PRESENTATION RESUME . SCROLL, OR USE THE DOTS

One idea per screen, in the order I would say them.

Devika Menon product engineer . this page settles on each panel as you scroll. Every panel is an ordinary section with one box ticked.
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What I do, in four lines

  • Design the seamThe place two systems meet is where the bugs live.
  • Make it measurableIf we cannot see it, we are guessing about it.
  • Leave it maintainableThe team should not need me afterwards.
  • Say the risk out loudEarly, in writing, before it is expensive.

Depth

Systems design 89%
Eight years, four platforms in production
TypeScript and Node 84%
Primary language since 2018
Data modelling 76%
Schemas that survived their second year
Mentoring 91%
Six engineers, two now leading teams

Work

A deck inside a deck.

Routing rewrite

Routing rewrite

Cut a 9-second worst case to under a second.

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Billing reconciliation

Billing reconciliation

Found six years of quiet drift and closed it.

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Design tokens

Design tokens

One source for colour across four apps.

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Incident review

Incident review

Rewrote how we talk about failure.

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The route

  1. 2023-Now

    Principal Engineer . Halcyon

    Platform, and the seams between four products.

  2. 2020-2023

    Senior Engineer . Ravel

    Billing, reconciliation and the quiet drift.

  3. 2017-2020

    Engineer . Tandem

    Where I learned to write the risk down.

Speaker

BE Computer Science

NIT Trichy . 2016

AWS Solutions Architect

Credential ID HN-4471

Speaker

SeamConf . 2025

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