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Open to New Opportunities

Dharanikumar R

Full Stack Developer

Full Stack Software Engineer with 2+ years of experience building scalable SaaS applications. Specializing in backend architecture, workflow automation, and modern web applications with NestJS, Laravel, React, PostgreSQL and Redis.

Coimbatore, India· 2+ years exp·Open to relocation & remote

Dharanikumar R

Skills & Expertise

Tech Stack

Backend

Scalable APIs, microservices & workflow engines

NestJSNodeJsLaravelTypeScript

Frontend

Responsive interfaces with modern frameworks

ReactJsTypeScriptTailwind CSSHTML/CSS

Database & Infra

SQL architecture, caching & cloud deployment

PostgreSQLMySQLRedisDockerAWS EC2

Tools & Platforms

Version control, commerce platforms & developer tooling

GitGitHubShopifyDockerREST APIs

What I Do Best

Core Specializations

Workflow Architect

Automation & orchestration systems

Shopify App Development

Custom apps, webhooks & storefront APIs

Full Stack Systems

End-to-end SaaS product development

React Engineering

Component architecture & state management

Career

Experience

Software Engineer

Cartrabbit·Full-time
Jul 2024 – Present

YUKO Reviews & Loyalty (SaaS)

  • Developed core features for a SaaS platform used by Shopify and WooCommerce merchants to manage product reviews, Q&A modules, and loyalty reward programs across their storefronts.
  • Implemented a Redis caching layer using Sorted Sets and Hashes that significantly reduced database load and improved storefront response times for high-traffic merchant stores.
  • Designed and built an event-driven workflow automation system powered by Laravel Jobs and Events, handling review request scheduling, automated email campaigns, coupon generation, and loyalty point earn/redeem flows.
  • Developed REST APIs, webhook handlers, and a custom OAuth app platform that enables merchants to securely create third-party applications and integrate with YUKO's API ecosystem.
  • Built interactive review and loyalty widgets using React and TypeScript, embedded directly into merchant storefronts with configurable display options.
LaravelReactTypeScriptPostgreSQLRedisAWS S3Shopify

Post-Purchase Survey App (Shopify)

  • Built a Shopify Post-Purchase Survey application featuring configurable storefront widgets that allow merchants to collect structured customer feedback at customizable display locations within the checkout flow.
  • Implemented survey workflow automation with discount-based incentives and developed integrations to route survey responses to external marketing and analytics platforms for customer segmentation and campaign targeting.
NestJSNode.jsReactPostgreSQL

Frontend Developer Intern

CodSoft·Internship
Jun 2024 – Jul 2024

Web Applications

  • Developed responsive React applications during an intensive two-month internship, gaining hands-on experience with component-based architecture, state management, and modern frontend tooling.
  • Collaborated with senior developers to implement UI features, debug cross-browser issues, and follow best practices for code quality and version control.
ReactJavaScriptHTML/CSSGit

What I've Built

Projects

01Work Project · Cartrabbit

YUKO

All-in-one Customer Retention Platform

Architected and built YUKO — a multi-tenant SaaS that stops merchants juggling multiple apps. Consolidates Loyalty, Referrals, Reviews, VIP Tiers, and Membership into one unified dashboard for Shopify and WooCommerce, driving measurable repeat-purchase growth.

Core Features

  • Loyalty & Rewards (12+ earning actions)
  • VIP Tiers with point multipliers & perks
  • Referral Engine with fraud protection
  • Product Reviews & post-purchase requests
  • Visual Workflow Automation builder
  • Merchant OAuth App Platform

Architecture Highlights

  • Redis Sorted Sets caching — cut DB load on high-traffic stores
  • Event-driven jobs: email campaigns, coupon generation, loyalty flows
  • Storefront widgets in React/TS, embeddable in any merchant theme
LaravelReactTypeScriptPostgreSQLRedisAWS S3Shopify API
02Personal Project

Vexo

Fitness & Expense Tracking SaaS

Full-stack personal productivity SaaS that unifies workout planning and expense budgeting in one platform. Built without third-party chart libraries — every graph is custom SVG. Installable as a PWA across Android, Windows, and Mac.

Core Features

  • Weekly workout routine builder (sets, reps, weight)
  • Budget planning with recurring commitments
  • Training adherence score & discipline rank
  • Firebase FCM push notifications (multi-device)
  • PWA — installable on Android, Windows, Mac
  • One-click 7-day demo account generation

Architecture Highlights

  • Event-driven background jobs — chunked batch processing with per-job audit trail and retry logic
  • FCM push notifications — per-device token management with smart daily skip logic
  • PWA installable on Android, Windows, and Mac
LaravelReactTypeScriptPostgreSQLRedisFirebase FCMVercelSentry

Recognition

Achievements

Coding Champion trophy
Cartrabbit · 2025

Coding Champion

Recognised for outstanding technical contribution, code quality, and consistently delivering high-impact features across YUKO Reviews & Loyalty and Post-Purchase Survey products at Cartrabbit.

Code QualityArchitectureHigh Impact

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Get in Touch

Contact

Let's build something great.

I'm open to full-time software engineering opportunities and willing to relocate for the right role. If you're hiring, building something exciting, or would simply like to connect, I'd be happy to hear from you.

Coimbatore, IndiaOpen to relocation & remote

© 2026 Dharanikumar R