps, and hardware-level systems.

Languages

Python JavaScript TypeScript C# Java Rust C & VHDL

Frontend & Mobile

React React Native HTML & CSS Tailwind CSS Tauri Tkinter

Backend & APIs

Node.js Express ASP.NET Core FastAPI Socket APIs AES & HMAC

Machine Learning & AI

Scikit-learn Pandas XGBoost MLflow OpenAI API

Databases & Cloud

PostgreSQL SQLite EF Core Redis Firebase Docker

Testing & DevOps

Selenium TestNG Maven GitHub Actions Prometheus

Systems built in production.

Full-stack product work across mortgage technology, operations platforms, secure workflows, automation, and API-driven systems.

2026 - Present

Full Stack Developer (Contract)

CholanMortgages | MajesticEquity - Toronto, Ontario

MajesticEquity
  • Built a full-stack mortgage platform using Node.js and MongoDB, fully digitizing the 1003 loan intake process.
  • Integrated financial REST APIs including Plaid, Persona, and Stripe to accelerate KYC and borrower onboarding.
  • Developed a real-time messaging system with Socket.io for secure communication under strict RBAC compliance.
  • Automated document workflows using AWS S3 and PDFKit to generate pre-approval PDFs and LOS exports.
2023 - 2025

Software Engineer

All Bright LTD - Window Cleaning Startup - Toronto, Ontario

  • Architected a FastAPI and React dispatch platform to digitize operations and eliminate scheduling conflicts.
  • Developed Python scripts using the OpenWeather API to automate job delays from precipitation forecasts.
  • Integrated Google Maps API with Nearest Neighbor heuristics to optimize routing and reduce latency by 18%.
  • Designed a structured PostgreSQL database with tagging systems to improve job traceability and reliability.

Projects engineered with depth.

Click any project to view the tech stack, key features, and source or live links.

MOB

AbWork | Real-Time Fitness & Health Intelligence System

AI-driven workout and nutrition coaching with live mobile preview.

Featured Project

Live Demo Mobile AI Cloud

Problem

Fitness apps often split workouts, nutrition, and health signals.

Solution

Unified React Native coaching with Health Connect and Firebase.

Impact

Recruiters can try the product flow without leaving the page.

Tech Stack

React Native Expo Firebase Health Connect OpenAI

Key Features

  • Built a mobile fitness coach using React Native and Expo for workouts and nutrition tracking.
  • Integrated Android Health Connect for automatic steps, calories, and sleep tracking.
  • Added coaching with AI-driven insights and daily missions.

Everything needed for a referral.

Quick-copy contact details plus a downloadable resume for internal referral forms and recruiter notes.

PDF

Resume packet

Download the current resume and copy the referral details in one click.

Full name

Abinan Jeyachandran

Email address

abinan.jeyachandran@gmail.com

Phone number

647-803-9461

Let’s build something useful.

Feel free to reach out for collaboration, software engineering opportunities, automation work, AI integrations, or project inquiries.