Alien Cheung

Senior Software Engineer with 5+ years full-stack development experience, specializing in e-commerce, storefronts, CMS, payment integration, and scalable web platforms. Proven ability to improve codebases, migrate legacy systems, and deliver customized enterprise solutions. Comprehensive deskside Level 0-2 operations backed by 6 yr+ IT support experience in education centres.

Senior Software Engineer at Boutir Limited (掌舖) (2018-12 – 2024-10)

Full-stack e-commerce platform development and infrastructure modernization

• Developed full-stack e-commerce features (product display, search/filter, cart, multi-language/currency, payments, shipping, order management, promotions, member accounts)
• Migrated legacy systems to modern infrastructure ensuring data integrity and zero downtime
• Built subscription billing with Stripe (recurring payments + GMV automation)
• Integrated POS systems (MPOS) with pub/sub events, webhooks, and APIs for real-time inventory sync
• Implemented 8+ payment gateways (FPS, Payme, AlipayHK, PayPal, Stripe, YedPay, Billplz) + 6 logistics partners
• Executed comprehensive testing (Unit/E2E/API) using Pytest achieving 80%+ coverage
• Led Scrum sprints managing bug tracking, production support, and live streaming commerce features
• Delivered customized enterprise solutions improving code maintainability and performance

IT Support at Learning Plus Language Centre (2006-10 – 2013-07)

Level 0-2 deskside support and infrastructure management

• Delivered Level 0-2 deskside support for 70+ PCs, servers, CCTV systems, and HR infrastructure
• Managed hardware/software troubleshooting, installation, network support, and IT inventory
• Developed/maintained PHP/MySQL web applications improving operational workflows
• Handled user account management, security monitoring, and multimedia systems (EDM, video production)

Other Experience at Various (2005-01 – 2018-12)

Diverse professional experience

• Traded futures and options (2013 – 2018)
• Worked as a steel fixer (part-time, 2015 – 2016)
• Provided customer engineering support (part-time, Microware, 2005)

Bachelor of Science in Computer Science – Victoria University (2003-10 – 2006-09)

Associate Degree in Computing and Information Technology – Hong Kong Institute of Technology (2003-10 – 2005-06)

Diploma in General Study (Pre-Associate Degree) – CUHK SCS (2002-09 – 2003-07)

Full Certificate in HKCEE – Shun Lee Catholic Secondary School (1997-09 – 2002-07)