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debankadas/README.md

Abstract animated AI systems banner

Hi, I'm Debanka

AI Solution Architect · Agentic AI · Reinforcement Learning · Production AI Systems

Animated introduction

Follow Debanka on GitHub Connect with Debanka on LinkedIn

About me

I architect AI systems that have to do more than return plausible text. I work on systems that retrieve evidence, reason through decisions, use tools, coordinate workflows, verify outcomes, learn from feedback, recover from failure, and remain observable and controllable in production.

I bring 16+ years of software engineering and architecture experience across Amdocs, Tech Mahindra, startups, and now Kognitiv Inc. My work has spanned Australia, Singapore, Europe, Brazil, and India, including systems serving more than 15 million users worldwide.

What I build

Agentic and adaptive systems

Agent runtimes, planning and tool use, memory, multi-step and long-running workflows, human approvals, multi-agent coordination, failure recovery, and reviewable learning from real outcomes.

Retrieval and data intelligence

Enterprise search and RAG, hybrid lexical and semantic retrieval, reranking, knowledge systems, natural-language data interfaces, time-series intelligence, anomaly detection, and recommendation systems.

Learning and model intelligence

Reinforcement learning, post-training, distillation, reward and rubric design, outcome-based evaluation, model comparison, and dynamic routing across models, providers, tools, retrieval strategies, and reasoning effort.

Secure production AI platforms

Sandboxed execution, least-privilege tool access, policy enforcement, secret and data protection, multi-tenancy, observability, regression testing, deployment infrastructure, auditability, and cost control.

Multimodal products

Audio, video, vision, content pipelines, native applications, web experiences, APIs, and the infrastructure required to turn an AI capability into a complete product.

Selected production impact

These outcomes come from different delivery and evaluation scopes:

Dimension Outcome
Global reach Systems serving more than 15 million users worldwide
Enterprise search scale Approximately 3.4 million indexed documents and 7,000 peak concurrent users
Search performance Approximately 986 ms p95 end-to-end latency and 99.8% Precision@1
AI evaluation 98.3% accuracy across defined benchmark and evaluation suites
Delivery reliability Zero reported production defects within the delivered scope
Operational impact Approximately 35% reduction in support average handling time through enterprise RAG

How I approach architecture

  • Treat evaluation, telemetry, regression testing, and failure analysis as product capabilities
  • Measure whether the system completed the task, not whether its response sounded convincing
  • Keep autonomous behavior bounded by permissions, policies, budgets, and human control
  • Let models, tools, and retrieval methods form a dynamic compute fleet instead of hardcoded dependencies
  • Design feedback loops that improve performance without allowing uncontrolled behavioral drift
  • Build end to end, from models and runtimes to APIs, interfaces, operations, and recovery paths

Technical landscape

Area Technologies and methods
Languages Python, Rust, Java, TypeScript, Swift, SQL
Learning and post-training PyTorch, Transformers, TRL, Unsloth, CUDA, LoRA, QLoRA, SFT, DPO, GRPO, RLVR
Agent systems LangGraph, LangChain, LlamaIndex, MCP, tool calling, structured outputs
Retrieval Qdrant, Milvus, FAISS, BM25, ColBERT, SPLADE, hybrid retrieval, reranking
Serving and infrastructure FastAPI, Flask, Node.js, Docker, Linux, AWS, GCP, vLLM, Ollama
Models and providers OpenAI, Anthropic, Qwen, Llama, OpenRouter

Questions I keep exploring

  • How can production agents learn from successes and failures without unsafe drift?
  • How should a system choose its model, reasoning effort, tools, and retrieval strategy for each request?
  • How do we evaluate an agent's full trajectory rather than only its final response?
  • How can agents use memory and tools without receiving unnecessary privileges?
  • When should a system simulate alternative actions before committing to one?
  • How do we make increasingly autonomous systems reliable and secure enough for enterprise use?

Current direction

I spend most of my time at the intersection of:

Agents × Reinforcement Learning × Routing × Retrieval × Evaluation × Security × Simulation

The operating loop I find most compelling is:

observe → reason → retrieve → simulate → act → verify → learn → adapt

I enjoy building AI systems that do not just generate answers, but can make decisions, use tools, evaluate outcomes, learn from experience, and operate reliably in production.

Support the Project

If my work helps your research or products, consider supporting independent research:

Buy me a coffee

Connect

LinkedIn  •  Follow on GitHub

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