Vishnu Vivek

About Vishnu Vivek

Over the past decade, I\'ve developed software across various sectors such as Governance, E-Commerce, Video Streaming, and Electric Vehicles, among others. My focus has primarily been on Backend Engineering and Data Engineering, allowing me the privilege to tackle intricate technical challenges on a international scale.I have expertise on various technologies, including Java, Python, AWS, Azure, and a range of database systems including RDBMS (MySQL, PostgreSQL) and NoSQL (MongoDB, Scylla). Additionally, I\'m proficient in tools such as Redis, Elasticsearch, Apache Flink, Apache Spark, Apache Kafka, Microservices, API Gateways, Kubernetes, and Docker, to name a few.In my current capacity as a Technology Leader at Ola Electric, my team and I focus on building highly scalable and robust Microservices and Data Pipelines for Ola Cabs and Ola Electric. We operate at an impressive scale of approximately 6 billion events per day, ensuring subsecond latencies. My responsibilities encompass making critical Architectural and Design decisions, overseeing High-Level Design (HLD) and Low-Level Design (LLD), conducting thorough code reviews, establishing and upholding technical standards within the team, spearheading Proof of Concepts (PoCs), fostering the development of highly efficient tech teams, and, naturally, engaging in hands-on coding.

Experience

1. Engineering Leader

   Ola

   Mar 2021 — Present · Bengaluru, IN

   Solving complex problems of scale.Technology Lead for Ola\'s E-Commerce vertical - Architected and developed various critical components of E-commerce ecosystem from the scratch- Search engine for very high throughput product search with integrated recommendation engine- Discovery system with highly scalable serving layer with integrated Geo-spacial location service- Inventory and Vendor management system for serviceability of the inventory and external vendors- Order management system with workflow engines and rules engines for pricing, voucher and discounts- Logistics system with decision automation engines to maintain different states of the workflows- Support system with integration to Zendesk and chat agents for customer issues tracking & resolutionTechnology Lead for Ola Electric - Data & Telematics team- Lead the complex data pipelines that were responsible for ingesting over 6 Billion events/day- Created Realtime alerts using Realtime analysis of the streams using Flink and performed resolutions- Was responsible for the Command Center which is a central monitoring platform for telematics data- Created schemas to store the events and streams to the data lake via Apache Hudi and Hive Metastore- Retrieve and perform analysis on the Data lake using Presto & Superset and Azure Data Explorer- Served the critical telematics data in Scylla (Cassandra) cluster with a high throughput microservice

Education

• Anna University

  Bachelor of Engineering (B.E.), Computer Science

• International Institute of Information Technology Bangalore

  PGP in Data Science & Machine Learning