Ali KÖK
Senior Full Stack Developer & E-Commerce Systems Architect
Professional Summary
Senior Full Stack Developer and E-Commerce Systems Architect with 6+ years of experience in modern web technologies, backend architectures, and multi-channel e-commerce systems. Proven expertise directing end-to-end US marketplace operations (Best Buy, Target Plus, Amazon, Walmart) integrated with Mirakl Connect, Shopify Admin APIs, and Zoho ERP. Coordinated fulfillment and integration workflows for 17,000+ US orders, and built high-performance Python and local database automation engines synchronizing 150,000+ units of warehouse inventory across multiple channels with zero discrepancy.
Skills & Areas of Expertise
Marketplaces & Platforms
Mirakl Connect (Best Buy, Target+, Kohl's, Walmart), Amazon US (Seller Central / SP-API / FBM / FBA), Shopify (Liquid & Admin API), IKAS, IdeaSoft.
ERP, WMS & Logistics
Zoho ERP Ecosystem, 3PL & Warehouse Management Systems (WMS), Multi-channel Inventory & Order Routing, B2B Wholesale & Supply Chain Workflows.
Software & Database Architecture
Python (Data Analytics, API Integrations, Automation Tooling), SQL & Database Architecture (MySQL, Relational & Local Databases), JavaScript / TypeScript, PHP, REST & GraphQL APIs, Git & GitHub.
Operational Strategy
Account Health Management (ODR / OTDR / VTR), Pricing & Campaign Strategy, Customer Escalations & Appeals, Financial & Order Reconciliation.
Work Experience
- Marketplace & Order Management: Directed fulfillment, logistics, and promotional campaigns for 12,000+ orders across Best Buy, Target Plus, and Walmart via live API integrations.
- Omnichannel Integration: Consolidated Target Plus and Best Buy operations into Mirakl Connect, optimizing unified order flow and store management.
- Inventory & Warehouse Sync: Engineered real-time inventory synchronization between Shopify, Zoho ERP, and 3PL warehouse management systems, preventing allocation conflicts between B2B wholesale orders and marketplace sales.
- Account Health & Operations: Managed delivery performance, customer satisfaction, and account health metrics across Amazon and Walmart to maintain uninterrupted selling privileges.
- Data Automation & Analytics: Built custom Python and local database automation tools to aggregate and analyze order, stock, and return data in real time.
- Shopify & Storefront Engineering: Developed custom front-end applications and conversion-rate optimization features using Liquid and JavaScript for international online stores.
- Technical Systems Architecture: Advanced directly into the engineering team after developing mission-critical internal data automation tools and custom software to streamline corporate operations.
- Corporate Intranet & Portal: Built the company-wide intranet portal and internal approval workflows from scratch using PHP and MySQL.
- Payment & Hardware Integrations: Successfully engineered payment gateway integrations (IKAS & PAYTR), as well as in-store POS and scale hardware communications.
- Automation & Workflow Management: Configured Zoho Desk support workflows, Python data automation scripts, and Shopify inventory synchronization pipelines.
- Engineered news portals, e-commerce storefronts, and corporate websites from concept to deployment, optimizing SEO, performance, and content architectures.
- Directed database administration, payment gateway integrations, and multi-channel technical operations.
Education & Languages
Languages: Turkish (Native), English (Professional Working Proficiency — B2)