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Available for opportunities·Dhaka, Bangladesh
Sk. Yeasin Kabir Joy
Backend & On-Device AI Engineer
Building resilient backend architectures, real-time APIs, and private on-device LLM systems.
I specialize in Python and Django backend systems, real-time WebSockets, and database optimizations. Recently, my focus has been on local AI: fine-tuning models with LoRA, running GGUF-quantized models on-device via llama-cpp-python, and embedding inference pipelines into cross-platform Flutter applications.
Core Capabilities
Backend Engineering
Python, Django, DRF, Celery, PostgreSQL, WebSockets, REST architectures.
On-Device AI / LLMs
llama-cpp-python, GGUF quantization, LoRA fine-tuning, Whisper speech-to-text.
Mobile & Prototyping
Flutter, Dart, offline-first mobile apps, HTMX, structured data scraping.
Direct Contact
Experience
Work Experience
Python Software Engineer I
Riseup Asia LLC. (Remote)
May 2025 — Present
Implemented private, on-device LLMs across multiple apps to ensure data security and eliminate server costs.
Conducted R&D on on-device LLM integration for mobile applications to optimize local AI features.
Fine-tuned models using LoRA and performed GGUF quantization and testing with llama-cpp-python.
Software Engineer
Altersense Ltd.
December 2024 — April 2025
Engineered RPA solutions using Python, Django, and Selenium to automate garment industry commercial workflows.
Optimized automation scripts to improve total task completion rates by 30%.
Software Engineer
Eutropia IT
April 2023 — March 2024
Built secure, authenticated APIs for high-scale web-scraping using DRF and BeautifulSoup.
Optimized structured data extraction pipelines, improving data reliability and system maintainability for clients.
Skills & Stack
Technical Capabilities
Backend & Distributed Systems
Scalable services, asynchronous jobs, and real-time WebSocket communication.
PythonDjangoDjango REST FrameworkDjango ChannelsWebSocketsPostgreSQLSQLCeleryREST APIs
AI & On-Device LLMs
Local inference pipelines, quantization, and private model fine-tuning.
llama-cpp-pythonGGUF QuantizationLoRA Fine-TuningWhisper (Speech-to-Text)Local Model DeploymentPrompt Engineering
Mobile & Client Applications
Cross-platform mobile apps embedding local AI models and pragmatic web frontends.
FlutterDartHTMXTypeScriptNext.js / ReactTailwind CSS
Tooling, Automation & Data
Data extraction pipelines, automated RPA scripts, and containerization.
DockerGit & GitHubSelenium RPABeautifulSoupLinux / BashWeb Scraping Pipelines
Education
Education & Credentials
B.Sc. in Computer Science
University of Asia Pacific
2018 — 2022
HSC
Engineering University School & College
2015-2017
SSC
St. Gregory's High School
2004-2015
Projects
Featured Projects
Meeting Transcript Unlimited
A mobile application for long-form audio transcription running locally on-device.
FlutterLLMsWhisperDart
Resume Analyzer
An AI-powered tool that analyzes PDF resumes against job roles and required skills using local LLMs.
PythonDjangollama-cpp-pythonLLMsPostgreSQL
Real-Time Chat Platform
A real-time web chat app with private messaging, group chat, and online presence using Django Channels.
PythonDjangoWebSocketHTMXJavaScript
Updates
Recent Work Log
Slack AI Agent
development · working
2026-09-29
Engineered an autonomous Slack agent leveraging LangGraph and OpenRouter for multi-step reasoning, dynamic tool invocation, and contextual workspace automation.
Full-Stack E-Commerce Platform
development · working
2026-09-20
Architected a production-ready e-commerce system featuring a Next.js frontend integrated with a robust Python/Django and Django REST Framework backend.
Get in Touch
Let's Connect
Whether you have a question about backend architecture, want to discuss on-device LLMs, or have an open engineering role, feel free to reach out.