Dynamic Technical Lead with 9+ years building high-concurrency, real-time systems across India's leading gaming and sports platforms. Expert in Node.js microservices, AWS architecture, and event-driven systems (Kafka, WebSockets, Lambda). Led 10-engineer teams delivering platforms that process 1M+ daily API requests at 99.9% uptime — from payment infrastructure handling ₹50Cr+ in prize payouts to real-time fantasy points engines serving 1M+ IPL users. Strong full-stack capability with React, Next.js 14, and TypeScript; proven track record shipping complete products end-to-end.
Work Experience
Engineering Manager & Backend Team Lead
Head Digital Works Pvt. Ltd. / Bangalore
03/2019 – Present
A23 Rummy & Poker Platform – Payment & Real-Time Gaming
Node.jsKafka
Socket.IORedis
AWS ECSRazorpay
- Multi-Channel OTP Login: Implemented SMS login via Kaleyra & SMS Striker; WhatsApp OTP via Gupshup & Kaleyra; Social Login (Google/Apple); JWT-based Authentication & Token Management.
- KYC & Fraud Detection: Integrated Hyperverge, Signzy, and Verifyu for user KYC; built fraud detection with image recognition, limit scoring, and suspicious-pattern flagging.
- Bank Validation: Initiated penny-drop verification via Justpay for real-time user bank account validation.
- IFSC Lookup: Integrated Cashfree API for real-time IFSC code resolution and bank branch details.
- Built payment microservices (Justpay, Razorpay) processing 50K+ daily transactions at 99.9% uptime with zero payment failures.
- Migrated monolithic Node.js application to AWS ECS microservices, improving scalability 35% and reducing deployment time 40%.
- Implemented Redis distributed caching and connection pooling, reducing response times 45% for 100K+ concurrent players.
- Engineered WebSocket clusters (Socket.IO + Kafka event streaming) for live poker notifications, handling 500K+ events/minute.
- Managed Jenkins CI/CD pipelines and webhook systems enabling daily zero-downtime releases.
Cricket Fantasy Platform – Points & Prize Distribution System
KafkaMongoDB
RazorpayNode.jsRedis
- Architected real-time points calculation engine processing 10M+ player actions per match across 50+ parameters with sub-100ms latency.
- Engineered team winning calculation system evaluating 100K+ virtual teams per contest; implemented tie-breaker logic serving 1M+ IPL users.
- Built distributed payment & prize distribution microservices (Razorpay); automated ₹50Cr+ payouts to 500K+ winners with 100% accuracy, zero disputes.
- Designed Kafka event-driven pipeline (live score → points recalculation → leaderboard refresh), reducing contest settlement from 2 hours to 15 minutes.
- Implemented fraud detection layer flagging 2% suspicious entries, saving ₹25L+ via player-activity pattern analysis and IP geofencing.
- Optimized MongoDB time-series collections for 50GB+/season match data; achieved 99.99% data consistency across distributed leaderboards.
Cricket.com – Real-Time Sports Analytics Platform
AWS LambdaMongoDB
API GatewayJenkins
- Led 10-engineer backend team architecting real-time sports APIs serving 500K+ users; optimized MongoDB schemas cutting query latency 30%.
- Engineered AWS Lambda serverless microservices handling 1M+ daily API requests during peak IPL events, cutting infrastructure costs 25%.
- Implemented Jenkins CI/CD pipelines with API Gateway integrations, accelerating deployments 40% and reducing production incident response time 50%.
- Designed high-availability MongoDB clusters with automated failover, maintaining 99.9% uptime across tournament seasons.
Software Engineer II
Globussoft Technologies Pvt. Ltd. / Bangalore
08/2016 – 02/2019
Full-Stack Engineering – Multiple Client Products
ReactNode.js
MongoDBGPS/Maps
- BusApp: Real-time bus tracking platform with live GPS updates, passenger counts, route scheduling, and customizable notification alerts for commuters.
- Chingari: Social short-video entertainment platform — video creation, sharing, and discovery across music, dance, and comedy genres.
- Maintained clean, test-covered server-side applications; collaborated cross-functionally with UX designers and product managers to deliver high-quality solutions.
Personal Projects
Realistan ServeEase — On-Demand Home Services Platform
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Next.js 14Node.js
Socket.ioMongoDB
RedisAWS S3/SNS
RazorpayClaude API
PlaywrightTypeScript
- Full-stack Urban Company-style marketplace with three fully isolated auth flows — JWT role-scoped tokens, Zustand stores per role (customer / agent / admin).
- Real-time agent GPS tracking via Socket.io + Google Maps with live heatmap (Visualization API) and 30s auto-refresh polling.
- Integrated Razorpay checkout with composable payment pipeline — coupon / loyalty-points / subscription / surge-pricing deductions in a single live-calculated summary.
- AI-powered service recommendations via Claude API (Haiku model) with 24h Redis caching and prompt caching to minimize token cost.
- Wrote 34 Playwright E2E tests covering OTP login, checkout, booking detail, and admin dashboard — all mocked at the network layer.
- Double OTP gate (service start + completion) via AWS SNS/Kaleyra SMS delivery with tamper-proof audit log on every state transition.
- Dynamic surge pricing engine (time-of-day + weekend multipliers), loyalty-points earn/redeem, coupon validation, and subscription discounts — composable per booking.
- Engineered dispute & refund workflow — customer raises dispute, admin resolves with wallet credit, AuditLog on every state change.
- Corporate bulk booking with tiered discounts (10/15/20%), multi-slot CorporateBooking model, and admin approval flow.
- Secured with per-route rate limiting,
express-mongo-sanitize,xss-clean, CORS allowlist, global AppError class, and git pre-push secret scanning. - 60+ API endpoints · 40+ frontend pages · 121 files · 13K+ lines · 17 enhancements shipped
Realistan — Full-Stack Real Estate Platform
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Next.js 14Express.js
MongoDBRedis
ElasticsearchAWS S3
Kaleyra SMSGoogle/Apple OAuth
- No-brokerage property marketplace for Buy / Sell / Rent / Warehouse / PG listings across Indian cities — built end-to-end as sole developer.
- OTP + Social login (Google & Apple OAuth), property search powered by Elasticsearch, owner listing dashboard, and media hosting via AWS S3.
- Next.js 14 App Router frontend with Tailwind CSS; Express REST API with MongoDB/Mongoose, Redis caching; Kaleyra SMS for OTP delivery.
- Built Toyota's data-driven product & promotions platform from scratch — React frontend + Node.js backend with Contentful CMS, automated location/service maps, and mail templates.
Key Achievements
100K → 1M+
Concurrent users scaled without performance degradation
₹50Cr+
Prize payouts automated — 100% accuracy, zero disputes, 500K+ winners
2hr → 15min
Contest settlement time via Kafka event-driven architecture
25% cost cut
Infrastructure savings via serverless architecture + CI/CD automation
₹25L+ saved
Fraudulent payouts prevented via detection layer + IP geofencing
10+ engineers
Mentored in AWS best practices, system design, and microservices architecture