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ajay99511/README.md

👋 Hi, I'm Ajay Elika

LLM / AI Systems Engineer · MS CS @ UCM

GitHub followers LinkedIn Portfolio Gmail

Designing reliable AI‑native systems — from Transformer math to production agentic orchestration.


🧠 Who I Am

I am a Software Engineer and MS in Computer Science graduate (UCM) specializing in LLM systems, autonomous agents, and resilient application architectures.
My work sits at the intersection of deep learning internals, systems design, and real‑world products (mobile, desktop, and web).

I care less about “calling an API” and more about how models work under the hood, how they are orchestrated, and how they behave in production.


🎯 Current Focus

  • LLM internals & math: Transformer forward pass, attention scoring, optimization tricks, KV caching, and efficient decoding.
  • Hybrid architectures: Combining Transformers with State Space Models (Mamba/SSM) for long‑context and streaming workloads.
  • Agentic orchestration: Planning/execution patterns, tool‑use, memory routing, and JSON‑schema‑driven supervisors.
  • AI‑native backends: FastAPI + vector DBs + queues, designed around observability, latency budgets, and failure handling.

🚀 Selected Projects (AI & Systems)

🧮 DL_Algorithms — Deep Learning From Scratch

From‑scratch implementations of core deep learning algorithms and architectures to demystify how modern networks really work.
Highlights: Manual backprop, optimization routines, and neural architectures implemented without hiding behind high‑level frameworks.

Role: Research engineer mindset — building blocks, not just using them.
Stack: Python, NumPy, Jupyter


💳 ICM_Fraud_Detection — Financial Transaction Fraud

End‑to‑end fraud detection pipeline for imbalanced financial transaction data.

  • Data preprocessing, feature engineering, and model training tuned for highly skewed labels.
  • Evaluation focused on precision/recall trade‑offs and practical deployment considerations.

Stack: Python, scikit‑learn, Pandas, ML pipelines


🩺 Diabetes-Prediction — Applied ML for Healthcare

Predictive modeling project for diabetes risk classification, with careful handling of class imbalance and interpretability.
Stack: Python, scikit‑learn, exploratory data analysis, classical ML models


💻 Selected Projects (Product Engineering)

⏱️ Chronos Planner — Intelligence‑Driven Time Management

A desktop‑first, cross‑platform planner that treats time and attention as first‑class resources.

  • Energy‑aware scheduling that aligns tasks with cognitive peaks.
  • Clean Architecture with repositories and strictly separated layers.
  • Polished, glassmorphic UI built for daily use.

Stack: Flutter 3 · Dart · Drift ORM · SQLite · Clean Architecture


🎵 FastBeat — Offline‑First Android Media Player

A native Android media player focused on latency, offline reliability, and delightful interactions.

  • Advanced playback engine with PiP, gestures, and robust background playback.
  • Reactive MVVM with StateFlow powering a modern Compose UI.

Stack: Kotlin · Jetpack Compose · Media3 · Room · Dagger Hilt


🔐 DayVault — Encrypted Personal Journal

An offline‑first, zero‑knowledge diary with cryptographic guarantees.

  • PBKDF2‑derived keys and encrypted storage for journal entries.
  • Hardware‑backed keystore/keychain integration and biometric auth.
  • Resilient autosave & recovery strategies tuned for real users.

Stack: Flutter · Dart · ObjectBox · Cryptography


🛠️ Core Toolbox

🧠 AI, LLMs & Agents

Foundations: Neural nets, backprop, optimization, attention mechanisms
LLM / Agents: LangChain, custom tool-using agents, JSON-schema supervisors
Infra: Python, FastAPI, Qdrant, Redis, Ollama, REST/gRPC, background workers

Pinned Loading

  1. PAW PAW Public

    Personal Agent Workbench (PAW)

    Python 1

  2. FastBeat FastBeat Public

    🎵 FastBeat - A premium, fully offline media player for Android with gesture controls, PiP mode, analytics dashboard, and customizable themes. Built with Jetpack Compose & Media3.

    Kotlin 1

  3. DayVault DayVault Public

    A Personal Diary Application Using Flutter & Dart Framework

    Dart 1

  4. chronos_planner chronos_planner Public

    First Commit to the schedule planner application.

    Dart 1

  5. DL_Algorithms DL_Algorithms Public

    A research-grade, hands-on deep learning and LLM curriculum.

    Python

  6. ICM_Fraud_Detection ICM_Fraud_Detection Public

    This is a real-time transaction fraud detection system — the exact kind of thing that runs inside Visa, Mastercard, PayPal, Stripe, and every major bank's payment processing stack.

    Python