Claudio Javier Wensko
About Candidate
Junior frontend web developer with hands-on experience building and maintaining production websites in HTML, CSS, JavaScript, Liquid, and PHP. Recently completed Diploma of Information Technology (ICT50220) with specialisation in frontend and backend web development, including REST APIs, database integration, dynamic web pages, and quality assurance. Proven ability to work in large existing codebases, debug production issues, ship practical improvements, and collaborate with cross-functional teams. Eager to learn modern frameworks like React/Next.js and contribute to a fast-moving product team.
Location
Education
Front-end & Back-end Web Development Specialisation
Work & Experience
• Maintain and extend three Shopify-based ecommerce sites, working within established theme code and shared component systems • Make targeted improvements and bug fixes across both newer and legacy parts of the frontend • Build customer-facing features including advanced product filters, search experiences, dynamic collections, and automated navigation systems • Implement custom functionality using Liquid, JavaScript, HTML and CSS within existing architecture • Develop reusable UI components and page templates across multiple sites • Troubleshoot and resolve frontend issues including layout bugs, JavaScript errors, form validation problems, and cross-browser compatibility • Collaborate with external developers and vendors to implement third-party integrations (Machship, RepairDesk, marketplace APIs) • Debug and fix customer-reported issues, following problems through to practical solutions in production • Conduct comprehensive testing and validation of changes across devices and browsers before deployment Key Projects • Led complete frontend build and launch of SES Creative ecommerce site (December 2025 – January 2026) • Implemented automated shipping quote system with real-time calculations and business logic • Created advanced filtering system enabling customers to search by multiple product attributes • Redesigned product detail page (PDP) with cleaner, more professional layout and improved UX
• Designed functional specifications and worked with backend developers to implement custom Returns and Exchange Management System • Designed and tested "Notify Me When Back in Stock" feature with customer subscription forms and backend integration • Designed intelligent stock allocation logic across four inventory locations with pickup-in-store functionality • Designed complete website user flows and page layouts in Figma (homepage, PLP, PDP, checkout, cart, account) • Implemented designs using HTML/CSS including carousels, promotional banners, responsive layouts, and seasonal design changes • Built and maintained multiple HTML/CSS email templates with dynamic content and product data • Owned major platform migration from Nubing to custom iPN ERP system (2018) • Configured and tested frontend functionality including shipping calculators, payment gateway integrations, and marketplace synchronisation • Worked closely with backend development team to validate implementations and report bugs with clear reproduction steps • Designed and executed comprehensive testing protocols for web platform across all user journeys • Conducted systematic debugging, documenting issues and following them through to resolution • Validated fixes and ensured changes worked correctly in production Key achievement Process improvements and system optimisations increased operational capacity significantly: 1,300 orders processed daily with reduced staff compared to legacy system
