10/24/2026 updated
100 % available
Software Engineer | AI/LLM Applications | RAG | AWS | Backend
Delhi, India
Only remote
Bachelor of Computer Applications (BCA)About me
Software Engineer with 3+ years of experience in backend development, AI-powered customer support, LLM integrations, Retrieval-Augmented Generation (RAG), and cloud deployment. Proficient in building web chatbots using Python, Django, event-driven architecture, Kafka, Redis, Celery, PostgreSQL, AWS
DjangoPython (Programming Language)PostgreSQLRedisDocker ContainerChatbotsAWS LambdaBackendAWS GlueApache KafkaCeleryApi DesignDocker
AI & LLM Integration
Expertise in LLM integration using ChatGPT and Claude AI, including Prompt Engineering, AI Agents, and AI-powered customer support automation across multi-channel platforms such as WhatsApp, Instagram, Gmail, and web chatbots.
Retrieval-Augmented Generation (RAG) & Vector Databases
Proficiency in building RAG pipelines with LangChain, document ingestion and chunking, embeddings, vector search, semantic search, and knowledge base systems using databases such as Pinecone and ChromaDB.
Backend Development & Distributed Systems
Strong background in building scalable backend systems using Django, Django REST Framework, FastAPI, and Flask, combined with distributed systems expertise including Apache Kafka, Redis, Celery, event-driven architecture, and CQRS patterns.
Cloud & DevOps (AWS)
Hands-on experience with AWS services including EC2, S3, IAM, Lambda, Glue, and Athena, as well as Docker, Docker Compose, Nginx, Linux, CI/CD pipelines, and production deployment with SSL/HTTPS.
Database Design & Management
Experience with PostgreSQL, Pinecone, ChromaDB, and SQLite, covering schema design, ACID transactions, and database-level locking for reliable and consistent data management.
Auth & Security
Implementation of OAuth 2.0, JWT authentication, and Role-Based Access Control (RBAC) for secure API and platform access.
API Design & Third-Party Integrations
Design and implementation of RESTful APIs and integration of third-party platforms including WhatsApp, Instagram, Gmail, Stripe, and Paypal.
Web Scraping
Utilization of Selenium and BeautifulSoup for automated web scraping and data extraction tasks.
Programming Languages
Primary programming in Python and Bash scripting for automation and backend development.
Expertise in LLM integration using ChatGPT and Claude AI, including Prompt Engineering, AI Agents, and AI-powered customer support automation across multi-channel platforms such as WhatsApp, Instagram, Gmail, and web chatbots.
Retrieval-Augmented Generation (RAG) & Vector Databases
Proficiency in building RAG pipelines with LangChain, document ingestion and chunking, embeddings, vector search, semantic search, and knowledge base systems using databases such as Pinecone and ChromaDB.
Backend Development & Distributed Systems
Strong background in building scalable backend systems using Django, Django REST Framework, FastAPI, and Flask, combined with distributed systems expertise including Apache Kafka, Redis, Celery, event-driven architecture, and CQRS patterns.
Cloud & DevOps (AWS)
Hands-on experience with AWS services including EC2, S3, IAM, Lambda, Glue, and Athena, as well as Docker, Docker Compose, Nginx, Linux, CI/CD pipelines, and production deployment with SSL/HTTPS.
Database Design & Management
Experience with PostgreSQL, Pinecone, ChromaDB, and SQLite, covering schema design, ACID transactions, and database-level locking for reliable and consistent data management.
Auth & Security
Implementation of OAuth 2.0, JWT authentication, and Role-Based Access Control (RBAC) for secure API and platform access.
API Design & Third-Party Integrations
Design and implementation of RESTful APIs and integration of third-party platforms including WhatsApp, Instagram, Gmail, Stripe, and Paypal.
Web Scraping
Utilization of Selenium and BeautifulSoup for automated web scraping and data extraction tasks.
Programming Languages
Primary programming in Python and Bash scripting for automation and backend development.
Languages
EnglishFluent
Project history
Architected an event-driven wallet and payment system using Apache Kafka with 10+ financial database tables. Implemented a double-entry ledger system with full ACID guarantees, applied Outbox/Inbox patterns, built resilient Celery/Redis workflows, designed RESTful APIs with JWT and RBAC, engineered a real-time event processing pipeline handling 100k events per second, migrated legacy systems to AWS reducing operational costs by 30%, developed an automated CI/CD pipeline reducing deployment time from 2 hours to 15 minutes, and maintained a payment event service processing 150k+ requests daily with 99.9% uptime.
Built an AI-powered multi-channel automation system for WhatsApp, Instagram, Gmail, and web chatbot platforms. Developed a PDF-based knowledge ingestion pipeline using RAG, implemented multi-tenant architecture with isolated business configurations, integrated third-party APIs including WhatsApp, Instagram, and Gmail, and integrated LLM-based response generation using ChatGPT and Claude APIs improving customer query resolution time by approximately 80%. Also architected an HLS-based video streaming pipeline with 4 adaptive bitrate variants, offloaded media delivery to Nginx with token-based expiry validation, and integrated AI-driven backend automation via Celery for content processing workflows.