Feb 2021 – May 2023 · 2 yrs 3 mos · Greater London · Hybrid

• MyQL with RocksDb, Tao, GraphQL, REST, graph api, TAO, Distributed Systems
• Shops Catalog - Multi-billion $ - SQL, GraphQL, REST, graph api, TAO, Distributed Systems, Facebook cloud
• Led privacy-driven decoupling of commerce data from ads to meet EU regulations, safeguarding multi-billion-dollar
• business; drove XFN alignment, 30+ code reviews, and privacy/integrity team reviews. On time delivery.
• Designed seller appeal APIs for catalog rejections, improving successful appeals by 93% for enterprise merchants.
• Boosted async catalog pipeline reliability, reducing dropouts by 90%, stabilizing high-value workflows.
• Architected test caching framework, delivering 54% faster execution and 99.9% timeout elimination
• Creators as Marketers - Affiliate Payments - React, SQL, GraphQL, graph api
• Built creator affiliate payment pipeline enabling commission-based earnings on Facebook Shop purchases providing
• first-party shopping signals to offset cookie deprecation; scaled to hundreds of thousands of payments weekly
• (millions monthly)
• Lenovo: Gurgaon, Technology Architect IOT: August 2019 to Jan 2021
• Qualcomm: Noida, Sr. Engineer: Sept 2010 to May 2019
• 2010 and Before: Multiple positions in companies like Microsoft, Adobe etc.
• Exact roles and dates available on LinkedIn: www.linkedin.com/in/pankaj-sw-architect
• EDUCATION
• COMPUTER ENGINEERING, NSUT DELHI (TIER 1), 44TH RANK IN ENGINEERING ENTRANCE ALL INDIA
• Architected payment infrastructure integrating with Meta's payments platform, handling reconciliation, fraud
• detection, and AML/KYC compliance at scale using Hack/PHP and Python.
• Drove consensus across Privacy, Integrity, Payments, and Legal teams, navigating complex compliance reviews
• and launching across multiple markets.
• Click to WhatsApp - Ad Monetisation - ~$500M opportunity
• Developed Click to WhatsApp button for Facebook advertisements, enabling direct customer engagement and
• creating $500M annual revenue opportunity.

Aug 2019 – Jan 2021 · 1 yr 5 mos

• Apache Flink, Kafka, RabbitMQ, Kubernetes, RocksDB, TSDB, MongoDB, Node.js, REST APIs
• Commercial IOT Platform – Billion$ plus revenue stream for Lenovo
• Architected and scaled real-time IoT analytics platform from 10K to 150K events/second through three major
• architectural iterations using Flink and Kafka for 100 million+ commercial iot devices.
• Optimized distributed state management by redesigning Flink pipeline to use keyed state partitioning, achieving
• O(1) local state access and eliminating lock contention across parallel tasks. Reduced latency by 50% (500ms →
• 250ms P99), cut memory usage by 30% through proper Kafka partitioning strategy and RocksDB backed state storage.
• Delivered production-grade reliability with 99.9% uptime, processing millions of telemetry events daily from global
• IoT device fleet with sub-200ms P99 latency.
• Implemented Kubernetes-based auto-scaling for Flink jobs and built Actions & Integrations layer enabling seamless
• 3rd-party system connectivity.

Aug 2019 – Jan 2021 · 1 yr 5 mos

• Directed the conception and strategy for a Commercial IoT Platform, achieving real-time monitoring capabilities for a massive device network. • Pioneered AWS Lambda pipelines and Typescript micro-services for device management and analytics dashboards. • Transitioned data handling from RDS to MongoDB, optimising event-driven processes with RabbitMQ and SQS. • Transitioned to Kafka from SQS to make use of multiple consumers using the message when the requirements expanded • Integrated Datadog observability platform.

Sep 2010 – May 2019 · 8 yrs 8 mos

• Project Commercial IOT Platform
• Tech Stack C++, IOT, Angular-Js, Typescript, Git, Microservices, AMQP, MQTT, REST, MongoDB, AWS , python
• My Role ● Did Initial scoping and roadmapping with my manager and cross functional teams.
• ● Created overall microservices based architecture with a team, using multiple design discussions
• ● Designed microservices for vendor integration, UI using angular-js, Typescript
• ● Designed Internal messaging using AMQP, and external using MQTT. Iteratively worked on
• making it scaleable to billions of messages a day.
• ● Created pipeline to auto discover issues with deployed commercial IOT devices, and issue
• servicenow requests for replacement automatically, saving 50% manpower for Lenovo.
• ● Designed using DocumentDb and RDS(MySql) databases on AWS as database engines
• ● Designed AWS Cdk-cloudformation script to automate fresh deployment
• ● Scaled project to deployment in multiple regions, overall additional revenue for lenovo in
• hundreds of millions of dollars
• ● Designed C/C++ based agent software for IOT devices. DS used – STl vector, Stl Map etc
• ● designed deep learning module to improve detection of anomalies in python
• Indoor WIFI based location project - C++ with STL, data structures, algorithms, profilers
• ● Made in C++ on Linux, project uses STL data structures extensively – maps, ArrayLists etc.
• ● deployed it on major sites in the US remotely.
• ● Worked on multiple releases of location server
• ● Aligned with major customer NSN to tweak server according to NSN’s needs.

