Shopify Developer & Theme/App Specialist

Miljana Nikolić Shopify Expert

************@*****.*** +381-********* Belgrade, Serbia

linkedin.com/in/miljana-nikolic-619b40364

ABOUT ME

Shopify Developer with 6+ years of experience crafting tailored e-commerce solutions that boost sales, enhance user experience, and strengthen brand presence. Skilled in building custom Shopify themes, developing apps, and integrating third-party APIs to extend store functionality. Adept in Liquid, JavaScript, HTML/CSS, and GraphQL, with a strong focus on performance optimization, responsive design, and scalable architecture. Proven track record of collaborating with designers, marketers, and business stakeholders to deliver high-converting storefronts aligned with business goals. Committed to innovation, clean code, and delivering results that exceed client expectations.

WORK EXPERIENCE

04/2024 – 05/2026

Charleston, South

Carolina, United States

Shopify Developer

Anatta

•Built and customized Shopify themes using Liquid, HTML, CSS, and JavaScript to deliver responsive, high-performing eCommerce storefronts.

•Integrated third-party apps and APIs (Recharge, Klaviyo, Yotpo, etc.) to enhance store functionality, streamline workflows, and improve retention.

•Partnered with designers and PMs to translate mockups into pixel-perfect features aligned with brand guidelines.

•Optimized store performance through code refactoring, asset minification, and theme cleanup, reducing page load times by up to 35%.

•Developed custom sections and reusable components, improving content management efficiency for merchants by 40%.

•Supported migrations of existing eCommerce sites to Shopify Plus, ensuring 100% data accuracy and zero downtime.

•Troubleshot and resolved bugs, contributing to 20% fewer post-launch issues across projects. traffic.

08/2022 – 03/2024

Belfast, Northern

Ireland

Shopify Developer

Iakoe

•Developed and Launched Custom Shopify Stores – Designed and implemented over 30 high-performance Shopify themes, improving user engagement and increasing conversion rates.

•Optimized Store Performance – Enhanced site speed by 25% through asset optimization, lazy loading, and efficient Liquid coding, reducing bounce rates and improving SEO.

•Integrated Third-Party APIs and Shopify Apps – Successfully integrated payment gateways, shipping solutions, and marketing tools, improving store functionality and customer satisfaction.

•Implemented Custom Shopify Apps – Built private and public Shopify apps using Node.js and GraphQL, streamlining inventory management and order processing.

•Enhanced Checkout and User Experience – Customized checkout flows and UX elements, leading to an increase in sales and lower cart abandonment rates.

•Implemented CI/CD Pipelines for Shopify Apps – Streamlined the development workflow, reducing deployment time and minimizing postlaunch issues. 03/2020 – 08/2022

Serbia

Shopify Developer

SMG Serbia

•Developed and deployed checkout extensions and customer account extensions for Shopify Plus stores using Remix and GraphQL API.

•Enhanced Site Speed and Performance – Implemented advanced caching, image optimization, and Liquid best practices, reducing load times by 40%.

•Integrated Shopify Plus Features – Worked with Shopify Plus clients, implementing scripts, checkout customizations, and automation workflows to enhance scalability.

•Built Custom Shopify Apps – Developed private and public Shopify apps using Node.js, React, and GraphQL, automating order management and improving store operations.

•Implemented Advanced Filtering and Search – Developed a custom product filtering system, enhancing user experience and increasing conversion rates.

•Optimized SEO and Mobile Experience – Improved SEO performance through structured data, schema markup, and mobile-first designs, leading to increased organic EDUCATION

08/2018 – 08/2022

Belgrade, Serbia

Bachelor of Commerce

University of Belgrade

•Focused on web development, e-commerce technologies, and software engineering.

•Learned programming languages like JavaScript, Python, and PHP.

•Worked on projects related to Shopify theme customization and API integration. LANGUAGES

Serbian English

SKILLS

Shopify & Shopify Plus

Headless Commerce

Custom Shopify Apps

HTML5, CSS3, JavaScript (ES6+)

Git

Python

Firebase

Adaptability

Payment & Checkout Customization

React.js

Shopify REST API and GraphQL

SEO optimization

Client collaboration and adaptability

Node.js

database management

Liquid

React Native

Theme customization and

development

Responsive design

Time management

AWS

CI/CD

Third-Party App Integration

API Integration

JavaScript

jQuery

Problem-solving

Express.js

Performance Optimization

Collaboration

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