E-Commerce Architect & Shopify Specialist

Oğuz Kaan Çağatay
Kılınç

📍 Ankara, Turkey Open to freelance projects
Shopify stores don't fail because of bad code. They fail because no one asked the right questions first. I build the architecture — and ask the questions.
[email protected] linkedin.com/in/okcknet

Currently

  • Freelance E-Commerce Architect — building okck.net as a platform for consulting & writing
  • E-İhracat Education Program — TOBB ETÜ until May 2026
  • Preparing a 4-hour Shopify training session until April 11

Experience

OKCK.net

Freelance · Current
Ankara, Türkiye · Remote

E-Commerce Architect & Shopify Expert

April 2026 - Present

Providing high-level Shopify architecture consulting and strategic e-commerce solutions for global brands and merchants.

  • Operating as an E-Commerce Architect to design scalable, high-performance Shopify infrastructures that align technical execution with business growth.
  • Delivering strategic consulting and technical audits, focusing on performance optimization, checkout extensibility, and conversion strategy.
  • Architecting an intensive Shopify training program aimed at educating merchants and developers on advanced ecosystem standards.
  • Producing technical thought leadership and documentation to standardize modern Shopify development workflows and best practices.
  • Engaging with the Shopify community through forums, social media, and events to share knowledge and stay connected.

DigiFist

Full-time · 3 yrs 6 mos
Antwerp, Belgium · Remote

Development Team Lead

Feb 2025 - Mar 2026 · 1 yr 2 mos

Built and scaled a development team from the ground up — standardized Shopify architecture across all agency projects.

  • Led the development team in defining best practices for Shopify architecture, focusing on performance, accessibility, and clean code.
  • Directed technical recruitment — conducting interviews and scaling a high-performing team.
  • Reduced project delivery times through standardized components, automation, and sprint optimization.
  • Mentored developers on advanced Liquid techniques and modern frontend workflows.

Senior Frontend Developer & Shopify Developer

Oct 2022 - Feb 2025 · 2 yrs 5 mos

Developed and optimized dozens of Shopify storefronts — consistently improving Core Web Vitals and conversion metrics.

  • Built high-performance Shopify storefronts with Liquid, HTML, CSS, and Vanilla JS — mobile-first throughout.
  • Identified and executed frontend optimization opportunities to improve speed, accessibility, and conversion.
  • Maintained code consistency across diverse Shopify themes and project timelines.

Nexum Boğaziçi

Full-time · 11 mos
Istanbul, Turkey

Senior Frontend Developer

Dec 2021 - Oct 2022

Frontend lead on flypgs.com — one of Turkey's highest-traffic e-commerce platforms, serving millions of users.

  • Senior Frontend Developer on the Pegasus Airlines (flypgs.com) project — large-scale, high-traffic platform.
  • Executed comprehensive performance and page speed optimizations to improve user engagement.
  • Worked in an Agile Scrum framework alongside designers and backend developers.

Webdenal

Full-time · 6 yrs 5 mos
Istanbul, Turkey

Full Stack Developer

Aug 2015 - Mar 2019 / Dec 2019 - Dec 2021

Six years building and maintaining a full e-commerce platform — integrations, automation, UI, and data analysis.

  • End-to-end maintenance and development of UI/Admin interfaces using JSP, HTML5, CSS3, and JavaScript.
  • Engineered automated data pipelines with Perl for supplier product data and XML feeds.
  • Managed marketplace integrations: Amazon (MWS API), Trendyol, Hepsiburada, N11.

TAHA Giyim / LC Waikiki

Full-time · 10 mos
Istanbul, Turkey

Senior Frontend Developer

Mar 2019 – Dec 2019

Designed and built two platforms from scratch — a corporate site and an internal portal — within a single engagement.

  • Built tahagiyim.com from the ground up — lightweight corporate architecture.
  • Developed tahaportal.com, a responsive internal platform utilizing device and browser data for UX optimization.
  • Participated in Agile "Slicing" meetings and supported preliminary analysis of process owner requests.

