Khaled T. - Consultant / DevOps Engineer

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Frankfurt am Main, Germany

Experience

Jul 2025 - Present

3 months

Consultant / DevOps Engineer

Dr. Ing. h.c. F. Porsche Aktiengesellschaft

Designed and implemented new authentication and authorization functionalities for both users and systems
Ensured high availability, security, and performance to deliver a flawless digital experience for Porsche customers
Technologies: Auth0, Angular, Tailwind, AWS, Terraform, GitHub
Methodologies: Scrum and SAFe

Mar 2022 - Present

3 years 7 months

Freelance consultant and full-stack engineer

May 2020 - Dec 2024

4 years 8 months

Consultant / Algorithm developer

DB InfraGO, a subsidiary of Deutsche Bahn

Enhanced the AFK engine by implementing and modifying several components to calculate optimized train routes and schedules
Carried out primary programming tasks in C++ and occasionally modified Java microservices to provide necessary input data
Technologies: C++, GTest, Protocol Buffers, ActiveMQ, Redis, Docker, AWS, Jenkins, Java, Spring Boot
Methodologies: Event Driven Architecture, Scrum and SAFe, Test-Driven Development

May 2020 - Dec 2024

4 years 8 months

Consultant / Full-stack engineer

DB InfraGO, a subsidiary of Deutsche Bahn

Developed the REST-API backend using Django and Django Rest Framework
Built the frontend using Angular, RxJS, and Angular Material
Implemented UIs and endpoints for data ingestion, processing, retrieval, and visualization
Led the implementation of security measures, real-time content updates via WebSocket communication, and user authentication
Configured the app in Microsoft Entra and implemented single sign-on (SSO) authentication using OAuth2/OIDC
Technologies: Python, Django, Django ORM, Django Rest Framework, TypeScript/JavaScript, Angular, Angular Material, HTML, CSS, RxJS, pytest, Cypress, PostgreSQL, REST APIs, WebSocket, OAuth2/OIDC, Docker, AWS, Jenkins, GitLab

May 2020 - Feb 2022

1 year 10 months

Senior consultant

CGI Deutschland B.V. & Co. KG

Aug 2018 - Mar 2020

1 year 8 months

Backend developer

badenova AG & Co. KG

Implemented several platform modules, including order management, integration with external services, and a stateless customer self-service interface
Technologies: Ruby, Ruby on Rails, REST APIs, HTML, CSS, RSpec, PostgreSQL, Ubuntu, Jenkins, GitLab
Methodologies: Scrum, Object-Oriented Programming, Test-Driven Development

Jan 2018 - Mar 2020

2 years 3 months

Software developer

Taktsoft GmbH

Jan 2018 - Jul 2018

7 months

Backend developer

W&L Internationale Golf Aktiengesellschaft

Implemented querying of results from external APIs, saving and displaying results, and performing result analysis for AWGC mini tournament series
Technologies: Ruby, Ruby on Rails, RSpec, SQL, REST APIs, HTML, CSS, Jenkins
Methodologies: Scrum, Object-Oriented Programming, Test-Driven Development

Jul 2012 - Jun 2017

5 years

Frankfurt, Germany

Postdoctoral researcher

Institute for Theoretical Physics, Goethe-University

Developed a mathematical model to describe (sub-)nuclear particles and their interactions
Created automation scripts to manage calculations on a computer cluster and analyze the results
Published and presented findings in various forums
Organized seminars, delivered lectures, and supervised students
Technologies: C++, Python, Mathematica, Bash, LaTeX, PowerPoint

Sep 2011 - Jun 2012

10 months

Darmstadt, Germany

Postdoctoral researcher

ExtreMe Matter Institute

Aug 2007 - Aug 2011

4 years 1 month

Frankfurt, Germany

Doctoral researcher

Goethe-University

Developed custom hardware to detect and study short-lived particles produced in nuclear reactions
Created advanced statistical algorithms to analyze reaction data
Wrote automation scripts to manage analysis tasks on a computer cluster and ran Monte Carlo simulations
Presented and published findings in various forums
Technologies: C++, CERN ROOT, Bash, LaTeX, PowerPoint

Summary

I have over 15 years of experience in software engineering, data analysis, and physics research. My expertise includes designing and implementing statistical algorithms for large-scale data analysis, developing full-stack web applications in the e-commerce and transport domains, and optimizing complex scheduling problems. With strong analytical and mathematical skills, I thrive in collaborative environments, maintaining a strategic focus on overarching goals and cross-team dependencies.