Deepa Sastry

Senior Software Engineer, Saffron Finance - Go · WebSockets · Redis

Saffron Finance

Chennai, India · IST (UTC+5:30)

8+ years experience

NIT Surathkal

English, Hindi, Tamil

Collaborating

Messaging unavailable

Overview

8 years in software engineering, the last 1 at Saffron Finance, where I work on the real-time team. Reduced cloud spend on real-time by 26% in two quarters.

Good reasons to reach out

Collaborators for my side project
Working sessions on Redis
Second opinions on Elixir decisions

Please don't message about

SEO and link-building offers
Offshore staffing offers
Unpaid work or spec projects

Replies on weekends

Skills

WebSocketsRedislow-latency systemsErlang/OTPElixirGo

CollaboratingLooking to collaborate

closes in 3 months

Co-writing an essay series about real-time systems - looking for a co-author

Project: An essay series about real-time systems - looking for a co-author
Skills needed: Writing, Go
Time commitment: Weekends
Outcome: Conference talk

A few hours a week. Based in Chennai, happy to work remotely.

Chennai, Indialow-latency systemsgoerlang/otp

Open

Experience

Senior Software Engineer
Feb 2026 - Present
Saffron Finance · 8 mo · Full-time · Chennai, India
- Mentored 14 engineers through their first promotion.
- Led the migration of 24 services to low-latency systems.
Software Engineer
Apr 2022 - Feb 2026
PwC · 3 yr 10 mo · Contract · Chennai, India
- Shipped 26 launches on the real-time team without a rollback.
Software Engineer
Apr 2020 - Apr 2022
American Express · 2 yr · Contract · Chennai, India
- Shipped a rewrite that took build times from 22 minutes to under 3.
Software Engineer
Oct 2018 - Apr 2020
McKinsey & Company · 1 yr 6 mo · Full-time · Chennai, India
- Brought on-call pages for real-time down from 18 a week to 1.

Projects

Side project: a habit tracker

2024

Built with WebSockets and Redis. 2571 people used it last year.

References

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Education

NIT Surathkal
B.Tech, Mathematics
2014 - 2018

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