thisiscetin - Overview

Hi, I'm Mehmet! πŸ––πŸ»

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Senior Engineering Lead with 15+ years of experience building scalable platforms across BNPL, payments, e-commerce, and SaaS accounting. Led distributed teams in Istanbul, Bangkok, and Dubai to deliver secure, high-availability systems serving millions of usersβ€” including Gojek PayLater (3M+ daily transactions, 99.99% uptime) and a full-stack financial platform built in 42 days.

Hands-on technical leader proficient in Go, TypeScript, and event-driven microservices, with deep expertise in cloud-native infrastructure (Kubernetes, Kafka, PostgreSQL). Advocates for engineering excellence through TDD, pair programming, and end-to-end system ownership, ensuring speed, scalability, and compliance in regulated domains.

Go TypeScript Elixir Ruby Kotlin

Notable Projects

  • Kinematiks: Designed and deployed autonomous crypto market-making bots, enhancing trading efficiency across exchanges.
  • Gojek: Managed multiple engineering teams, focusing on products like buy-now-pay-later and cash loans, impacting millions.
  • Polira: Co-developed a loyalty point exchange platform within 42 days.
  • Tology: Built a RAG chatbot platform enabling users to create, share, and customize chatbots.
  • iOS Apps: Created generative AI-powered and finance-centric apps from ideation to deployment.