May 2024 – Aug 2024 · 3 mos · Bengaluru, Karnataka

Aug 2023 – Apr 2024 · 8 mos · Bengaluru, Karnataka, India · On-site

• Responsible for the delivery of the Common Services track of CloudXP (Jio's hybrid and multi-cloud management platform - https://www.jio.com/jcms/cloudxp/) spanning user management, organization hierarchy, notifications and collaboration sub-tracks
• Delivered overall observability on user-onboarding based on Elasticsearch and Superset to track per-user onboarding journeys, to report per-organization user onboarding summaries as well as to reduce customer and operational pain-points in detecting and remediating issues in the onboarding flow
• Led the redesign of the users' Order Management journey (post onboarding) to reduce development effort and complexity by upto 40% in supporting new order types. Also acted as technical product owner interfacing with internal and external customers (Govt. of India technical departments)

Mar 2021 – Aug 2023 · 2 yrs 5 mos · Bengaluru, Karnataka, India · On-site

• Built and coached a 18-member engineering team owning multiple services to support Ajio's Storefront
• Delivered new capabilities on Ajio's B2C and Storefront - Ratings & Reviews, Ajiogram (Social Commerce), Coupon Bonanza, Assured Gifts and Dynamic Urgency Drivers to drive funnel conversion and user engagement.
• Started innersource initiatives to reduce development times by ~20%, notably a caching library based on Redis with built-in observability metrics exported to Prometheus/Grafana that reduced ~5-7 days of effort in the development of new microservices
• As part of shift-left initiatives, introduced contract-driven development using OpenAPI, Postman and Specmatic to improve quality and increase team productivity in the development of new APIs
• Scaled the services for multiple Big Bold Sale events for 50K+ TPS and < 200 ms RTs.

Jul 2020 – Jan 2021 · 6 mos

• Led the architecture evolution of the Merchant domain’s front-office, back-office and core services to support customizations for multiple Sodexo operating countries
• Led the development of a JIT-funding functionality in Zeta’s Fusion product (https://fusion.zetaapps.in)

Jan 2020 – Jul 2020 · 6 mos

Feb 2019 – Dec 2019 · 10 mos · Bengaluru, Karnataka, India

• Materiall (now Unisense - http://unisense.tech) is a AI-based product discovery startup incubated in AmberTAG to deliver in-session personalized recommendations on users' browse sessions using a nuanced understanding of customer behavior and preferences, leading to increased conversions (upto ~20%), user engagement and customer satisfaction.
• Led the architecture revamp of the Materiall personalized recommender with ~8X TPS and 3X response time improvements, and integration with e-commerce aggregators.
• Developed the Materiall Console to streamline and automate the refresh of Materiall's augmented product catalogs with additions/deletions to the customers' product catalogs, tagging and enrichment of product catalogs with recommender-specific attributes using Airflow, Angular and Python, leading to ~8x improvements in lead-time for new integrations
• Led technical pre-sales initiatives to showcase the improved relevance offered by the Materiall recommender by analyzing user-click data and deriving relevance-related metrics on the product listing pages. Google BigQuery, Airflow and Python was used to monitor and track the relevance metrics in near-real time.
• Built organizational capabilities in data engineering, web development and server-side engineering

Sep 2018 – Jan 2019 · 4 mos · Bengaluru, Karnataka, India

Mar 2017 – Aug 2018 · 1 yr 5 mos · Chennai, Tamil Nadu, India

• Responsible for the India team working on Paypal's large-scale data movement platform that replicated data from site-site (OLTP) databases to analytics datalakes including Teradata and Hadoop.
• Led the development of a data validation tool to onboard data sources and destinations and verify data integrity after each replication.
• Led the technology evaluation initiatives to build a real-time streaming platform (Core Data Highway), with PoCs across Kafka Connect and Spark to deliver data from Kafka topics to Hadoop and other batch systems.
• Led the conceptualization and development of SRE tooling for data movement infrastructure, using Kafka and complex-event processing with WSO2, leading to 10-20X reduction in manual operational efforts to detect and remediate potential SLA-breaching issues before they can manifest

