Tanvi Sonal Singh

S

Director of Engineering at Onyx Works · hardware bring-up, ARM Cortex-M

Onyx Works
Indore, India · IST (UTC+5:30)
14+ years experience
Symbiosis International University
English, Hindi
Messaging unavailable

Overview

Director of Engineering at Onyx Works, focused on embedded systems. Cut p99 latency on the firmware services from 597ms to 43ms. Before that: Mphasis and BigBasket.

Good reasons to reach out
  • Thoughtful intros to people in my field
  • Questions about embedded systems
Please don't message about
  • Crypto token projects
  • Unpaid work or spec projects

Checks messages twice a week

Skills
Chardware bring-upembedded LinuxBluetooth LEARM Cortex-M

Experience

  1. Director of Engineering
    Jun 2023 - Present
    Onyx Works · 3 yr 4 mo · Full-time · Indore, India
    • Grew the firmware team from 5 to 16 engineers.
    • Led the migration of 15 services to ARM Cortex-M.
    • Moved 67% of firmware traffic off a legacy monolith without a customer-facing incident.
  2. Principal Engineer
    Sep 2021 - Jun 2023
    Mphasis · 1 yr 9 mo · Full-time · Indore, India
    • Sit on 2 boards.
  3. Principal Engineer
    Jun 2018 - Sep 2021
    BigBasket · 3 yr 3 mo · Contract · Indore, India
    • Sit on 6 boards.
  4. Senior Engineering Manager
    Oct 2014 - Jun 2018
    PwC · 3 yr 8 mo · Full-time · Indore, India
    • Moved 84% of firmware traffic off a legacy monolith without a customer-facing incident.
    • Led the migration of 66 services to C.
  5. Senior Embedded Engineer
    Nov 2012 - Oct 2014
    Amazon · 1 yr 11 mo · Full-time · Indore, India
    • Cut p99 latency on the firmware services from 532ms to 117ms.
    • Reduced cloud spend on firmware by 34% in two quarters.

Projects

Open-source Bluetooth LE toolkit
2026

A small library for embedded systems that 448 developers star on GitHub.

Conference talk: lessons from firmware
2023

What went wrong and what worked while scaling embedded systems.

References

No references yet.

Education

  1. Symbiosis International University
    BBA, Electronics and Communication
    2001 - 2005

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