Kadir Ergün

Summary

Engineering Manager with 10+ years of experience driving software engineering, DevOps transformation, and digital modernization. Skilled in scaling enterprise SaaS, e-commerce, and data platforms, leading 40+ engineers, and achieving measurable results through Agile, cloud-native, and data-driven practices.

Blog

I collect technology, team, and product notes on my blog. Read the posts →

Education

Okan University – Master of Business Administration (MBA) (2016 - )

Işık University – Associate of Arts and Sciences (A.A.S.), Management Information Systems (2008–2013)

Work Experience

  • Business Solutions Chief | İSPER A.Ş. (Istanbul Metropolitan Municipality Subsidiary) | Jan 2025 – Present

    Directed municipal digital transformation, combining DevOps practices, application development, and KPI-driven governance to align IT solutions with strategic goals.

    • DevOps & Infrastructure: Introduced CI/CD, IaC, and Kubernetes microservices via Azure DevOps, cutting deployment time and improving reliability.
    • Applications & Integrations: Oversaw .NET Core solutions with MSSQL/LDAP and delivered scalable APIs plus integrations (utilities, e-signature, authentication).
    • Data & Reporting: Built Power BI dashboards for operational/financial KPIs, enabling real-time decision-making.
    • Governance & Leadership: Managed vendors, contracts, and procurement; applied Agile practices and KPI frameworks to boost team delivery.

  • Engineering Manager | Huawei | Jul 2022 – Jan 2025

    Led cross-functional teams in developing large-scale platforms, including employee engagement and navigation systems. Oversaw architecture design, DevOps transformation, and performance optimization for enterprise-scale applications across web and mobile environments.

    Managed development of key Huawei products such as WeFocus SaaS, Petal Maps, and e.huawei.com B2B E-commerce, ensuring scalability, multilingual capability, and high availability.

    Key Technologies: Huawei Cloud, Spring Boot, Microservices, Kafka, Kubernetes, ElasticSearch, Jenkins, MySQL, MongoDB.

  • Senior Product Manager | Turkcell Global Bilgi | Jan 2022 – Jul 2022

    Managed DevOps operations for critical applications and led chatbot development using robotic process automation (RPA).

    • Garanti BBA Banking Chatbot: Project management support, focusing on RPA coding and UI Path automation.
    • Technologies Used: Jenkins, Java, RedHat, Jira, RPA (UI Path), Agile Methodologies.

  • Technical Lead | PortalGrup | Aug 2018 – Jan 2022

    Led a team of 40+ members, including Frontend, Backend, and Mobile teams, working on high-traffic e-commerce platforms, mobile applications, and CMS development. Managed complex system integrations, payment systems, and marketplace connections while maintaining high code quality and adhering to SOLID principles.

    • Implemented infrastructure and application installations on Azure DevOps IaaS (Infrastructure as a Service), managing server configurations and deployments across environments.
    • Migrated the entire system to Azure DevOps and built CI/CD pipelines for all environments (development, staging, production), ensuring automated deployments and continuous integration.
    • Technologies Used: Azure DevOps, IaaS, Pipelines, Kentico, Azure DevOps, MSSQL, Java, ASP.NET MVC, CMS, Agile Methodologies.

  • Senior Android Developer | PortalGrup | Mar 2016 – Aug 2018

    Developed Android applications for enterprise clients such as Bayer and Eczacıbaşı, focusing on event-based mobile solutions and gamification. Contributed to design, development, and deployment of production-grade applications using Java and Kotlin.

    Technologies Used: Android Development, Java, Kotlin, Mobile App Development.

  • Software Developer | Meryüz Bilişim | Dec 2014 – Feb 2016

    Led the end-to-end development of a full automation system for textile manufacturing, covering all stages from production initiation to product packaging. Designed and implemented both the Android application and the server-side architecture, enabling real-time tracking and process digitization across factories.

    Additionally, contributed to the development of CepCard, a mobile payment system focused on secure transactions and wallet integration for retail use.

    Key Technologies: Android Development, Java, REST APIs, MySQL, PHP, Server-Side Application Development.

Previous Experience

  • Freelance Software Developer | Jul 2009 – Sep 2014: Developed backend and mobile systems using PHP, MySQL, and HTML/CSS.
  • Intern | INDEX Group | Aug 2013 – Sep 2013: Internship in IT department at Index Group.

Projects

WeFocus Built a scalable employee engagement SaaS leveraging Java microservices, VueJS, PostgreSQL, Kubernetes, and Istio.

  • Skills Used: Kubernetes, Java, DevOps, Spring Boot, Product Lifecycle Management, People Management, Agile.

KoçAilem Loyalty app for Koç Holding employees and families, reaching 200K+ active users.

  • Skills Used: C#, DevOps, Kentico, Product Lifecycle Management, People Management.

Fenerium E-Commerce Delivered an online store for Fenerbahçe S.K. with integrated payments and recommendation engine.

  • Skills Used: .NET, E-Commerce, Kentico, Marketing Automation.

Avis - Budget Turkey E-Commerce Implemented digital car rental platform optimized for performance and usability.

  • Skills Used: .NET, E-Commerce, CMS.

Divan Group Engineered e-commerce solution for Divan Hotels & retail products.

  • Skills Used: E-Commerce, CMS, .NET.

E-DNA Android App Created a mobile education app for Eczacıbaşı, targeting healthcare professionals.

  • Skills Used: Android Development, Java, Mobile App Design.

TurkTraktor Brand Sites Delivered multiple brand sites (New Holland, Case IH) under TurkTraktor umbrella.

  • Skills Used: CMS, E-Commerce, DevOps

Koç Corporate Website Created Koç Holding corporate site to unify digital identity.

  • Skills Used: CMS, .NET., DevOps

More projects on kadirergun.com/projects.html