Oct 2022 – Present · 3 yrs 7 mos

• Led the transition to a multi-tenant architecture, transforming renowned products like Blackduck, Coverity, and WhiteHat into a Microservices framework integrated with the Polaris SAAS Platform. This innovation standardized interaction patterns and significantly reduced scan durations.
• fastSCA on Polaris:
• Led two scrum teams in designing a scalable architecture for fastSCA, delivering a set of asynchronous microservices integrated with Polaris SAAS Platform.
• Architected Signature scanning and Package Manager scanning features within fastSCA on Polaris.
• Redefined the data model for Issues/Vulnerabilities, streamlining their ingestion into the Issue Life Cycle Manager.
• Designed a poll-based system for fast Async upgrade guidance for vulnerabilities using Springboot services, RabbitMQ, and Google Dataflow.
• Separated scan farms from the Polaris SAAS platform while creating a shared system to serve various product needs.
• fastDast on Polaris:
• Successfully led two scrum teams in architecting and delivering fastDast, a dynamic site vulnerability scanning solution.
• Resolved integration challenges and introduced a microservices-based architecture.
• Designed a micro-batch-based vulnerability ingestion system, enhancing efficiency.
• Leveraged GKE Kubernetes, Google Dataflow, and RabbitMQ for seamless operations.
• Synopsys Identity:
• Identified the necessity for a unified federated Identity for Synopsys products, initiating an architecture and rollout plan.
• Explored various Identity technologies and finalized Auth0 as the chosen solution.
• Led a scrum team to seamlessly integrate Polaris SAAS platform with Synopsys Identity through Identity federation.
• Observability:
• Led initiatives to revamp the observability framework in products and Polaris SAAS using Open Telemetry-based Datadog.
• Led a scrum team in identifying the four golden signals of observability and overhauled metrics and monitoring across the product suite, improving overall system reliability.

Jan 2019 – Present · 7 yrs 4 mos

• Came up with the technical strategy for the cloud adoption of the advertising platform. This involved identifying the cloud readiness, working with engineering teams to understand the functionality, identifying the systems that require re-architecture and the preparing technical plans for the same.
• Architected the data processing infrastructure in the cloud including the storage of the raw data and the data pipelines using AWS MSK(Kafka), EMR, S3, Airflow, Spark Structured Streaming & Data Frames api, Glue and Snowflake
• Architected key data pipelines to process ad impressions, clicks and conversions to come up with accurate metrics like Cost per Mille (CPM) required for Spend check and Campaign pacing by the AdServer. These pipelines are used for running various Machine learning models.
• Architected a Caching solution to combine the data required by the AdServer for the Spend check and reduce the latency
• Architected RESTful micro service using SpringBoot, DynamoDB, AWS Lambda, MSK(Kafka) for target device onboarding and management. Designed and implemented micro service patterns sidecar for logging and monitoring, circuit breaker.
• Architected a system to come up with granular reports.

Jan 2018 – Jan 2019 · 1 yr

• Uber Payment Network.
• Payment Platform at scale dealing with hundreds of billions of transactions with immutability, audit-ability and high availability as the core DNA.

Apr 2017 – May 2018 · 1 yr 1 mo

• Realtor.com is one of the largest real-estate facilitators bringing home buyers, sellers and real estate agencies together. 1.8 million agents receive millions of leads everyday. It is America’s favorite place to search for the dream home.
• . I work with the SVP of Engineering and led a team of 70+ engineers.
• . Hiring great engineers, architects. Built agile scrum teams. Established the architecture governance, best practices and RESTful standards across the Platform team.
• Projects I led
• AWS Migration
• . Property Pipeline: This is a pipeline to ensure the property details are cleansed, aggregated and presented accurately and reliably to the search and show services for Listing Details Pages(LDP) and Search Results Pages(SRP). Led multiple teams to come up with the architecture to migrate the property pipeline to AWS by breaking down monoliths into microservices and moving to AWS Kinesis streams to decouple the micro services. Used Hapijs/nodejs , Kinesis and GraphQL
• . Product and Profile apis: Led a team to develop apis responsible for presenting agents and office’s profile information and product licensing and setting information using hapi/nodejs, AWS Kinesis, AWS API Gateway, Lambda and Elastic cache for Redis.
• . Agent profiles: Led a team of architects to resolve data consistency issues with the agents and offices’ profile info because of multiple sources of truth.
• . Licensing Api: Led developers to resolve the scalability issues with the licensing api by using AWS DynamoDB and DAX for DynamoDB as a cache.
• . User Data Platform improvements
• Led a team of architects to redesign the core domain models, bring in necessary layers of orchestration services and breaking down monoliths.
• . IPA
• Led the IPA team to take ownership of the Identity, Personalization and Alerts for the consumer
• . Smart Notifications
• Led multiple teams to develop Smart Push Notifications based on Machine learning driven search criteria for the consumer.

