Oğuzcan Uzunöner — Full Stack Developer

Career in Numbers

Real, verifiable scale — no inflated metrics

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Years Experience

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K+ Daily Users

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K+ Concurrent Sessions

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+ Enterprise Reports Delivered

Key projects and achievements in my career

DITRAVO

Software Developer

September 2022 – Present

Building national-scale platforms, working across frontend and backend on every product

Vue 2 · TypeScript · Java Spring Boot · Pixi.js

Developed the core ticketing and booking flow serving 100,000+ daily users, end to end from the Vue 2 frontend to Spring Boot REST services
Engineered the seat-selection algorithm handling 10,000+ concurrent sessions during peak sales periods
Built interactive train-car visualization components with Pixi.js, rendering live seat availability per car
Integrated real-time seat status and price updates into the booking flow
Contributed to third-party integrations such as car rental services on the platform

Angular · .NET (C#) · Entity Framework Core · PostgreSQL · DevExpress

Developed 40+ reports on a DevExpress reporting engine, from data layer to printable layouts
Built data-entry screens with complex business rules: multi-line validation, reference-data lookups, approval and posting flows
Optimized report aggregation by replacing per-record query loops with single grouped SQL queries, reducing ~300 database round-trips to 1 on the heaviest reports
Load-tested critical flows with k6 using correlated, production-like scenarios

Vue 3 Composition API · TypeScript · Java Spring Boot

Built a multi-language (TR/EN) shipment tracking system with live third-party carrier integrations
Developed the frontend architecture with Vue 3 Composition API and TypeScript
Designed and maintained Java Spring Boot backend services
Delivered operational dashboards used daily by the logistics operations team

TRENDYOL

Associate Software Developer

June 2022 – August 2022

Internal dashboard and data visualization product on one of Turkey's highest-traffic e-commerce platforms

Built dashboard features end to end with React and Node.js/Express
Created data visualization components with Chart.js for reporting screens used by product teams
Worked with Apache Kafka consumers feeding real-time data into dashboards
Improved slow PostgreSQL queries on high-traffic endpoints and containerized services with Docker, under senior guidance