Suneel Kumar Khatri's Work | ContraWork by Suneel Kumar Khatri
Suneel Kumar Khatri

Suneel Kumar Khatri

Full Stack Dev | React · Next.js · Node.js · TypeScript

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Cover image for Bhoomi Restaurant Singapore — Full
Bhoomi Restaurant Singapore — Full Website Build Designed and built a complete restaurant website for Bhoomi by Chef Milind Sovani, an Indian fine dining restaurant in Singapore. WHAT I BUILT Multi-page responsive website with rich animations and transitions Landing page with image carousel and promotional banners Comprehensive menu pages with categorized dishes (meat, vegan, gluten-free, drinks) Chef profile, restaurant story, and ambience gallery Blog and media coverage sections Online ordering and table booking integration E-commerce shop page for merchandise/products THE IMPACT → Fully responsive across all devices → Fast load times optimized for SEO → Complete brand representation online → Integrated ordering and booking workflows
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Cover image for AI Sales Platform — Real-Time
AI Sales Platform — Real-Time UI with 35% Latency Cut Built the frontend for Outbound Labs, an AI-powered platform where autonomous SDR agents prospect, qualify leads, and book meetings without human intervention. THE CHALLENGE Render live AI-generated conversations in real-time where UI latency directly impacts product experience and customer trust. Every millisecond of delay makes the AI feel sluggish. WHAT I BUILT Visual workflow builder with drag-and-drop for designing custom AI conversation flows — no code required Real-time UI components rendering live AI-generated responses Type-safe component library using TypeScript + React for fast MVP iterations Optimized state management with Redux + custom hooks — 25% fewer unnecessary re-renders Code splitting + lazy loading for performance optimization RESULTS → 28% improvement in page load performance → 35% reduction in UI latency for AI response rendering → +20 Lighthouse accessibility score improvement → 25% fewer unnecessary component re-renders
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Cover image for Enterprise Tax SaaS — 5,000+
Enterprise Tax SaaS — 5,000+ Offices, 50K+ Returns Built and maintained a full-stack tax filing solution serving 5,000+ registered tax offices processing 50,000+ annual returns, with scalable Node.js backend and React frontend. THE CHALLENGE Create a reliable, accurate tax calculation engine compliant with FBR regulations, serving thousands of tax professionals during high-pressure filing seasons with zero tolerance for downtime. WHAT I BUILT Complex tax calculation engine implementing FBR regulations across multiple return types (99.7% accuracy) Comprehensive React dashboard with automated computation workflows, client management, and real-time filing tracking Optimized API performance — response times reduced from 450ms to 315ms (30% improvement) Led code reviews for 3-person development team Collaborated with DevOps on deployment workflows RESULTS → 99.8% platform uptime including peak tax season → 40% reduction in processing time via automated workflows → 30% faster API responses → 18% fewer production bugs during critical filing periods
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Cover image for Tax Automation Platform for US
Tax Automation Platform for US & UK Accounting Firms Contributed to TenForty, a modern tax automation platform serving accountants and financial firms across the US and UK. WHAT I BUILT Tax calculation modules with high-accuracy logic for US and UK regulatory frameworks E-filing workflows for seamless regulatory tax submission User-friendly dashboards simplifying complex financial processes for non-technical accountants Multi-tenant architecture supporting firms with multiple users and roles THE IMPACT → Multi-region deployment serving US and UK markets → End-to-end feature ownership across the full stack → High-accuracy tax logic implementation meeting regulatory standards → Scalable multi-tenant architecture for enterprise clients
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Cover image for Real-Money Gaming Platform — Backend
Real-Money Gaming Platform — Backend at Scale Engineered the complete backend microservices architecture for Pryze, a real-money competitive gaming platform with live leaderboards, real-time gameplay, and multi-provider payment processing. THE CHALLENGE Build a backend that handles thousands of concurrent players, real-time match updates, secure payment flows, and live leaderboard scoring — all with near-zero downtime. WHAT I BUILT Microservices architecture on Node.js handling 15K+ daily requests Real-time leaderboard system processing 30K+ score updates daily via RabbitMQ + Redis Pub/Sub Redis caching + MongoDB query optimization — 45% faster data retrieval (280ms → 154ms) Payment integrations: EasyPaisa, SimPaisa, PayFast with webhook handling and retry logic WebSocket-based messaging for 10K+ concurrent users AWS infrastructure: EC2, S3, X-Ray, CloudWatch Comprehensive Swagger API docs — cut third-party integration time by 50% RESULTS → 15K+ daily active users supported at 99.9% uptime → 45% faster data retrieval after caching optimization → 35% increase in daily user engagement → 30K+ real-time leaderboard updates processed daily
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