Welcome To Christian Hapke!
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Senior roles Christian can fulfill in your projects:

AI Integration Engineer

Incorporating generative artificial intelligence systems and APIs into both pre-existing and innovative new software applications. From the initial coding of a prototype through to the development of business-critical software solutions.

DevOps/Cloud/CI/CD Engineer

Building scalable IT platforms and services for innovation-driven applications. It's all about great products, reliable code, and continuous deployment to cloud containers or serverless environments. Plus monitoring and observation.

Technology Consultant

Providing expert guidance and practical assistance in leveraging generative AI and DevOps technologies to enhance the functionality, flexibility, efficiency, and scalability of your software infrastructure to meet evolving business needs.

Recent Technical Skills

Christian focuses on backend technology, infrastructure and team collaboration:

Generative AI APIs

OpenAI, Google Vertex, Huggingface, ...


Deep knowledge of everything

App + Pipeline Development

TypeScript, Python, Kotlin, Java, bash

Real-Time Analytics

Google Analytics, Grafana, Kibana

Monitoring and Observability

OpenTelemetry, Prometheus, Elastic

Massaging Development

Slack, Telegram, WhatsApp, APIs

Continuous Delivery

GitLab, GitHub, CircleCI, Jenkins

Cloud Provider

AWS, Google Cloud, Azure, Hetzner

Cloud Abstraction

Serverless, Kubernetes, cf, Docker

Infrastructure as Code

Terraform, Chef, Ansible, git


NoSQL, Redis, Postgres, MySQL/Maria

Management Tools

Jira and Confluence, UML

Don't expect any personal MS Windows coding, SAP, or design skills.

Key Skills

Working in a team in an efficient way needs more than just technical skills:

Agile Project Management

Kanban (preferred), Scrum

Coach and Consultant

Excellent Communication Skills

Team Building

Management and Hiring

High Motivation

And Commitment


Native Language




Important stations in Christians professional life:

  • Be Part
    Of The

  • 2023 - today

    Founder and Hacker at AIsBreaker.org

    Development of an API and libraries for streamlined access to a variety of generative AI services, including OpenAI/ChatGPT, all Hugging Face AIs, Google Gemini AI, and more using TypeScript, NodeJs, and GitHub CI/CD Actions.

  • 2021 - today

    DevOps Engineering for Large Organization

    Development of Continuous Integration and Continuous Deployment processes with GitLab CI/CD and Jenkins, in a private cloud environment based on Kubernetes and Cloud Foundry.

  • 2020 - 2022

    Engineering Online Events

    Implementation of online events. Streaming and bi-directional audio and video, virtual rooms, support for artists, growth hacking and online promotion.

  • 2019 - 2020

    Cloud Services for Coaches

    Development and support of cloud services for coaches, therapists, trainers and social enterprises.

  • 2018 - 2019

    Chatbot Developer at Startup

    Prototype development of chatbots for Telegram and Slack to provide automatic coaching to clients with mental health issues.

  • 2018

    DevOps-Freelancer at Adviqo

    Setup of an on-premise Docker and Kubernetes infrastructure to support Continuous Integration and Continuous Deployment with Jenkins and GitLab. Tasks are creation of the concept, implementation and training of team members.

  • 2016 - 2017

    Sr. Software Engineer at Scribd Inc.

    Senior Software Engineer, responsible for the implementation of software systems to support and drive Scribd's paid marketing programs.

  • 2012 - 2017

    CTO, Growth Hacker and Co-Founder at Oximity

    Tech lead and hands-on Scala backend and bot developer at Oximity in the C2C news media space. Managing a small team of frontend and backend developers.

    Oximity has been acquired by Scribd Inc. in 2016.

  • 2008 - 2011

    Senior Java Developer at Questico/Adviqo

    Senior Java Developer in the IT-section at Questico AG (today: adviqo AG, B2C e-commerce). Tasks are the development of business logic for the international Java EE and IVR platform and the development of the central technologies and processes.

  • 2007 - 2008

    IT Department Head at Jamba!

    Department manager in the IT development-section of the Jamba! (today: freenet digital GmbH, B2C e-commerce) in close co-operation with other departments and the parent companies VeriSign Inc. and News Corp.

  • 2004 - 2006

    Backend Developer at Jamba!

    J2EE backend developer in the in the IT development-section of the Jamba!

  • 1999 - 2004

    CTO and Co-Founder at vectos

    Training, Development and Consulting for Java/J2EE based software projects.

  • 1998 - 1999

    Computer Scientist at GMD FOKUS

    Researching high speed computer networks at GMD FOKUS (today: Fraunhofer).

  • 1992 - 1998

    Technical Computer Science + Mathematics

    Study at Technical University Berlin. Received engineering degree of a Dipl.-Ing. (equiv. Masters of Science).

The Person

Christian likes to solve complex problems. He likes to be a Freelancer. And he likes sunglasses at night.

Christian Hapke

Senior AI Integration Engineer
with solid DevOps background
and backend software development experience

Feel free to contact him to discuss interesting project ideas.

Don't contact him to sell services or products.

Contact Christian

Please, give him a week to answer your initial contact email.
Don't try to contact him via social media channels because he will not respond to such requests.

Christian Hapke

Dipl.-Ing. Technical Computer Science
Senior AI Integration Engineer
with solid DevOps background
and backend software development experience
Freelancer in Berlin, Germany


Email: info (at) hapke.com

Legal Notes

VAT Number (USt-IdNr.): DE279086733
Responsible person (§6 MDStV): Christian Hapke