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Ansh Tyagi

Fast systems. Quietly reliable.

Backend & Distributed Systems Engineer. 3.5 years in production at Headout and Intuit. MS Computer Science at Stony Brook, GPA 4.0.

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Available for full-time roles from May 2027 · 9:54 PM in New York

Get the highlights.

Meet Ansh. A backend and distributed-systems engineer with 3.5 years in production, finishing an MS at Stony Brook.

Ansh Tyagi standing in a field at golden hour

Identity at Intuit scale. Summer 2026 on the Identity & Session Platform, the SSO behind TurboTax, QuickBooks, Credit Karma and Mailchimp.

100M+

customers behind those logins

Intern to senior at Headout. Three and a half years, from Hub’s backend foundations to building the Creators Platform as the sole engineer.

Upstream, in the open. Merged pull requests across gccrs, KotlinDL, Multik, KMath and nixpkgs.

16

merged pull requests

MS Computer Science. Stony Brook University, advised by Prof. Erez Zadok. Graduating May 2027.

4.0

GPA

National hackathon winner. SAM, an offline-first face-recognition attendance app, won Smart India Hackathon 2022.

SAM attendance app running on an iPhone

Published, first author. Lightweight dynamic elliptic-curve cryptography for constrained devices, Springer CCIS 2021.

1st

author, COMS2 2021

Performance you can measure.

Every number here was measured in production, before and after.

14×

p99 bulk authorization¹

Intuit

Before4.2s

After300ms

Zero

503s per rollout²

Intuit

Before60+

After0

18×

Vendor listing time³

Headout

Before72 min

After4 min

1,872×

Creator onboarding⁴

Headout

Before13 days

After10 min

Experience.

3.5 years in production, from intern to senior engineer at Headout, then Intuit’s identity platform.

Software Engineer InternIdentity & Session Platform

May ’26 – Aug ’26 · Intuit · Mountain View, CA

Services powering SSO across TurboTax, QuickBooks, Credit Karma, and Mailchimp, spanning billions of token-validation requests for 100M+ customers at 99.9%+ availability.

Highlights

Reduced p99 latency from 4.2s to 300ms for bulk authorization in Intuit Enterprise Suite, scaling to 5,000 accounts/user at 200 TPS via a rate-limited async batched-write path that removed DynamoDB hot-partition throttling.
Eliminated deployment-related 503 errors (60+ to 0 per rollout) by adding graceful shutdown via Kubernetes preStop hooks.

JavaDynamoDBKubernetesOAuth 2.0OIDC

Senior Software EngineerCreators Platform & Offers Management

Apr ’25 – Jul ’25 · Headout · Bengaluru

Led backend for two new product surfaces at the top of Headout’s supply funnel.

Highlights

Architected the Creators Platform backend from scratch as sole engineer (Spring Boot, Kafka, Redis), cutting onboarding from 13 days to 10 minutes and growing collaborations from 50 to 700 creators per quarter.
Reduced creator impression cost 80% and raised 15-day content completion to 50% by owning the event-driven content pipeline and economics.
Built Offers Management for supply partners with configurable discount controls: conversion up to +30%, 66% adoption within a month, discount-related support tickets -12%.

KotlinSpring BootKafkaRedisPostgres

Software EngineerMagic Listing · Novu · Hub

May ’23 – Apr ’25 · Headout · Bengaluru

Backend infra that cut operational cost and unlocked scale.

Highlights

Magic Listing: an AI-driven 3-step workflow replacing 60+ manual fields. Listing time 72 → 4 min (-95%).
Novu-based notifications: schedule-request turnaround -40%, communication errors -60%.
Schedule Management & Moderation: one-click supplier-to-Hub migration. Processing time -33%, manual effort -25%.

KotlinSpring BootNovuGraphQL

Software Engineer InternHub Backend Foundations

Jan ’22 – May ’23 · Headout · Bengaluru

An early backend engineer on Hub, Headout’s B2B platform on Spring Boot WebFlux with REST & GraphQL APIs.

Highlights

Enforced TDD for 96% code / 87% branch coverage.
Re-architected the London Theatre Direct integration plugin as its owner. Order success rate +80%.
Spearheaded Native Listing for direct supply-partner integration. Operational efficiency +30%.

JavaSpring WebFluxGraphQL

Projects.

Database research, a vision-language benchmark, a programming language, and a national hackathon win.

Column-Delta Multi-Version Concurrency ControlResearch · Distributed databases

A schema-aware MVCC optimization in Mako that stores only modified columns.

