Available for freelance & remote projects

Senior Backend &
SaaS Developer.

I build reliable backend systems, SaaS platforms, APIs and automation tools with Java, Python and modern backend technologies.

View Projects Let's Work Together

About Me

Independent developer focused on turning business requirements into production-ready software.

I am a backend and SaaS developer with 8+ years of software development experience.

My main stack is Java and Spring Boot. I also use Python and FastAPI for API development, automation, web scraping, data processing and AI/API integrations.

I can work independently from requirements to deployment, including database design, backend architecture, API development, third-party integrations and production deployment.

8+ Years Development

Java Primary Backend

Python API & Automation

SaaS Business Systems

Featured Projects

A selection of business systems and SaaS platforms I have designed and developed.

Manufacturing ERP and Order Management SaaS

01 / MANUFACTURING

Manufacturing ERP & Order Management SaaS

Lightweight ERP for small and medium-sized factories, covering customers, products, orders, production, inventory and business operations.

Java Spring Boot MySQL Redis Vue Docker

02 / FINTECH

AI Trading & Portfolio Platform

Trading platform with market data, AI trading signals, portfolio management, simulated trading and real-time backend services.

Java Spring Boot WebSocket Redis MySQL API

SaaS E-commerce and Order Management Platform

03 / E-COMMERCE

SaaS E-commerce & Order Management Platform

Business platform for merchant, product, order and payment workflows, with centralized management and scalable backend services.

Java Spring Boot MySQL Redis REST API Vue

04 / SERVICE PLATFORM

Moving Service Management Platform

Customer and worker platform supporting automatic quotes, orders, worker assignment, acceptance and administrative workflows.

Java Spring Boot MySQL Redis UniApp API

What I Can Help With

Available for freelance development, remote contracts and short-term technical projects.

Backend Development

Java, Spring Boot, Python and FastAPI backend development, REST APIs and business logic.

SaaS & ERP Development

Business platforms, order systems, management systems and scalable SaaS features.

API Integration

Third-party APIs, AI APIs, payment services, market data and system integrations.

Python Automation

Automation scripts, web scraping, data processing and repetitive workflow automation.

Bug Fixing & Optimization

Backend debugging, SQL optimization, performance improvements and feature development.

Deployment & Infrastructure

Docker, Linux, Nginx and production deployment for backend applications.

Technology

Technologies I work with regularly.

Java Spring Boot Python FastAPI MySQL Redis REST API WebSocket Vue UniApp Docker Linux Nginx Git AI API Integration Web Scraping Automation Data Processing

Have a project in mind?

I'm available for freelance development, remote contract work and short-term technical projects.

Email Me Telegram @w856856