---
title: "Prakhar Kumar - Junior developer in Bengaluru | Tal"
description: "Meet Prakhar Kumar, Full-Stack Engineer | Building Scalable, Secure & Reliable Products based in Bengaluru. AI stack includes anthropic apis, cursor, and grok. Explore public work links including github and prakhar-kumar.vercel.app."
image: "https://tal.club/meet/prakhar-kumar-6/share-image"
---

# Prakhar Kumar on Tal

## Headline

Full\-Stack Engineer \| Building Scalable, Secure & Reliable Products

## About

I build full\-stack web products where the hard part is not the UI — it’s keeping identity, permissions, and money\-adjacent flows correct under real traffic and messy edge cases\. I work across the stack in JavaScript / TypeScript, with Next\.js \+ React on the frontend and Node\.js / Express on the backend, usually against PostgreSQL \(often via Prisma\) and cloud infrastructure on AWS\. Day to day that means designing APIs and BFF layers, httpOnly session auth, KYC / age\-verification flows, wallet and payout\-adjacent systems, signed media uploads, background workers, and the kind of webhook / idempotency work that has to survive retries without double\-applying side effects\. I care a lot about trust boundaries: what the browser is allowed to claim, what the server must re\-check, and how privileged admin actions stay separated from normal user paths\. I also work on server\-side product analytics \(PostHog\) — event catalogs, allowlisted properties, and instrumentation that never blocks the core transaction path\. Operationally I’m comfortable with Docker, CI, and shipping into cloud environments\. The habit I bring to every change is simple: understand the current implementation, find every call site, verify behavior \(not just that tests went green\), and leave the system easier for the next engineer to reason about\.

## Location

Bengaluru

## AI stack

anthropic apis

cursor

grok

langgraph

hermesagent

## Work experience

Junior developer at Stealth Startup, Jul 2026 \- Present · 3 mo, London, United Kingdom, • Full\-stack on a pre\-launch creator platform: Next\.js 16 / React 19 / TypeScript frontend, Node 24 / Express API, Prisma \+ PostgreSQL, Graphile Worker, Firebase Auth/Functions, AWS \(S3, CloudFront, Rekognition\), Terraform\-managed deploy to ECS, Sentry, PostHog\. • Designed and implemented a same\-origin BFF: httpOnly sessions, cookie\-bound identity, blocked sensitive path prefixes, no client\-trusted bearer tokens\. • Worked in money\-integrity paths \(fulfillment, wallet credits, refunds, chargebacks, payouts\) with post\-commit side effects, webhook idempotency, and rebase discipline on shared settlement modules — without owning or exposing processor integrations in public\. • Built KYC / age\-verification and creator\-onboarding correctness: server\-held verification state, return\-path guards, and admin enforcement that does not confuse lock vs suspend vs “please finish KYC\.” • Content and media: presigned uploads \(Uppy → S3\), signed playback URLs, MIME allowlists, and a fail\-closed safety pipeline \(Rekognition \+ additional scanners\)\. • Server\-side analytics: PostHog Node client, FinSuby\-style event catalog, anonymous distinct\_id, amount banding, allowlisted properties, fire\-and\-forget after DB commit; paused and reset the consent/identity layer when leadership asked for a sequenced baseline\. • Auth/session hardening: JWT, refresh\-token reuse detection, admin IP allowlists / TOTP, logout fail\-closed, cross\-account consent/session cleanup\.

Back End Developer at Sttribe, Dec 2025 \- Apr 2026 · 5 mos, Bengaluru, Developing scalable backend infrastructure for an OTT subscription sharing platform using Node\.js, TypeScript, and Firebase\. Building 50\+ REST API endpoints, integrating payment processing \(Razorpay\), implementing WhatsApp notifications \(Twilio\), and designing efficient database schemas\. Handling complex business logic for tribe management, cost\-splitting algorithms, and automated subscription workflows\. Also contributing to frontend development using React and TypeScript\.

Freelance Developer at Cutting INC, Oct 2024 \- Jan 2025 · 4 mos, • Built a full\-featured barber shop discovery and booking app from scratch using React Native and TypeScript, with Google Maps\-based geolocation search and live slot availability • Developed conflict\-free appointment scheduling logic across shop, barber, time slot, and service selection • Integrated Stripe and Razorpay for advance booking payments with automated refund workflows • Designed Node\.js/Express/MongoDB backend with JWT auth, refresh token rotation, and role\-based access control for users, barbers, and shop admins

## Education

Bachelor of Technology, Computational Science, PES University

## Public links

- github: https://github\.com/ax\-0m
- prakhar\-kumar\.vercel\.app: https://prakhar\-kumar\.vercel\.app/

[View the original profile](https://tal.club/meet/prakhar-kumar-6)

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