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vatsal patel

@vatsalpatel4

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Software Engineer at Saleshandy who cut analytics query latency by 70% with ClickHouse.

India

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At Saleshandy, I designed and owned a ClickHouse analytics pipeline for real-time email campaign metrics, reducing query latency by 70% compared with MySQL. I also designed deterministic hash-based sharding for a stateful IMAP service, scaling active connections to 10K+.

I improved Kafka processing throughput 12.5x at Saleshandy and am working on a production MCP server for Saleshandy’s outreach APIs. Independently, I built AutoReel.in, an AI video SaaS with an asynchronous job queue and distributed video rendering.

Experience

Work history, roles, and key accomplishments

Current

Software Engineer

Current

Saleshandy

Oct 2023 - Present (2 years 11 months)

Designed a high-volume ClickHouse analytics pipeline for real-time email campaign metrics, reducing query latency by 70% vs MySQL. Re-architected a stateful IMAP service via hash-based sharding to handle 10K+ concurrent connections and improved Kafka throughput by 12.5x.

Clickhouse Kafka MySQL IMAP Sharding MurmurHash3 Distributed Systems Microservices Query Optimization Connection Pooling MCP Servers

Software Engineer Intern

Rapidops Inc.

Jan 2023 - Jul 2023 (6 months)

Built Apache Kafka event streaming pipelines for real-time data processing across microservices. Developed React.js frontend features and RESTful Node.js APIs, and worked with PostgreSQL and MongoDB for data modeling and query optimization.

Kafka React NodeJS REST APIs PostgreSQL MongoDB Agile

Education

Degrees, certifications, and relevant coursework

Dharmsinh Desai University

Bachelor of Technology, Information Technology

2019 - 2023

Pursued a Bachelor of Technology in Information Technology, covering DBMS, Operating Systems, Computer Networks, OOP, and Data Structures & Algorithms.