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Sinan YalcinkayaSY
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Sinan Yalcinkaya

@sinanyalcinkaya

Senior PHP Developer at Optimum7, building SaaS apps and e-commerce integrations; made Meilisearch 10x faster across 20+ stores.

Turkey
Message

At Optimum7 Development Agency, I design and build PHP and Laravel back ends for SaaS applications, e-commerce plugins, and B2B platforms. I developed 20+ applications with recurring billing through Stripe, Paddle, and Authorize.Net, carrying them from design through deployment and support.

I also migrated 50+ e-commerce stores to Shopify and BigCommerce while preserving their data and integrations. For 20+ stores, I integrated and maintained Meilisearch, making search results 10x faster.

At Usta Bilgi Teknolojileri, I engineered a B2B automation platform for printing factories that handled 50,000+ products and 2,000 daily active orders. I integrated Elasticsearch to make product search 20x faster and rebuilt the UI with AJAX and Vue.js, reducing application traffic 5x.

Earlier, I led a 10-person development team at A-Prestige Agency. Across my work, I’ve developed RESTful APIs and integrations, and used TDD, automated unit tests, and performance tuning to keep applications maintainable and reliable.

Experience

Work history, roles, and key accomplishments

OA
Current

Senior PHP Developer

Optimum7 Development Agency

Dec 2020 - Present (5 years 11 months)

Design and build back ends of scalable SaaS applications, e-commerce plugins, and B2B web platforms in PHP and Laravel for clients. Developed 20+ applications with recurring billing and migrated 50+ e-commerce stores to Shopify and BigCommerce.

AA

Development Team Lead

A-Prestige Agency

Dec 2013 - May 2014 (5 months)

Led a 10-person development team, overseeing application architectures, code reviews, and DevOps workflows. Rebalanced workload, updated internal tooling, and mentored new hires while delivering web applications and RESTful API integrations.

HB

PHP Developer

HBB Bilişim

Feb 2010 - Aug 2012 (2 years 6 months)

Back-end developer in a 28-member engineering team building a custom e-commerce platform for wholesale and retail operations. Integrated virtual POS payment gateways for five leading banks and built the platform's APIs.

Education

Degrees, certifications, and relevant coursework

Selçuk University logoSU

Selçuk University

Associate Degree, Computer Programming

2005 - 2007

Associate Degree in Computer Programming from Selçuk University, completed from 2005 to 2007.

BigCommerce logoBI

BigCommerce

BigCommerce App Development Certificate, App Development

Certification in BigCommerce App Development.

Shopify logoSH

Shopify

Shopify App Development Certificate, App Development

Certification in Shopify App Development.

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