IT Consultant

7/2020 – 12/2024

Infrastructure automation using Terraform and Ansible
Develop CI/CD using Jenkins, GitHub, Docker, S3, AWS
Build and operate Kubernetes cluster on GCP
Monitoring and Logging using Prometheus, Grafana, Loki
SSL Automation for Linux and Windows server using Letsencrypt and Powershell

Amazon Web Services (AWS), Ansible, Docker, Google Cloud, Jenkins, Natural Language Processing, Python, Software Architecture, Software engineering / -technik

6/2017 – 2/2019

Developing and maintaining user stories and acceptance criteria for B2B and B2C e-commerce platform.
Designing the UX/UI for the storefront and checkout pages.
Analyzing and implementing Credit Card and PayPal payment methods.
Designing the IT infrastructure using AWS, Azure and Rackspace.
Managing product onboarding and Go-Live planning.
Designing and managing e-commerce KPI using Google Analytics and Tableau.
Designing and implementing user identity and personal data management using Gigya API.
Designing and implementing SSO implementation using SAML 2.0 with Okta and AppDirect platform.
Supporting employee onboarding and offboarding process using Okta, SuccessFactor, Active Directory and Jira.
Managing the development of tablet registration platform using REST/JSON API with agile methodologies.

Docker, Eclipse, Hibernate (Java), Java (allg.), Jquery, Linux (Kernel), Projektmanagement (IT), Spring Framework

4/2011 – 5/2017

I am responsible for the integration between App Store (Google, Microsoft, Apple) and telecom companies worldwide. The outcome of the project allows end-users to choose carrier billing as a payment option and use it to purchase digital goods with their phone bills or balance.
My completed integration projects in Europe and Asia (selected):
● Google Carrier Billing:
Implementation in 10+ countries with 50+ mln subscribers.
● Microsoft Carrier Billing:
Implementation in 8 countries with 1+ mln subscribers.
● Apple Carrier Billing:
Implementation in 2 countries with 2+ mln subscribers.
My daily activities include:
● Analyzing and negotiating payment requirements and estimating
the effort to deliver the project.
● Designing new payment solutions for specific customer needs.
● Leading and managing technical aspects of partner integration
projects.
● Leading user acceptance when completing a project.

Android, Linux (Kernel), Apache Tomcat, Apache Maven, Hibernate (Java), Java (allg.), Jenkins, SOAP, Json, Jquery, Representational State Transfer (REST)