Ertuğrul Dege

Sr. Software Developer

Istanbul, Istanbul, Türkiye

About

Senior Software Developer with 9+ years of experience building scalable, high-performance web applications and e-commerce platforms across full-stack environments. Strong expertise in designing backend services, developing modern frontend interfaces, and delivering production-ready systems through automated CI/CD pipelines. Proven track record in designing RESTful APIs, implementing microservices, and optimizing application performance, reliability, and maintainability. Experienced in taking ownership of complex projects from planning to deployment while working in Agile/Scrum teams.

Experience

  • Sr. Software Developer at 4A Labs
    Mar 2025 - Feb 2026 · 1 yr

    Regal Yacht – Yacht & Marina Rental Platform (PHP, Laravel) Built a real-time booking platform with dynamic pricing and availability. Designed scalable backend services for search, reservations, and scheduling, plus operator dashboards for listings and calendar management. HealthPostGenius – AI-Powered Health Assistant (PHP, Laravel) Developed APIs orchestrating AI workflows including prompt handling, validation, and normalization. Implemented safeguards and preprocessing for reliable outputs. Designed a modular architecture enabling easy AI provider/model switching and built admin/user interfaces for content lifecycle management. SOAI – Startup Orchestra Platform (PHP, Laravel) Engineered an AI-ready backend architecture with flexible APIs and configuration-driven workflows. Built admin panels, feature toggles, and integrations while collaborating closely with stakeholders to evolve product capabilities. ReelSize (Koton) – AI Virtual Try-On (Node.js, Express) Integrated AI inference services into real-time experiences. Designed low-latency APIs, optimized backend–frontend communication, and aligned AI outputs with UX requirements. Alarko Carrier – Enterprise E-Commerce (.NET) Contributed to a high-traffic enterprise platform. Delivered core e-commerce features, maintained performance and reliability, and supported complex production systems.

  • Sr. Software Developer at PtteM
    Mar 2022 - Dec 2024 · 2 yrs 10 mos

    E-Export & Logistics Management Platform Backend / Platform Development (PHP) Designed and developed a centralized logistics platform enabling e-commerce and export-focused businesses to manage multi-carrier shipping operations from a single system. Implemented integrations with multiple shipping providers to streamline fulfillment workflows and reduce operational overhead. Built scalable, API-driven services using a microservices-oriented architecture to support high transaction volumes and third-party integrations. Established CI/CD pipelines to ensure reliable, automated deployments and faster release cycles. Maintained long-term system stability through regular PHP version upgrades, security hardening, and performance improvements.

  • Sr. Software Developer at 4A Labs
    Nov 2021 - Mar 2022 · 5 mos

    SAMET Omni-Kit Project: A mobile application project was developed for a company operating in the furniture hinge systems sector. Backend APIs for the mobile app were developed and scaled using Laravel. Admin panel interfaces were designed and a management panel facilitating content management was created. The user experience of the application was improved.

  • Software Developer at Limonist
    Sep 2020 - Nov 2021 · 1 yr 3 mos

    Napolyon.com Research and Marketing Project: The frontend development processes of a platform offering users points and monetary rewards for survey participation were completed. A user-friendly and high-performance interface was designed using Vue.js. Egitim.com Educational Platform: An educational platform for students, featuring a content management system (CMS) and a survey module, was developed. Development tasks were carried out on both the frontend and backend sides. The platform was ensured to be functional and user-friendly. Gloria Jean's Coffees E-Commerce Project: Cart and order services were developed for the e-commerce platform of an international coffee chain. Various backend improvements and feature developments were carried out. Features enhancing the user order experience were added.

  • Full Stack Developer at DMS
    Mar 2019 - Sep 2020 · 1 yr 7 mos