j
junebay

JuneBay J.

@junebay

FullStack Systems Architect

South Korea
English, Korean
About me
I design and build end-to-end systems across Web, AI, IoT, and Finance domains. With production systems running for 3+ years, I deliver working solutions — not prototypes. What I bring: • Full-stack web apps (React, Node.js, Python/FastAPI) • AI automation pipelines (OpenAI, LangChain, RAG) • IoT monitoring systems (ESP32, MQTT, real-time dashboards) • Data collection & API integration (web scraping, REST APIs) You don't need a technical spec — just tell me what you want to achieve. I'll organize everything into a clear plan, confirm direction with you, then build and deliver.... Read more

Skills

j
junebay
JuneBay J.
Offline • 
Average response time: 1 hour

See my services

AI Integrations
I will build an ai automation pipeline with openai and python
From$90 / projectMore details
Embedded Systems & IoT
I will build an iot remote monitoring system with mqtt and python
From$90 / projectMore details

Work experience

Fiverr

Freelance Systems Architect

Fiverr • Freelance

Dec 2014 - Present • 11 yrs 5 mos

Designing and building end-to-end automation systems, data pipelines, and full-stack applications. Specializing in AI-powered workflows (OpenAI API), IoT monitoring (MQTT, ESP32), web scraping/data collection, and API integrations. Delivered 50+ projects across Python, JavaScript, C#, and cloud platforms.