Filip Rastovic = Stargazer Studio

Custom Shopify Development

Generate higher sales and conversions with a scalable, robust, and high-performing Shopify store designed to meet your business needs

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See Portfolio

Clients

Why Stargazer Studio?

Development Expertise You Can Trust

More than a decade of expertise working with software and e-commerce companies throughout the western world.

Saas

Jewelry

Lifestyle

Bedding

Supplements

Skin Care

Optics

Industrial

Lead Gen

Fashion

Luxury

Pets

Why Us?

What You Get

A Professional Shopify Development Service

Custom Shopify Themes

Fully custom Shopify themes are crafted to align perfectly with your brand and business goals. Lightweight and optimized for speed, these themes provide an exceptional user experience that enhances engagement and drives conversions.

Shopify App Development

Unique functionality is delivered through custom Shopify apps that extend your store’s capabilities. These tailored solutions provide the tools needed to differentiate your business and create a competitive edge.

Enterprise-Grade Shopify Solutions

Scalable and secure Shopify Plus solutions ensure robust performance and reliability for businesses operating at scale. These tailored platforms support high traffic and advanced functionality, enabling seamless growth and dependable operations.

Seamless Integrations

Shopify stores are seamlessly integrated with third-party systems, APIs, and tools, including payment gateways, CRMs, and analytics platforms. This ensures smooth operations and an enhanced experience for both your team and your customers.

Optimized for Performance

Fast load times and streamlined checkout processes ensure your Shopify store delivers speed and efficiency. This enhances the user experience and drives higher conversions, creating a seamless shopping journey for your customers.

Why Us?

What clients say

Filip was AMAZING! The only reason we are ending the contract is because he got too busy with bigger projects. I am sad to loose hiim as he is awesome. I would definitely hire him again and again. If you have the opportunity to work with Filip, you should absolutely do it, he will make you proud!
Liam Shy
Liam ShyFlight Collective
Filip has a unique combo of skills: design & development. He proactively suggested new ideas on how to make the website not just functional but esthetic. He created awesome visual mocks, iterated quickly based on my input and then coded all of it into a superb website. Throughout the process he was a charm to work with. All All in all great designer-developer with an outstanding sense for client service.
Christofer Parker
Christofer ParkerCEO Of Vorb
I needed someone who can design AND develop a landing page and upload it to my website. Filip did a great work in doing the above. It is pleasure working with him, he understands what needs to be done and does it in very quick and efficient way. For my next projects for website I would work with Filip again. Thank you!
Maria Davidson
Maria DavidsonJusto
Filip understood the project, understood my needs and made it happen. Created a really beautiful landing page that is going to work well with my ad campaign.
Andrew Semaan
Andrew SemaanPractice Cultivator
Whaou ! Working with Filip is just GREAT ! Everything is easy and simple. Thanks a lot for your great work, we will be booking you again very soon!
Battista Ravane
Battista RavaneUSBFactory
I enjoyed working with Filip on these landing pages. He created very nice conversion centered designs, and were very knowledgeable about the Unbounce platform. I originally wanted to hire someone in the U.S., but I was very happy with the outcome.
Ryan Grieve
Ryan GrieveGrowth Steps
I've worked with a number of large digital marketing agencies in the past, usually with lacklustre results.I can confidently say Filip delivered twice the expected results at half the price using Figma, Leadpages, and Hotjar.If you are thinking of having a sales letter / long-form landing page designed, you can't go wrong with them.You won't be disappointed."
Chloe DavisMarketing Manager
"We had a positive experience with Filip, he helped us on several landing pages as well as animated visuals. Communication was always smooth and he was very easy to work with!"
FullviewCEO
"I contracted Filip to come up with a new design for our API Marketing landing page and did a great job with it. We had some time delays on the project on our end, and he was very understanding and flexible with our delays and I really appreciated that. He was great communicator and took our feedback and incorporated it into design revisions. It was great working with Filip. Thanks!"
WhichBrowserCEO
"Filip were an absolute pleasure to work with, he understood the project requirements and delivered exactly what we were looking for, in-fact he actually exceeded what we were expecting and offered valuable recommendations as well. We will be working with Filip for a long time into the future."
IOTSolutionsCEO
"Filip was engaged to design a build out a landing page for us and they delivered on the work exceptionally. His process was streamlined and they got the job done quickly and to the timeline we set. Communication was good and he had great response times when discussing feedback or changes. Overall the page/work was awesome and will likely engage him again when needed."
TradeCoffeeMarketing Manager
"He made the whole design processes easy. He came up with a strategy, and executed it following a methodical process. He took into account our competition, our design preferences and our rather unique product. Filip delivered everything on time and exceeded my expectations. I was very impressed and would highly recommend him."
Jeryy Neural Network MediaFounder
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Tech Stack

Why Us?

Portfolio

LINJER

Custom Liquid coding, most interactions handeled with CSS and not JavaScript. Liquid code clean and modular, Shopify customizer allows for block reorder and customization.

  • Planning and Arhictecture
  • Tailwind CSS Design System
  • Liquid Coding
See Portfolio

Passion & Experience

Why Choose Expert Shopify Development?

A systematic and analytical approach ensures that every challenge is tackled with precision. With a strong technical foundation and engineering expertise, problems are addressed methodically to deliver impactful and measurable results.

Full-Stack Solution

Get seamless Shopify front-end and back-end development tailored to your needs. From crafting user-friendly, responsive interfaces to building efficient, scalable Liquid systems, every detail is designed to ensure your website delivers exceptional performance and supports your business goals.

Scaleable Design System

Front-end Look and Feel of the website should be consistent and follow a well defined typographic and layout system. Themes should be built so that code follows DRY Principles (Don’t repeat yourself) and where custom designed styles are declared once and userd across the website.

