Full-Stack Engineer — Tech Agnostic

Bhuvanesh
KM

_

Full-stack engineer, 4 years in — event-driven, high-throughput systems. Request coalescing that cut redundant calls by 60%. Ingestion pipelines that dropped database load from ~1k/sec to ~50/sec. Currently SDE-1 at KPN Fresh, keeping analytics running for 350+ stores.

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60% fewer redundant API calls via request coalescing

Projects

Things I've built

Docs

Docs

Live

A full-featured rich text editor built with TipTap, supporting 10+ content formats with real-time collaboration and cursor tracking via LiveBlocks (5-10 concurrent users per document), secure multi-tenant workspaces with Clerk, reusable templates, and undo/redo history.

Next.jsTypeScript
Liveblocks
Tiptap
Tailwind CSS
CodeView live
E-Commerce Application

E-Commerce Application

Live

A real-time analytics dashboard for monitoring sales performance, user engagement, and inventory levels. Built with a focus on performance and data visualization.

ReactNext.jsTailwind CSS
CodeView live

RealTime Sports Score

In progress

A real-time sports score application that displays live scores of various sports. Built with a focus on performance under 10ms powered by websocket.

Next.jsWebsocketPostgreSQL
Drizzle
CodeView live

Stack

Languages

JavaScriptTypeScriptJavaSQL

Frontend

ReactNext.jsHTMLCSSAnt DesignMUI

Backend

Node.jsExpress.jsNest.jsFastify.jsREST APIsMicroservices

Databases

PostgreSQLAlloyDBMongoDBBigQuery

Cloud & DevOps

Google Cloud (GCP)AWSDockerGit

Tools

Postman

Experience

Where I've worked

KPN Fresh

KPN Fresh

SDE-1

Nov 2024 - Present

KPN Fresh / EBO Mart · Bangalore

  • Build and scale Penguin POS, an event-driven, offline-first billing system ensuring high availability and eventual consistency, aimed at replacing third-party POS systems across a 350+ store network.
  • Implement request coalescing to mitigate the thundering herd problem, cutting redundant API calls by ~60% and improving system efficiency under high-concurrency workloads.
  • Design and build backend API contracts for Eagle, an RBAC-enabled analytics platform delivering real-time insights on sales metrics, store performance, and target-achievement forecasting for 350+ stores.
  • Optimize data ingestion with batching and caching strategies, reducing database transaction load from ~1k/sec to ~50/sec.
  • Craft a scalable Web SDK with session-based event tracking to capture and stream 10k+ user events/day into the analytics pipeline, enabling session-level behavioral analysis.
  • Orchestrate idempotent data ingestion mechanisms to guarantee exactly-once processing and eliminate duplicate events in concurrent environments.
React.jsJavaScriptTypeScriptNest.jsFastify.jsAnt DesignPostgreSQLAlloyDBGCP
Evry India

Evry India

Associate Software Engineer

Sep 2022 - Nov 2024

EVRY India · Bangalore

  • Built high-performance, reusable UI components with React.js and MUI, cutting duplicated component code by ~40% and improving responsiveness across operational dashboards.
  • Managed efficient rendering of 10+ charts per dashboard using memoization and state isolation so only data-updated components re-rendered, significantly improving UI performance.
  • Improved API response times by adding database indexes, reducing query latency from ~300ms to <100ms for data-intensive dashboard queries.
  • Added structured audit logging and metadata tracking across APIs, enabling traceability for 100K+ records and reliable data-change history across the platform.
  • Collaborated with cross-functional teams to translate business requirements into technical solutions, delivering features in an agile environment with a 90% sprint completion rate.
React.jsJavaScriptNode.jsExpress.js
On repeat

Coding beats

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