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Dhruv Kumar Sharma

@dhruvkumarsharma

I build high-scale payment infrastructure and production AI support platforms.

At MobiKwik, I rebuilt core UPI payment infrastructure for 2M+ concurrent users, delivering sub-100ms p99 latency and 99.9% uptime while load-testing to 100M+ requests per day across NPCI, Wallet Interop, and NSDL.

I also independently shipped Kwik-Help, a production RAG-based AI support platform that raised CSAT from 2.9 to 3.8 and reduced ticket escalations from 22% to 8%. I build distributed systems, LLM workflows, and reliable backend platforms, and I’ve mentored junior engineers into independent ownership.

Experience

Work history, roles, and key accomplishments

MO

Current

Software Development Engineer 3

Current

MobiKwik

Jul 2022 - Present (4 years 2 months)

Led full revamp of core UPI payment infrastructure serving 2M+ concurrent users and load-tested to 100M+ requests/day. Architected and shipped Kwik-Help, a production RAG-based AI support platform, improving CSAT from 2.9 to 3.8 and reducing escalations from 22% to 8%.

NodeJS TypeScript JavaScript SQL ExpressJS REST APIs Microservices Event Driven Architecture Distributed Systems WebSockets gRPC Idempotency Replicated State Machines Saga Pattern Outbox Pattern CQRS Eventual Consistency Circuit Breakers Rate limiting Back Pressure High Availability Fault Tolerance AWS EC2 S3 Lambda Amazon SQS Amazon Cloudfront Azure Docker CI CD Git Feature Flags Zero Downtime Deployments UPI NPCI Wallet Interoperability NSDL Collect and Pay Flows Mandate Management Idempotent Webhooks Reconciliations Double Entry T+1 T+2 Settlement Refund and Dispute Flows PCI DSS Fraud and Risk Patterns RAG Lang Chain LangGraph Tool calling Agentic Workflows OpenAI Azure OpenAI Embeddings Semantic Search Weaviate Hybrid Retrieval Prompt Engineering Context Window Optimization LLM Evaluation Hallucination Mitigation GuardRails Streaming (SSE)Langfuse MongoDB Redis Firestore PostgreSQL Denormalization Prometheus Grafana Structured logging SLOs Distributed Tracing OAuth JWT RBAC 2FA KYC React 18+Redux toolkit React Query Tailwind Zod Jest RTL

MO

Software Engineer Intern

MobiKwik

Mar 2022 - Jun 2022 (3 months)

Built 2FA authentication, KYC onboarding, and transaction management modules in production. Converted to full-time SDE 1 offer upon internship completion.

2FA KYC Transaction Management NodeJS

Education

Degrees, certifications, and relevant coursework

BT

Bhagwan Parshuram Institute of Technology

B.Tech, Electronics & Communication Engineering

Completed B.Tech in Electronics & Communication Engineering in 2022.

Tech stack

Software and tools used professionally

Availability

Looking for a job

Location

India

Authorized to work in

Salary expectations

204k+ INR

Social media

Job categories

Backend Engineer AI Engineer Platform Engineer Software Engineer

Skills

TypeScript JavaScript NodeJS SQL ExpressJS REST APIs Microservices Event Driven Architecture Distributed Systems WebSockets gRPC Idempotency Replicated State Machines Saga Pattern Outbox Pattern CQRS Eventual Consistency Circuit Breakers Rate limiting Back Pressure High Availability Fault Tolerance AWS EC2 S3 AWS Lambda Amazon SQS Amazon Cloudfront Azure Docker CI CD Git Feature Flags Zero Downtime Deployments UPI NPCI Wallet Interoperability NSDL Idempotent Webhooks Reconciliations Double Entry Settlements Refunds Dispute Management PCI DSS Fraud Prevention Risk Management RAG Lang Chain LangGraph Tool calling Function Calling Agentic Workflows OpenAI API Azure OpenAI Embeddings Semantic Search Weaviate Hybrid Retrieval BM25 Prompt Engineering Context Window Optimization LLM Evaluation Hallucination Mitigation Grounding GuardRails Streaming (SSE)Langfuse MongoDB Redis Firestore PostgreSQL Denormalization Prometheus Grafana Structured logging SLOs SLIs SLO SLAs Distributed Tracing OAuth JWT RBAC 2FA KYC React Redux toolkit React Query Tailwind Zod Jest React Testing Library React Hook Form Webpack Angular System Design Data Structures

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