Systems & Repositories

Engineering Lab & Codebases

Open-source repositories, neural implementations, full-stack enterprise platforms, and low-level algorithmic research crafted by Aashish Chapagain.

Showing 18 of 18 SystemsView all 19 on GitHub

AI & LLMs100% Native NumPy, 0 ML Frameworks

Mini LLM From Scratch

Transformer-based chatbot built using pure NumPy and manual backprop

A tiny Transformer-based conversational model built from the ground up using exclusively NumPy. Implements multi-head self-attention, feed-forward layers, manual matrix backpropagation, and positional encodings without PyTorch or external deep learning frameworks.

Architectural Highlights

Custom multi-head scaled dot-product self-attention mechanism
Exact mathematical backpropagation for all linear and attention projection layers
Custom vocabulary tokenizer, cross-entropy loss, and temperature sampling inference loop

PythonNumPyTransformersManual BackpropMatrix Calculus

AI & LLMsSub-second semantic clinical retrieval

Clinical Doctor AI Assistant

Healthcare diagnosis and inquiry assistant powered by Hugging Face & ChromaDB

Medical intelligence assistant leveraging Hugging Face transformer models, ChromaDB vector database for semantic medical embeddings, and an intuitive reactive frontend interface for clinical query handling.

Architectural Highlights

Vectorized medical knowledge base indexed with ChromaDB
Semantic similarity search pipeline with Hugging Face embeddings
Rapid query disambiguation and patient context synthesis

PythonHugging FaceChromaDBVector EmbeddingsJavaScriptHTML5

Full-Stack & WebEnterprise production deployment

Avenue Butwal Platform

Premier enterprise digital ecosystem engineered at Yarsha Byte

Flagship digital platform designed and architected under Aashish's leadership at Yarsha Byte, featuring high-speed Next.js SSR architecture, fluid typography, and bespoke interactive components.

Architectural Highlights

Modular micro-component architecture with dynamic viewport rendering
Zero-overhead server-side rendering for optimal Core Web Vitals
Integrated brand design language and mobile touch-optimized layouts

Next.jsTypeScriptTailwind CSSEnterprise ArchitectureSEO Engine

View Source Live System

AI & LLMsSpecialized intent classification

Pretrained Custom AI Agent

Autonomous conversational agent with fine-tuned domain intelligence

Modular AI agent architecture featuring domain-adapted pretrained weights, intent routing, and dynamic response generation for specialized automated interactions.

Architectural Highlights

Task-specific context adaptation and token constraint enforcement
Modular prompt templates and fall-back generation strategies

PythonAI AgentNLPModel Fine-tuningChatbot

Systems & AlgorithmsReal-time video frame processing

Biometric Face Recognition

Real-time biometric facial detection and verification pipeline

Computer vision application implementing facial landmark alignment, Euclidean feature distance metrics, and high-accuracy identity verification across varied lighting conditions.

Architectural Highlights

Haar / HOG facial feature coordinate normalization
High-dimensional vector distance classification for identity verification

PythonOpenCVComputer VisionNumPyBiometrics

Systems & AlgorithmsZero-overhead native execution

Low-Level Computational Core

High-performance systems algorithms and memory management in C

Comprehensive suite of low-level algorithms, dynamic heap memory allocations, data structures, and bitwise manipulation routines implemented in pure C.

Architectural Highlights

Direct memory management with strict pointer boundaries
Benchmark routines for cache-friendly data structures

CPointers & HeapData StructuresAlgorithmic Complexity

Systems & AlgorithmsHigh-precision convergence tolerance

Numerical Methods & Matrix Solvers

Computational mathematics, differential approximations, and solvers

Algorithmic implementations of iterative numerical methods, Gaussian elimination, Runge-Kutta differential equations, and polynomial interpolation.

Architectural Highlights

Eigenvalue estimation and matrix decomposition routines
Newton-Raphson and Secant methods with convergence safeguards

Numerical AnalysisLinear AlgebraPythonCAlgorithms

Full-Stack & WebScalable record processing

Exam & Grade Management Suite

Automated academic evaluation, scheduling, and student records

Automated institutional software for managing examination schedules, calculating weighted grading curves, generating report cards, and archiving student academic records.

Architectural Highlights

Relational schema design with integrity constraints
Automated grade calculation and transcript generation

PythonSQL / DatabaseAutomationSystem Architecture

Full-Stack & WebUltra-lean footprint

Microframework Architecture

Minimalist modular web architecture explored from first principles

Experimental lightweight web framework exploring minimal abstractions, direct DOM rendering, event propagation, and state handling without bulky libraries.

Architectural Highlights

Zero-dependency component lifecycle dispatcher
Declarative DOM mutation engine

JavaScriptHTML5CSS3Software Architecture

Systems & AlgorithmsOptimized vectorized throughput

NumPy Vectorized Computing

High-speed tensor manipulation and matrix operations

In-depth explorations and benchmark routines in vectorized array calculations, multidimensional broadcasting, and mathematical operations using pure NumPy.

PythonNumPyVectorizationLinear Algebra

Systems & AlgorithmsClean algorithmic benchmarks

PyPro Algorithms & Systems

Python algorithmic solutions and computational routines

Collection of advanced data structures, sorting benchmarks, search optimizations, and programmatic algorithmic utilities authored in Python.

PythonAlgorithmsData StructuresOptimization

AI & LLMsZero-latency intent parsing

Simple Chatbot NLP

Rule-based and pattern-matching conversational agent

Lightweight conversational agent exploring intent identification, pattern matching, token tokenization, and dynamic dialogue trees in Python.

PythonNLPPattern MatchingDialog Systems

Full-Stack & WebMobile-first responsive architecture

LifePatch Platform

Responsive web UI experiments and modern layouts

Frontend design system testing modular CSS layouts, accessibility standards, and semantic structure for healthcare and wellness presentation.

HTML5CSS3JavaScriptResponsive Design

Systems & AlgorithmsPython core mastery

Python Paradigm Core

Core language internals, memory models, and functional paradigms

Deep dive into Python language internals, generators, decorators, object-oriented design patterns, and asynchronous execution loops.

PythonObject-Oriented DesignGeneratorsAsyncIO

Full-Stack & WebAesthetic styling experiments

Green Star Web UI

Modern web interface and aesthetic layout exploration

Creative frontend application exploring aesthetic styling, clean visual hierarchy, and component composition.

HTMLCSSUI/UXComponent Layout

Systems & AlgorithmsStrongly typed architecture

Java Object-Oriented Architecture

Object-oriented programming, data structures, and JVM algorithms

Architectural exercises in strong typing, inheritance hierarchies, interfaces, and algorithmic problem-solving on the Java Virtual Machine.

JavaOOPJVMData Structures

Systems & AlgorithmsClean commit governance

Git Workflow & Version Architecture

Advanced version control pipelines and branching strategies

Practices in branch merging, rebase strategies, collaborative team workflows, and repository governance protocols.

GitVersion ControlDevOpsBranching Strategies

Full-Stack & WebEvolutionary prototype

Portfolio Architecture Lab

Architectural prototypes for personal branding and project showcase

Exploratory codebase testing personal branding presentations, project taxonomy, and responsive visual design.

PythonWeb ArchitectureUI Design

Algorithmic Rigor

Looking for source code or architecture blueprints?

Every repository showcases clean modular architecture, mathematical verification, and robust typing. Feel free to inspect, star, or fork on GitHub.