Jan 2013 – Apr 2017 · 4 yrs 3 mos

• One line to sum up: My engagement @walmartLabs is all about designing for scale through SOA, REST and distributed systems with hands on development and execution.
• My responsibilities include:
• Enhancing mobile services for scale by transitioning them to micro services using nodejs/hapi
• Responsible for the scaling of transaction systems like Cart & Checkout, Customer Accounts using sharding, multi data center deployment strategies and distributed caching. Developed custom hashing solutions
• Came up with Fast Switch fail-over DR mechanism across data centers for persistence, resource and application tier services
• Lead the design and development of multi-tenant Rule based Promotion system at scale using scala and drools.
• Lead the revamping efforts of Financial Services & external Integrations
• Redesign of List & Registry services for efficient mobile consumption through redesign of the api.
• Was the architect and execution leader for CACHE-as-a-service, which provides a L1/L2, distributed cache to all of the E-Commerce services. Distributed Cache serves a wide range of fundamental services in walmart like IMS, Dynamic Pricing, Item data, Item Recommendations, Personalization Signals etc with TBs of data served under 10 ms.
• Ownership of the core functionality of memcached based product
• Worked extensively on the connection storm mitigation, fail-safe deployments, stability and reliability of the clusters and came up with best practices for it.
• Managing the Cache offering and setting up directions for the team and mentoring them. Also involved in hiring developers/architects across the organization.
• Part of the Architecture Review Council driving & evangelizing the adoption and compliance to the architecture best practices especially around SOA, SOA governance, REST, versioning, ESBs, SLA enforcement, service design and domain modeling for scale.
• Lead the design efforts and development for lists and gift registries and be a mentor to the team and team lead

Sep 2011 – Jan 2013 · 1 yr 4 mos · Bangalore

• Responsible for the Technical Architecture of the existing SAAS offerings.
• Responsible for defining the Integration Strategy for Cloud to Cloud and Cloud to Ground Integrations
• Responsible for the Internationalization and development of JSON based REST API for Integration.
• Responsible for the development of Role Based Authorization contexts for the processes inside the application

Mar 2011 – Sep 2011 · 6 mos

• Responsible for the design & development of the framework for extensibility and flexibility in Business ByDesign
• Responsible for leading the team in integrating the Partner Infrastructure with Template Infrastructure so that partners can seamlessly develop different templates and template based solutions for the customers.
• Responsibilities include, interacting with various stake holders, end-user advocates, architects to understand and define problem statements, drive high level architecture to come with Architecture and Concept Documents.
• Responsible for the technical guidance to the team and other application areas
• Lead the team in conceptualizing and developing the persistence, necessary API for accessing and the UI for the maintenance of templates in X-Repository, a leaner central content repository in Business ByDesign.
• Lead the team in the development of enhanced Easy Form Editor with Silverlight (Patent Pending). Easy Form Editor was a quick way to edit Adobe Print Form templates with in Business ByDesign and it lead to significant reduction in the TCO for the customers.
• Conceptualized and developed the functionality for adding in Extended Fields into the Forms using the Easy Form Editor
• Conceptualized and developed the solutions for the definition and application of Master Templates for forms and office templates
• Conceptualized and developed a rule based easy form editor compatibility checker for Adobe Forms in ABAP.
• Responsible for defining and developing the migration strategy across different releases and different tenants so that the Template Infrastructure is made truly multi tenant compliant..
• Conceptualized and designed a solution for working the business data from Business ByDesign in Microsoft Office applications.

Mar 2005 – Mar 2011 · 6 yrs

• Working on Business ByDesign, a flagship product of SAP in SaaS segment.
• Responsible for the Adobe print forms infrastructure with in ByDesign.

Jul 2003 – Mar 2005 · 1 yr 8 mos · Bangalore

• Worked as a developer in the High Availability Module of the Demand Fulfillment. This module works as a layer over the Demand Fulfillment business engines developed in C++ and the messaging infrastructure developed in Tibco RV6, Webmethods Broker and MQSeries to make the Demand Fulfillment core business engine fault tolerant, load balanced and highly available in the online mode.
• Also responsible for planning the customer fixes, quality and release management.
• Helped the team understand the company wide policy deployments and other TQM initiatives and there by improve the quality of the product and the process involved.