Maitrish
Mukherjee
SENIOR FRONTEND ENGINEER · FOUNDING ENGINEER
Founding Engineer who built a commerce platform from zero — 10+ apps, 5 microservices, full AWS infra. Previously scaled MathonGo to 2.5M students. I don't just ship features. I own products.Founding Engineer building commerce platforms at scale. Ex-MathonGo.
Where I've Shipped
CheckMe Commerce Pvt. Ltd.
Senior Frontend Engineer · Founding Engineer
- ◆Sole engineer for the first 4 months — architected the entire platform from scratch across web, API, and cloud infrastructure.
- ◆Built 10+ Next.js frontends and 5 FastAPI microservices on PostgreSQL Multi-AZ RDS (60+ tables), covering 7 order types and RBAC across 9 role types.
- ◆Onboarded global brands SharkNinja, Nester, Tiron, EcoFlow — achieved 25%+ demo-to-purchase conversion rate.
- ◆Engineered ZegoCloud WebRTC video infra, CDE training LMS with YouTube sync, and multi-channel notifications.
MathonGo
SDE-1 · Frontend Engineer
- ◆Proposed and led migration from CRA (Node 16) to Vite + TurboRepo — 93% faster builds, 50% faster page loads, 21% smaller bundle.
- ◆Frontend overhaul directly contributed to platform growth from 1M → 2.5M students.
- ◆Built JEE Main College Predictor — 400K+ users in 48 hours, ranked 2nd on Google Search.
- ◆Integrated WebEngage A/B testing — 28% rise in test completions, 35% rise in Test Analysis engagement.
Codebuddy Pvt. Ltd.
React Developer
- ◆Delivered two production client platforms in 3 months — Freelance Marketplace and Car Rental App.
- ◆Next.js SSR + SWR caching: 45% faster load times, zero stale data. TTFB reduced from 1.3s to 750ms.
- ◆Maintained 6-hour PR turnaround with 5+ production deploys per week.
FWC Inc.
UI Developer
- ◆Built HR SaaS frontend — 3 dashboards (Admin, Manager, Recruiter), 20+ screens, 40+ REST API integrations.
- ◆RBAC implementation reduced role permission bugs by 45%. Page load optimised from 3.4s → 1.8s.
- ◆8+ real-time Chart.js + Firebase data visualisations for company performance tracking.
Live in production.
ChqMe Platform
Full Experience Commerce OS
The full platform — virtual and physical demo booking, consumer discovery, brand CRM, partner portals, and admin console. Serving 20K+ customers with SharkNinja, EcoFlow, Nester, Tiron onboard.
ExperienceOS
B2B Brand Operations Dashboard
Operations dashboard for brand managers — demo pipeline, installation tracking, CDE performance analytics, partner network management, and sales reporting across virtual and physical channels.
ChqMe Booking
Consumer Demo Booking Platform
Consumer-facing booking platform — product discovery, demo scheduling, payment via Razorpay, booking confirmation and reminder flows with SEO-optimised architecture.
ChqMe Ops
CDE Partner Operations Portal
Internal portal for CDE partner teams — demo and installation pipelines, attendance tracking, route planning, and secure RBAC across store, virtual, and self-service workflows.
Experience Portal
Live Virtual Demo Room
Consumer-facing virtual demo portal powered by ZegoCloud WebRTC — live video room creation, participant management, real-time interaction, and session recording for 6,000+ virtual demo sessions.
Quizrr by MathonGo
JEE/NEET Test-Taking Platform
Complete overhaul of the test-taking platform — cut 11,000 lines of legacy code, rebuilt freemium gating, Test Analysis dashboard, and onboarding from scratch. 95+ Lighthouse.
What I Build With
Languages
Frontend
UI/UX Design
Backend
Cloud & DevOps
Integrations
Education
Have a project in mind?
I'm open to full-time Senior Frontend Engineer roles, founding engineer positions, and interesting contract work.