Full Stack Developer
Esceneric · Punjab, India
U.S. one of Largest equipment manufacturer for industrial roofing, construction, and general contracting.
- Tech: Next.js, Sanity, Salesforce, Data Cloud, Heroku, Playwright.
- Led a team of four developers—requirements, full system architecture for the Next.js frontend and CMS backend, and primary technical communication with the client.
- Migrated five separate subdomains (financing, demo booking, rental, rental locator, main site) from HubSpot into one Next.js 16 platform, cutting operating costs by about 80% ($15,000/month → $3,000/month).
- Built a fully dynamic page builder and multi-step form builder with Zod validation in the CMS so marketing could ship landing pages with dynamic fields and validation without code changes.
- Integrated the full Salesforce CRM funnel: lead sync via webhooks and REST APIs; journey tracking with Salesforce Data Cloud external connector and Google Tag Manager.
- Implemented multilingual support with automatic content translation in the CMS studio.
- Eliminated month-long manual content migration with custom scripts: 1,000+ articles and blogs (with images) migrated in under six hours.
- Set up CI/CD on Heroku with submodule deployment (CMS Studio off the frontend server to reduce bundle size), separated dev, staging, and production, and implemented a full Playwright automation suite.
Salesforce — RingCentral VoIP integration & AI analytics
- Tech: Apex, LWC, Node.js, Agentforce, Data Cloud.
- Diagnosed ~35,000 monthly HTTP 429 errors from a rigid managed connector syncing RingCentral to Salesforce that could not be modified in place.
- Replaced it with custom Apex triggers and classes plus a Node.js middleware service that pulls from the RingCentral API and pushes to Salesforce via the Content API; deployed via sandbox and change sets with about 90% test class coverage.
- Built a custom LWC call log dashboard with filters and pagination for the sales team.
- Implemented Agentforce AI for voice call transcription and an analytics dashboard for sentiment, competitor mentions, and call quality metrics powered by Data Cloud.
- Result: monthly integration errors dropped from 35,000 to zero; full call intelligence available inside the Salesforce org.
Multi-vendor SaaS platform for membership billing, receivables, and payment processing.
- Tech: Laravel, Blade, MySQL, Redis, Docker, AWS EC2/S3, GitHub Actions, Playwright, Authorize.net.
- Core development on a U.S. PCI-compliant, multi-vendor membership billing platform: Laravel Blade + JavaScript frontend, Laravel REST API backend, MVC, role-based permissions, and payment scheduling across vendors.
- Applied Redis caching across the backend to reduce API latency; used Laravel queues for async background jobs.
- Dockerized Laravel + MySQL + Redis; configured GitHub Actions CI/CD to AWS EC2; wrote Playwright end-to-end tests.
Unified order scheduling and delivery management software for a U.S. building materials manufacturer, integrating two Salesforce orgs for seamless operations and visibility.
- Tech: React, Radix UI, Tailwind CSS, PostgreSQL, Node.js, Express, Salesforce APIs, WebSockets, Firebase, Heroku.
- Designed frontend, backend, and Salesforce object model (10+ custom objects: orders, schedules, sessions, notification tokens, driver records) to unify two orgs in one dashboard.
- Integrated both orgs over REST APIs with live order and driver data, role-based dispatcher and driver views, dynamic assignment, and a global dispatch calendar.
- Implemented OAuth refresh/access token flow, Zod request validation, and API rate limiting.
- Used WebSockets for in-app order alerts and Firebase Cloud Messaging for mobile push; health-check endpoints to monitor both Salesforce connections.
- Synced drivers across both orgs in real time for availability, assignment, and schedule consistency without manual reconciliation.
AI-Powered Fashion Discovery Platform – Infrastructure Cost Optimisation
- Tech: AWS, MongoDB, Redis.
- Reduced AWS spend from $2,000 to $500 (~75%) by auditing global infrastructure, removing idle US/EU instances where traffic was Asia-focused.
- Restructured MongoDB backup policy (intervals, retention, snapshots, point-in-time restore), cutting MongoDB cost from $700 to $350.
- Diagnosed Redis load from time-based polling scripts (~50% hit ratio, high eviction); redesigned to on-demand caching—hit ratio ~93% and eviction to zero.
Electronic Medical Records System for a Government Hospital
- Tech: Next.js, Laravel, MySQL, Redis, Docker, Jest.
- Part of the core team on a HIPAA-aligned EMR platform with a 120+ table MySQL schema.
- Built the Next.js frontend including multi-tab navigation and a multi-step dynamic form builder for complex clinical workflows.
- Built and integrated RESTful Laravel APIs; wrote Jest unit and component tests for features shipped.
- Used Redis for frequently accessed patient and configuration data to reduce database load and improve dashboard response times.