MERT CIRCI
Software Architect · AI Engineer · Full Stack Engineer
Distributed systems in production: microservices on Kubernetes, idempotent payment flows, queue-based integrations and audit logging, built for retries, failures and zero-downtime releases.
A consent-first CRM web app for commercial SMS, call and email messaging (2020). Problem and purpose Teams needed one place to handle consent and the sending of commercial SMS, calls and email across channels. My...
Integrations with several airlines and payment providers for a tourism platform. Problem and purpose A tourism platform had to connect bookings and payments with several airlines and payment providers, and keep a...
An eSIM e-commerce platform built at ComDigital for instant purchase and payment. Problem and purpose Customers buy and pay for eSIMs instantly, many purchases can arrive at the same time, and external eSIM and...
The production platform behind ComDigital's products, run on Kubernetes with a 99.9% uptime target. Problem and purpose ComDigital's products (a marketing data platform, an eSIM e-commerce platform and a vehicle...
An enterprise marketing data platform on Google BigQuery. Problem and purpose Data-driven marketing at enterprise scale needs one governed, secure data layer with fast analytical queries and controlled Google Cloud...
Integration that sells a company's local-system stock on online marketplaces (2018). Problem and purpose A company kept its stock and sales in local accounting systems (Logo, Netsis) and needed to sell on online...
I design systems that keep working when parts of them fail: services that restart, requests that are retried, and external providers that time out.
Queues on RabbitMQ and AWS SQS, retries with idempotency keys, health checks, rolling updates and audit logs from day one. Reliability targets are tracked on dashboards, not assumed.
Remote & worldwide
hello@mertcirci.me
AI Engineering & Agent Orchestration | The Right Architecture, The Right Approach
Mert CIRCI | Software Architect · AI Engineer · Full Stack Engineer · AI
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