Skip to content
BackNov 7
Sijan Z.

Sijan Z.

Senior Software Developer

With over 10 years of experience in software development, I specialize in building scalable and efficient backend systems using Python, PHP, HTML, CSS, MySQL, and JavaScript. As a seasoned professional, I have a strong track record of delivering high-quality solutions for complex business needs, particularly in e-commerce and marketplace integrations. Core Competencies: API Integration: Extensive experience working with Amazon, eBay, Walmart, and other marketplace APIs to streamline operations and enhance functionality. Inventory Management Systems: Designed and implemented custom inventory management solutions for marketplace sellers, ensuring seamless stock tracking and optimization. Re-pricing Systems: Developed dynamic re-pricing tools for platforms like Amazon, eBay, and Walmart, enabling sellers to stay competitive in real-time. Backend Development: Proficient in building robust, secure, and scalable backend systems using Python and other technologies, with a focus on performance optimization and database management. I am a detail-oriented, reliable, and client-focused professional committed to delivering solutions that drive business success. Whether you need a complex system built from scratch or an existing platform optimized, I bring expertise, dedication, and a results-driven approach to every project. Let’s collaborate to turn your vision into reality!

🇱🇰Puttalam, Sri Lanka$20/hr100% JSS4.89 (15)Since Sep 2012

Earnings and projects

MRR
$0

Last 6 months ÷ 6

World#235,796 / 412k
🇱🇰Country#843 / 1,581
Revenue, last 30 days
—

Read daily since Oct 28, under 30 days

Total earnings
$6.3k

Billed in all: $6.9k

World#235,796 / 412k
🇱🇰Country#843 / 1,581
Per project
$261
Projects, last 6 months
0
World#209,850 / 412k
🇱🇰Country#881 / 1,581
Projects in all
24

Across 25 contracts

92% fixed8% hourly
World#116,630 / 412k
🇱🇰Country#640 / 1,581

Earnings, last 30 days

$6.9kNothing earned since Oct 28Billed in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$6.7k$6.8k$6.9k$7.0kOct 28Nov 2Nov 7

Tracked from Oct 28, 2026.

Skills