DSL Experts in Munich

Project content: The use of “Generative Pretrained Transformer” technologies (GPT) will massively change the world of work in the coming years. ITZBund is developing a base service for this, which can be used by its 200 customers. This base service is offered as an on-prem and a cloud variant. Started in 12/23, from 05/24 productive systems (based on MVP) could already be rolled out and operated successfully for several agencies and federal ministries.

Project metrics:

• Budget in 2024 approx. €20M
• approx. 70 people in the core project context
• regular (indirect) contact with approx. 80 people in the wider project environment

My main tasks:

• Overall responsible external project manager
• Project definition phase/project setup and establishment of the project organization
• Strategic and operational project planning, as well as shaping and ongoing adjustments of the project
• Ongoing coordination with project owners and stakeholders in ITZBund
• Ongoing coordination with subproject managers, agile roles and other project staff
• Responsibility for project controlling, quality management, risk management and change management
• Responsibility for providing the base service on on-prem and cloud environments and its continuous development
• Planning and leading several hypercare phases
• Collaboration and ongoing coordination with a partner project of a federal ministry and provision of an MVP
• Coordination with agile teams
• Coordination with operations, release and deployment
• Responsibility for the implementation of the first customer projects
• Responsibility for creating an AI governance
• Ensuring accessibility (BITV)
• Responsibility for setting up a subproject for marketing activities
• Support in building an efficient proposal process
• Stakeholder management

Methodology:

• V-Model XT ITZBund
• Scrum

Tools used:

• Microsoft Office, Skype, MS Project, Confluence, Jira, SharePoint, Miro

• Designed and implemented a new user support tower organization as part of the global IT transformation initiative.
• Created an operating and control model for the central service desk, including downstream support units (field service, VIP support, service points).
• Performed a comprehensive as-is analysis of existing service desk and field service structures and developed a target architecture based on ITIL 4 and SIAM.
• Defined roles, responsibilities, and governance mechanisms for internal IT and external providers.
• Prepared the blueprint document Service Management & Governance Handbook (User Support) to standardize global service processes (incident, request, problem, change, knowledge, ITSCM, CSI).
• Developed a KPI and SLA framework to measure service quality and performance in global user support.
• Defined the reporting and review structure (operations meeting, service review meeting, management steering board).
• Prepared RFP documents for the external tendering of L1/L2 support services, including definition of scope, governance model, process requirements, tool integration (ServiceNow), and KPI/SLA sets.
• Supported procurement and legal departments in evaluating and negotiating vendor proposals and assisted in vendor selection and contract finalization.
• Oversaw the handover to operational support, including knowledge transfer, training of provider teams, and establishment of a continuous improvement process (CSI).
• Methods / framework / tools: ITIL 4 / ITSM, SIAM, IT4IT, ServiceNow, Jira, BPMN, operating model canvas, KPI & SLA design, governance & performance management

• SBAM (Sendungsbasiert Auftragsmanagement System) is the core component responsible for splitting customer deliveries into individual letters based on contractual agreements (OLA/SLA).
• Transformation from proprietary host-based AS/400 applications to a modern stack using Java, PostgreSQL, Apache Kafka, MinIO S3, Red Hat OpenShift, Keycloak SSO, Salesforce and Angular Material GUI.
• Application design, solution architecture, use case specification and OLA/SLA concept for end customers.
• Conduct solution architecture/design and requirements engineering (elicitation, documentation, validation, negotiation and ongoing management) in Confluence, including UML/BPMN process models.
• Development and analysis according to Scrum using Jira and Confluence.
• Design user journeys and UI experience; wireframing with Balsamiq and Figma.
• Document requirements as user stories and epics in Jira; create stakeholder and technical design documents.
• Participate in end-to-end solution design, architecture and event-driven messaging design.
• Perform process modelling (UML/BPMN with Draw.io), application internal architecture design and ERM/SERM data modelling.
• Lead sprint planning, story refinement, estimation, retrospective and review meetings; deliver C-level management presentations on OLA/SLA and order management.

• Numerous projects as a Senior Java Developer or Team Lead in the technical domain, banking sector, public sector, etc. Please ask for a detailed project list. My contact: office(at)stellwag.it

• Program and project management
• Tender, contract and vendor management
• BPO and IT outsourcing
• Transition management
• Business and IT transformation management
• Reorganization and post-merger management
• CIO advisory
• Finance & controlling
• IT & organization

• Led the largest agile project at Telefonica O2 (€21+ million, 11 Scrum & system teams in Germany and India, 80+ developers, 3 vendors) using SAFe, Scrum and Kanban. A showcase project at Telefonica for agile scaling.
• Scaled agile processes to a large project using SAFe.
• Delivered the project at half the cost and time compared to similar projects.
• Test management / coordination of system testing.
• Coached teams (SAFe & Scrum).
• Rollout planning/management.

• Platform: Python ecosystem, RHEL 8, K10, AWS IoT Core, AWS Lambda, MLOps
• Software: Java JEE/cloud, IntelliJ IDEA, AWS IoT Core, AWS Edge and Lambda, AWS SageMaker SDK, Docker Compose, Kubernetes, OpenShift 4, Tekton, Flux, Helm charts, JSON/XML technology, Nginx, Apache Spark, OpenAI (GPT Plus, DALL-E 3, Whisper), GAN, GitHub Copilot, AI/machine and deep learning, Jupyter notebooks, TensorFlow 2, Colab, Keras API, Prometheus, Grafana, Conda, Python 3.9, PySci stack (NumPy, pandas, Scikit-learn, matplotlib)
• Responsible for webinar:
• IoT edge computing: architecture, components, resources, management
• IoT edge computing with MicroK8s, designing and creating flows/diagrams for AWS, three-step model for IoT ecosystem
• IoT processes, connectivity, data transfer and deployment, security
• Optimization of edge computing for IoT networks and services (AWS SQS queue, SNS notifications, events, analytics, buttons, device management/defender, Things Graph)
• Machine/deep learning frameworks (models, training, pipeline optimization, deployment in the cloud/at the edge (OpenShift), monitoring workloads with Prometheus and Grafana)
• Performance optimization for low latency/resilience using adaptive ML/DL/RL models for customer IoT data
• Analysis of large sensor data sets with Apache Spark, Kafka clusters
• Kasten K10 data management platform on Kubernetes multi-cluster with Helm chart, deployment, backup/disaster recovery (RTO/RPO), data lifecycle and security management
• Implementation of multilayer artificial neural network (ANN) with TensorFlow 2 and Colab for regression and classification; data analysis and provisioning for applications; development of models for testing and training, deployment of models
• Automation of business streamline processes with AI (Azure OpenAI, Discord bots/Zapier apps AI assistants (IntelliJ, GitHub Copilot))

Acquired business and set up his own company (GmbH).