Career | Reuben Roy

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Work Experience

Work History

Full-Stack Developer, Tata Consultancy Services (IKEA Client Project)

Built the microservices powering the IKEA websites, processing millions of transactions annually. Primary focus on the Quotation Management initiative: created services to generate quotes, manage revisions/approvals, and automatically notify customers and internal stakeholders about order status updates. Also contributed to the 3D "Planner" tool that lets users build their rooms in 3D. Worked closely with cross-functional teams in an agile environment, adopting corporate tooling and processes.

Skills

JavaSpring BootPythonREST APIsMicroservicesMavenGradleJUnit5MockitoNode.jsExpressOAuthOIDCJWTWebSocketsHTMLCSSJavaScriptReact.jsBootstrapPostgreSQLGCPDockerCI/CDGitHub ActionsESLintPrettierSonarQubeAgile/ScrumJiraConfluencePostman

Full-Stack Developer, RCKR Software (CPSI/ Trubridge Client Project)

Developed secure backend systems for the Unify service, following the FHIR specification, allowing hospitals USA wide to exchange information seamlessly, reducing cost of patient care significantly.

Skills

.NETREST APIsMicroservicesFHIRHL7MockitoOAuthJWTHTMLCSSJavaScriptPostgreSQLRedisSQLNoSQLAzureDockerCI/CDBitbucket PipelinesSonarQubeAgile/ScrumJiraConfluencePostmanPerformance Optimization

Internships

ElectroBiosonics, Cochin

December 2018

Worked under Dr Cherian for PCB designing using MPLabX and fabrication, electronic equipment assembly, commercial electroplating, transformers and power systems manufacturing etc.

Keltron, Thrissur, Kerala

May 2019

Worked with Arduino to make connected devices and electronics to understand more about the internet of things.

Geo-Enterprises, Kerala

December 2020

Developed comprehensive e-commerce solutions using WordPress ecosystem, implementing payment gateways, performance optimization, and digital marketing strategies to drive business growth.

Skills

WordPressWooCommerceJetpackRazorpay IntegrationPayment GatewaysHTMLCSSSEO OptimizationDigital MarketingGoogle AnalyticsPerformance OptimizationSecurity ImplementationSSL/TLSREST API IntegrationCustom Theme DevelopmentResponsive DesignUser Experience Design (UX)

Skills

A person is more than the list of technologies they used to get work done

But these are the technologies I am familiar with

JavaSpring BootPython.NETMicroservicesREST APIsMavenJUnit5MockitoUnit TestingFastifyGoKotlinNode.jsPrismaRESTGraphQL

HTMLCSSJavaScriptReact.jsThree.jsBootstrapMUID3.jsNext.jsReactReact NativeTailwind CSSTypeScriptVite

PostgreSQLRedisMySQLSQLNoSQLSQLite

AWSGoogle CloudAzureDockerHerokuVercelFirebase

GitGitHubBitBucketGitHub Actions

Data Visualization (D3.js, Matplotlib)Data MiningData ModelingMachine LearningNumPyPandas

AgileJira/KanbanConfluencePostman

WordPressiTextPoetry

VS CodePostmanSonarQube

Written CommunicationVerbal CommunicationProblem SolvingSoftware DevelopmentWeb Development

Certifications

Certifications and Workshops

JavaScript Algorithms and Data Structures

freeCodeCamp.org

Responsive Web Design

freeCodeCamp.org

Introduction to Data Science in Python

University of Michigan & Coursera

Google AI|Explore ML Workshop

Google

Astrophysics Workshop Conductor

NIT Calicut

Portfolio

Previous Web Projects

Explosion.fun Interactive Website

A creative and interactive portfolio website featuring dynamic visual effects and engaging user experiences.

Demonstrates front-end development capabilities, creative coding, and performance-conscious interactions.

Feature Highlights

Platform & Architecture

Next.js App Router
SSR & SSG
File-based routing
API Routes
Automatic code splitting

Performance & Quality

Core Web Vitals optimization
Bundle optimization
Lazy loading
Image optimization
ESLint & Prettier

UI/UX & Accessibility

Responsive design
CSS Modules
Accessible interactions
Subtle motion/animation
Creative coding demos

Deployment

Vercel CI/CD
Edge functions
Custom domain
Preview deployments

Interactive Visualizations

A collection of immersive 3D and data visualizations exploring complex concepts through code.

Demonstrating proficiency in WebGL (Three.js) and Data Visualization (D3.js).

Feature Highlights

Technologies Used

Three.js / React Three Fiber
D3.js & TopoJSON
Physics Engine Integration
SVG Animations
Performance Optimization

Flight of the Storks ↗

3D Solar System ↗

Freelance E-Commerce Projects

Built responsive websites for small businesses including Natura Bags and Serah Design, focusing on product showcasing, SEO optimization, and seamless e-commerce functionality.

Feature Highlights

Key Features

WooCommerce & WordPress
Payment gateway integration
SEO optimization
Product catalogs
Responsive design
Image optimization

Natura Bags ↗Serah Design ↗

Kali

Landing page and waitlist for Kali — a fitness platform that treats physical progression like version control.

Feature Highlights

Technology Stack

Go
Lucide
Next.js
PostgreSQL
React
SQL
Tailwind CSS
TypeScript
Vercel

Visit Kali ↗GitHub Repository ↗

Side-Track

A React Native iOS weight-training app with a random workout picker, muscle-specific fatigue tracking, local leaderboard rankings, and Apple Health integration.

Feature Highlights

Technology Stack

Go
PostgreSQL
RAG
React
React Native
SQL
SQLite
TypeScript

Visit Side-Track ↗GitHub Repository ↗

Window

An Android app that watches your screen — tracking app usage, scraping visible UI text, and running on-device Gemini Nano AI to summarize your digital activity.

Feature Highlights

Technology Stack

Gemini
Go
Gradle
Kotlin
RAG
SQL
SQLite

GitHub Repository ↗

Lofty rebuild

A project built with Anthropic, FullCalendar, Go, LLMs, Lucide, Next.js.

Feature Highlights

Technology Stack

Anthropic
FullCalendar
Go
LLMs
Lucide
Next.js
OpenAI
RAG
React
Tailwind CSS
Turbopack
TypeScript

Visit Lofty rebuild ↗GitHub Repository ↗

Clackinator

A native macOS menu bar utility that plays satisfying mechanical keyboard sounds as you type.

Feature Highlights

Technology Stack

AVAudioEngine
Swift

GitHub Repository ↗

Ranker

A career exploration and ranking app that maps your skills, interests, and traits against a dynamic hierarchical job database to surface the best-fit roles.