Available to hire
I am Nikola Filipovic, a Senior Shopify Developer with a track record of delivering scalable ecommerce solutions on Shopify Plus. I design headless commerce architectures, build AI-powered features, and optimize performance and integration to drive revenue growth across high-traffic sites.
I collaborate with cross-functional teams to deliver aligned, user-centric experiences, focusing on SEO, mobile performance, and automated workflows that improve efficiency and customer satisfaction.
Skills
Experience Level
Language
English
Advanced
Serbian
Fluent
Work Experience
Senior Shopify Developer at WeDamnSure
July 20, 2025 - PresentArchitected and customized Shopify Plus storefronts using Liquid, React, and Next.js, achieving a 35% boost in page speed and 22% increase in conversions on high-traffic sites. Engineered AI-powered recommendations and dynamic pricing via Shopify Functions and APIs to lift average order value by 28% and personalize shopping experiences. Pioneered headless architecture with Hydrogen and Next.js to improve SEO, scalability, and mobile responsiveness.
Shopify Developer at Chili Apple Limited
January 20, 2025 - PresentEngineered bespoke Shopify apps and storefronts tailored to client needs, delivering around 30% uplift in revenue through enhanced functionality and user engagement. Developed subscription-based checkout flows and automated marketing using Shopify Front End API and Checkout UI Extensions, boosting customer retention by 26%. Integrated ERP/CRM/payments via REST and GraphQL APIs, improving data flows across ecommerce ecosystems. Conducted performance audits, SEO-focused design, and responsive layouts, achieving Lighthouse scores above 95 and strong SEO performance. Orchestrated headless storefronts with Next.js and Hydrogen for future scalability and innovation.
Shopify Developer at Smartsites
September 20, 2021 - PresentDesigned and deployed mobile-optimized Shopify themes using HTML5, CSS3, and JavaScript, generating a 20% lift in mobile conversions. Spearheaded SEO and CRO campaigns through site structure, meta tags, and content optimization, driving 25% growth in organic traffic. Integrated third‑party tools (Klaviyo, Yotpo, ShipStation) for logistics and automation. Refined checkout UX and UI elements with Shopify Functions and Checkout UI Extensions, elevating Lighthouse scores above 95 and improving overall SEO. Led cross-functional team collaborations in agile environments to meet milestones.
Shopify Developer at Code Tribe
April 20, 2017 - PresentBuilt internal Shopify tools and apps to streamline merchant onboarding, reducing time-to-market by 50% and accelerating client go-to-market strategies. Integrated ERP/CRM/payments via REST and GraphQL APIs for seamless data flow. Wrote unit and integration tests (Jest, RSpec) achieving high code coverage to improve stability. Optimized Liquid templates, JavaScript, and Node.js components to boost Core Web Vitals and site performance. Developed plugins and features (loyalty programs, dynamic content) to enhance ecommerce functionality. Collaborated with Jira/Agile to deliver milestones and prototyping with Hydrogen for future scalability.
Education
Master of Computer Applications (MCA) at University at Buffalo
February 20, 2015 - October 23, 2025Bachelor of Commerce (BCom) at Florida Atlantic University
April 20, 2009 - October 23, 2025Qualifications
Industry Experience
Software & Internet, Retail, Professional Services
Skills
Experience Level
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