RM
Open to opportunities

Hi, I'm

Renji
Mathew

Full Stack Developer · Frontend-led · 5+ years

I build TypeScript-first React frontends, real-time data infrastructure, and product-quality UIs that feel effortless. Currently at Northladder, delivering features end-to-end for 50,000+ daily users.

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Career

Work Experience

Full Stack Developer

(Frontend-led)

Northladder

Dubai, UAE · Remote

CurrentMay 2022 – Present
  • ▸Architected Next.js (TypeScript) features end-to-end with SSR, improving page load times by 40%
  • ▸Built real-time communication (live chat, notifications, inventory updates) with Socket.io
  • ▸Integrated GraphQL + React Query, reducing API calls by 60% via smart caching
  • ▸Applied strict TypeScript with Zod schema validation at all API boundary layers
  • ▸Built Fastify (TypeScript) backend services handling 50,000+ daily requests
  • ▸Developed React Native apps for iOS & Android with 95% shared codebase
  • ▸Mentored junior developers through code reviews and technical discussions
Next.jsTypeScriptReactReact NativeFastifyGraphQLSocket.ioPostgreSQLRedisZod

Lead Flutter Developer

Xcelpros Technologies

Bengaluru, India

May 2020 – April 2022
  • ▸Led development of 4+ cross-platform mobile apps with 4.5+ star app store ratings
  • ▸Integrated Agora SDK for live video streaming supporting 1,000+ concurrent sessions
  • ▸Built RESTful and GraphQL APIs with Node.js/Express for mobile backends
  • ▸Integrated Firebase Authentication, Firestore, and Cloud Messaging
  • ▸Achieved 85%+ code coverage with widget, unit, and integration tests
FlutterDartNode.jsExpress.jsFirebaseAgora SDKGraphQL

Mobile Application Developer

Qkopy

Kozhikode, India

April 2019 – May 2020
  • ▸Built native Android applications in Kotlin with Material Design and Jetpack components
  • ▸Implemented offline-first persistence using SQLite/Room database
  • ▸Integrated payment gateways, social auth providers, and analytics SDKs
KotlinAndroidSQLiteRoomFirebaseJetpack

Toolkit

Skills & Technologies

Frontend

React.jsNext.jsTypeScriptJavaScriptTailwind CSSHTML5CSS3Zod

State & Data

ReduxZustandReact QueryContext APIGraphQLSocket.iogRPC

Backend

Node.jsFastifyExpress.jsRESTful APIs

Mobile

React NativeFlutterKotlinAndroid

Databases

PostgreSQLMongoDBRedisMySQLFirebaseFirestore

Infra & Tooling

AWS (EC2, S3, CloudFront)DockerGitCI/CDJestWebpack

Education

Bachelor of Computer Science

Calicut University, Wayanad, India · 2015–2018

React Native DevelopmentNode.js BackendAWS Cloud Practitioner

Portfolio

Key Projects

Dealer & Retailer B2B Platform

A comprehensive B2B platform for the asset trading industry with real-time inventory updates, live chat, automated order management, and cross-platform mobile apps serving 50,000+ daily users.

SSR with 40% faster page load times
GraphQL + React Query — 60% fewer API calls
Real-time inventory & notifications via Socket.io
Next.jsReact NativeTypeScriptFastifyGraphQLPostgreSQLSocket.ioRedis

Hyfin Financial Management App

A mobile-first financial management application with real-time transaction tracking, budget planning, smart alerts, and live notifications for critical financial events.

Cross-platform iOS & Android with 95% code reuse
Real-time financial alerts via Socket.io
Offline-first architecture with background sync
React NativeTypeScriptNode.jsSocket.ioReduxPostgreSQL

Real-time Video Conferencing Platform

A high-performance video conferencing solution supporting 1,000+ concurrent sessions with screen sharing, in-call chat, session recording, and real-time participant management.

1,000+ concurrent video sessions via Agora SDK
4.5+ star rating on app stores
85%+ test coverage across all modules
FlutterDartAgora SDKFirebaseNode.jsExpress.js
10+ published applications on Google Play Store and Apple App Store

Let's Talk

Get in Touch

I'm open to senior frontend/full-stack roles, freelance projects, and collaboration. Feel free to reach out — I'll get back to you promptly.

Location

Wayanad, Kerala, India