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// career history

Professional Experience

Chatbot Developer

Gravitas AI · Full-Time
2024-07 — Present
Remote
Current

Responsibilities

  • Architected **LangGraph-based multi-agent workflow** replacing legacy **AWS Lex/ Lambda** system.
  • Improved **maintainability** and **control flow** across the entire conversational AI pipeline.
  • Evaluated **6 latency reduction approaches** (keyword matching, semantic search, hybrid methods), selecting **few-shot** prompted intent-based navigation as the optimal strategy.
  • Integrated **Groq inference**, reducing response latency by **~65%** (6s → 1.5–2s)
  • Implemented **audio response caching strategy**, achieving an additional **0.5s latency reduction**.
  • Improved **real-time voice UX**, validated across **100+** test runs.
  • Designed and deployed **conversational AI systems** integrating **Meta Developer Platform**.
  • Led **architecture decisions** involving **latency tradeoffs**, **token cost analysis**, and **scalability**.

Freelance AI Data Trainer

Outlier AI · Part-Time
2025-12 — Present
Remote
Current

Responsibilities

  • Benchmarked **4 LLMs** across reasoning, accuracy, and instruction-following for model selection.
  • Curated **450+ multilingual** audio samples, correcting **STT** noise to enhance **ASR** model training.
  • Generated **computer vision datasets** by segmenting interactive UI components.

Trainee Machine Learning Engineer

MasterCourse · Apprenticeship
2023-10 — 2024-01
Remote

Responsibilities

  • Develop datasets using advanced web scraping techniques.
  • Clean, analyze, and visualize data.
  • Optimize and evaluate LLMs and deep learning models.
  • Deploy models and integrate them into real-world applications.

Associate Flutter Developer

Karnaphuli Jewellery Trading LLC. · Contract
2023-07 — 2023-10
Remote

Responsibilities

  • Implement pixel-perfect UI designs.
  • Integrate REST APIs and manage application state.
  • Debug and maintain existing codebases.