NK
Open to Staff SWE roles · Seattle & Bay Area

Neelesh
Kakaraparthi.

Senior Full-Stack Software Engineer

8+ years at Walmart Global Tech building full-stack systems at scale. Led the platform that grew Walmart homepages from 20 → 3,500+ and modernised the authoring tool used by merchants across 38 storefronts daily.

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Redmond, WA
Currently
Building this portfolio
Reading Designing Data-Intensive Applications
Exploring Staff SWE opportunities

Selected Work

All case studies
Case Study

PRISM — cxt-msg-asset-service

Designed and built the content-messaging system-of-record that scaled Walmart homepages from 20 to 3,500+ — powering personalisation across 38 storefronts.

150× homepage scale+6.8% ATF CTR+16% page-build efficiency
Java 21Spring BootKafkaPostgreSQL
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Case Study

Tempo V3 UI + Fastify BFF

Led the full-stack migration of Walmart's merchant authoring tool from Electrode V1 to Next.js 15 + Fastify BFF — live across 38 storefronts, first end-to-end distributed tracing in Tempo's history.

38 storefronts>92% trace propagation~60% build time reduction
Next.js 15TypeScriptFastifyGKE
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Side Projects

All projects
Open SourceBuilding

outbox-kit

TypeScript + Java library implementing the transactional outbox pattern — the same reliability primitive that runs Walmart homepages at 150× scale.

TypeScriptJavaKafkaPostgreSQL
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AI ToolPlanned

PR Reviewer

Claude-powered GitHub App that reviews pull requests with structured outputs, inline comments, and acceptance rate tracking.

Claude APINext.jsGitHub AppPostgres
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