Satender Saroha Email & Phone Number

San Francisco, Ca, Us

Menlo Park, Ca, Us

Built the ML Pipelines and AutoML (0->1 effort) platform to enable developers to programmatically specify ML pipelines run (Data validation/transformation, trainers, eval, publish) for use by ML developers at Meta (across Ads, Integrity, FBApp)- Delivered e2e observability into components of the training stack from data ingestion to preprocessing to trainers to checkpointing to evaluation to rapidly detect, debug the bottlenecks in the pipeline. - Grew teams responsibly through hiring and growing senior leads(E6, E7) and EMs.

Seattle, Wa, Us

Built the engineering team embedded with scientists from ground up in ML/Deep Learning space focused on product-ionizing Speaker Recognition ML models (identifying who is speaking to Alexa) with accuracy levels that allow for personalization and authentication use cases when says “Who am I” to Alexa. Team was specifically focused on:- Building and deploying robust, wicked fast speaker recognition models for inference on device and cloud.- Enable Fast model experimentation with ML training workflow automation- Built self-serve analytics tools to provide insights into accuracy (reducing FAR and FRR) and identify causes for model weakness.- Grew team from 2 scientists to 15 engineers+scientists across two sub-teams, growing and hiring L5 and L6s.

Sunnyvale, Ca, Us

- Managed the team building high scale video analytics pipeline for realtime and offline insights into playback quality, user engagement using Hadoop/Redshift. Built ML based prediction models to optimize CDN routing configurations. This pipeline was used to deliver the first NFL live event streamed on the internet- Supported mobile Video SDK team for Android and iOS to provide wicked fast playback experiences across Yahoo apps.- Led a v-team of VR enthusiasts to build live 360 monoscopic and stereoscopic streaming capability across desktop and mobile. - Delivered video monetization capabilities for live streaming with dynamic midrolls Ads insertion and video ads performance measurement.

Sunnyvale, Ca, Us

As a video architect, improved the streaming quality and playback performance across Yahoo network, resulting in significant jump in number of streams on Yahoo, bringing its ranking up to 3rd. Specific projects include:* End to end analytics pipeline using ATS, Hadoop, Redshift.* Rewrite of mobile optimized Video Player from ground up, leading to size reduction by 60%.* Broke the 1-second barrier, reducing playback performance latency by 50%. As a result time to show first frame to user on Yahoo homepage reduced to 500 msecs.* Move away from RTMP Flash based streaming to modern HTTP based streaming protocols(HLS) to improve playback quality. * HTML5 DASH based adaptive streaming playback using media source extensions.* Built the Subscription Video tech from ground up, both payments and DRM (Adobe, Apple FairPlay) across transcoding pipeline, CDN delivery and playback of encrypted streams in player.* Presented Yahoo Tech Pulse, on video tech advancements to provide error free, sub-second playback with DASH.

Sunnyvale, Ca, Us

2011- 2013 - Principal Engineer/Architect for Payments Platform India team * Wrote Payments SDK for native devices in iOS and Android for use in Livestand and Flickr in the near future * Exposed Ordering APIs on top of Yahoo! home grown key-value store Sherpa with eventual consistency guarantees removing the dependency on Oracle DB for horizontal scaling. * Improved page load time of Front end pages by 10% * Built “Search with Camera” feature for Y! Axis iOS app during one of the hack days * Guided implementation of a log analysis application using hadoop to provide actionable information to customer care2009 to 2011 - Principal Engineer/Architect for Payments Platform US teamArchitect in Paid Services Infrastructure group responsible for building global ordering, billing, provisioning and payments platform processing upto $2 billion dollars in premium services and advertising revenue.As the architect, designed and oversaw the implementation of Prepaid Customer Portal as part of Microsoft Search Alliance. Processed advertiser click-activity feed from Microsoft, to auto top-up funds in advertiser accounts to keep ads online. System is designed to recover from multiple failovers at different points in the chain with built in retry mechanisms.

Sunnyvale, Ca, Us

Managed a team of five engineers working on Billing and Provisioning system to support features like subscriptions, one-time services, discounts, campaigns. Championed best practices of clean interface design with unit tests for new and existing classes.

Sunnyvale, Ca, Us

- Led the effort to re-write wallet(previously using deprecated htmlforms) in PHP/C++ to store multiple payment methods securely in Yahoo! Wallet.Worked with product management to define and implement features in billing and payments space.

Sunnyvale, Ca, Us

Basking Ridge, Nj, Us

• Designed and developed the framework for persisting the C++ objects into Oracle Database using Pro C library APIs.• Ported Unmanaged Legacy C++/CORBA Applications that Interact with DB2 Mainframes into WebServices on .NET/C#

Us

• Defined the architecture of the Router Subsystem capable of handling messages from diverse signaling stacks independent of the underlying protocols. • Analyzed the Boost C++ library for using the Smart pointer and threading components of the library available as part of the upcoming C++ standard.

• SS7 Signaling Gateway call Controller (pstn->ip) for the megaco VoIP Soft Switch • CORBA C++ interface for Configuration and Control of diverse element resources• Evaluated third party components e.g. protocol stacks, compiler, middleware

New York, New York, Us

• Short stint in fixed income group. Developed a CORBA based Load Balancing Service. Client side implementation used TIBCO Rendezvous

Us

• First assignment in US for Undersea cable network management. Developed framework for transparent access to CORBA services like the Event Service, Naming Service for NMS• Technologies used: Rational Rose, UML, Visio, C++, Solaris, ORBACUS, XML

Mumbai, Maharashtra, In

Client: Nokia Networks, Finland• Designed and developed restricted version of the OMG CORBA Notification Service spec.• Designed and developed C++ library for threading and real-time persistence to in-memory objects using mmap• Technologies used: Rational Rose, SELECT, UML, C++, Multithreading, Frameworks, ACE TAO, Solaris, ORBACUS, Embedded OSE, Oracle, XML.

Btech, Computer Science

Engineering Leadership Professional Program (Elpp)

Online Course On Machine Learning By Professor Andrew Ng - No Accreditation

Education record