Open to Senior Software Engineer 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 GearNest

Reading Designing Data-Intensive Applications

Exploring Senior Software Engineer opportunities

Selected Work

All case studies

Tempo · UI

Tempo V3 UI + Fastify BFF

Ground-up rewrite of Walmart’s merchandising CMS authoring tool

38 Production tenants~60% Build time ↓>92% Trace propagation

Next.js 15 (App Router)React 19TypeScript 5FastifyTanStack QueryReact Hook Form + ZodOpenTelemetryOpenObserveLiving DesignPlaywrightWCNP / KITT / Concord / Akeyless

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PRISM · Backend

cxt-msg-asset-service

The PRISM system of record — Java 21, partitioned Postgres, Kafka outbox

150× Homepage scale+6.8% mWeb ATF CTR+16% Editor efficiency

Java 21Spring Boot 3.5Hibernate JPAQueryDSL 5PostgreSQLLiquibaseKafkaForklift outboxOpenTelemetryGKE / IstioAkeyless

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Tempo · Backend

Tempo Service

The Java authoring backend behind Tempo — 38 tenants, Oracle → Postgres on GCP

~27 TPS Authoring traffic38 Tenants~65 Seed PRs / month

Java 17Spring Boot 3.5Apache CXF (JAX-RS)Hibernate 6 + QueryDSL 5Oracle (legacy) + PostgreSQL (modernized)Meghacache (Memcached)KafkaStrati AF + PalletWCNP / GKEIstio mTLS

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Platform map

Two platforms, six interlocking services. PRISM owns the content model; Tempo owns the rendering model. They meet at the storefront.

Service	Platform	Role	Hot path	Stack
cxt-msg-asset-service	PRISM · Backend	Backend engineer (co-owner)	Authoring	Java 21 · Spring Boot 3.5 · Hibernate JPA
Prism V3 UI	PRISM · UI	Frontend engineer	Authoring	Next.js 15 (App Router) · React 19 · TypeScript 5
Tempo V3 UI + Fastify BFF	Tempo · UI	Lead frontend / BFF engineer	Authoring	Next.js 15 (App Router) · React 19 · TypeScript 5
Tempo Service	Tempo · Backend	Backend contributor	Authoring	Java 17 · Spring Boot 3.5 · Apache CXF (JAX-RS)
Tempo Runtime — Node → Go, Cosmos → Cassandra	Tempo · Runtime	Contributor on Go rewrite + migration	Customer-facing	Go 1.24 · Echo · Apache Cassandra
Tempo V2 UI (cxt-tempo)	Tempo · Legacy UI	Frontend engineer	Authoring	React 17 · TypeScript · Redux Toolkit