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GIZEM ARSLAN ALTINBAS

Career of Gizem Arslan Altinbas — Senior Backend Developer & SFCC Specialist

As a backend developer with over 15 years of experience, I have built expertise across e-commerce, banking, telecommunications, and IVR systems. My career spans from Java EE banking applications and VOIP engineering to Salesforce Commerce Cloud backend development. I take pride in delivering robust, maintainable solutions and contributing to cross-functional teams across diverse industries.

Professional Experience

  1. Freelance E-Commerce Backend Developer

    – Present

    • Contributed to Salesforce Commerce Cloud (SFCC) projects by enhancing cartridges and managing OCAPI integrations.
    • Implemented backend modules for login and authentication workflows tailored to SFCC storefront needs.
    • Built and integrated custom business logic for storefront functionality, including product listing, cart, and checkout handling.

  2. Salesforce Commerce Cloud Backend Developer

    –

    OSF Digital

    At OSF Digital, I developed and maintained JavaScript-based SFCC backend e-commerce solutions for high-profile brands including Moët & Chandon, IKKS, and Facom.

    • Developed and enhanced e-commerce websites using SFCC, optimizing site performance, coding standards, and system efficiency.
    • SFRA Cartridge Development: Implemented and optimized SFRA cartridges including Webinterpret, Lengow, Boomi, ShipCompliant, WineShipping, and Narvar to drive global expansion, compliance, and improved post-purchase experiences.
    • Custom Integrations: Implemented custom business logic, third-party integrations, and optimized OCAPI/SCAPI calls for secure and efficient data exchange.
    • Automated Jobs: Designed and managed custom jobs for automated processes including order sync, product imports, and data feeds.
    • Provided project estimations and technical specifications for stakeholders.
    • Worked with cross-functional teams to deliver high-quality digital commerce experiences.
    • Completed training in PWA Headless architectures and Salesforce Ecosystem (Service Cloud, Marketing Cloud, Experience Cloud).

  3. Senior Software Developer

    –

    TEB Bank (BNP Paribas Joint Venture)

    At TEB Bank, I developed and improved internal and external banking applications across Internet Banking, Credit, and Treasury Development teams over nearly eight years.

    • Corporate Internet Banking: Maintained and replatformed the Corporate Internet Banking system to a modern headless architecture using React, Redux, Node.js, TypeScript, and Oracle DB.
    • TEB FX: Contributed to TEB FX, enabling near real-time currency exchange for corporate and retail customers, working on both frontend and backend teams.
    • PUSULA Application: Developed web pages for PUSULA, an internal banking application using the Star framework, implementing MVC-based RIAs with a three-tier architecture (HTML, CSS, JavaScript React, JSP, JSF, jQuery, Ajax for presentation; Java EE for business layer; PL/SQL for data access).
    • Worked with RESTful APIs (JAX-RS), WebSocket, JDBC, and Java Servlets, integrating third-party systems.
    • Managed version control with Git, TFS, Jenkins, and ClearCase.
    • Participated in the full software lifecycle: design, implementation, testing, deployment, and maintenance in agile environments.
    • Collaborated with business analysts to resolve software bugs and solve real-time application issues.
    • Collaborated with security teams to resolve identified vulnerabilities.

  4. GPS Engineer

    –

    NETAS

    • Experienced in VOIP technologies, network topologies, and SIP technologies (SIP Lines, SIP-PBX).
    • Designed and developed solutions for the A2 Communication Server using Java and C++.
    • Investigated issues related to SIP messages between different network elements and provided solutions.
    • Delivered configuration solutions to Genband customers worldwide.
    • Worked on troubleshooting, optimization, and performance enhancement in telecommunication networks.

  5. Software Development Project Expert

    –

    KocSistem

    • Developed call center IVR applications using Java-based tools (Genesys Composer & Avaya Dialog Designer), Java, and PL/SQL.
    • Worked as an outsourcing consultant for YapıKredi Bank for over a year.
    • Participated in high-level design, implementation, and testing stages of the development lifecycle.
    • Contributed to the development of efficient IVR solutions to enhance customer interactions.
    • Ensured seamless integration and optimization of call center applications.

  6. Freelance Projects

    Various

    Designed and developed a company website for salihliyilmazplastik.com.tr using Next.js for server-side rendering, hosted on the AWS Serverless Platform with CDN integration for optimized content delivery. Built with React.js, Next.js, and Node.js.

Skills & Technologies

  • HTML
  • JavaScript
  • CSS & CSS3
  • React
  • Next.js
  • TypeScript
  • Oracle PL/SQL
  • Java
  • Salesforce Commerce Cloud

Certifications

  • TEB Bank SQL Tuning Certificate —
  • TEB Bank JAVA - JSF Certificate —

Let's Work Together

If you need Java backend development, Salesforce Commerce Cloud work, or a custom e-commerce integration, I'd be glad to hear what you're building.

Get in touchWhat I do