4 years · 4 companies
Every line I've
shipped.
Full engineering history — system decisions, impact numbers, and the products I built. Not a summary.
CheckMe Commerce Pvt. Ltd.
Full Stack (Founding) Engineer · Ahmedabad, GJ
Platform Architecture
Multi-tenant SaaS with feature flags, RBAC across 9 role types, 7 order types (Virtual Demo, In-Store Demo, Physical Installation, Self-Service, Training, Consultation, Rental), all on a 60+ table PostgreSQL schema.
AWS Infrastructure
Full AWS setup in ap-south-1: ALB with SSL termination, WAF rules for DDoS/SQLi/XSS, Multi-AZ RDS PostgreSQL, S3 + CloudFront, SES for transactional emails, Route53 — provisioned without a DevOps team.
Embeddable SDK
CDN-distributed single-JS-file SDK embeddable on any website. Supports 5 embed modes (inline widget, modal, floating button, checkout overlay, standalone page) with HMAC-signed session-token auth.
WebRTC Demo Infrastructure
Integrated ZegoCloud for virtual demos — room creation, participant management, recording, and quality monitoring across 6,000+ live sessions.
Brand Onboarding
Led technical onboarding for SharkNinja, Nester, Tiron, EcoFlow — mapping product catalogues, SKUs, demo scripts and CDE training into the platform. Achieved 25%+ conversion vs industry average of 8–12%.
Key Contributions
- React.js Frontend: Architects 10+ Next.js (14–16) production frontends solo, consumer booking, admin console, & partner portal,using Next.js microfrontends, Shadcn/ui, Redux, TailwindCSS, TypeScript, serving 30,000+ customers at 25%+ demo-to-purchase conversion.
- Node.js & Python Backend & REST API Design: Engineers 5 FastAPI microservices along with 120+ RESTful APIs with SQLAlchemy covering demos, CRM, partner ops, & admin,with ZegoCloud & LiveKit WebRTC integration, Razorpay payment pipelines, & multi-channel notifications (SMS, WhatsApp, SES email).
- SQL & NoSQL Database Design: Manages & designs 60+ table PostgreSQL schema on Multi-AZ RDS covering 7 order types, multi-stage status tracking, RBAC across 9 role types, OTP auth, Razorpay payment verification, & multi-tenant SaaS mode via feature flags.
- AWS Cloud Infrastructure: Owns AWS production infra in ap-south-1, ALB routing across 5 services, WAF with DDoS/XSS/SQLi rules, Multi-AZ RDS, EC2 for servers, S3 for recordings & exports, & Route53 DNS.
- DevOps & CI/CD Pipelines: Builds CI/CD via GitHub Actions with self-hosted runners, Docker, & EC2-based deployments. Established engineering standards & managed releases across 10+ frontend apps & 5 backend microservices.
Stack
MathonGo
SDE-1 · Bengaluru, KA
CRA → Vite + TurboRepo
4-minute cold builds on aging CRA (Node 16). Migrated to Vite + TurboRepo — cold builds under 17s (93% faster), page loads -50%, bundle -21%. Zero downtime, no breaking changes.
JEE Main College Predictor
Sole front-end engineer for the tool. Aggressive SEO — structured data, Core Web Vitals tuning, dynamic OG images. 400K users in 48 hours, ranked #2 on Google — fastest traffic event in MathonGo history.
Quizrr Platform Overhaul
Rebuilt test-taking platform from ground up. Cut 11,000 lines of legacy code. Rebuilt freemium gating, Test Analysis dashboard, Onboarding, and Question Review. Lighthouse went from ~55 to 95+.
A/B Testing & Growth
4 WebEngage A/B experiments — different CTA copy, onboarding steps, test completion nudges. Results: 28% rise in test completions, 35% rise in Test Analysis engagement.
Key Contributions
- React.js Frontend: Led CRA to Vite/TurboRepo migration (93% faster builds, 50% faster loads, 21% smaller bundle). Overhauled test-taking and analysis flows cutting 16,000 lines of legacy code. Shipped JEE College Predictor to 400K+ users in 48 hours. Drove 28% test completion lift via WebEngage A/B testing. Hit 95+ Lighthouse scores, contributing to platform growth from 1M to 2.5M students.
- REST API Design: Integrated WebEngage event tracking and A/B testing APIs across onboarding and test flows, driving a 28% increase in test completions and 35% increase in Test Analysis engagement on a 2.5M-user platform.
- Node.js & Python Backend: Designed and developed 20+ REST APIs across test submission, question journey tracking, performance analysis, and score potential flows; collaborates with backend on RESTful API contracts for attempt state, freemium gating, and real-time leaderboard data via Redis.
- SQL & NoSQL Database Design: Worked with MongoDB collections for test analysis, question journey, and mistake tracking. integrated Redis-backed leaderboard APIs and designed client-side state structures mirroring attempt, score, accuracy, and time-per-question data.
Stack
Codebuddy Pvt. Ltd.
React Developer · Kolkata, WB
Freelance Marketplace
User profiles, gig listings, search/filter, proposal system, payment integration. Delivered in 6 weeks.
Car Rental Application
Booking system with availability calendar, multi-step checkout, admin panel. TTFB reduced from 1.3s to 750ms via Next.js SSR + SWR caching.
Engineering Practices
6-hour PR turnaround, 5+ production deploys/week with zero rollbacks. SWR caching strategy eliminated stale data across both platforms.
Key Contributions
- React.js Frontend: Delivered 2 production client platforms in 3 months using Next.js SSR and SWR caching, 45% faster load times with zero stale data issues.
- Node.js & Python Backend & REST API Design: Built 20+ REST APIs for a car rental platform and freelancing portal, covering end-to-end CRUD for listings, bookings, user auth, and transactions using Node.js routes.
Stack
FWC Inc.
UI Developer · Bengaluru, KA
HR SaaS Dashboard
3 role-specific dashboards with 20+ screens and 40+ API integrations — leave management, payroll, recruitment pipeline, attendance, performance reviews.
RBAC System
Client-side RBAC with permission matrices per role. Reduced role-based bugs by 45%, made adding new roles safe.
Real-Time Visualisations
8+ Chart.js charts with Firebase real-time listeners for headcount, attrition, recruitment funnel, and performance distribution — all without page refresh.
Performance
Code splitting, lazy loading, image optimisation brought page load from 3.4s to 1.8s (47% improvement).
Key Contributions
- React.js Frontend: Built HR SaaS frontend with RBAC, 3 distinct dashboards (Admin, Manager, Recruiter), 20+ screens, and real-time Chart.js + Firebase visualizations; cut page load from 3.4s to 1.8s.
- Node.js & Python Backend & REST API Design: Developes 30+ REST APIs across Admin, Manager, and Recruiter dashboards for a multi-role HR SaaS platform serving enterprise clients.