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Ufuk ÇETİNKAYA

Ufuk ÇETİNKAYA

Co-Founder / Software Engineer

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Ufuk graduated in 2024 from the Computer Engineering department at Necmettin Erbakan University and is one of the co-founders of SUNS Tech, where he leads the backend side of the team. He has around three years of experience in the ASP.NET Core ecosystem and takes end-to-end ownership of systems running in production, from RESTful API design and database migrations to performance tuning and Docker-based deployments.

At SUNS Tech he leads backend development for the company's own products, SUNS Order and Anı Kutusu, for Sales Growth Steps, a platform built with a partner, and for outsourced client projects. He built the .NET backend and API services of SUNS Order, the restaurant order management system, and shipped it to production with Docker and Nginx; he designed the backend architecture and service structure of Anı Kutusu from scratch on his own. Working in a small team, he covers a wide range of responsibilities, from modular architecture decisions to technical coordination and server setup.

He started his career at TechSiN Solutions as a full-stack developer on a human resources application built with Angular and .NET Core, where he handled user authentication through Active Directory integration. He then joined Belsis in Bursa, working on information systems used by 140 municipalities: he took an active role in migrating databases from Oracle/MySQL to MSSQL, wrote SQL scripts to preserve data integrity, and improved system performance by adding indexes and optimizing slow queries.

He has also worked on projects serving the Polish, Bulgarian and Ukrainian markets. On Sales Growth Steps he designed, from scratch, the smart task engine (a scoring and feedback algorithm) that suggests daily sales tasks to restaurants and cafés, and supported the platform's five-language content infrastructure on the backend. On TrendwayTravel, a tour and hotel booking platform, he built the SOAP-based integration layer, the hotel search and filtering system and the MerlinX sales integration. For Menti Mentör he built a backend on .NET 10, Clean Architecture and DDD, added a semantic mentor-matching engine powered by Cloudflare Workers AI and PostgreSQL + pgvector, and automated testing and deployment with Docker, AWS EC2 and GitHub Actions.

For the past year, much of his focus has been on AI-assisted software development. He designs multi-agent workflows in which agents take on the roles of architect, backend developer, QA, quality gate, DevOps and security reviewer, and has built a setup that speeds up the development cycle from project discovery to quality control. He shares part of this work as open source in the backend-governance repository. He keeps his architecture knowledge current through training in microservices, Clean Architecture & CQRS, Apache Kafka and RabbitMQ, and is currently enrolled in the AI Engineer Agentic Track program focused on agents and MCP.

Skills: ASP.NET Core, C#, Entity Framework, RESTful API, Microsoft SQL Server, PostgreSQL (pgvector), Oracle, MongoDB, Redis, RabbitMQ, JWT, Docker, Nginx, GitHub Actions, AWS EC2, Angular, TypeScript

Focus areas: Backend architecture, Clean Architecture and DDD, database migration and performance optimization, agentic AI workflows, DevOps and CI/CD

Areas of Expertise

PythonPostgreSQLDockerKubernetesAWS

Articles by Ufuk ÇETİNKAYA

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Articles
24
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11,874
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10
Latest article
Nov 5, 2026

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