Sep 2010 – May 2019 · 8 yrs 8 mos

• Led development of highly performant WIFI data analyser, pivotal in expanding Qualcomm's global router software market[C++] • Made indoor WIFI location server, boosting performance for major clients like NSN and contributing to product launches with substantial revenue impacts. • Optimised cross-compilation workflow for Linux IoT kernels, enhancing OpenWrt system performance[C++] • Developed a TypeScript-based, cloud-native suite of micro-services for WIFI data anomaly detection, leveraging AI for real-time threat identification, significantly bolstering infrastructure security.

Aug 2009 – Aug 2010 · 1 yr · Gurgaon, India

• Routing Engine – C++, Linux
• Routing data collector - Collects routing data from networks with various protocols and sends it downstream for annotation with other data, for aggregation.
• Distributed architecture with inter-process interaction via sockets
• Design principles used: Followed OO principles SRP, OCP
• Development on Gnu C++, multithreading using posix threads.
• Algorithms & Data structures– STL vector, STL map, tries
• Design patterns used: Reactor

Sep 2007 – Aug 2009 · 1 yr 11 mos · Hyderabad, Telangana, India · On-site

• Technology VC++ - VS 2008 team edition used, Win32 programming, Multithreading
• Rational Purifyplus, MSI - installshield
• C#, ASP.NET, SOAP, SQL server 2005
• Flex, ActionScript (AS3)
• Citrix platform for application virtualization.
• SDLC model Iteration based development, using visual studio team suite tools
• My; Requirements gathering, architecture and overall design of Routing engine
• Developing , debugging, bug-fixing of major areas, POCS
• Fix heap corruption issues
• Tracking and updating modules progress, training and mentoring of new members.
• Deployment, post deployment assistance.
• Projects Remote Demo Launcher (Team size 5)
• Part of solution that takes user to demo of remotely-hosted software on his browser window. Uses Citrix
• application virtualization technology
• Bootstrapper exe that is run on a client computer, taking user to demo installing Citrix client if needed.
• o Made in VC++. Multithreaded using MTA. Used Win32 API extensively.
• o Design patterns used­ Factory, singleton.
• o ATL based UI, interacts with main module using windows messaging, message pools.
• o Sends state change, error reports to remote web service using soap over http.
• o SQL db ­ used open sqllite library to get cookie information from chrome, firefox browsers
• o C# - clickonce based bootstrapper alternative for client machines having .NET 2.0+. ASP.NET web service to which other module report session state data, errors via SOAP. Interacts with SQL server database for reports generation, error tracking. Launch demo of remote software inside a web page directly without any clicks in seconds
• WPF webpage enveloping the flash client, providing it information on which demo to launch.

Nov 2005 – Sep 2007 · 1 yr 10 mos

• SDE ­ level 61
• Technology VC++, .NET 2.0, C#, SQL server 2005, multithreading, design patterns
• SDLC model Staged Waterfall model, Scrum
• My; Made functional specs, design of multiple modules ­ using oo design principles
• C/UT of modules
• System testing, onsite deployment, bug fixing
• Mentoring of new hires, vendors, and giving informal feedback on them to managers.
• Projects CAP 6.0
• Data warehouse and related components. For Windows Live team. Made on SQL server 2005
• Scheduling system V1.0 (C++ - managed code, SQL, .NET 2.0)
• o Schedule, run, track multi-server-warehouse jobs of various types.
• o Multithreaded development
• o Design patterns used : Thread pool
• o Handles inter-dependencies between tasks
• ETL pipeline
• Cube processing feature (C++):
• o Framework to automatically process analysis services cubes. Does partial processing only for
• the dimensions affected
• o Multithreaded
• o Error recovery

Oct 2002 – Feb 2005 · 2 yrs 4 mos · Noida Area, India

• Projects and My role in them
• Adobe Photoshop plugins team
• Development and maintenance for photoshop plugins
• Porting to adobe illustrator, Maintainance