Available for opportunities

Hi, I'm Harigovind Valsakumar

Full-Stack Developer & Software Engineer

Experienced Full-Stack developer with 6 years of experience in developing applications using .NET Core, Angular, SQL, and PostgreSQL. Specialized in building predictive models in Python and deploying containerized applications to Kubernetes in Cloud using CI/CD.

Harigovind Valsakumar - Full-Stack Developer

About Me

Building reliable systems, one layer at a time.

I'm a Full-Stack Developer with 6 years of experience at Gadgeon Systems Inc., specializing in healthcare systems, fleet management, and shipping solutions. I have expertise in modern web technologies and cloud deployment, with a strong focus on performance optimization and system architecture.

My experience includes working with microservice architecture, implementing CI/CD pipelines, and integrating various third-party APIs. I'm passionate about learning new technologies and solving complex technical challenges.

6+

Years Experience

15+

Projects Completed

8+

Technologies Mastered

Skills & Technologies

The tools and platforms I work with day to day.

Frontend & Backend

Angular
HTML5/CSS3
JavaScript
C#

Backend & Database

.NET Core
Python
PostgreSQL
SQL

Cloud & DevOps

AWS
Docker
Kubernetes
CI/CD

Featured Projects

A selection of professional, personal, and research projects across web, ML, and tooling.

Web

Healthcare Inventory & Shipping System

A multi-module web application built on Angular and .NET Core, backed by PostgreSQL. Handles real-time data synchronisation across distributed services, with third-party API integrations for logistics providers via RESTful endpoints.

Angular .NET Core PostgreSQL REST APIs
Web

Fleet Management System

Extended a microservices-based platform to support new IoT device protocols and GPS telemetry ingestion. Built .NET Core APIs deployed on Kubernetes with Helm, optimised via CI/CD pipelines for zero-downtime rollouts.

.NET Core Kubernetes PostgreSQL CI/CD
Web

Workflow Automation Platform

A full-stack workflow orchestration platform built with React and Java Spring Boot. Uses Flowable as the BPMN process engine, PostgreSQL for persistence, and Keycloak for OAuth2/OIDC identity and access management.

React Java Spring Boot Flowable PostgreSQL Keycloak
ML / AI

Fraud Detection Model

End-to-end ML pipeline built on AWS SageMaker for real-time anomaly scoring. Orchestrated inference via AWS Lambda and API Gateway; trained models on structured tabular data using scikit-learn and XGBoost.

Python AWS SageMaker Lambda scikit-learn XGBoost
ML / AI

Superhero Character Predictor

A convolutional neural network trained to classify images into character identities. Built with Python and Keras using transfer learning on a custom-labelled dataset, with image augmentation applied for generalisation.

Python Keras CNN Transfer Learning
ML / AI

Credit Card Fraud Detection

A binary classification pipeline using scikit-learn to detect anomalous transactions in highly imbalanced tabular datasets. Applied SMOTE for class balancing and evaluated models using precision-recall AUC.

Python scikit-learn SMOTE Jupyter
ML / AI

Linear Regression from Scratch

A ground-up implementation of linear regression using NumPy — gradient descent, cost function minimisation, and model evaluation — without any ML framework abstractions.

Python NumPy Matplotlib
ML / AI

Clustering Algorithms

Implementations of major unsupervised clustering algorithms — K-Means, DBSCAN, and Agglomerative — benchmarked across synthetic and real datasets with visualised cluster boundaries.

Python scikit-learn Matplotlib Jupyter
ML / AI

Algorithms Library

A reference collection of classic computer science algorithms implemented in Python — sorting, graph traversal, dynamic programming, and search — each with time and space complexity annotations.

Python Data Structures Algorithms
Tool

JioFi Status Checker

A native macOS menu bar application built in Swift that polls a local network device's status API, surfacing battery and signal metrics directly in the system tray without opening a browser.

Swift macOS URLSession MenuBar
Tool

Reddit Saved Items Organiser

A Python CLI tool that authenticates with the Reddit OAuth2 API via PRAW to fetch, filter, and export a user's saved posts and comments into structured formats for offline archiving.

Python PRAW OAuth2 REST

Get In Touch

Let's work together!

I'm always interested in new opportunities and exciting projects. Feel free to reach out if you'd like to collaborate or just want to say hello.