Hello

👋

— I’m Ersin, a developer building scalable backends, AI tools and data services. I care about clean architecture and clear UX.

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Ersin

Results & Trust

A track record of on-time delivery, clear communication and high client satisfaction.

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Ersin A.
Antalya, Turkey
100% Job SuccessTop RatedView on Upwork
5.0
“It was great working with Ersin. He completed the project independently, respected the timeframe, communicated updates promptly, and made himself available for testing and fine-tuning.”
— Upwork Client• Web & API delivery
5.0
“Amazing freelancer. Helped me with a variety of projects. Always willing to help, great attitude. Team player!”
— Upwork Client• Multiple engagements
5.0
“He is a talented programmer in computer vision and PyQt.”
— Upwork Client• PyQtGraph plot
5.0
“He is fantastic. The least I can say :)”
— Upwork Client• Electronics project with Arduino

Selected Projects

A few representative builds—each optimized for clarity, reliability and the right dose of AI.

AI • Developer Experience

CodeMind — VS Code Extension

TypeScriptVS Code APILLMs

AI-powered VS Code extension for code summarization and documentation.

  • Summarizes code logic, selections, and Git diffs using LLMs
  • Generates inline comments and professional library descriptions
  • Provides intelligent suggestions for refactoring and code quality
Open project
AI • Retrieval

LangChain-Streamlit-RAG

PythonLangChainChromaDBStreamlitOllama

AI-powered document retrieval and Q&A app with LangChain, Streamlit, and Ollama.

  • Built a PDF-focused RAG pipeline using LangChain and ChromaDB
  • Used Ollama LLaMA 3 for generating context-aware answers
  • Designed an interactive Streamlit UI with multi-turn chat and vector store support
Open project
ML • Time Series

Apple Stock Market Prediction — LSTM

TensorFlowKerasPandasNumPy

Deep learning model for predicting Apple’s stock prices using historical data.

  • Built an LSTM model using TensorFlow and Keras for next-week price prediction
  • Achieved low RMSE error using historical stock data and Kaggle datasets
  • Applied feature engineering and preprocessing with Pandas and NumPy
Open project
Backend • APIs

Weather Forecast API

DjangoDockerSentryREST

Django-based REST API for weather forecasting with Dockerized architecture.

  • Built modular API with Cookiecutter Django to serve temperature, wind, and irradiance forecasts
  • Deployed with Docker across local, docs, and production environments
  • Added authentication, test coverage, and Sentry integration for reliability and observability
Open project
Cloud • Edge Compute

Raspberry Pi Ray Cluster AI

RayRaspberry PiDockerOllama

Distributed AI setup using Raspberry Pi, Ray, and Ollama.

  • Built a Ray-based cluster architecture with Raspberry Pi and Ubuntu VMs
  • Enabled distributed LLM inference using Ollama and Python Ray workers
  • Integrated Ray Dashboard and automated environment setup for monitoring and scaling
Open project

Let’s build something thoughtful

Email
ersinaksarbm@gmail.com
LinkedIn
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