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Karthikey Hegde - Backend & Systems Engineer

https://www.karthihegde.dev/

Software Engineer specializing in Rust, Go, distributed systems and databases. Building scalable backend infrastructure and exploring systems programming.

Contact - Karthikey Hegde

https://www.karthihegde.dev/contact

Get in touch with Karthikey Hegde for opportunities, collaborations, or technical discussions. Schedule a call or send an email.

Blog Posts - Karthikey Hegde

https://www.karthihegde.dev/posts

Technical blog posts on distributed systems, databases, cache eviction algorithms, and self-hosting by Karthikey Hegde.

So my ISP was hijacking my DNS - Karthikey Hegde

03 Nov 2026

https://www.karthihegde.dev/posts/dns_tampering

My ISP was tampering with my DNS queries and handing back bogus IP addresses. Here are the misconceptions about DoH, DoT and DNSSEC that followed, and the setup I actually run.

What 'Mystic River' teaches you about life - Karthikey Hegde

08 Mar 2026

https://www.karthihegde.dev/posts/what_mystic_river

What mystic river teaches you about life

HyperLogLog: Counting without Counting - Karthikey Hegde

24 Sep 2025

https://www.karthihegde.dev/posts/hyperloglog

Deep dive into HyperLogLog, a probabilistic counting algorithm that estimates cardinality with minimal memory. Implementation and mathematical analysis included.

SIEVE: An Efficient Cache Eviction - Karthikey Hegde

06 Sep 2025

https://www.karthihegde.dev/posts/sieve

Deep dive into SIEVE cache eviction algorithm, comparing it with LRU and exploring its implementation. Understanding modern caching strategies.

From Paperweight to Homelab - Karthikey Hegde

10 Mar 2025

https://www.karthihegde.dev/posts/from_paperweight_to_homelab

Transforming an old laptop into a self-hosted homelab with Immich, Docker, and Tailscale. A journey from Google Photos frustration to running your own infrastructure.

Contact - Karthikey Hegde

https://www.karthihegde.dev/contact.html

Get in touch with Karthikey Hegde for opportunities, collaborations, or technical discussions. Schedule a call or send an email.

Blog Posts - Karthikey Hegde

https://www.karthihegde.dev/posts.html

Technical blog posts on distributed systems, databases, cache eviction algorithms, and self-hosting by Karthikey Hegde.