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working on portfolio projects
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working on portfolio projects

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Aparnap2/README.md

Hi, I'm Aparna Pradhan.

Applied AI Architect & Full-Stack Engineer

Building Governance-First Autonomous Systems.


🏛️ The Engineering Philosophy

"Outcomes over demos. Architecture over hype."

I bridge the gap between fragile AI research demos and resilient enterprise systems. I don't just write prompts; I engineer stateful, observable, and governed architectures that replace manual operational toil with deterministic reliability.

My systems are built for:

  • Predictability: End-to-end type safety (Pydantic/TypeScript) and binary acceptance tests.
  • Governance: Strict "Human-in-the-Loop" (HITL) gates, RBAC, and audit trails.
  • Observability: If it isn't traced in Langfuse, it doesn't exist.

🛠️ The Architecture Stack

Layer Technology Choice Why?
Orchestration LangGraph LiteLLM Deterministic loops, not random chains. Cost-controlled routing.
Backend Core FastAPI NestJS High-concurrency async I/O for parallel agent execution.
Data Fabric PostgreSQL Neo4j Hybrid Search (Vector + Graph) for grounded truth retrieval.
Observability Langfuse Docker Full visibility into latency, cost per token, and trace failures.

🚀 Production-Grade Architectures

Vertical AI Agent for AP/AR Automation replacing manual data entry.

The Problem: Finance teams drown in manual invoice reconciliation and "email ping-pong." The Solution: A "Trust Battery" architecture that autonomously approves low-risk invoices and escalates anomalies.

  • Architecture: Analyst-Critic Loop (LangGraph) → Slack Intern UIERP Sync
  • Key Innovation: Trust Battery Logic—Dynamic confidence thresholds that increase autonomy over time per vendor.
  • Metric: Reduced manual review by 80% with 100% auditability on escalations.

Event-driven multi-agent system for DevOps & Compliance governance.

The Problem: Alerts are noisy, and manual remediation is slow and risky. The Solution: A specialized "Council of Agents" that triages webhooks and proposes idempotent fixes.

  • Architecture:
    graph LR
    A[Webhook Event] --> B(Sentinel: PR Audit)
    A --> C(Hunter: EBS Cleanup)
    B & C --> D{Action Proposal}
    D --> E[Human Inbox Approval]
    
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  • Key Innovation: Idempotent Action Proposals—Agents cannot "act," only "propose." Humans click "Approve" to execute via secure runners.
  • Agents: Sentinel (Code Quality), Hunter (Cost Ops), Guard (IAM Security).

Next-gen e-commerce support with Generative UI and Universal Commerce Protocol (UCP).

The Problem: Chatbots are dumb text boxes that can't "do" anything. The Solution: A Generative UI agent that renders dynamic React components (Refund Cards, Product Carousels) inside the chat.

  • Architecture: RAG (Vercel AI SDK)MCP Tool ExecutionGenUI Render
  • Key Innovation: Universal Commerce Protocol (UCP)—Standardized schema for product discovery and support actions across platforms.
  • Tech: RAG with Prisma, Vercel AI SDK, React Server Components.

🤝 Engagement Strategy

I partner with technical founders to build assets, not technical debt.

  1. Audit (Week 1): I review your legacy automations/codebase. Output: Latency/Cost Baseline & Architecture Plan.
  2. Build (Weeks 2-4): Sprints focused on passing binary acceptance tests. No "it works on my machine."
  3. Handover: Full documentation, architectural decision records (ADRs), and ops dashboards.

"We cannot solve our problems with the same thinking we used when we created them." – Albert Einstein

Pinned Loading

  1. invoicify invoicify Public

    Vertical AI Agent for Finance Operations - Automated invoice processing with Analyst-Critic pattern, Trust Battery system, and Slack "Intern's Desk" interface.

    TypeScript

  2. personal_assist_app personal_assist_app Public

    AI assistant that produces brand-consistent social posts and organized Notion artifacts, with decisive consultation and human approvals.

    Python 1

  3. smart_commerce_agent smart_commerce_agent Public

    A production-ready, AI-powered e-commerce support chatbot featuring MCP-style tool execution, Generative UI (GenUI), Universal Commerce Protocol (UCP), and RAG-based vector search.

    TypeScript 1

  4. devops_agent devops_agent Public

    Autonomous DevOps/SRE Agent with LangGraph orchestration for proactive incident detection, diagnosis, and remediation.

    Python

  5. ExecMate ExecMate Public

    Active agent automation for SaaS founders. Four vertical agents handle domain-specific workflows with human-in-the-loop approval.

    Python

  6. personal-research-agent personal-research-agent Public

    a powerful, AI-driven research assistant that transforms complex research queries into comprehensive, data-driven reports

    Python