IT Systems Consulting

Fullstack development.

Specialized in Angular, TypeScript, Java Spring, Node.js and test automation with expertise across banking, logistics, telecommunications, and e-commerce sectors.

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Koray Güclü

Services

Comprehensive IT solutions tailored to meet your business needs with expert craftsmanship and attention to detail.

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Full Stack Development

End-to-end development solutions from database design to responsive front-end interfaces with Angular, React and more.

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Database Development

Database architecture, data migration, and optimization services using SQL, NoSQL databases and modern data processing techniques.

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Application Development

Custom business applications built with Java, Spring Framework, and other enterprise-grade technologies.

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Angular Development

Expertly crafted Angular applications with responsive design, state management, and integration with Java Spring backends.

25+ Years of Experience

With extensive expertise across multiple industries and technologies since 1999, I deliver high-quality solutions tailored to your business needs.

Industry Experience

Banking & FinanceLogistics TelecommunicationsAutomotive E-commerceHealthcare InsuranceTransportation

Key Projects

Technology Expertise

Programming Languages

TypeScriptJavaScriptJavaPythonSQL

Frontend Technologies

AngularReactVue.jsHTML5CSS3SCSSSASSBootstrapTailwind CSS

Backend & Frameworks

Spring BootSpring FrameworkNode.jsNestJSExpressKoa

Databases

OraclePostgreSQLMySQLMSSQLMongoDBRedis

Testing & QA

PlaywrightCypressJestSeleniumAppiumBrowserStackTDD

DevOps & Tools

DockerGitLab CI/CDJenkinsGitAWSMavenGradle

About Me

Senior Fullstack Developer & Test Automation Expert

Since 1999, I've been working as a Fullstack Software Developer with expertise in frontend, backend, and test automation. With over 25+ years of experience in web and API development, I've mastered technologies including JavaScript, TypeScript, Java, Vue.js, Node.js, and various databases.

My experience spans across multiple industries, with approximately 25 years of project experience at Deutsche Telekom, Deutsche Bank, Deutsche Bahn Group and other companies. I specialize in building responsive applications, microservice architectures, and implementing robust test automation frameworks.

As a freelance consultant, I offer comprehensive development services from frontend design to backend implementation and quality assurance. I'm passionate about following best practices in clean architecture, accessibility, and performance optimization.

I hold a Masters Degree besides Engineering, and I'm fluent in English and German. I've also contributed to various technical publications and books in the software development field.

About Me Illustration