About

Shrey Batra is a highly experienced Senior Software Engineer with over 7 years of experience in Backend Development. He specializes in System Design, Software Architecture, Databases Design and Data Modelling, Data Flow Automation, API Development, and Scaling. Currently, he is working at LinkedIn in Data Apps Platform on the product - Datahub (Search and Discovery of all LinkedIn Data) and is also the Founder of CosmoCloud - a Backend-as-a-Service no-code/low-code platform. Apart from his professional work, Shrey is an Angel Investor in multiple companies such as TrulyMadly, GoldSetu, Tummoc, Sateeq, and Harvest India. He invests specifically in Tech Focused startups, where the business is driven through tech heavy implementations. He has also filed a patent with LinkedIn for Reverse Regex Lookup and Indexing algorithm + data structure, which involves a new algorithm and its accomplice data structure to create a Distributed Algorithm for Reverse Regex Lookup. Shrey has been certified as a Kubernetes Application Developer and MongoDB Certified Developer Associate. He speaks at various conferences and has been a speaker at MongoDB World Conference 2022, 2021, 2020, Facebook Developer Circles, and Slack Platform Communities. He has also been leading/managing various open source communities, with currently being the Lead of MongoDB User Group, Delhi NCR, and previously managing/speaking in other communities like Slack Platform Community Delhi NCR, PyDelhi, and Facebook Developer Circles. Shrey has freelanced and given professional consulting/trainings mostly in the backend domain. Specific areas include Database Design and Data Modelling, System Architecture, MongoDB stack (Database, Change Streams, Atlas, etc.), Queue-based systems (Kafka and Redis PubSub), Elasticsearch, and Kubernetes Application Modelling, along with Cloud Computing and scaling. He has freelanced for HevoData, InterviewBit, RannLab, CloudDive, StackStorm, and Internity. Shrey is highly skilled in various tech stacks such as Python (Flask, Django, native apps), Golang (GRPC + Protobufs, socket programming, and native apps), JAVA (Rest.li, Spring, Hibernate, native apps), MongoDB (Data modelling, scaling, sharding, MongoDB Atlas), Kubernetes (Application modelling, system architecture, and cloud deployments), Redis, Kafka, ElasticSearch (ELK Stack), Cloud Computing (AWS/Azure), and PostgreSQL. Shrey's significant experience and expertise make