Jul 2014 – Mar 2017 · 2 yrs 8 mos · Chennai Area, India

• Xoanon Analytics optimizes segmentation models by bridging market research and user behavior data through Big Data analysis
• Part of the core (CTO) team leading the data platform and application teams. Wearing multiple
• hats as overall engineering lead of Xoanon Analytics' suite of products for providing telecom analytics as SaaS.
• Built a Hadoop-based data management platform to process more than 50 GB on data per day, collecting and processing data from Oracle Exadata, social media (Twitter, Facebook) and customer surveys
• Built serving systems to operationalize analytics insights on customer behavior via REST APIs and web applications using MySQL, Elasticsearch, Dropwizard and Angular
• Researched on PII data in telecom call data and social media records based on NIST guidelines, designed and implemented a data anonymization and secure de-anonymization system based on SSO and RBAC
• Designed secure RESTful APIs or integrating external applications with Xoanon's insights databases
• Setup Agile engineering processes and systems

Sep 2013 – Jul 2014 · 10 mos · Chennai Area, India

• Designed and implemented a high-throughput OpenRTB 2.x connector for real-time bidding as part of the development of a DSP, that was critical to YuMe's plans for entering the programmatic media-buying market.
• Responsible for enhancing YuMe's high performance ad servers to handle ~1 billion ad impressions a month with sub-10 ms latency. Introduced async architecture to scale the throughput of YuMe's products (by 7-10X)
• Keywords: OpenRTB, ad exchange, SSP, scalable, high-througput-low-latency systems, asynchronous web architectures, Linux

May 2007 – Sep 2013 · 6 yrs 4 mos · Chennai Area, India

• Architect working with geographically distributed teams as part of Charging and Policy control in Ericsson's Charging System offering. Shared responsibility for overall technical vision, setting the technical roadmap with a focus on decreasing product TCO for customers and contributing to Ericsson's product strategy and thought leadership in the areas of Charging and Policy control.
• Keywords: Highly-available, fault-tolerant cluster architectures (HW and SW); concurrent, scalable and low-latency systems, IMDGs and distributed NoSQL databases, Component-Based Architecture (CBA), Linux
• Technical Product Manager/Architect of SUF - an automation and orchestration framework/tool to significantly reduce the cost, complexity and time for performing software and system upgrades of Ericsson's Charging System nodes.
• Worked on features of Ericsson's Multi-Mediation product
• Keywords: Software and system architecture, DSL design, design patterns, Java, Linux

Dec 2005 – May 2007 · 1 yr 5 mos · Chennai Area, India

• Maintenance lead for the platform modules of a MultiService Switch. Worked on feature additions and studies for platform enhancements and responsible for resolving issues outstanding from previous releases critical to the success of the product.
• As a side initiative, developed an automatic metrics collection and reporting tool in Python to analyze issue and branch activity logs in Clearcase and DDTS to aid and improve the reporting of project SLAs.
• Keywords: HA middleware, multi-processor architectures, real-time systems, ChorusOS, C++, Python

Aug 2003 – Oct 2005 · 2 yrs 2 mos · Gothenburg, Sweden

• Surveyed the state-of-art techniques and tools to collect, process, analyze and visualize data communication traffic traces on a 10 Gbit/s backbone. Identified the Crypto-PAn - a cyrptography-based sanitization library, for prefix-preserving IP address anonymization that's consistent across multiple traces, as one of the main tools in the processing tool-chain. Contributed to ipsumdump and AutoFocus FOSS tools in the process.
• Implemented a new method of identifying P2P traffic by mining packet payloads for IP addresses (by matching payload contents against known P2P payload signatures) and port numbers exchanged between nodes and supernodes during a node's startup and using those to iteratively identify flows and hosts that are part of the P2P network.
• Keywords: Internet traffic analysis, CAIDA tools

Jun 2000 – Jul 2003 · 3 yrs 1 mo · Bengaluru Area, India

• Worked on the design and development of a format converter for an electron-beam mask mask writer involving very large datasets
• Worked on the porting of a telco-middleware platform from Windows NT to Tru64.
• Developed a backup tool on Linux, similar to Iomega's QuickSync
• Reverse-engineered and modified the indexing and search algorithms of the open-source search engine, Isearch (http://en.wikipedia.org/wiki/Isearch) for use in an internal document-search system.
• Keywords: Tru64, TruCluster, HA middleware, CORBA, DCOM, text indexing and search, C, C++, Solaris, Linux

Oct 1998 – May 2000 · 1 yr 7 mos · Bengaluru Area, India

• Developed several modules of a mediation platform based on Linux and prototyped it to DoT, Cochin.
• Keywords: Telecom mediation, ASN.1, C, C++, Linux