Freelancer profile translated to English.
Back to original languageAbout Cem
Senior Full-Stack & AI Engineer – TypeScript, React, Node.js & Modern Web Architectures
I help companies build robust and maintainable full-stack web applications – with TypeScript, React/Next.js, Node.js, and GraphQL. My focus is on cleanly modeled relational data models, scalable APIs, and intuitive, accessibility-friendly user interfaces.
Additionally, I bring experience with AI integrations (e.g., intelligent recommendation systems and automated workflows) into existing products. With over 8 years of experience in enterprise and startup projects, I deliver high-quality code, clear architectural decisions, and efficient collaboration throughout the entire project.
German
Native or bilingual
English
Fluent
Can work on-site
Hamburg (up to 50km)
Experience
- Strategic Projects (SAP SE)Senior Full-Stack and AI EngineerSOFTWARE PUBLISHINGAugust 2025 - Today (1 year)Walldorf, GermanyFull-stack and AI development in projects with high strategic relevance for SAP's business areas.Technologies: React, Vite, TanStack Start, GraphQL, Go, Kubernetes, Docker, BTP, HANA, Postgres
- SAP Concur Travel (SAP SE)Software EngineerSOFTWARE PUBLISHINGOctober 2022 - August 2025 (2 years and 10 months)Walldorf, GermanyFull-stack development on T2, the product's new implementation. Member of 2 teams. Scrum. Mentoring.Technologies: React, RTL, Enzyme, Express, GraphQL (Apollo), Swift, SwiftUI, UIKit, Swift Package Manager, yarn, pnpm, Storybook, GitHub Actions, Go, Kotlin,Kubernetes, Docker, AWS
- SRH HochschuleSupport for Doctoral ProjectHEALTH AND WELLNESSMarch 2025 - May 2025 (2 months)Heidelberg, GermanyFoundation-funded development of an iPad app for motor arm function training for collecting progress data in occupational therapy in the context of a doctoral thesis.Technologies: Swift, SwiftUI, Express
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Education
- Dual Study Program (Bachelor of Science, SAP SE)Duale Hochschule Baden-Württemberg2022(Bachelor of Science