Experiences

Team: FK Team

Highlights:

• Prevented critical content leaks between platforms by developing a custom Snapshot Validator Tool designed for CI/CD integration, and led a technical presentation to all frontend teams for adoption.
• Technically designed and implemented critical product features, such as parlay betting, collaborating closely with Product, Design, and Analytics teams.
• Designed and built an AI-powered POC with chat-based assistance and statistical comparison, demonstrating potential AI integration into the platform.
• Created a unit testing guideline for all frontend teams, covering common mistakes, performance optimizations; presented it to all teams and published the documentation for ongoing reference.
• Improved developer experience across backend and frontend teams by implementing a .NET solution to run client-side scripts from deployed environments.
• Executed migration of several legacy jQuery pages to a standardized React architecture, reducing technical debt and increasing component reusability for faster development cycles.
• Mentored mid-level and intern developers via onboarding, guidance, and code reviews, boosting productivity and maintaining high code quality.

Team: Web Fundamentals

Highlights:

• Senior Software Engineer (IC3) in the Web Fundamentals team within the Web Domain, working on SEO scalability, core frontend architecture, UI implementation, and platform stability across 20+ country websites, including Yemeksepeti, Foodpanda, and Foodora.
• Designed and implemented the centralized automated sitemap solution, automating a previously manual workflow, including Datadog monitoring integration and Slack alerts to ensure system stability for websites across 20+ country domains, by leading RFC and ADR processes and collaborating with multiple squads, enabling Google to crawl and index hundreds of thousands of new URLs, resulting in a 20% increase in non-branded impressions and an 18% increase in non-branded traffic in 2023.
• Delivered technical presentations of the sitemap solution to global Web Domain teams, ensuring alignment and adoption across international developers and stakeholders.
• Enhanced CI/CD pipelines in the Web project monorepo by adding support for building and releasing services beyond microfrontends, including cron jobs, using Webpack, Docker, and GitHub Actions.
• Collaborated with SEO and content teams to build CMS features, including bulk import/export, significantly reducing content publishing and update time without requiring technical support, while creating a foundation to enable AI-driven content generation.
• Designed and implemented dynamic meta tag customization per vendor by leading RFC and ADR processes and collaborating with various chapters, improving search indexing and crawling efficiency at scale.
• Executed performance load tests with K6 to migrate legacy pages into three new microfrontends, maintaining high performance benchmarks after launch.
• Created clear documentation of the load testing workflow and distributed it across the Web Domain to support adoption by other teams.
• Participated in chaos testing sessions as the service owner to confirm our microfrontends stayed functional when certain selected services were down.
• Mentored mid-level developers in my squad, providing hands-on guidance, and offering constructive feedback to support their career growth.
• Conducted technical interviews for developer candidates, helping grow the team while maintaining high engineering standards.

Team: Web Team, GetirÇarşı Disco

Highlights:

• Collaborated with the Web Team to build the GetirÇarşı web pages from scratch in Next.js using Redux-Saga and styled-components, while contributing to core components library and reusing features from GetirYemek.
• Implemented high-impact frontend features from Figma designs with pixel-level accuracy, including flower shop gift delivery and shopping mall product details with variants, in-shop filters with infinite loading, collaborating with backend and mobile developers on API design and data flows.
• Contributed to backoffice tools built with Nest.js and React, enhancing functionality and improving internal workflows for shop management.
• Mentored new joiners in a global team, supporting onboarding, knowledge transfer, and accelerating their contribution to the codebase.
• Led technical interviews and case assessments for candidates, supporting hiring and team development.

Team: Arfleet

Highlights:

• Continued developing frontend, mobile, and backend features for the Arfleet platform, delivering end-to-end functionality across web and React Native apps.
• Collaborated with QA engineers to set up automated tests for Arfleet Web using Gauge, improving test coverage and release confidence.
• Enhanced offline-online sync logic for Arfleet Mobile, handling data conflicts and improving reliability when transitioning between offline and online states.
• Delivered a JavaScript workshop for all company software engineers, sharing best practices and practical guidance to strengthen frontend expertise.

Team: Arfleet

Highlights:

• Proactively contributed to early architectural decisions for the Arfleet logistics management platform, creating POCs comparing SSR, CSR, and tooling options like Webpack, Create React App, Razzle, and Next.js to support a scalable frontend setup.
• Collaborated with senior engineers to evaluate and select a React component library for Arfleet Web, assessing long-term maintainability, usability across complex form-heavy screens, and team-wide adoption potential by building POCs and presenting findings.
• Developed reusable UI components and implemented core flows for Arfleet Web SPA in React and Redux, improving development speed and consistency across the platform.
• Implemented backend features using .NET Core, Microsoft SQL Server, and IdentityServer, integrating authentication and authorization flows and building production-ready endpoints.
• Co-developed the Arfleet Mobile app for Android and iOS using React Native, Redux, and Realm database with an offline-first approach, enabling ship crews to operate without network connectivity and sync data reliably when online.
• Identified performance bottlenecks in the mobile app, analyzed rendering and state patterns, and implemented optimized examples that were adopted by the wider team to improve responsiveness and user experience.

Team: Business Intelligence Team

Highlights:

• Developed a .NET Framework project integrating with the Google Translate API to process large Excel datasets, supporting BI team requirements and reducing cost by caching translations in Microsoft SQL Server.
• Built one of the company's first React + Redux applications, integrating with internal APIs via IdentityServer, under mentorship from senior architects.
• Delivered multiple short-term full-stack projects, gaining hands-on experience across front-end and back-end development while supporting team objectives.

Team: Business Intelligence Team

Highlights:

• Developed a full-stack project from scratch in .NET Framework and jQuery to consolidate employee information across departments and companies within Arkas Holding, improving employee data visibility and access.