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pr4bin/README.md

πŸ‘‹ Prabin Mohanty

AI Specialist | Production LangChain Engineer | Full-Stack Developer
Building intelligent enterprise automation at Commonwealth Bank of Australia


🎯 About Me

I'm a results-driven AI specialist with 5+ years of enterprise experience architecting production-grade automation and intelligent systems. I specialize in LangChain + AI workflows, bridging business logic with large language models to deliver transformative solutions across banking, fintech, and telecom domains.

At Commonwealth Bank of Australia, I've built end-to-end agentic systems, reduced operational cycles by 70% through intelligent automation, and led the integration of AI into core business processes.

Current Focus: Production LangChain implementations, RAG systems, AI agents, and full-stack cloud solutions.


πŸš€ Core Expertise

Category Skills
AI & LLM LangChain, Claude Sonnet, Prompt Engineering, RAG Systems, Agentic AI, Vector Databases, Fine-tuning
Backend Python, REST APIs, FastAPI, Pega BPM, ETL/Data Pipelines, GraphQL
Frontend Next.js, React, TypeScript, Tailwind CSS, DaisyUI, React Query
Cloud & DevOps AWS (EC2, S3, Lambda, DynamoDB), Docker, GitHub Actions, CI/CD
Databases PostgreSQL, MySQL, DynamoDB, Vector DBs (Pinecone, Weaviate)
Enterprise Tools Pega 8.6, JIRA, Confluence, Streamlit, n8n

πŸ’Ό Professional Highlights

🏦 Commonwealth Bank of Australia | Software Engineer

Production Impact:

  • 70% Cycle Time Reduction: Automated regression testing from 1-2 weeks β†’ 3 days (comprehensive semi-automated test suite with progress tracking)
  • 3 Production LangChain Agents: Built end-to-end agentic systems for merchant intelligence and operational automation
  • Merchant MCC Prediction Engine: Agentic AI system using Claude Sonnet 4.0 to analyze business descriptions and predict merchant category codes with 95%+ accuracy
  • Merchant Onboarding Testing Automation: Multi-product testing framework covering 15+ product types, merchant classifications, pricing models, and regulatory and credit checks

Banking & Fintech Expertise:

  • Merchant onboarding workflows
  • Payment processing automation
  • Regulatory compliance integration
  • High-volume transaction handling

πŸ† Featured Projects

1. Merchant Regression Testing Platform πŸ§ͺ

Tech Stack: Python, Streamlit, REST APIs
Impact: Reduced testing cycle from 1-2 weeks to 3 days

Comprehensive regression testing framework for merchant onboarding supporting:

  • Single & bulk test case creation
  • 15+ onboarding product types
  • Merchant type classification, pricing models, address validation
  • Nature of business categorization, credit checks
  • REST API integration for CI/CD automation
  • Export reports for progress tracking

Why it matters: This automation saved the team 200+ hours quarterly while maintaining test coverage.


2. Merchant MCC Prediction Agent πŸ€–

Tech Stack: Python, LangChain, Claude Sonnet 4.0, REST APIs
Status: In Production

End-to-end agentic AI system that:

  • Analyzes merchant business descriptions using Claude Sonnet 4.0
  • Predicts relevant Merchant Category Codes (MCC) with semantic understanding
  • Validates MCCs via REST API calls to ensure regulatory compliance
  • Extracts business tokens and cross-references against valid MCC database
  • Determines accurate merchant nature of business classification

Impact: Eliminates manual MCC assignment (~4 hours/week), improves accuracy, enables intelligent merchant categorization for risk assessment.


3. Rental Property Portfolio Platform 🏠

Tech Stack: Next.js, React, PostgreSQL, Tailwind CSS, TypeScript
Status: Production Deployed

Full-stack SaaS application featuring:

  • Authentication: Secure login/session management
  • Search & Discovery: Filter by location, amenities, cost, rooms, property type
  • Shopping Cart: Save interested properties
  • Messaging: In-app messaging & SMS notifications to landlords
  • Backend: PostgreSQL for application logs, case management, session tracking
  • Real-time Updates: React Query for optimized data fetching

Why featured: Demonstrates full-stack competency combining AI-ready architecture (REST-first, modular backend) with modern React patterns.


πŸŽ“ Certifications & Credentials

Certification Status
AWS Cloud Practitioner βœ… Completed
AWS Solutions Architect Associate πŸ”„ In Progress
Pega Certified Developer (CPDC) βœ… Completed
Python Programming βœ… Completed
React JS βœ… Completed

πŸ”₯ Key Differentiators

✨ Production LangChain Expertise: 3+ agentic systems deployed in banking environment
✨ AI + Enterprise BPM: Rare blend of Pega mastery + modern AI stack
✨ Tier-1 Bank Experience: CBA-scale transaction handling, regulatory compliance, mission-critical systems
✨ Full-Stack AI: Python backends β†’ Next.js frontends β†’ Cloud deployment
✨ Operational Impact: 70% automation gains, measurable business outcomes


πŸ“š Tech Stack Breakdown

πŸ€– AI/ML & LLM
β”œβ”€β”€ LangChain (agents, chains, memory)
β”œβ”€β”€ Claude Sonnet 4.0, GPT-4
β”œβ”€β”€ RAG & Vector DBs
β”œβ”€β”€ Prompt Engineering
└── Model Fine-tuning

🐍 Python & Backend
β”œβ”€β”€ FastAPI, Flask
β”œβ”€β”€ REST APIs & AsyncIO
β”œβ”€β”€ Data Pipelines & ETL
└── Streamlit (rapid prototyping)

🎨 Frontend & Web
β”œβ”€β”€ Next.js 14+ (SSR, ISR, App Router)
β”œβ”€β”€ React 18+, TypeScript
β”œβ”€β”€ Tailwind CSS, DaisyUI
β”œβ”€β”€ React Query, React Hook Form
└── TailwindCSS animations

☁️ Cloud & DevOps
β”œβ”€β”€ AWS (EC2, S3, Lambda, RDS, DynamoDB)
β”œβ”€β”€ Docker & Docker Compose
β”œβ”€β”€ GitHub Actions CI/CD
└── Infrastructure as Code

🏒 Enterprise
β”œβ”€β”€ Pega 8.6 (BPM, CDH, Marketing Automation)
β”œβ”€β”€ JIRA, Confluence, GitHub
└── GraphQL, SQL, NoSQL

πŸ—„οΈ Databases
β”œβ”€β”€ PostgreSQL, MySQL
β”œβ”€β”€ DynamoDB
└── Vector Databases (Pinecone, Weaviate)

🎯 Currently Open To

  • πŸš€ Roles: AI Specialist, Senior Backend Engineer, AI/ML Engineer, Tech Lead
  • 🌍 Locations: International (US/Europe) + India-based remote
  • 🏒 Companies: FAANG, Fast-growing AI startups, Fintech innovators
  • πŸ’‘ Challenges: RAG systems at scale, fine-tuning LLMs, agentic workflows, cloud architecture

πŸ“¬ Let's Connect

I'm open to:

  • Recruiting conversations for AI specialist, senior engineer, or tech leadership roles
  • Technical discussions about LangChain, RAG, production AI systems
  • Collaboration on open-source AI projects
  • Mentorship on Python, LangChain, or cloud architecture

Reach out:
LinkedIn
Email
GitHub


🌟 Random Dev Wisdom

"The best automation is intelligent automation. Build systems that learn, adapt, and improveβ€”not just execute."


Last updated: Jan 2026 | Always learning, always building

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