Open to Senior / Lead Roles

Ravi Ranjan Kumar

Senior Software Engineer | Fullstack Developer (Backend Heavy)

New Delhi · +91 6201150218 · contact70raviranjan@gmail.com

Backend-heavy Fullstack Engineer with 6+ years building high-scale distributed systems across fintech, logistics, and social media. Expert in Node.js, React, and AI integrations. Designed AI chatbots generating ₹50L+ in collections and systems handling 1,500+ req/min. Led teams delivering 20+ production applications.

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Experience

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🏦
Apr 2024 – Present
Senior Software Engineer
IARC (Blackstone Portfolio) · New Delhi
Built AI loan recovery chatbot with Gemini, architected Kafka systems at 1,500+ RPM, dispatching 400K+ campaign tasks/day.
Node.jsKafkaAWSGemini AIMongoDBRedis
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🚀
May 2021 – Apr 2024
Software Developer (Team Lead)
Paras Technologies · Mohali
Led 20+ full-stack apps across 4 domains. Built AI interview analysis with Vertex AI, live radio streaming, real-time video calling.
Node.jsExpress.jsAWSGCPVertex AISocket.io
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💻
Jan 2020 – Apr 2021
Software Development Engineer
Platform Tech Solutions · Panchkula
Built 4-5 full-cycle products in e-commerce, affiliate marketing, and restaurant booking with React, Node.js, and GraphQL.
ReactReact NativeNode.jsGraphQLMongoDB
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Skills

skill-map.analysis

Languages

JavaScript
Java
SQL

Backend

Node.js
Express.js
REST APIs
GraphQL

Frontend

React.js
Redux
EJS

AI / ML

Gemini
Vertex AI
OpenAI APIs
Function Calling
Prompt Engineering
Claude Code
Cursor AI

Architecture

Microservices
Event-Driven
Distributed Systems
High-Throughput
Caching

Cloud & DevOps

AWS Lambda
EC2
S3
SQS/SNS
EKS
GCP
Docker
CI/CD

Databases & Messaging

MongoDB
Redis
Elasticsearch
Firebase
Kafka
SQS
RabbitMQ

Integrations

Stripe
Razorpay
Twilio
SendGrid
Agora
Socket.io
JWT/RBAC

Tools

Agile
Jira
Git
Confluence
Code Reviews
Mentorship

Projects

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🎬
WorkUp
America's TikTok, with a professional twist!
Professional video social platform with AI-powered interview analysis, real-time chat & video calls.
Node.jsMongoDBVertex AIStripeAWS
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🚛
Doc Watch
Logistics Made Easy
Truck driver platform to rate and review shippers/receivers with location-based search.
Node.jsMongoDBAWSStripeTwilio
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📻
Cross Fader
Cfader Radio — Live Streaming
Live radio platform with Azuracast integration, subscription billing, and dynamic ads.
Node.jsMongoDBAzuracastStripe
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🤝
BooMe
Gig Worker Platform
Connects businesses, influencers and talent with chat and Stripe Connect payments.
Node.jsMongoDBStripe Connect
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💪
Lifium
Fitness Rewards App
Workout rewards with coin system, e-commerce store, and Razorpay payments.
Node.jsMongoDBRazorpayFirebase
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📡
Direct Reunion
Live Camera App
Access public traffic & weather cameras with referrals and in-app purchases.
Node.jsMongoDBIn-App Purchase
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Education

education.verified

Panjab University, Chandigarh

Bachelor of Engineering
June 2016 – June 2020

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