11/04/2026 updated

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100 % available

Senior AI & E-commerce Engineer | LLM, RAG, Agents | Magento & WooCommerce

Istanbul, Turkey
Worldwide
B.Sc. Computer Engineering, Ss. Cyril and Methodius University, Skopje (2012-2015)
Istanbul, Turkey
Worldwide
B.Sc. Computer Engineering, Ss. Cyril and Methodius University, Skopje (2012-2015)

Profile attachments

Hasan_A_Gultekin_CV.pdf

About me

Senior software and AI engineer, 17+ years building production systems. I build LLM platforms, agentic AI and RAG pipelines, and deliver Magento 2 / WooCommerce e-commerce end to end. Currently building Conviro, an AI support platform live with paying B2B customers in the EU. Remote, CET/EST.

AI AgentsPHPAUTomotive Open System Architecture (AUTOSAR)Cloud EngineeringData ArchitectureDigital ArchitectureEnterprise Architecture FrameworkIndustry Standard ArchitectureLayered Service ProviderNode.jsPHP DevelopmentSoftware ArchitectureNext.jsSolution ArchitectureSystems ArchitectureWooCommerceModel-Driven ArchitectureCloud Platform SystemPHP FrameworksLayered SystemsPHPUnitIT ArchitectureAdobe MagentoInfrastructure Automation FrameworksFull Stack DevelopmentNestJSTerraformShopwareScalable Processor Architecture
Senior Full-Stack Engineer | AI Systems | E-Commerce | Technical SEO & GEO
Senior software engineer and technical consultant specializing in AI-powered applications, scalable SaaS platforms, e-commerce engineering, technical SEO, and AI search optimization. End-to-end expertise from solution architecture and development to deployment, performance, security, and growth.
AI, LLM & Agentic Systems
OpenAI, Claude, Gemini, DeepSeek, LLM orchestration, tool calling, structured outputs, and AI workflow automation.
RAG pipelines, embeddings, Qdrant, knowledge bases, context-aware assistants, and human handoff.
AI customer support, omnichannel messaging, lead qualification, appointment booking, and intelligent automation.
Full-Stack & SaaS Engineering
TypeScript, JavaScript, Python, PHP, Next.js, React, NestJS, Node.js, and Laravel.
Multi-tenant SaaS, REST APIs, authentication, RBAC, subscription systems, and third-party integrations.
PostgreSQL, MySQL, Redis, NATS JetStream, caching, database optimization, and automated testing.
E-Commerce Development & Integrations
Magento 2, Adobe Commerce, Hyvä, Shopify, WooCommerce, and WordPress.
Custom modules, plugins, API integrations, payment gateways, checkout optimization, and product catalog synchronization.
Large-scale product catalogs, multilingual storefronts, performance engineering, and conversion optimization.
Technical SEO, GEO & Organic Growth
Technical SEO audits, crawlability, indexation, XML sitemaps, robots.txt, canonical tags, redirects, and structured data (Schema.org).
International SEO, hreflang, multilingual architecture, Core Web Vitals, JavaScript SEO, and site migrations.
GEO (Generative Engine Optimization), Answer Engine Optimization (AEO), AI search visibility, entity optimization, and AI-readable content architecture.
E-commerce SEO, product/category optimization, internal linking, faceted navigation, and scalable programmatic SEO.
Google Search Console, GA4, GTM, Matomo, analytics, conversion tracking, and SEO performance monitoring.
DevOps, Infrastructure & Security
Docker, Linux, CapRover, Nginx, Git, CI/CD, production deployment, monitoring, and backups.
Secure APIs, webhook verification, access control, infrastructure hardening, and performance troubleshooting.
Automation & Delivery
n8n, CRM integrations, webhooks, business automation, and AI-assisted development using Codex, Claude Code, and Cursor.
Independent architecture, implementation, code review, QA, and production ownership.
Available for remote B2B contracts, AI engineering, SaaS development, e-commerce modernization, and SEO/GEO consulting through an EU-registered company.

Experience

Professional experience10+ years
Freelancer since2016

Languages

GermanBasic knowledgeEnglishFluentRomanianBasic knowledgeTurkishNative speaker

Project history

Software Engineer & Systems Architect

hasangultekin.com (Independent)
Sole engineer responsible for full lifecycle delivery across multiple concurrent platforms including architecture design, backend/frontend development, database engineering, API integration, containerized deployment, monitoring, scaling, and ongoing maintenance. Built AI-powered SaaS platforms, multilingual directory platforms, and 50+ client e-commerce systems. Designed and operated n8n automation pipelines, managed full DevOps lifecycle, and administered Linux production servers.

Digital Tech Developer Specialist

Sanexo B.V.

Other

< 10 team member

Sole technical lead for Magento 2 and Hyvä-based e-commerce platforms. Designed n8n automation workflows, managed product-data pipelines and Google Merchant Center integrations, and implemented Adobe Marketo lead scoring. Owned GA4/GTM analytics, technical SEO, conversion optimization, Redis/Varnish caching, infrastructure monitoring, and GDPR-compliant tracking. Led full-cycle development, integrations, performance optimization, and production troubleshooting.

Digital Tech Developer Specialist

Getir
Contributed to growth engineering through structured market research, funnel analysis, A/B testing execution, and data-driven reporting for product and marketing teams.

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