// UMUT ÇETİNKAYAIstanbul · open to remote

Building systems that run at scale since 2007.

Senior Software Architect. Currently founding Maksinet.
Backend, DevOps, AI, and voice systems.

Umut Çetinkaya
18+
years
code, architecture, scale
50+
projects
SaaS, telecom, e-commerce
10+
companies
lead / architect / founder
// 02

Experience.

# Since 2007. Lead engineer, architect, and founder roles.

  1. 2026 →

    Maksinet● current

    Founder & CEO

    AI transformation partnership company. Outcome-based model instead of hourly billing. 6 production-grade products in portfolio.

    • AI Agents
    • Voice AI
    • LLM
    • Cloud
  2. 2025 - 2026

    SecretHero

    Senior Software Architect

    Built the entire technical infrastructure of a gamification SaaS from scratch. 10+ microservices, React Native mobile app (TapHop), Shopify App and Theme Extension, GitLab CI/CD with Kubernetes cluster.

    • Node.js
    • React Native
    • MongoDB
    • Kubernetes
    • AWS
  3. 2022 - 2024

    Vispera

    Enterprise Integrations Lead / Team Lead

    Led DevOps processes and enterprise integrations. Backend with Ruby on Rails & Node.js. Designed CI/CD on Kubernetes and AWS.

    • Ruby on Rails
    • Node.js
    • Kubernetes
    • Azure
  4. 2021 - 2022

    Medianova CDN

    Senior Software Engineer

    Infrastructure with Kubernetes and Ansible. Optimized Go-based projects. Built high-availability Kubernetes cluster.

    • Go
    • Kubernetes
    • Ansible
  5. 2018 - 2019

    Emlakjet

    Senior Software Engineer

    Full-stack for Turkey's leading real estate platform. Scalable backend with PHP/PostgreSQL, Elasticsearch search, React frontend.

    • PHP
    • PostgreSQL
    • Elasticsearch
    • React
  6. 2017 - 2018

    Cibuu.com

    Software Project Manager

    Real-time chat infrastructure for thousands of concurrent users. Microservices on AWS.

    • Laravel
    • Node.js
    • RabbitMQ
    • AWS
  7. 2016

    Zingat.com (Dogus)

    Senior Software Developer

    Backend development with PHP/Symfony. Data scraping automation with Python/Scrapy.

    • PHP
    • Symfony
    • Python
  8. 2009 - 2016

    SaveAs Yazilim, Teknokay

    Software Engineer → Lead

    ERP, MRP, and accounting software. Large-scale enterprise applications. Full-stack development.

    • ERP
    • Full-stack
// 03

Stack.

# Active technologies — daily production use.

GoPythonNode.jsTypeScriptRuby on RailsPHPDockerKubernetesAWSGCPCloudflarePostgreSQLMongoDBRedisElasticsearchFastAPINext.jsReactReact NativeOpenAIAnthropicLangChainRAGFreeSWITCHLiveKitWhisperTerraformGitLab CIAnsibleGoPythonNode.jsTypeScriptRuby on RailsPHPDockerKubernetesAWSGCPCloudflarePostgreSQLMongoDBRedisElasticsearchFastAPINext.jsReactReact NativeOpenAIAnthropicLangChainRAGFreeSWITCHLiveKitWhisperTerraformGitLab CIAnsible
// 05

Contact.

# New role, collaboration, or just a coffee.

~/contact
> umut@cetinkaya ~ % whoami
Founder & CEO @ Maksinet
Istanbul, Turkey · open to remote (Europe / global)