Oracle Database Experts in Vienna

• Design and implementation of new functionalities in the areas of Lifecycle Management (LCM), Role Management (RLM) and Access Governance

• Adjustment of the company-wide Segregation of Duties (SoD) matrix to ensure regulatory and internal compliance requirements

• Further development and configuration of recertification processes

• Creation and adaptation of custom workflows, rules and tasks in SailPoint IdentityIQ (BeanShell, XML, Java)

• Use of static code analysis with SonarQube to ensure code quality and compliance with defined development standards

• Regular code reviews within the development team to ensure quality, share knowledge and follow clean code principles

• Work in an agile Scrum team with daily communication, sprint planning and reviews

• Coordination with testers, test managers and business departments to ensure quality and smooth production rollout

• Active involvement in release planning and deployment coordination, including test preparation, cutover activities and rollback strategies

• Analysis and sustainable resolution of issues in the IAM production environment (2nd- and 3rd-level support)

• Reproduction of complex errors, identification of root causes and implementation of lasting fixes

• Creation of technical analyses and recommendations for operations and further development

Tech: AWS (Glue, Lambda, Redshift), Airflow, PostgreSQL, Python, PySpark, Metabase, Power BI

Delivered: Analytics-Ready Data Models • Legacy SQL to Cloud ETL Migration • Dynamic Pricing Engine

• Owned and evolved the company data warehouse end-to-end — from ingestion to transformation to analytics-ready dimensional data models on AWS Redshift.
• Collaborated with Analysts, Data Scientists, and business stakeholders to deliver scalable dimensional data models that enable self-serve analytics and streamline dashboarding in Metabase and Power BI.
• Architected end-to-end ETL/ELT pipelines on AWS (Glue, Lambda, Redshift) using Python and PySpark, orchestrated with Apache Airflow (MWAA) for reliability and observability.
• Defined and enforced data quality standards and governance practices across pipelines and the core data layer.
• Led migration of legacy SQL infrastructure into scalable AWS Glue pipelines with distributed PySpark processing, eliminating bottlenecks and reducing downtime.
• Developed a dynamic pricing engine applying automated promotional discounts based on occupancy rates, competitor pricing, and location performance tiers.
• Designed schema mappings to ingest MongoDB data into structured relational systems (Redshift/PostgreSQL).

• Migrating from VMware to OpenShift Virtualization, 40+ workstreams / projects in parallel (Small- to Medium Sized VM Operators / Critical Factory Workload Owners / Large-Scale Data Center Operators)

Delivered a digital, non-profit neighborhood platform to connect older adults with volunteers for practical support and social companionship. Responsible for business analysis, requirement definition, platform evaluation and delivery of a locally scalable service solution focusing on AI-driven enhancements, data-based optimization and clear market positioning. Evaluated several low-code/business platforms including Odoo and Glide Apps and assessed monday.com as a CRM-like option before selecting Glide Apps for implementation. Implemented a non-native mobile and desktop application with Glide Apps and the web presence with WordPress. Tasks

• Gathering, analyzing and structuring business requirements for the product and service model
• Conducting market, target group and competitor analyses to position the offering
• Evaluating and selecting suitable low-code/business platforms for implementation
• Defining core user journeys, business processes and operational workflows for older adults, volunteers and administration
• Translating business requirements into functional requirements for profiles, task management, coordination, communication and notifications
• Guiding the implementation of the non-native mobile and desktop application in Glide Apps as well as the web presence in WordPress
• Preparing the business side for future AI-powered features such as intelligent matching and data-based optimization
• Ensuring compliance with GDPR requirements Results
• Successfully delivered digital support platform connecting older adults with volunteers
• Solid foundation for market positioning through market, target group and competitor analyses
• Delivered a functional non-native mobile and desktop application with Glide Apps and a supporting web presence with WordPress
• Established foundation for scaling and AI-based further development

• Design, authorship and finalization of the IT PROD SEC service catalog with eight standardized security services (S-ID001–S-ID008).

• Development of consistent service components & deliverables, RACI assignments and SLA and KPI definitions for each service.

• Integration of BaFin document requirements under DORA into the service descriptions.

• Coordination with IT, compliance, risk and operations teams to validate all service descriptions.

• Specifically for governance & monitoring: definition of governance cadence, evidence delivery processes, audit support and definition of measurable KPIs and measurement methods.

