A

Arun Prasath Arunachalam

CTO

Bengaluru, Karnataka, India22 yrs 8 mos experience
Highly StableAI Enabled

Key Highlights

  • Led large-scale Android platform initiatives across multiple countries.
  • Pioneered Alexa technologies impacting 20% of global traffic.
  • Developed innovative mobile strategies for Amazon India.
Stackforce AI infers this person is a Mobile and Advertising Technology expert with extensive experience in engineering leadership.

Contact

Skills

Core Skills

Android DevelopmentEngineering LeadershipVoice TechnologyAi DevelopmentMobile DevelopmentTechnical LeadershipAdvertising TechnologyBusiness StrategyData AnalysisTeam LeadershipProduct Management

Other Skills

AIAlexaAlgorithmsAndroid CoreOSAndroid LongevityAndroid StorageAndroid peripheralsAndroid platformApplication ArchitectureArchitectureArchitecturesBackend servicesBackup and RestoreBig DataBig data mining

About

Technical leader with experience working on diverse large scale architectural problems and leading big teams of technical staff. Areas of expertise include enterprise software (Trilogy), highly scalable products and mobile applications development (Google and Amazon), Customer acquisition/retention through SEO/SEM & advertisement/marketing tech (@Walmartlabs), Application architecture for Spoken Language interfaces like Alexa (Amazon) and Mobile operating Systems (Google). Of late, I'm leading engineering teams across India, London and Singapore on various Android platform initiatives at Google. Specialties: technical - speech applications, display advertising, planetary scale distributed applications, online marketing, memory management architecture, mobile applications (web and native), social networking apps, operating systems; management - eng/project/product/program/business management; Big data pipelines; Business strategy; Building partnerships; Product strategy;

Experience

22 yrs 8 mos
Total Experience
4 yrs 4 mos
Average Tenure
11 mos
Current Experience

Coupang

Principal Engineer / Sr Director

Jun 2025Present · 11 mos

Google

2 roles

Principal Engineer / Engineering Director

Promoted

Aug 2022Jun 2025 · 2 yrs 10 mos

  • Uber Technical leader / Engineering Director, Android CoreOS teams (India, Singapore, London)
  • Played a critical role in fundamentally redesigning, seeding, stabilizing and growing the Android platform team in India amidst highly dynamic changes.
  • Play (Backend services, search, frontend, mobile app), Android Storage experiences, PDF Viewer platform, Android peripherals (USB, Print), Files by Google, Messages by Google, Android System UI, Backup and Restore (Android setup/onboarding), Wallet by Google, Android Longevity, Android for India experiences, HTML5 gaming experiences.
Android CoreOSBackend servicesMobile appAndroid StoragePDF Viewer platformAndroid peripherals+7

Principal Engineer

Jan 2022Jul 2022 · 6 mos

  • Android platform
Android platformAndroid Development

Amazon

2 roles

Principal Engineer

Jul 2018Jan 2022 · 3 yrs 6 mos

  • Alexa Household Organization - "organize the personal lives of Alexa's customers". Personal assistant that helps you manage your alarms, timers, reminders, weather, calendar, kitchen and so on through memory and AI. Uber technical lead for a collection of deep Alexa technologies that collectively constitute ~20% of all Alexa traffic worldwide.
  • Directly owned and drove a cutting-edge Alexa S-Team goal with endemic technical and organizational complexity, by means of hands-on design work.
  • Was on multiple company-wide Principal level promotional panels as pre-reviewer and later on as shepherd to train and help other Principal Engineer pre-reviewers.
AlexaAITechnical leadershipVoice TechnologyAI Development

Principal Engineer

Sep 2015Jul 2018 · 2 yrs 10 mos

  • Started out as sole Principal Engineer in org of 400+ engineers.
  • Predominantly on Amazon India Customer Experience Tech - Mobile experience (native/web), Latency optimization, Category experience, Traffic, New Initiatives & Inorganic opportunities.
  • Peripheral contributions on Seller Tech and Payments.
  • Technical advisor for Country Head/SVP on mobile roadmap, modern technologies and technology acquisitions.
  • Delivered influential blueprints and roadmap vision documents with high visibility that influenced work in the org for several years to follow. Was directly in charge of multi-year innovation roadmaps for Amazon India's mobile strategy, partnering with product leaders to come up with ambitious but grounded projects, first of their kind across Amazon Retail.
  • Directly owned and delivered gnarly complex projects such as HTTP->HSTS migration cutting across unknown number of teams and organizations across the company.
  • Grew senior most talent in the organization and actively partnered with HRBP to design and implement people programs towards engineering excellence and growth.
Mobile experienceLatency optimizationTechnical advisoryMobile DevelopmentTechnical Leadership

