• Took over a US‐based project in the middle of the alpha phase and guided it to a production‐ready state using React Native and React Query, implementing features such as in‐app messaging, notifications, and subscriptions.• Integrated third‐party tools such as Firebase (Analytics, Auth, DynamicLinks, RemoteConfig, Push Notifications), Stripe, MailerLite, and Google Maps and Places API, completing each integration within deadlines.• Deployed the app on the App Store and Play Store, implemented and managed a CI/CD pipeline, and updated features and fixed bugs based on customer feedback through more than 70 updates.• Leading two junior developers, facilitating skill development and involving them in the planning process to improve overall efficiency.• Conceptualized, designed and created an AI travel advisor project using React Native with Expo, React Query and Firebase, along with ChatGPT and Google Places API integrations.

• Enhanced the Migros SanalMarket web platform, the largest online grocery store in Turkey, by implementing new features using Angular.• Improved the post‐order pages for clearer communication of order information after purchase, and added new components that significantly enhanced user experience and conversion rates, benefiting SanalMarket's over 5M users.• Led the team to increase test coverage by over 50%, encouraging more thorough testing and ensuring higher quality and reliability.

• Developed and maintained the Post Order pages for the renewed online grocery app in React Native as a Customer Experience team member, serving over 2 million users. Collaborated with more than 8 teams and connected with hundreds of engineers.• Built the Order Details and Receipt Summary features using GraphQL queries and added unit tests, which boosted the test coverage up to 90%.• Implemented the "Delivered Package Photo" feature and introduced the "Help & Self‐Service Options" to reduce unnecessary tickets and enable users to resolve order issues independently, which eased the workload of Customer Agents and cut the number of daily tickets by over over 21%.• Built the client‐side UI and backend integrations for the New Driver Tipping UI, removing the old, clunky interface. This update not only elevated driver tips by 10% but also increased user engagement with tipping by 4%.• Utilized Split.io for A/B testing and dynamic feature management, enabling real‐time reconfiguration for over 200K active users and increasing user engagement on the post‐order pages.• Set up Datadog monitors for Order Service queries/mutations, handling over 500K calls daily and alerting on error rate spikes. Additionally, took on on‐call responsibilities every 5 weeks.

• Developed a dashboard‐like Mobile App Analyzer as part of an R&D project. The app analyzes mobile bundles, assigns security scores and detects harmful apps with over 90% accuracy. • Utilized Vue.js with Vuetify UI Pack, Vuex, Axios and WebSocket for additional functionality. Also served as a UX/UI Designer, creating wireframes, mockups and prototypes using Figma, reducing development time.

• Co‐founded a startup with six others, launching an MVP e‐commerce platform for designers to showcase and sell their designs. Developed a WordPress store using WooCommerce, onboarding 300+ designers.

Completed tasks about the software technologies used in most projects of Veripark such as C#, ASP.NET MVC, TypeScript and Angular.js

Developed additional pages and implemented queries for a web-based Java application using Oracle SQL and Java EE.