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Ismail YamanIY

Ismail Yaman

Full Stack | Java, Spring Boot, React, Typescript

€560/day
Frankfurt am Main, DE
15+ years

Average response time: 1 hour

About Ismail

Senior Software Engineer with over 15 years of experience in the design, architecture, and development of enterprise Java-based systems.

Held multi-year platform responsibility at Audi AG and worked on projects in the banking sector (DekaBank, European Central Bank), as well as delivering datasets to the World Health Organization (WHO).

Backend-focused with strong experience in Java and Spring Boot, complemented by React and TypeScript.

Tech stack: Java, Spring Boot, REST APIs, Microservices, Docker, PostgreSQL, React, TypeScript, Adobe Experience Manager (AEM).

Available for backend and frontend development and platform engineering projects.
  • English

    Fluent

  • German

    Fluent

  • Turkish

    Native or bilingual

Can work on-site
Frankfurt am Main (up to 50km), Berlin (up to 50km), Munich (up to 50km), Cologne (up to 50km)

Experience

  • Public Health Analytics Platform
    Backend Developer
    January 2026 - Today (6 months)
    • • Modernized and extended a mortality analytics system originally developed in a Medical Association context into a multi-source application using Spring Boot and Angular.
    • • Implemented automated data ingestion (web scraping and external APIs) and time-series processing across datasets including mortality, weather, and air quality.
    • • Interactive chart-based visualization.
    • • Deployment to Google Cloud Run using containerized builds and CI/CD automation.
    Spring boot Java
  • AEM Modernization: Cloud Readiness
    AEM Architect / Developer
    August 2025 - October 2025 (2 months)
    Migrated an AEM 6.5 codebase towards AEM as a Cloud Service.
    Built a containerized Author, Publish, and Dispatcher setup using Docker.
    AEM Docker
  • Smart City Monitoring Platform (Independent Project)
    Full-Stack Developer
    August 2025 - December 2025 (4 months)
    • • Designed and implemented a Spring Boot-based backend architecture.
    • • Developed REST and WebSocket APIs for processing incoming real-time data.
    • • Implemented the persistence layer using JPA/Hibernate and PostgreSQL.
    • • Built a React and TypeScript frontend for real-time data visualization.
    • • Containerized services using Docker and set up CI pipelines with GitHub Actions.

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Education

  • Diplom-Ingenieur in Media Informatics
    Technische Hochschule Mittelhessen
    2003
    Diplom-Ingenieur in Media Informatics

Skill set

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