SQL Experts in Hanover

• Developed cloud-native enterprise applications on SAP Business Technology Platform using Node.js, SAP UI5, and RESTful APIs, delivering solutions across training management, procurement, employee information, and logistics domains
• Served as the primary developer for the maintenance, enhancement, and production support of three enterprise applications, delivering new features, resolving production issues, and coordinating releases with business stakeholders
• Experienced in leveraging AI-assisted development tools such as Microsoft Copilot to accelerate feature development, generate code, prototype solutions, and support application migration and modernization
• Designed backend services, domain models, and SAP Fiori/UI5 interfaces, implementing business workflows, role-based access control, validations, scheduling, reporting, and data import/export capabilities
• Designed and integrated enterprise services with SAP SuccessFactors, SailPoint, ERP systems, and external Learning Management APIs, including automated synchronization for 11,000+ user data
• Designed and implemented AMQP-based event-driven services processing up to 500 RFID parcel scan events per day for a logistics application
• Managed deployments and application operations using CI/CD pipelines, SAP Solution Manager, SAP BTP Cockpit, Kibana, and cloud monitoring tools, performing root-cause analysis and resolving production incidents
• Managed application dependencies by resolving npm package version conflicts and remediating critical and high-severity security vulnerabilities, ensuring production compliance and application stability
• Collaborated with architects, business users, SAP governance teams, and distributed Agile teams throughout technical design, code reviews, sprint planning, documentation, and software delivery

• Worked in the IT infrastructure of the Deloitte team.
• Planned assignment as Service Catalog Manager at an insurance company in Hannover.

• Took ownership of the full development lifecycle for various features, from design through coding, debugging, and production deployment, ensuring compliance with banking-grade reliability standards.
• Optimized SQL queries, reducing data-processing time by up to 50%, especially for large datasets handled.
• Developed and maintained automated tests using JUnit and Mockito.
• Utilized GitHub Copilot as an AI-assisted development tool to accelerate code generation, improve code quality, and increase development efficiency within the team.
• Resolved 90% of assigned production issues independently, often under tight deadlines, contributing to uninterrupted system availability.

• First-time InEK costing for four facilities
• Project management
• Products: Orbis, SAP, Excel, TIP HCe, Logex

• Consultancy Databricks Lakehouse Platform Architecture
• Migration of existing manufacturing data services to Databricks. Existing services are running on various platforms & tools and are unified on target platform
• Implementation of new Data & AI use cases on Databricks platform (e.g. connecting new systems, building AI Agent prototypes, …)

Tech Stack: Databricks, Azure, PySpark, Python

Are you looking for more than just a developer, but a partner who understands business processes and develops sustainable solutions? Then I am the right person for you.

For more than 24 years, I have been helping companies develop software solutions, use data intelligently, and make business processes more efficient. I combine solid technical expertise with a deep understanding of business operations and economic relationships.

My focus is on developing custom software and database solutions as well as integrating existing systems. I have implemented numerous projects in which CRM, ERP, webshop, logistics, and other business systems were connected with each other. The result is automated processes, less manual work, and higher data quality.

I also develop business intelligence and data warehouse solutions as well as management reports that give decision-makers a reliable data basis at any time.

I get up to speed quickly in existing systems and also find practical, cost-effective solutions for complex requirements. I always keep the overall system in view - not just individual lines of code.

My services at a glance:

• Custom software development
• Database development and performance optimization
• Business Intelligence & Data Warehouse
• Management reporting and dashboards
• ERP, CRM, webshop, and logistics integration
• Interface development and process automation
• Analysis and optimization of business processes
• Technical consulting and solution architecture My clients value my structured way of working, my quick grasp of things, and my high standards of quality. I think like an entrepreneur, communicate on equal footing, and develop solutions that work well in the long run.

My goal is simple: simplify processes, make data usable, and help companies become more successful with well-thought-out software solutions.

• Consulted on IT security and process optimization, focusing on NIS2 and risk requirements
• Troubleshot and optimized plant core networks using STP, certified hardware, and open-source components such as OPNsense
• Redesigned network segmentation for VLAN rollout in a hybrid multisite multicloud setup using Tailscale VPN
• Facilitated cross-departmental discussions to align technical and social requirements
• Optimized monitoring with Grafana, Telegraf, and SNMP configurations
• Prototyped network setup for a new plant, including VLAN separation with Tailscale VPN
• Automated various scenarios using Python and Bash scripting

• Analysis of process data
• Data preparation with SQL
• Development of reports & dashboards in Celonis

MS Fabric certification with creation of pipelines and notebooks in Fabric using data from Azure, Azure Repos, Azure Boards, and GitHub. Data ingestion via OneLake Explorer, direct IP connection, and API (REST) are the main topics

• Billing software for the second-highest security authority of the Federal Republic of Germany
• Passed security clearance level 2
• Frontend and backend development
• Consulting on the introduction, design, implementation, and development of technical components
• Code reviews, component testing, module testing, group module testing
• Implementation of UI/UX design
• Used technologies: HTML, CSS/SCSS, JavaScript, Node.js, Vue 3, PrimeVue, Webpack, Vuex, Momentum, Jest, NPM, Lodash, Java 17, Spring Boot, Lombok, GraphQL, JUnit, Maven, Keycloak, Python, Docker, CI/CD, Kubernetes, Oracle SQL, Postman, Storybook, Microservices, Monorepo, Jira, Confluence, Scrum, GitLab, AWS, IntelliJ, Visual Studio Code, Neovim, XLSX, responsive Webdesign, BITV 2.0 (U.S. Section 508) / WCAG 2.2

• Implementation and mapping of regulatory requirements (CSRD, ESRS) in Shiny dashboards and backend functions
• Design and development of data-driven modules in Shiny incl. ESG metrics and reporting templates
• Integration of data sources (SQL, SAP HANA, APIs, CSV/Excel) via DBI, odbc, httr and readr
• Creation of interactive visualizations with plotly, highcharter and DT (DataTables)

• Implementation of a financing and leasing system for Market NL (Miles / Miles MMP) from supplier Sofico

• Helped 10+ SMEs to take their first steps in AI
• Held over 30 workshops on AI strategy and AI training
• Conducted audits through the identification and evaluation of AI uses
• Developed dedicated AI strategies and roadmaps for transformation
• Implemented AI workflows, AI agents and dedicated AI solutions
• Developed AI product roadmaps
• Delivered interactive trainings on prompting, EU AI Act, benefits and challenges of AI