MySQL Experts in Vienna

• Accurate handling of customer transactions under time pressure, including cash and register processing with high care
• Reliable, consistent performance in a fast-paced, customer-focused environment; strengthened organization and multitasking skills

• 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).

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

• 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

• 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

• 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

• Conducting a feasibility study on introducing an in-house DWH as a central data source
• Conducting workshops for current state analysis (processes, reports, KPIs) together with the clients
• Gathering and detailing business requirements including a target concept for an in-house DWH
• Coordinating and clarifying data deliveries and interfaces in meetings with stakeholders and data providers
• Developing initial data models as a basis for data quality and later implementation
• Drafting solution variants including architecture and operation options and decision basis
• Creating the business case including effort estimates, cost-benefit analysis, and decision report

• Replacement of original Dopix documents and modules into the Quadient document environment
• Extension of document logic

• Responsible for realigning the data architecture of the Abu Dhabi government to achieve a fully AI-driven public administration
• Definition of modeling standards
• Creation of a conceptual and logical model for the entire Abu Dhabi government administration
• Definition of data quality and data security standards

• Pivoted the company into data-driven and AI-powered energy optimization solutions for microgrids, energy communities, and grid operators.

• Business analysis
• Requirements engineering
• System design
• Various insurance projects
• Technology stack: msg.Billing (in-/ex-collection)
• Product: Pay-per-use car insurance based on blockchain and OBD-II real-time telemetry with AI

• Creating test scenarios, manual test cases and test data using boundary value analysis and equivalence classes
• Executing functional and non-functional tests (manually with Postman and web application, automated with WebDriver, JUnit and NUnit)
• Setting up, automating and maintaining the test automation framework with Java, Spring Boot, Selenium and Cucumber in IntelliJ (system, regression, smoke, UI and integration tests for web front-end and SOAP API backend interfaces)
• Automating backend NUnit test cases in Visual Studio
• Test management: developing and implementing test strategy and test plans, controlling tests, quality ownership and prioritizing risk-based tests, as well as maintaining documentation in Confluence
• Detailed analysis and quality assurance of requirements
• Creating and maintaining Jenkins pipelines, ensuring quality in build & deployment
• Close collaboration with business analysts, developers, testers and test management
• Identifying, creating and tracking defects/bugs, with thorough test documentation
• Reporting test results and defect reports
• Monitoring test processes and continuous improvements
• Reviewing test data and test results in PostgreSQL database via pgAdmin
• Supporting effort estimation and backlog prioritization
• Analyzing and debugging development code System environment: Java, JUnit, Spring Boot, Selenium, Cucumber, JavaScript, Jenkins, C#, NUnit, Postman, Bitbucket, Confluence, Jira, xRay, pgAdmin, PostgreSQL, SonarQube, Maven, IntelliJ, Visual Studio, CI/CD, SOAP API interfaces