Arnab Chatterjee

Software Engineer

Bengaluru, Karnataka, India5 yrs experience
Most Likely To Switch

Key Highlights

  • Led development for high-impact projects at Amazon.
  • Achieved significant cost reductions through innovative system designs.
  • Built user-centric applications for millions in Fintech and Blockchain.
Stackforce AI infers this person is a Fintech and Blockchain Software Engineer with expertise in scalable web applications.

Contact

Skills

Core Skills

Node.jsReact.js

Other Skills

C++EngineeringJavaScriptOTT QoE Service Insight SolutionProject ManagementRedux.jsSASSTypeScriptVue.jsVuexweb3.js

About

Software Engineer with a background in developing large scale web applications and distributed systems. Currently building systems to make pricing more reliable and competitive across Amazon International marketplaces. Previously, lead frontend teams, designed, architected and built web and mobile apps (>7 million users scale) and wore multiple hats at India's leading Fintech and Blockchain unicorn startups. Throughout my journey, I've had the privilege of collaborating with extremely talented people & diverse teams and contributing to projects that aim to improve user experiences. I'm dedicated to continuous learning and look forward to new opportunities in the field of Distributed Systems, Software & Web Engineering.

Experience

Amazon

2 roles

Software Development Engineer 2

Promoted

Sep 2025Present · 6 mos · Bengaluru, Karnataka, India · On-site

  • Scaling price competitiveness and perception for Amazon Worldwide Retail for 600 Million+ products on every marketplace around the globe.

Software Development Engineer 1

Jan 2024Sep 2025 · 1 yr 8 mos · Bengaluru, Karnataka, India · On-site

  • Amazon Worldwide Pricing
  • Worked on multiple million scale microservices and designed systems that helped with IMR reductions of >$20K a month
  • Service owner and SME for multiple critical systems and business flows, responsible for prices of 100 Million+ SKUs on amazon.com
  • Designed and implemented highly resilient and performant backend services with near real time data flow and hundred-thousands of I/O operations
  • Actively mentored new SDEs and helped SDE Interns grow into the SDE1 role in a highly dynamic and high velocity team
  • Made multiple SDE and Support Engineer hires across our org and other orgs at Amazon by interviewing candidates to Hire and Develop the Best

Push protocol | previously epns

2 roles

Software Engineer 1

Aug 2023Jan 2024 · 5 mos · Belize, Belize · Remote

  • Lead the development of Push Snaps - integrating Push Chat notifications directly into MetaMask Wallet. Working in collaboration with the Consensys Metamask team.
  • Migrated Spaces SDK from LivePeer to LiveKit SDK, resulting in a 60% increase in call throughput and a 80% decrease in server costs. This migration contributed to improved system efficiency and resource optimization.
Node.jsJavaScriptTypeScriptReact.jsProject Management

Software Engineer

May 2023Aug 2023 · 3 mos · Belize, Belize · Remote

  • Designed, architected and developed the Push Spaces SDK: completely customisable, themeable and plug-n-play Community Spaces components for web3 native dApps, in React and TypeScript
  • Migrated entire documentation hub from GitBook to Docusaurus v2 with dynamic deployments using Github Actions

Fi

Software Engineer

Jul 2022Apr 2023 · 9 mos · Bengaluru, Karnataka, India · On-site

  • Joined the Web Engineering team as the 3rd engineer, contributing to early-stage development and growth.
  • Built the frontend for the in-app Fian Chatbot for resolving queries of over 3.2 million users.
  • Built Fi Minutes - the most user friendly way to track your finances, in the form of stories. Used by over 250k users every month, to track their finances, spends, credit history and more.
  • Built Live Charting for US Stocks - real time charts indicating positions in the US Stock Market, powered by TradingView charts, with support for multi touch operations across Android and iOS.
  • Owned the Credit and Lending vertical & created 6 different flows like Liveness, KYC Review, etc. for the ops team to review user's info and approve Loans and Credit Cards with quick TAT.
  • Built multiple flows for cross functional teams and external agents on the internal CX orchestration tool. Used for managing queries of over 10k users everyday.
  • Worked with the Customer Experience team on Web Engineering, Frontend Tooling and In-app webviews.
  • Wrote and contributed to design docs and architecture discussions for the frontend systems and tooling at Fi.
  • Accompanied 6 consultants and 2 interns to understand the codebase and follow best practices while developing.
  • Integrated and built webviews with Android, iOS, Analytics and Infra teams. Worked across multiple verticals of Demystify, Lending, Devops & Infra, CX and US Stocks.

Polygon labs

Software Engineer

Jan 2022Jul 2022 · 6 mos · Dubai, United Arab Emirates · Remote

  • Polygon Wallet Suite v3:
  • Worked on building the 3rd most popular Ethereum dApp on DappRadar from scratch.
  • Created Token Assets Page on Wallet v3 end-to-end with Vue3, TypeScript and Vuex. Used by 2.5M people monthly to manage their token assets.
  • Developed complete user login with web3Modal to token transfer flow. Currently supporting 5+ wallets.
  • Refactored Widget Dashboard and entire App Navigation of Wallet v3, reduced initial page load time from 12s (v2) to 2.5s (v3) (70% reduction).
  • Polygon Hermez:
  • Created a React Webview integrated into Vue & VueX with Wallet Connection POC.
  • Polygon Quest:
  • Developed Polygon Quest end-to-end for onboarding new users onto the web3 space in the most seamless user experience possible.
  • Created twitter flows with TwitterAPI and VueX state management.

Mozilla bbsr

2 roles

Technical Lead

Oct 2021Feb 2022 · 4 mos

Web Developer

Feb 2021Oct 2021 · 8 mos

  • Worked on projects under the umbrella of Mozilla
  • Project Maintainer for HacktoberFest 2021

Microsoft learn student ambassadors, kiit chapter

2 roles

Web Engineering Lead

Sep 2021Jul 2022 · 10 mos

Web Engineer - Frontend

Feb 2021Sep 2021 · 7 mos

  • Worked on MSC's Official Website
  • Lead the development of Daedarus' Hack's Website - International Hackathon with 850+ Participants

Mauka

Frontend Developer Intern

Jul 2021Sep 2021 · 2 mos

  • Developed Mauka Education's Landing Page from scratch using NextJS and TailwindCSS.
  • Implemented multiple dynamic components using MaterialUI and React-Bootstrap.
  • Created Mauka's Blog Site Using React and React-Bootstrap.
  • Worked on Mauka's MVP Webapp, developed components using HTML5 and Bootstrap.

Education

KIIT - Kalinga Institute of Industrial Technology

Bachelor of Technology — Computer Science

Jan 2019Jan 2023

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