Kadir Ergün

Engineering Manager & PMP

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Major Projects

WeFocus SaaS Platform

Scalable employee engagement SaaS developed at Huawei using Java, VueJS, PostgreSQL, Kubernetes, Istio. Improved platform performance by 30% through microservices optimization.

Petal Maps

Navigation app for HarmonyOS, Android, and iOS. Built with Spring Boot, MyBatis, Kafka, Hibernate, Redis. Led cross-platform architecture and development teams.

EBG (e.huawei.com) B2B E-Commerce Platform

Developed custom CMS and multilingual e-commerce system for Huawei’s global business portal using Spring Boot, ElasticSearch, NLP, Restful APIs, Kafka, Kubernetes.

KoçAilem Loyalty App

Loyalty platform for Koç Holding employees and families, serving 200K+ users. Built with C#, Kentico, DevOps pipelines, and SSO integration.

Fenerium E-Commerce

Online retail platform for Fenerbahçe S.K. with payment gateway, recommendation engine, and Kentico CMS.

Avis & Budget Turkey E-Commerce

Developed Avis and Budget e-commerce channels for car rentals. Optimized for mobile performance and seamless booking experience.

Divan Group E-Commerce

Engineered unified e-commerce system for Divan Hotels & retail products using .NET and Kentico CMS.

Koç Corporate Website

Created unified corporate identity for Koç Holding using modern CMS and modular design system.

E-DNA Mobile App

Android app for Eczacıbaşı, enabling medical education for healthcare professionals with interactive content modules.

CepCard Mobile Payment System

Mobile payment solution enabling wallet integration and secure in-app transactions. Developed both Android client and server-side APIs.

Other Projects

  • Eczacıbaşı İlaç Pazarlama — Corporate website for pharmaceutical marketing division. Visit
  • KoçDigital — Innovation-focused corporate website. Visit
  • KoçZer — Corporate site for KoçZer service division. Visit
  • Imutor — Health product brand site. Visit
  • Tat — Food industry web platform. Visit
  • KTSK (Koç Community Sports Club) — Community sports portal. Visit
  • Koç Corporate — Centralized holding site. Visit
  • Selfit — Sports and fitness e-commerce channel. Visit
  • Dynavit — Health and wellness product site. Visit
  • Token — Fintech e-commerce solution for Token Inc. Visit
  • Zubizu QR Event App — Event-based Android app for interactive participation.
  • Bayer Cropscience App — Android app for agricultural and environmental management.