• Ensuring that all services are standardized, measurable and documented in an audit-proof manner.

• Result: Approved service catalog with eight services as a binding basis for delivery, governance and audits; transparent SLAs/KPIs for each service and DORA/BAIT/MaRisk-compliant documentation with clear responsibilities and evidence trails.

• Technologies and tools: Confluence, Jira, ServiceNow, Microsoft PowerPoint, Microsoft Visio, Office 365.

Project goal: Introduce OpenShift as the run-time platform and migrate all applications to OpenShift.

My contribution: Make sure logging and monitoring for the applications were in place. Set up and put into operation the OpenShift components for logging and monitoring (Elasticsearch, Prometheus, and Grafana). Develop and implement the security concept for OpenShift. Work with developers to define and carry out the application changes needed for the OpenShift migration. Integrate monitoring into the applications.

Technical environment: Java, WebSphere Liberty, OpenShift components, Elasticsearch (ELK stack), Prometheus, Grafana.

• Consulting in national and international projects in various roles and sectors (banking and finance, public sector, telecommunications, data management, software development)
• Engaging in project management, requirements management, business analysis, process management, IT consulting and coaching
• Delivering sustainable value quickly and efficiently due to high complexity and diversity of projects and expertise
• Emphasizing collegiality and integrity and fostering a positive team atmosphere

• Architected and deployed a highly available, multi-tenant Kubernetes platform on Google Kubernetes Engine (GKE) for business-critical microservices.
• Designed and implemented a comprehensive Infrastructure-as-Code strategy using Terraform for managing GKE clusters, networking (VPCs, Subnets), and IAM policies.
• Engineered optimized storage solutions for stateful workloads (MongoDB) using GKE PersistentVolumes, enhancing performance and data resiliency.
• Established a full-stack observability framework using Google Cloud Monitoring, Logging, Prometheus, and Grafana.

• Supports CANCOM customers in migrating legacy on-prem systems to Microsoft Fabric and Microsoft Foundry
• Takes over and stabilizes existing solutions after a short handover
• Business analysis and requirements engineering for migration to a new cloud environment
• Optimization of machine learning models for feature extraction and customer profiling
• Ensures data protection and compliance
• Leads the migration of on-prem systems to Microsoft Fabric
• Designs new AI platforms for clients
• Tests the integration of chatbots for document intelligence with Microsoft Foundry, including requirements analysis, implementation, validation, and client communication

Further development of an insurance product quotation system

• Implementation and maintenance of pricing logic for property and casualty products (accident, property liability, business contents) based on Java and FaktorIPS
• Implementation of actuarial tariff revisions into product-specific calculation models
• Development and refactoring of backend components and web UI components
• Creation and maintenance of test tables and automated premium tests for quality assurance
• Code reviews and active involvement in quality assurance in the development process
• Production support and bug fixing in live operations

• Analysis of extended requirements related to existing controllers in an industrial plant
• Creating concepts for storing and visualizing sensor data
• Communication with PLCs
• Microservice architecture
• Unified architecture
• AI-based evaluations of sensor data
• Technologies used: .NET 8, Minimal API, Postgres, MQTT, RabbitMQ

• Code review, bug fixing, and new development of program code in PL/SQL and Oracle Forms
• Migration of the database version to Oracle 12/19 and migration of the Oracle Forms environment from client-server to web (6i → 12c)
• Fixing blocking sessions and implementing new workflow requirements
• Use of PL/SQL packages, procedures, functions, database triggers, batch files, and Java applications
• Revision of screen masks based on Oracle Forms and client-side PL/SQL code
• Business handling of issuing and processing vouchers (REI = Reimbursement; EMI = Emission), including billing with acceptance partners
• Agile development based on SCRUM with monthly sprints and weekly coordination meetings

• Planning and monitoring sprints and holding the scheduled meetings

• Analyzing and resolving issues in the development process

• Error analysis, bug management and correction in individual process steps

• Stakeholder management

• Documentation and improvement of the development process

• Tools: JIRA, Confluence

• Focus on digital transformation in the energy and mobility sector, including SAP R3 transition to S/4HANA
• Project management and requirements engineering in the energy sector (workshops, requirement specification creation, process development)
• Advice on the mobility strategy for public transport/transport of Stadtwerke Wien
• Development of digital strategies for after-sales program at Daimler-Benz