@walmartlabs

Director - Engineering

May 2015Aug 2015 · 3 mos

  • Leading the display advertising channel/team for walmart.com - Building technical integrations, external partnerships - tech platforms and DSPs, managing funds and investments. Full end-to-end ownership of channel - vision, strategy, business management and execution.
  • Started off as the first engineer in the group, built the foundational real-time + analytics data pipelines and partner integrations singlehandedly, moving on to owning the area in a GM role. Built partnerships with 15+ companies in the ecosystem (Criteo, Twitter, Google, Facebook, Triggit, etc...) to deliver the highest performance seen within WalmartLabs on a display advertising channel. PoC-ed the channel with a small budget and high efficiency paving the way to substantial investment in the channel.
  • Personally managed $2M budget over the year to direct various product, business and tech investments to deliver a revenue of $200M for Walmart. Built a reputed strong team of engineers personally to deliver on this high impact mission.
Display advertisingTechnical integrationsBusiness managementAdvertising TechnologyBusiness Strategy

@walmartlabs

Principal Engineer

Feb 2012Apr 2015 · 3 yrs 2 mos · Walmart Labs, Bangalore

  • Leading the display advertising initiative for walmart.com.
  • Prior to that, I worked on mining big-data associated with 'search queries' so as to help Demand generation for Walmart.
Big data miningSearch queriesData AnalysisAdvertising Technology

Google

Tech Lead / Engineering Manager

Aug 2007Mar 2012 · 4 yrs 7 mos

  • An engineer in Google's product teams.
  • Global mobile news: May 2009 onwards - Technical lead for global mobile news efforts at Google. Launched redesign of mobile news for Android and iPhone browsers globally. Completely rearchitected and delivered a new high scale frontend service from scratch for Google news globally. Managed team of engineers working on news experiences for mobile phones and tablets and led a highly ambitious state of the art tablet project for elevating the News reading experience for Google's users.
  • Mobile orkut: Sep 2008 - May 2009 - Technical lead of Mobile java application for orkut. Launched V1 of the J2me Orkut App in India and Brazil.
  • Google Gears: Apr 2008 to Aug 2008 - Technical lead on Google Gears projects from Bangalore related to imaging and audio. Launched basic Canvas API and came up with proposal for Audio and Canvas API. These went on to lay the foundation for W3C APIs commonly found on the web today. The specific implementation was absorbed by Google Wave for its high performance web animation work.
  • Youtube: August 2007 till March 2008 - Technical lead and Engineer for one of the first monetization projects related to badging copyright infringing user content and music. Launched music-buy and badging features on Youtube. Developed full stack experience delivering project across watch page, content admin and partner portal. First (and possibly only) engineer in India ever to have launched a change on the highly sensitive Youtube watch page.
  • Also, a full time interviewer for software engineer positions at Google India.
Mobile newsFrontend serviceTeam managementMobile DevelopmentTeam Leadership

Trilogy

2 roles

Senior Associate

Promoted

Jul 2004Aug 2007 · 3 yrs 1 mo

  • 1. Development manager of the Configuration Solutions Business Unit dev team - Planning, tracking, managing product releases and providing visibility to customer facing personnel/customers, as appropriate.
  • 2. Technical lead for a team of size 6-7 - 3.5 years of technical expertise in Trilogy's configuration solutions products like SalesBUILDER and MultiChannel Commerce, deployed with customers like SGI, NCR and Avaya, covering breadth of technologies (C++/Java/web-technologies/COM-Windows applications) across multiple DB/Server/OS platforms.
  • 3. Design architect for migration of Trilogy's configuration solution for Avaya.
  • 4. Design and code reviewer for issues developed by senior developers in the team.
  • 5. Technical Interviewer for Trilogy/Versata (campuses like IITs, Anna University, Pune University, NITs, et cetera.. and industry hires).
Configuration solutionsProduct releasesProduct ManagementTechnical Leadership

Associate

Jun 2003Jul 2004 · 1 yr 1 mo

Education

Indian Institute of Technology, Madras

B.Tech. — Computer Science and Engineering

Jan 1999Jan 2003

Stackforce found 100+ more professionals with Android Development & Engineering Leadership

Explore similar profiles based on matching skills and experience