Kadir Ergun

Engineering leadership for product & tech teams

Engineering Manager with 10+ years across SaaS, e-commerce, and platform work—microservices, DevOps, and cloud-native delivery for reliable, fast-to-ship products.

I’ve led 40+ engineers, built high-traffic commerce experiences, and modernized stacks on Java/C#/.NET, Kubernetes, and Azure DevOps. Based in Istanbul, working with both public and private sector teams.

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Experience

10+ years

Engineering leadership & product

Teams led

40+

Cross-functional squads

Focus

SaaS, E-comm

Cloud, DevOps, AI

Cloud-native

K8s / Azure

CI/CD, IaC, observability

Stack

Java / C#

Spring Boot, .NET, APIs

Capabilities

Hands-on architecture

Microservices, cloud-native delivery, Java/C#, IIS/Windows server ops, and marketing automation at scale.

Microservices Java C# Spring Boot .NET Kubernetes DevOps Cloud IIS Windows Server CQRS APIs Marketing Automation

Latest

On-Prem AI Architecture for Banking: Privacy, RAG and Operational Control

AI Architecture Banking

Designing enterprise AI systems that keep sensitive data inside the institution while remaining searchable, observable and governable.

14 August 2026 - gitops, ci-cd, jenkins, woodpecker, kaniko, harbor, argocd, kubernetes

From CI/CD to GitOps: Building an Enterprise Delivery Chain

DevOps Platform Engineering

A practical delivery architecture from source control to Kubernetes, with selective builds, immutable artifacts, promotion, rollback and release traceability.

10 July 2026 - kubernetes, rke2, etcd, high-availability, longhorn, cnpg, disaster-recovery

Kubernetes High Availability in Practice: etcd Quorum, Storage and Database Replication

Platform Engineering Kubernetes

High availability is a system property, not a node count. This guide examines control-plane quorum, storage recovery, database replication and operational validation.

12 June 2026 - mobile-backend, bff, api-gateway, keycloak, oidc, security, microservices

Designing a Scalable Mobile Backend: BFF, API Gateway, Identity and Sessions

Software Architecture Mobile

A practical architecture guide for mobile backends that must remain secure, observable and compatible as products and teams grow.

02 March 2026 - togaf, adm, governance, gap-analysis, risk-assessment, migration-planning, microservices, devops, observability

A Retrospective TOGAF Case Study: Stabilizing a Fragmented Enterprise Platform (Baseline → Target → Migration)

Enterprise Architecture Case Study

A realistic, retrospective enterprise case study showing how to use TOGAF ADM, governance, risk assessment, and gap analysis to recover from platform fragmentation and deliver a controlled transformation.

05 February 2026 - togaf, enterprise-architecture, adm, governance, architecture-risk, transformation, cto

TOGAF in Practice: From Architecture Vision to Controlled Enterprise Transformation

Enterprise Architecture IT Strategy

A practical deep-dive into applying TOGAF ADM, Architecture Governance, Risk Assessment, and Change Management in real enterprise environments.

Projects

Featured work

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WeFocus SaaS

Employee engagement platform with Java microservices, VueJS, PostgreSQL, Kubernetes, Istio.

Petal Maps

Cross-platform navigation (HarmonyOS, Android, iOS) built with Spring Boot, Kafka, Redis.

Enterprise E-Commerce

EBG B2B portal, Fenerium, Avis/Budget Turkey; multilingual, payment and recommendation engines.

Topics

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