Earlier Career

  • Rent a Depo — Corporate Communications Executive Nov 2014 - Feb 2015 Digital marketing and social media for an early-stage self-storage startup.
  • Astaldi — Intern Engineer Aug 2013 - Sep 2013 On-site internship at the Yavuz Sultan Selim Bridge construction project.
  • Dinamik Gazete — News Writer Oct 2012 - Jul 2013 University journalism covering student life and social issues at Boğaziçi.
  • Joy Grup — Social Media Strategist Jul 2012 - Apr 2013 Website development, brand identity, and social media management.
  • BUCampus — Co-Chair & Webmaster Aug 2009 - Mar 2012 Webmaster then Co-Chair of Boğaziçi University's social network platform.

Skills & Tech

Specialization
Shopify Performance CRO E-commerce Psychology Shopify Liquid Web Components Accessibility (A11y) AI-Driven Workflows
Technical
HTML5 CSS3 Vanilla JS (ES6+) PHP MySQL XML / XSD RESTful APIs Marketplace Integrations
Methods & Tools
Agile & Scrum Technical Leadership UX Design Jira ClickUp Notion Slack Git Photoshop
Environments
macOS Linux (Ubuntu) Windows
Languages
Turkish — Native English — Advanced

Certifications

Completed
  • Shopify — Solution Planning Fundamentals Shopify Academy - 2024 Scoping and planning Shopify solutions for merchants
  • Shopify — Development Fundamentals Shopify Academy - 2024 Core Shopify development architecture and best practices
  • Shopify — Liquid Storefronts for Theme Developers Shopify Academy - 2024 Advanced Liquid templating and theme architecture
  • Shopify — Positioning the Value of Shopify Checkout Shopify Academy - 2024 Checkout optimization and conversion strategy
  • ES6 Javascript: The Complete Developer's Guide Udemy - 2023 Modern JavaScript patterns and advanced ES6+ features
  • Advanced CSS and Sass: Flexbox, Grid, Animations Udemy - 2022 CSS architecture, animations, and responsive design systems
  • Mastering Clean Code in JavaScript Udemy - 2022 Code quality, refactoring, and maintainability principles
  • Advanced JavaScript Udemy - 2022 Deep dive into JS engine, closures, async patterns
  • Shopify Theme Development: Online Store 2.0 Udemy - 2022 OS 2.0 architecture, sections, blocks and JSON templates
  • Learn Shopify Liquid Programming Udemy - 2022 Liquid syntax, filters, and dynamic template logic
In Progress
  • Google Project Management: Professional Certificate Coursera - 2026 Project lifecycle, Agile, risk management
  • Google UX Design: Professional Certificate Coursera - 2026 User research, wireframing, prototyping
  • Google AI Essentials Coursera - 2026 AI fundamentals and practical workflows

Volunteering

  • Sen De Gel Association — Web Developer Nov 2020 — Present Managing and maintaining the official website for the NGO.
  • TEGV — Educator Oct 2019 — Jun 2021 Creative & Algorithmic Thinking workshops. Block-Based & Robotic Coding. (Google.org Algo Digital Project)
  • TOG — Board Member, Mentoring Project Jan 2004 — Feb 2009 Designed and published the TOG Mentorship Project website. Five years of community initiatives.
  • Joomla! — Area Coordinator Jan 2007 — Dec 2007 Led Turkish translation & localization of Joomla! CMS. Community technical support.
  • AHDER — Project Coordinator Jan 2005 — Aug 2005 Earthquake awareness education to 20,000 elementary students across Istanbul.
  • Radyo Boğaziçi — Radio Programmer Oct 2003 — Mar 2005 Weekly two-hour specialized radio program for 1.5 years.

Education

Boğaziçi University

Civil Engineering — Dropout
Transitioned to a professional career to focus on full-time software development and technical projects.

Philosophy

For me, coding is…

  • A strategic mind game where technical precision meets creative problem-solving.
  • A living organism rather than a static stack — a dynamic system defined by prerequisites, cycles, and meaningful consequences.
  • A philosophy of growth that bridges the gap between complex logic and seamless human experience.