Berkay Kulak is a senior software developer based in Istanbul with five years of professional experience building backend and full-stack systems across .NET, Java, Node.js and cloud platforms. He has modernized large enterprise applications—driving a 250% performance improvement, raising test coverage from 0.3% to 60%, and cutting SonarQube issues from 4000+ to ~200—while implementing CQRS, messaging (RabbitMQ/MassTransit), Redis caching and CI/CD pipelines. Comfortable across Oracle, SQL Server and MongoDB, Berkay blends legacy migration expertise with cloud-native practices in Azure and AWS and has automated monitoring, deployment and job scheduling in multi-environment landscapes. He’s contributed to insurance and manufacturing domains (AXA, Ford Otosan), led technical design and documentation, and leverages automation and AI tools (Power Automate, Copilot/ChatGPT prompts) to streamline operations. Notably, he pairs hands-on optimization work with a habit of turning ad-hoc scripts and ML experiments into production-safe workflows, reflecting a pragmatic focus on measurable impact.
5 years of coding experience
4 years of employment as a software developer
Adem Tolunay Fen Lisesi
Lisans Derecesi, Bilgisayar Mühendisliği, Lisans Derecesi, Bilgisayar Mühendisliği at Konya Gıda ve Tarım Üniversitesi
Microservice architecture, a single application when developing a modular structure, each one should be considered as a small service, and each service has their own business and communications work, can make very complex and non-an approach that has the mechanisms of addiction to other services. These services are focused on a single job for which they are responsible and have an automated deployment mechanism that can work independently. It should be quite free from centralized management mechanisms. It can be developed in different programming languages and different database technologies can be used.
Contributions:213 PRs, 245 pushes, 3 branches in 8 days
Contributions:119 PRs, 115 pushes, 10 branches in 9 days
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Berkay Kulak - Senior Software Developer at Ford Otosan