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J.
B.

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Reputation
23
Finished gigs
0
Finished jobs
0
Website
Not specified
Country
Not specified
Skills
Web, Mobile & Software Dev
HTML
Javascript
React
HTML5
Node.js
MySQL
C#
Microsoft SQL Server
CSS3
Mobile Apps
React Native
Python
AWS
Front End
Back End Developer
Web Programming
E-Commerce Development
Desktop Applications
Databases
Data Science & Analytics
jQuery
Bootstrap
Chatbots
API
API Integration Specialist
Data Structures and Algorithms
VB.Net
ASP.Net Developer
Automation
CI/CD
Data Modeling
Debugging
Google Cloud
Specialization
Software Development
Hourly rate
$35/hr
Preferred payment options
Ethereum
USDT
USDC
About me
Senior Full-Stack Architect with 24+ years of experience delivering end-to-end solutions. I combine veteran engineering reliability (North American Enterprise/Financial background) with modern AI agility. CORE EXPERTISE: 1. Python & AI (The Brain) - Custom chatbots/agents via OpenAI (GPT-4), LangChain, Vector DBs. - Advanced web scraping & workflow automation scripts. 2. JavaScript & Mobile (The Face) - React Native (Expo) & React.js for responsive apps. - Firebase, Google Cloud Functions, Node.js integration. 3. C#/.NET (The Backbone) - Secure, scalable REST APIs & Microservices (ASP.NET Core). - SQL Server optimization & DB modeling. WHY HIRE ME? - Versatility: I handle everything from Python scripts to React Native UI. - Speed: 24 years of know-how + GenAI tools = Fast, bug-free delivery. - Communication: Native-level English, professional updates. I don't just write code; I engineer systems using the best tools for the job.

Work experience

Major Financial Institution (NDA Protected)
January 2019 – Current time
Job title
Senior AI & Backend Team Lead
Work experience & achievements
Leading the development of a high-frequency trading workbench and asset management system. - Integrated OpenAI (ChatGPT) API to automate SQL query generation and optimize backend logic. - Designed microservices architecture using C# .NET Core and Azure Kubernetes Service (AKS). - Managing full-stack development for financial reporting and real-time data analysis.
Large Pension Fund Organization
March 2018 – December 2018
Job title
Senior .NET Programmer and Architect
Work experience & achievements
Developed backend services for financial portfolio hierarchy and benchmark analysis. - Built complex data warehousing solutions using SSIS, SSAS, and SSRS. - Integrated financial data dashboards using ASP.NET MVC and Angular.
Data Analytics Firm
November 2016 – January 2018
Job title
Lead Data Analysis and Technical Consultant
Work experience & achievements
Led a project for POS data analysis and visualization dashboards. - Developed RESTful Web APIs to process large-scale transaction data. - Automated data conversion workflows using Python and Windows Services.

Education

Kon-Kuk University (Seoul, Korea)
Graduation year: 1998
Level of study
Bachelor
Major / Field of study
Language and Linguistics
I will build AI-powered Web & Mobile applications (React, Python, .NET)
Web, Mobile & Software Dev
HTML
Mobile Apps
$35
$35/hr
More info