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Python • Java • C++ • Automation

Shipping useful software with clarity and speed.

Backend-first developer who actually cares about DX and tests. Python is home base, but I also write robust Java and C++ when performance matters.

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PP

Backend • APIs • Tooling

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This demo is a live, visual-language model. I can tailor a chatbot like this for your business.

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Vision + language. Ask questions, drag in images, and iterate. If the embed is blocked, use the button.

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Projects

FastImage Pipeline

Streaming image processing with asyncio. Built for throughput.

PythonAsyncIOPillow

API Boilerplate

Production-grade FastAPI starter with auth, tests, and CI.

FastAPIDockerTesting

VectorSearch JVM

Approximate nearest neighbor service in Java with JNI bindings.

JavaJNIANN

CppFastCSV

SIMD-accelerated CSV reader for C++ with zero-copy slices.

C++SIMDPerf

Latest public repos from parsij:

Skills

  • Python (asyncio, FastAPI, Flask, Django)
  • Java (JVM performance, Spring basics)
  • C++ (modern C++17/20, perf-sensitive code)
  • Data tooling (Pandas, SQL)
  • Testing & quality (PyTest, JUnit, coverage)
  • TypeScript basics, REST, WebSockets
  • Docker, Linux, AWS basics

Resume

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Parsa Poosti

parsapoosti@gmail.com · github.com/parsij · https://parsij.github.io

Summary

Backend-first developer delivering stable APIs, automation, and performance-sensitive systems. Python primary, with production Java and C++ when needed.

Experience

  • Freelance Developer, Remote · 2023–2025
    • Built FastAPI and Java microservices with auth and background jobs.
    • Automated pipelines with Pandas + SQL and message queues.
    • Delivered C++ modules for low-latency parsing and math.

Projects

  • FastImage Pipeline · asyncio image jobs; 3x throughput.
  • API Boilerplate · batteries-included FastAPI starter.
  • CppFastCSV · SIMD CSV reader with zero-copy.

Skills

Python, Java, C++, FastAPI, Flask, Django, SQL, Pandas, Docker, Git, CI/CD, TypeScript basics, REST, WebSockets.

Education

Self-directed study.

Updated November 08, 2025.

Contact

Tell me about your project. I reply quickly, and I actually read specs.