Lightning-Fast Load Times

Speed matters. Optimized for lightning-fast load times, your website ensures a smooth user experience, reduces bounce rates, and boosts SEO performance. Faster sites keep users engaged and drive higher conversions, making speed a critical factor in your success.

Liquid Coding

Liquid provides a great set of objects and filters that can take care of most use cases – minimizing the need for JavaScript. This is great because JavaScript affects performance metrics.

Interested to learn more?

Take the first step toward unlocking your website’s potential.
Schedule a meeting with no obligation to purchase—because relationships matter more than transactions.

 
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Why Us?

Case Studies

VISIO PRO

Visio Pro needed a customized product selector that’s able to sell products in bulk.

  • Information Architecture, Wireframes
  • Design Mockups
  • Programming
View Case Studies

Key Performance Indicators for Success

EPV

Earnings per view. Maximizing the revenue each visitor brings to your site.

AOV

Average Order Value. Encouraging larger purchases through smart upsell and cross-sell strategies.

CVR

Conversion Rate. Turning more visitors into paying customers with optimized experiences.

PPV

Profit Per View. Increasing the profitability of each visitor’s interaction with your content.

Passion & Experience

The Process

1. Understanding the Project Requirements

Gathering Client Needs & Design Preferences

Before starting development, I consult with the client to understand their vision for the store. I ask about:

  • Brand identity, including colors, typography, and overall aesthetics
  • Required functionalities, such as product filtering, quick view, and custom animations
  • Competitor analysis to identify industry standards and best practices
Choosing a Development Approach

Depending on the client’s needs, I decide whether to build a fully custom theme or modify an existing theme. If a high level of customization is required, I start from scratch. Otherwise, I select a flexible base theme like Dawn and modify it accordingly.

2. Setting Up the Development Environment

Creating a Shopify Development Store

I create a Shopify Partner Account and set up a development store where I can work on the theme without affecting a live website. This ensures a safe testing environment.

Using Shopify CLI for Local Development

I install Shopify CLI (Command Line Interface) to develop the theme locally and preview changes in real-time. This speeds up the development process by allowing me to make edits directly from my code editor and see updates instantly.

Version Control with Git

To maintain proper version control, I set up a Git repository. This allows for easy tracking of changes, collaboration with other developers, and rollback options if needed.

3. Structuring the Shopify Theme

Understanding Shopify Theme Architecture

Shopify themes follow a structured hierarchy, and I organize my files accordingly:

  • Layout: Defines the main structure of the store
  • Templates: Determines how specific pages (product, collection, blog) are displayed
  • Sections: Provides editable components like headers, footers, and featured products
  • Snippets: Contains reusable elements like buttons and icons
  • Assets: Stores CSS, JavaScript, fonts, and images
  • Locales: Manages language translations

Proper organization ensures scalability and easy maintenance of the theme.

4. Developing Core Theme Components

Building a Custom Header & Footer

I start with the header and footer, as they are crucial for navigation and branding. The header includes a customizable logo, navigation menu, search bar, and cart icon. The footer contains links to important pages, social media icons, and a newsletter signup.

Creating the Homepage with Customizable Sections

I design the homepage to be fully customizable using Shopify Sections. This allows merchants to modify the homepage layout via the Shopify Theme Editor without editing code. Common sections include:

  • Hero banners
  • Featured product sliders
  • Testimonials
  • Promotional offers

This ensures the store owner has full control over their homepage design.

Developing the Product Page Template

The product page is critical for conversions, so I focus on:

  • A visually appealing product image layout
  • Clear and responsive pricing display
  • Customizable variant selectors (e.g., color, size)
  • Customer reviews and related products sections
  • Mobile responsiveness to ensure a seamless experience on all devices
Designing Collection & Category Pages

I create a user-friendly collection page layout that displays multiple products in an organized grid format. The goal is to make browsing easy, with intuitive filters, sorting options, and pagination.

5. Implementing Advanced Theme Customizations

Adding Dynamic Content with Metafields

Sometimes, Shopify’s default product fields aren’t enough. I use Metafields to add extra product details like custom size guides, ingredient lists, or additional specifications. This enhances product descriptions and improves user experience.

Enhancing Navigation & Search Features

To improve the store’s usability, I implement:

  • Mega menus for stores with large product categories
  • Breadcrumb navigation for better site structure
  • Live search suggestions to help customers find products faster
Optimizing for Speed & Performance

Fast loading times are crucial for both SEO and user experience. I optimize the theme by:

  • Compressing images and enabling lazy loading
  • Minifying CSS and JavaScript files
  • Removing unnecessary third-party scripts

FAQ

Are you an agency?

Stargazer Studio is Filip Rastovic and he is an independent professional that takes care of the whole process.

Yes, Filip takes care of your design needs using Figma and Photoshop, and implements the designs in your Shopify, WordPress or Unbounce environments. He has worked with over 20 web builder tools and will let you know if he’s not capable of implementing the designs beforehand.

For most website it’s two tests every two weeks.

Stargazer Studio doesn’t use fake experiment data as advertising. Meaning we don’t run an experiment for 2 weeks and then say it earned millions in annual revenue (projecting experiments short term gains to a whole year). We don’t take on as many clients as possible (since it’s only Filip doing the work).

It’s either a fixed price or a recurring model, whatever works for you. Reach out and after it’s clear what you requirements are, you’ll get your proposal with a price estimate.

Yes, check portfolio to see some landing pages.

Yes, see WordPress Development for more informatino.

Yes, see Shopify Development for more information.

Yes, see Unbounce development for more information.

Yes, see Laravel development for more information.

About

Increase revenue your website generates utilizing data-first web development and design with a/b testing.

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Portfolio

Case Studies

Wordpress Development

Shopify Development

Unbounce development

Laravel Development

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