Saravanan Ajith Unnikrishnan

Engineering Manager at Willow Foods | ex-Visa

Willow Foods

Chennai, India · IST (UTC+5:30)

6+ years experience

PSG College of Technology

English, Hindi, Tamil

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Overview

I've spent 6 years on search and ranking - first at Zerodha, now at Willow Foods. Mentored 12 engineers through their first promotion. Cut p99 latency on the search services from 447ms to 95ms. Before that: Visa and Zerodha. I volunteer with a food bank on weekends.

Good reasons to reach out

Questions about search and ranking
Thoughtful intros to people in my field
Second opinions on Elasticsearch decisions

Please don't message about

Agency or outsourcing pitches
SEO and link-building offers

Skills

PythonLuceneElasticsearchJava

Experience

Engineering Manager
Jan 2025 - Present
Willow Foods · 1 yr 9 mo · Full-time · Chennai, India
- Moved 75% of search traffic off a legacy monolith without a customer-facing incident.
- Reduced cloud spend on search by 22% in two quarters.
- Cut p99 latency on the search services from 795ms to 80ms.
Software Engineer
Jul 2022 - Nov 2024
Visa · 2 yr 4 mo · Full-time · Chennai, India
- Brought on-call pages for search down from 22 a week to 2.
Software Engineer
Sep 2020 - Jun 2022
Zerodha · 1 yr 9 mo · Full-time · Chennai, India
- Reduced cloud spend on search by 33% in two quarters.

References

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Education

PSG College of Technology
B.E., Computer Science
2016 - 2020

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