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Cem Samy GülerCS

Cem Samy Güler

AI Integration Developer · Web & Mobile

€400/day
Köln, DE
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Cem Samy

Backend and Mobile/Web Developer with 3 years of enterprise experience at one of Germany's leading asset managers (Flossbach von Storch). Specializing in C#, ASP.NET Core, Azure, and native iOS development with Swift.
Currently developing ImmoDate – a complete full-stack platform with over 84,000 lines of code, its own iOS app, REST API, Open Banking integration, and GDPR-compliant infrastructure. Additionally, actively integrating AI features (LLMs, AI Automation) into existing products.
Delivering clean, scalable code – from the first commit to live deployment.
  • German

    Native or bilingual

  • Turkish

    Native or bilingual

  • English

    Fluent

  • Spanish

    Basic

  • French

    Basic

Can work on-site
Köln (up to 50km)

Experience

  • Zahnraum Flittard
    Freelance Web Developer
    HEALTH AND WELLNESS
    October 2025 - November 2025 (1 month)
    Köln, Germany
    Development of a complete production website for a dental practice in Cologne. Next.js 16, TypeScript, Tailwind CSS, bilingual (DE/EN). Perfect Google Lighthouse Score: 100/100 in Performance, Accessibility, Best Practices, and SEO. GDPR-compliant consent layer, appointment booking system integration, CI/CD via Netlify. Live at zahnraum-flittard.de
    Next.js Typescript Tailwind CSS CI/CD SEO
  • Flossbach von Storch SE
    Software Developer
    PRIVATE EQUITY
    August 2022 - February 2025 (2 years and 6 months)
    Cologne, Germany
    Backend Development & Architecture
    • • Development and maintenance of backend services and REST APIs with C# and ASP.NET Core for mission-critical financial applications
    • • Design and implementation of Azure Functions for serverless computing and event-driven architectures
    • • Building scalable database solutions with SQL Server, including schema design, stored procedures, and query optimization
    • • Contribution to architectural decisions for enterprise-wide software projects, ensuring maintainability and scalability

    Software Engineering Practices
    • • Implementation of comprehensive unit testing strategies and debugging workflows to ensure code quality
    • • Conducting code reviews to ensure adherence to coding standards and sharing best practices with team members
    • • Application of modern development tools such as JetBrains Rider, Git, Azure DevOps, and JIRA for efficient workflows
    • • Development of software modules in C# following industry best practices and clean code principles

    Agile Collaboration & Project Management
    • • Participation in regular team meetings, sprint planning, and project discussions across multiple IT departments
    • • Analysis of requirements and stakeholder needs to create and prioritize user stories
    • • Collaboration with cross-functional teams such as Data Analytics, Portfolio Management Systems, and IT Security
    • • Independent management of smaller projects, including event-based automated security configuration systems
    • • Comprehensive understanding of the enterprise IT landscape through rotation across 7+ departments
    C# Azure DevOps Python REST AI Automation

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Education

  • Applied Artificial Intelligence
    IU International University of Applied Sciences
    Schwerpunkte: Machine Learning, Deep Learning, KI-Systemarchitektur und Python. Praktische Anwendung von LLMs und AI Automation in eigenen Projekten.
  • Training as an IT specialist for application development
    Flossbach von Storch SE
    2025
    3-jährige Ausbildung mit Schwerpunkt Backend-Entwicklung (C#, ASP.NET Core, Azure) in unternehmenskritischen Finanzanwendungen.

Skill set

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