Mahadi Hasan Sizan
@mahadihasansizan
Senior WordPress developer building headless WordPress and PSG e-commerce systems for Singapore and global clients.
SingaporeWhat I'm looking for
I build and maintain WordPress and WooCommerce systems clients genuinely depend on, with current work based in Singapore and earlier projects in the UK and beyond.
At Techzu, I manage 35+ live websites and lead a team of 4–5 developers. I’ve built and launched 45+ WordPress websites, optimized for performance, usability, and conversion, including platforms handling over 1 million emails monthly.
I also develop custom plugins when off-the-shelf solutions aren’t enough—like the payment plugin I built and maintain, processing over SGD $7M annually via Stripe, PayPal, PayNow, HitPay, AXS, and Razorpay. Reliability is non-negotiable when that many sites and transactions depend on your code.
I focus on headless WordPress with REST API/GraphQL, PSG-compliant e-commerce for Singapore SMEs, and performance/security/technical SEO. I’ve integrated Claude and Cursor into my team’s workflow to speed delivery and keep plugin bloat down.
Experience
Work history, roles, and key accomplishments
As a Senior WordPress Developer, I specialize in designing and developing high-performing, scalable WordPress solutions for service-based companies across the US, UK, and Singapore.
Over the years, I’ve successfully built and launched 45+ WordPress websites, each optimized for performance, usability, and conversion. My experience includes managing high-traffic platforms that handle over 1 million
White Label Wordpress Developer
Freelance
Sep 2023 - Oct 2025 (2 years 1 month)
Provided white label WordPress development services on a freelance basis.
Having a software developer at Praava Health is a great achievement. I'm grateful to Allah for giving me the ability to take the opportunity. In addition, I want to thank my will be spouse, my family, my friends, and my coworkers for their assistance in getting me this position.
#PraavaHealth #Career #Job #Software-developer #FrontEnd #Wordpress
Having a software developer at Praava Health is a great achievement. I'm grateful to Allah for giving me the ability to take the opportunity. In addition, I want to thank my will be spouse, my family, my friends, and my coworkers for their assistance in getting me this position.
#PraavaHealth #Career #Job #Software-developer #FrontEnd #Wordpress
Worked as a WordPress developer at Econ Sourcing.
Developed WordPress solutions and managed web projects.
Provided graphic design services on a freelance basis.
Provided web development services on a freelance basis.
Provided graphic design services on a freelance basis.
Provided web development services on a freelance basis.
| WORDPRESS WEBSITE DESIGN AND MANAGEMENT
| DESIGN OF INTERNAL SOFTWARE ( FRONTEND)
| LARAVEL & PYTHON SOFTWARE ( FRONTEND)
| SERVER MANAGEMENT ( AWS & AZURE)
| MANAGING THIRD PARTY
| SOFTWARE ( CLICKFUNNELS, FLUENTCRM )
| WORDPRESS WEBSITE DESIGN AND MANAGEMENT
| DESIGN OF INTERNAL SOFTWARE ( FRONTEND)
| LARAVEL & PYTHON SOFTWARE ( FRONTEND)
| SERVER MANAGEMENT ( AWS & AZURE)
| MANAGING THIRD PARTY
| SOFTWARE ( CLICKFUNNELS, FLUENTCRM )
Managed web development and digital marketing efforts.
Worked as a web developer and digital marketing manager at Araz.
Worked as a web developer and mentor at ITQS.
Provided web development and mentoring services.
Performed web development and graphic design duties.
Worked as a web developer and graphics designer at Bubbles.
Worked as a graphic designer and mentor at DIB.
Provided graphic design and mentoring services.
Education
Degrees, certifications, and relevant coursework
Kodom Rasul College
Bachelor of Business Administration, Business Administration and Management
2017 - 2021
Bachelor of Business Administration in Business Administration and Management from Kodom Rasul College from 2017 to 2021.
Kodom Rasul collage
Bachelor of Business Administration - BBA, Business Administration and Management, General
2017 - 2021
Tech stack
Software and tools used professionally
Availability
Location
SingaporeAuthorized to work in
Website
mahadihasansizan.xyzJob categories
Skills
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