Kaushik Iska in

Kaushik Iska

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Director of Engineering at ClickHouse
📍 Austin, Texas Metropolitan Area, United States

Kaushik is a Director of Engineering at ClickHouse, where he leads database integrations. He is a database systems expert, previously co-founding and serving as CTO of PeerDB (YC S23), a Postgres replication company acquired by ClickHouse. His background includes roles at Google, Palantir, and SafeGraph.

Kaushik is a passionate open-source contributor and has been deeply involved in the PostgreSQL ecosystem for over a decade. He co-founded his company with a friend from high school, reflecting his value for long-term collaboration. His core interest lies in building fast, reliable, and elegant systems.

Unique fact: Kaushik represented India in the prestigious ACM International Collegiate Programming Contest (ICPC) World Finals.

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Current Role
Director of Engineering
Location
Austin, Texas Metropolitan Area, United States
Personality Overview

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Priorities

Topics Kaushik cares about

Postgres Replication
Co-founded PeerDB, a company acquired by ClickHouse, specifically to create a high-performance, native ETL and replication solution for PostgreSQL, a topic he remains deeply passionate about.
Database Performance
He focuses on high-throughput streaming and performance optimizations for large-scale data systems, recently authoring a detailed blog post on a new PostgreSQL extension, pg_stat_ch.
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Career

Work history

2-2026
Director of Engineering
ClickHouse
7-2024 - 2-2026
Engineering Manager
ClickHouse
6-2023
CTO and Co-founder
PeerDB (YC S23)
1-2019 - 6-2023
Senior Software Engineer
Google
10-2017 - 1-2019
Senior Software Engineer
SafeGraph
In the press

Media appearances

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Education
2009 - 2013
B.Tech (Hons)
International Institute of Information Technology Hyderabad (IIITH)
Social presence
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Behavioral profile

DISC profile (public)

DISC behavioral profile

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