I’m Ozan Özayrancı, a full-stack developer focused on systems that are fast at the interface, predictable in production, and understandable by the next engineer who touches them.
My background as a former professional drummer and volleyball coach still shapes the way I build software: keep the rhythm, communicate early, practise the fundamentals, and make the whole team better. I move comfortably between product UI, backend services, data modelling, security boundaries, and cloud delivery.
product experience → service boundaries → reliable data → observable delivery
- Building production-oriented services in Go, with clear APIs, concurrency-aware design, and operational safeguards.
- Creating accessible product experiences with TypeScript, React, and Next.js.
- Strengthening delivery through containers, Kubernetes, Terraform, Azure, and AWS.
- Exploring practical AI automation where it removes repetitive work instead of adding novelty.
| Layer | Tools I work with |
|---|---|
| Product | TypeScript · React · Next.js · Tailwind CSS · Redux Toolkit · accessible component systems |
| Services | Go · Node.js · NestJS · Python · FastAPI · REST · WebSocket · MQTT |
| Data | PostgreSQL · MySQL · Cosmos DB · Redis · SQL repository patterns |
| Delivery | Docker · Kubernetes · Terraform · GitHub Actions · Azure · AWS · Vercel |
| Engineering | API design · automated testing · observability · performance · application security |
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A responsive messaging product that encrypts message bodies in the browser with AES-256-GCM before persisting ciphertext to Cloudflare D1. Includes durable conversations, offline recovery, encrypted replies and reactions, local drafts, search, and accessibility controls. TypeScript React Web Crypto Cloudflare D1
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A sanitized operational backend for devices, alarms, schedules, and system events. It combines REST APIs, WebSocket updates, MQTT messaging, scheduled workflows, and dual relational databases in a locally reproducible Go service. Go MySQL MQTT WebSocket
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A cloud-native asynchronous processing platform with API and worker services, durable job state, queue coordination, private networking, infrastructure as code, observability, deployment gates, and cost controls. FastAPI PostgreSQL Redis Terraform AWS
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An intentionally vulnerable Django application that demonstrates five OWASP Top 10 flaws—including injection, broken access control, security misconfiguration, and SSRF—with adjacent remediation examples for study and comparison. Python Django OWASP AppSec
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- Clarify the real constraint. Performance, delivery speed, security, and maintainability need explicit trade-offs.
- Design the boundary before the implementation. Small interfaces and clear ownership prevent accidental complexity.
- Make failure visible. Tests, logs, health checks, metrics, and runbooks belong to the product—not an afterthought.
- Leave the system easier to change. Clean code matters most when requirements move and another person must continue the work.
Open to thoughtful engineering conversations and product-focused collaboration.
oozyranci@gmail.com · LinkedIn