Alpay Yildiray

Senior Software Engineer  |  Lead Developer  |  Microservices  |  Distributed Systems  |  Software & DevSecOps Architect

Portrait of Alpay Yildiray

Profile

Software Engineer focused on modern, scalable software architecture. Extensive experience developing distributed systems based on C#/.NET and microservices in high-critical environments. Strong focus on maintainability, system design and sustainable software quality.

  • Specialisation in robust, scalable software architectures
  • Experience in enterprise and high-assurance environments
  • Focus on Clean Architecture, design patterns and system design
  • Strong at analysing complex technical systems and requirements

Professional Experience

Software Engineer (Full-time)

Rheinmetall – F&E Software & Technologie

  • Aug 2025 – Present
  • Bremen
  • Design of system architecture and implementation of software platforms in high-security environments
  • Ownership of core service components and architectural decisions
  • Alignment of system design and interfaces – often across multiple teams
  • Improvement of code quality, software architecture and vulnerability analysis
  • Integration of DevSecOps into the development process

Software Developer (Working Student)

Rheinmetall – F&E Software & Technologie

  • Jun 2019 – Jul 2025
  • Bremen
  • Development of distributed microservice systems
  • Containerisation and setup of development environments with Docker
  • Continuous development of CI/CD pipelines
  • Contribution to infrastructure and low-level system components
  • Involvement in architectural decisions

Software Developer (Working Student)

Sensosurf GmbH

  • Jul 2017 – Jul 2018
  • Bremen
  • Development of software-based sensor systems
  • Integration of IoT solutions into mechanical components

Academic Tutor (Practical Computer Science I & II)

University of Bremen

  • Oct 2018 – Sep 2019
  • Bremen
  • Mentoring students in programming and computer science fundamentals
  • Fostering structured and clean software development
  • Supporting hands-on exercises and assignments

System Integration & Digitalisation

Freelance / Projects

  • Jul 2018 – May 2019
  • Bremen
  • Digitalisation of small organisations and IT infrastructures
  • Development of secure and maintainable system architectures
  • Consulting on software and infrastructure design

Skills

C# Java Python C/C++ .NET Microservices Distributed Systems Docker ML & LLMs CI/CD Linux
Software Architecture Design Patterns Cloud Systems System Integration Web Development

Languages

German
English
Turkish
Latin

Education

M.Sc. Computer Science (Grade 1.5)

University of Bremen

  • Oct 2022 – Aug 2025

Master’s thesis “Distributing Non-Deterministic Simulation Processes in a Computing Cluster using Event Sourcing and Containerization” Grade 1.0

B.Sc. Computer Science (Grade 1.6)

University of Bremen

  • Oct 2017 – Sep 2022

Bachelor’s thesis “Unifying Access to Distributed Data by Containerized Agent Cluster and Event Streaming” Grade 1.7

General University Entrance Qualification (Abitur) (Grade 1.7)

Ökumenisches Gymnasium Bremen

  • Sep 2014 – Jul 2017

Board of Education High School Diploma

Onsted High School, Michigan (USA)

  • Sep 2013 – Jun 2014

Lower & Middle School (no diploma)

Ökumenisches Gymnasium Bremen

  • Sep 2008 – Aug 2013

Certificates

  • Certified Professional for Software Architecture (iSQI/iSAQB-CPSA-F)
  • Microsoft Certified: Azure Fundamentals (AZ-900)
  • Cambridge Certificate of Proficiency in English (C2)

Focus areas

  • Designing and building modern software architectures and development environments for teams working with AI-assisted workflows
  • Building scalable information systems
  • Developing distributed system architectures
  • High focus on clean code and sustainable software quality
  • Working in high-critical / secure system environments

Beyond work

  • Private homelab / home server
  • Electrical engineering as a hobby (microcontrollers, etc.)
  • I enjoy repairing cars and motorcycles
  • Multiple awards in the “Jugend forscht” youth science competition (ages 12–17):
    • Several 1st & 2nd place awards at regional and state level
    • Special award from the Federal Minister of Defence at national level for the project “Implementing a Pattern Matching Neural Network on an Atmel Microcontroller”