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Prabhakar Jha

India

# CyberSecurity # AI/LLM #Search #Cloud‑Native Systems # Optimizations & Performance tuning

About

IIT (ISM) Dhanbad engineer with 8+ years shipping production systems end‑to‑end — backend, AI/LLM, frontend, mobile apps, and SEO. Founder of POINTERS and former Principal Engineer at MagicPin. I help companies build AI‑powered search at scale, optimize and stabilize cloud‑native infrastructure, and ship full‑stack products from architecture to launch.

Experience

Founder & Principal Consultant

POINTERS

Jun 2024 – PresentIndiaFreelance

Independent consultancy & product studio · AI/LLM, cloud infrastructure, full‑stack engineering

  • Nirmit Bharat: Optimized Kubernetes infrastructure cost, resolved multiple production outages, and hardened/improved several data ingestion pipelines.
  • Built an AI‑powered search system serving millions of queries over a 26M+ item catalog in multiple Indian languages, using Elasticsearch, vector embeddings, and a caching layer for low‑latency results at scale.
  • Durlabh Darshan: Stabilized backend systems and delivered security fixes; designed a production RAG pipeline with Elasticsearch hybrid search, intent classification, and a multi-step chat orchestrator.
  • Led incident response for a software supply-chain compromise (developer-credential ATO → malicious npm postinstall in multiple org repos → GCP service-account-key persistence): scoped blast radius across GitHub and GCP via audit-log forensics, disabled attacker-created Firebase admin keys, and authored the org-wide containment + hardening runbook.
  • Engineered an AI‑powered universal job scraper (xAI Grok) with HTML token reduction of ~89%, AI page classification, schema normalization, and anti‑detection across 12+ enterprise career sites.

Tech Lead → Engineering Manager → Principal Engineer

MagicPin

Nov 2019 – Jun 2024Gurugram, IndiaFull-Time

Hyperlocal commerce platform.

  • As Principal Engineer, led MagicPin’s iOS app, web platform, and merchant partner portal & app, and headed the company’s AI/LLM initiatives.
  • Rewrote the MagicPin iOS app from scratch, lifting its App Store rating from 2.9 to 4.1.
  • Designed and built core components of the OrderHere app (iOS & Android) and drove it to production.
  • Owned the organization‑wide notification backend — push, WhatsApp, email, SMS, analytics, and alerts — on Go, Kafka, BigQuery, BigTable, MySQL, and Cassandra.
  • Unified shared features across the merchant partner web (React.js) and OrderHere app (React Native + Swift/Objective‑C + Java).

Founder

Feynsu Labs

May 2018 – Nov 2019Full-Time

Education

B.Tech

Indian Institute of Technology (ISM) Dhanbad

Jan 2014 – Jan 2018

Skills

Technical

JavaScript· ExpertTypeScript· ExpertJava· AdvancedSwift· ExpertGo· ExpertPython· AdvancedSQL· AdvancedReact· ExpertNext.js· ExpertReact Native· ExpertRedux· AdvancedNode.js· ExpertSpring Boot· AdvancedKafka· ExpertREST· ExpertRAG· ExpertHybrid search· ExpertSemantic search· ExpertEmbeddings· ExpertIntent classification· AdvancedTensorFlow· AdvancedCoreML· AdvancedMongoDB· ExpertMySQL· AdvancedElasticsearch· ExpertBigQuery· AdvancedBigTable· AdvancedCassandra· AdvancedRealm· AdvancedKubernetes operators· AdvancedKubernetes CRDs· AdvancedKubernetes RBAC· AdvancedKubernetes networking· AdvancedKubernetes storage· AdvancedProgrammatic SEO· AdvancedStructured data (schema.org)· AdvancedGoogle Analytics / BigQuery analytics· AdvancedObjective-C· AdvancedPHP· IntermediateAndroid· AdvancedRxJava· AdvancedOpenAI embeddings· AdvancedxAI Grok· AdvancedGoogle embeddings· AdvancedCohere embeddings· Advanced

Tools

GCP· ExpertGKE· ExpertGCP Autopilot· AdvancedAWS· AdvancedKubernetes· ExpertDocker· AdvancedFirebase· AdvancedGoogle Search Console· AdvancedGA4· Advanced

Projects

AI‑powered search system for Nirmit Bharat

ElasticsearchVector embeddingsCaching

Built an AI‑powered search system serving millions of queries over a 26M+ item catalog in multiple Indian languages.

Production RAG pipeline for Durlabh Darshan

RAGElasticsearchHybrid searchIntent classification

Designed a production RAG pipeline with Elasticsearch hybrid search, intent classification, and a multi-step chat orchestrator.

AI‑powered universal job scraper

xAI GrokAI page classificationSchema normalization

Engineered an AI‑powered universal job scraper with HTML token reduction of ~89%, AI page classification, schema normalization, and anti‑detection across 12+ enterprise career sites.

ResumeAndJob.com View

Node.jsNext.jsReact NativeMongoDBElasticsearchGCPGKE

In-house product spanning job search.

ProSyllabus.com View

Node.jsNext.jsReact NativeMongoDBElasticsearchGCPGKE

In-house product spanning education.

OrderHere app

React NativeSwiftObjective-CJavaReact.js

Designed and built core components of the OrderHere app (iOS & Android) and drove it to production.

Recognition

Technology & cultural exchange

Hosted by the Government of Japan for a two‑week technology & cultural exchange (Tokyo & Okinawa).