Seyone Gunasingham.
I build scalable platforms.

Architecting highly reliable web platforms and robust data pipelines with a focus on Node.js, TypeScript, and React. Currently engineering serverless cloud infrastructure for Axallant and complex data solutions at Uprise Digital.

Featured Work

High-impact platforms and architectures.

Cook: Recipe Engine
Automated recipe and pantry management engine utilizing OCR and AI to seamlessly categorize household ingredients.
AndroidMaterial DesignGemini AI
food.seyone.dev
Automated data aggregation engine tracking and visualizing national supermarket price trends across thousands of SKUs.
Next.jsData EngMongoDB

Project Archive

Filter by technical domain.

Propia / Uprise Digital
Real estate investment analysis platform featuring robust data extraction pipelines to aggregate and normalize property data.
Next.jsPythonFastAPIPostgreSQL
Axallant Apthia
Serverless property rental management system with strict IAM roles, Stripe integrations, and high-availability cloud deployment.
Node.jsReactAWSTerraform
Providence Auto CMS
Full-stack lead tracking and CRM solution built for high-volume international car dealerships.
Next.jsMongoDBData Analytics
Anime.lk Event Portal
Comprehensive event management and artist partner portal supporting internal review workflows and attendee routing.
Next.jsMongoDBFullstack
Anime.lk Partner Static
High-performance, statically generated landing page for the Anime.lk Artist Partner Program.
AstroTailwindStatic
Shot: Archery Tracker
Professional archery score tracking system with tournament management capabilities for Wear OS and Android.
KotlinJetpack ComposeWear OS
Expense Tracker
Material Expressive personal finance application designed in strict alignment with PSD2 security guidelines.
AndroidKotlinOCR
Cook: Recipe Engine
Automated recipe and pantry management engine utilizing OCR and AI to seamlessly categorize household ingredients.
AndroidMaterial DesignGemini AI
Catfish AI
Offline voice synthesis and transcription app optimizing a custom C++ layer on TensorFlow for low-latency processing.
C++KotlinTensorFlow
Anime Wear OS
Custom wearable application bringing specialized tracking and aesthetic interfaces to the wrist.
Wear OSKotlin
food.seyone.dev
Automated data aggregation engine tracking and visualizing national supermarket price trends across thousands of SKUs.
Next.jsData EngMongoDB
SLR Transit Server
GTFS-compliant transit data backend handling complex scheduling, routing, and location data.
NestJSPostgreSQLGTFS
Recipe Importer Core
Robust Kotlin library utilizing JSON-LD for standardized, cross-platform recipe data extraction.
KotlinJSON-LDLibrary
Anime.lk POS
Cross-platform Point-of-Sale desktop application for high-volume convention merchandise transactions.
KotlinDesktopSQLite
University CVS Admin
Administrative web system built for the secure verification and management of university credentials.
PHPMySQLAdmin
Cert Maker Pipeline
Automated Python pipeline for batch-filling and generating hundreds of verified university certificates.
PythonAutomation
Firefox Minimal Tab
A lightweight, hyper-minimalist custom new tab override for Firefox.
HTMLCSSVanilla JS

Technical Arsenal

The core frameworks, languages, and infrastructure I use to build scalable systems.

Backend & APIs

  • Node.jsNode.js & Express
  • FastAPIPython (FastAPI)
  • Spring BootSpring Boot (Java)
  • PostgreSQLPostgreSQL & MongoDB

Frontend & Web

  • Next.jsReact & Next.js
  • TypeScriptTypeScript
  • Tailwind CSSTailwind CSS
  • AstroAstro

Cloud & Infra

  • AWSAWS Cloud
  • TerraformTerraform (IaC)
  • DockerDocker
  • GitHub ActionsGitHub Actions

Mobile & Native

  • KotlinKotlin (Android)
  • Jetpack ComposeJetpack Compose
  • FlutterFlutter
  • C++C++

Experience

Professional roles and core technical trajectory.

Full-Stack Data Engineer

Sep 2025 – Present

Uprise Digital (Remote, AUS)

Designed Propia, a real estate investment platform utilizing Next.js, FastAPI, and PostgreSQL. Engineered resilient data extraction pipelines to aggregate and normalize large volumes of property data, alongside implementing secure multi-tenant authentication.

PythonFastAPIPostgreSQL

Full-Stack Software Engineer

Feb 2025 – Aug 2025

Axallant Pvt.Ltd (Remote, USA)

Intern: Nov 2024 – Jan 2025

Architected and deployed serverless cloud infrastructure utilizing AWS Lambda, Cognito, and CloudFront via Terraform. Developed robust Node.js and Spring Boot backend services integrated with performant React interfaces, while managing secure Stripe payment workflows.

Node.jsReactAWSTerraform

Contract & Freelance

Independent engineering and technical consulting.

Providence Auto

Jan 2026 – Present

Active

Engineered a highly performant Next.js and TypeScript web platform for international vehicle sourcing and importation, managing end-to-end delivery and secure lead-tracking.

Next.jsTypeScript

Anime.lk

2022 – Present

Active

Spearheaded comprehensive platform redesign. Integrated Google Wallet API for high-volume digital ticketing and established CI/CD pipelines for zero-downtime deployments.

Next.jsGoogle Wallet

English Tea Co.

2023

Completed

Developed a specialized inventory and stock management application interfacing directly with proprietary Zebra QR Scanner hardware devices.

HardwareZebra API

Beyond the IDE

Life & Interests

Digital Art

I draw and render digital art primarily using Clip Studio Paint. My aesthetic is heavily influenced by anime culture, which directly translates into my creative direction work for the Anime.lk merchandising team.

Digital Artwork 1Digital Artwork 2Digital Artwork 3Digital Artwork 4

Sports

A competitive recurve archer and participant in the 22nd National Archery Championship. Off the range, I maintain a disciplined physical routine, cycling daily and focusing heavily on weightlifting.

Archery Tournament

Culinary & Culture

An avid baker and cook fascinated by food science—from mastering the physics of traditional Sri Lankan Kalu Dodol to perfecting the pastry of Willard mango custard tarts. Fluent in Japanese (JLPT N4) with a deep interest in manga localization.

Currently Reading: Spice & Wolf
Currently Baking: Mango Tarts

Ready to build something together?

I am currently available for new opportunities. Whether you need a full-stack architect, a specialized data engineer, or a technical lead for your next project, let’s talk.