Details

481 lines of reusable C++ integrated into a distributed KV store.
69% MVCC storage reduction on TPC-C.
Within 1% of baseline throughput.

C++MakoTPC-C

View on GitHub

VLFit: a spatial reasoning benchmarkResearch · Vision-language models

A vision-language benchmark for fit-in spatial reasoning with 220 image–question pairs across 60–70 categories.

Details

Evaluated 6 state-of-the-art vision-language models.
The best reached only 60.9%; numeric reasoning fell to 5.7%–22.9%.

PythonPyTorchVLMs

View on GitHub

fxlangSide project · Languages

An interpreted object-oriented language built from scratch in 2,300 lines of Rust.

Details

Full pipeline: lexing, parsing, static resolution, and a tree-walking interpreter.
Classes, inheritance, closures, and lexical scoping.

RustInterpreters

View on GitHub

SAM: Smart Attendance MonitorHackathon · 2022

A face-recognition attendance app for classrooms: offline-first mobile, a retrainable recognition pipeline, and weekly analytics.

Details

Smart India Hackathon 2022, Winner. A national-level hackathon organized by the Government of India.
On-device retraining with TensorFlow Lite: new faces added in under 8 seconds on mid-range Android.
Analytics with weekly trends, anomaly flagging, and a light-touch appeal flow.

FlutterDartTensorFlow LiteOpenCV

View on GitHub

Built in the open.

16 merged PRs across the Kotlin & Rust ecosystems, and the stack I ship with every day.

Open source

gccrs
GCC Rust frontend · type system & CI

2.9k

KotlinDL
9 PRs · neural-network layers

1.6k

Multik · KMath
ndarray & fast-math utilities

730 · 720

nixpkgs
Packaged zellij

25k

All contributions on GitHub

Stack

Languages

KotlinJavaRustGoPythonC/C++SQLJS/Dart

Infrastructure & tooling

Spring BootKafkaRabbitMQPostgreSQLRedisDynamoDBgRPCGraphQLKubernetesDockerAWSGCPPrometheusGrafana

Tech specs.

Role

Backend & Distributed Systems EngineerAvailable for full-time roles from May 2027

Education

Stony Brook University · 2025 – May 2027MS Computer Science · GPA 4.0 · Advisor Prof. Erez ZadokDistributed Systems · Database Systems · Vision Language Models · Data Science

IIIT Sonepat · 2019 – 2023B.Tech Information Technology · CGPA 9.35 / 10Data Structures & Algorithms · Operating Systems · Networks · Machine Learning

Publication

Design and Implementation of Lightweight Dynamic Elliptic Curve Cryptography Using Schoof’s AlgorithmA. Tyagi, K. K. Soundra Pandian, S. Khan · COMS2 2021, Springer CCIS vol. 1416, pp. 193–204 · DOI 10.1007/978-3-030-76776-1_13

Recognition

Teaching Assistant, SBU · CSE 416 & ISE/POL 369 · Spring 2026
Winner, Smart India Hackathon 2022

Based in

Stony Brook, NYBased here · open to relocation

Off the clock.

Ferries, mountains, and a lot of pizza.

Ansh Tyagi standing on a ferry deck — On the ferry

Mt. Rainier at sunset seen from an observation deck — Mt. Rainier

Ansh Tyagi standing in a field at golden hour — Golden hour

A margherita pizza with basil — Pizza night

A table of shared plates and flatbread — Shared plates

New York City skyline

Stony Brook, NY

60 miles east of New York City · open to relocation

9:54 PM

Local time in New York · Wednesday · peak focus 10p – 2a

Midnight City

On repeat · M83 · Hurry Up, We’re Dreaming

Hiring for backend or infrastructure? Let’s talk.

Email is fastest. I usually reply within a day.

Email ansh.tyagi@stonybrook.edu

LinkedIn GitHub ORCID Résumé

Skip to content

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Get the highlights.

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Performance you can measure.

Every number here was measured in production, before and after.

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Experience.

3.5 years in production, from intern to senior engineer at Headout, then Intuit’s identity platform.

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Highlights

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Projects.

Database research, a vision-language benchmark, a programming language, and a national hackathon win.

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Details

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Built in the open.

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Open source

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All contributions on GitHub

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Languages

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Infrastructure & tooling

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Tech specs.

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Education

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Off the clock.

Ferries, mountains, and a lot of pizza.

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New York City skyline

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