RFID Experts in Germany

• 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

Consulting and software for intralogistics automation (AGV/FTS) · Product lines AGVHub (independent AGV project consulting, layout editor) and OneBob (all-in-one business software for small teams)

• Designed and planned the implementation of a supervisory control system for a bakery production line (engineering customer, kick-off workshop 08/2025): three development stages, eight acceptance-ready milestones, batch traceability, AGV integration with RFID, Vue frontend.
• Discovery and requirements discussions with plant logistics and IT teams at industrial customers (life science, aviation, steel, engineering): translated supervisory control, ERP interface, and VDA 5050 requirements into architecture and requirements specification structures.
• Go-to-market automation and analytics: Bing and Meta campaigns, LLM-supported LinkedIn content pipeline, performance dashboards for partners and sales.
• Expert posts on LinkedIn about robotics and intralogistics: around 170,000 impressions across 41 posts (03 to 08/2026).

• Training AI models, evaluating images and text UI/UX, turning the provided data into insights through OpenAI Feather as part of the machine learning workflow

Technologies: OpenAI Feather

• Developed a new iOS access-control scanning app for security/gate staff to validate RFID wristbands/badges in real time
• Implemented an online/offline hybrid architecture: scans are first checked against the API, with a fallback to local SQLite data in case of network issues, including complete access policy evaluation (zone, direction, scan limits)
• Developed a native iOS RFID bridge: connected the proprietary RFID SDK (QuantumSDK) via a custom Expo Config Plugin + Native Module; integrated LineaPro Bluetooth scanner hardware
• Implemented real-time updates via WebSocket (Pusher protocol), including private-channel authentication and reconnect with exponential backoff for device-/gate-/event-based configuration changes
• Designed a 3-level persistence setup (Keychain/MMKV/SQLite) for secure credentials, high-performance state and offline-capable scan/credential data
• Implemented incremental credential sync (Cursor + updated_after) as well as batch upload of scan logs after reconnect to ensure consistent data in field operations

• Development and design of a new oil drilling machine for the Beatrice oil drilling platform, Scotland
• Concept development of the Pipe-Overdeck work platform with crane, total load 200 tonnes
• Static FEM calculation and CFD flow calculation for the safe drainage of oil-contaminated wastewater
• Planning, calculation and design of the concept
• Management of 5 designers
• CAD: CREO, Model Manager, SAP
• FKM, VDI 2230 and Euro Code 3

Freelance work for a large German family office

Built and further developed a modular B2B SaaS platform for professional wealth management and family offices, alongside freelance delivery of production-ready AI, data management, and automation solutions for the wealth management sector.

• Developed an AI governance framework for regulated finance and asset management workflows, aligned with DORA, BaFin-related governance expectations, and data protection requirements, including role definitions, access levels, and decision rules.
• Designed an agentic system with a locally operated open-source language model, including Qwen2.5 via Ollama, for secure querying of an asset database through text-to-SQL-to-text workflows.
• Built AI-supported analysis and reporting capabilities that generate structured answers, tables, and charts from asset data, with domain validation through resolver logic and RAG elements.
• Developed production-grade data import workflows for financial service provider data from CSV, PDF, and API sources, including validation, plausibility checks, and reconciliation with existing asset data.
• Solved the asset matching problem without a cross-system primary key through multi-stage validation rules and human-in-the-loop approvals.

Results:

• Secured EUR 250,000 in SaaS revenue in 2024, exceeding the forecast by 20%.
• Acquired family office clients with EUR 1.6bn in assets under management.
• Reduced manual effort for the largest client by approx. 3 days per month through automated data import and reconciliation processes.
• Reduced operational error risk through structured data validation, multi-stage asset matching, and human-in-the-loop approvals.

Seqnaut and Sycosm (WIP) – Embedded Audio DSP & Synthesis Platform

• Embedded audio DSP framework — synthesizers, effects, drum machines; modular audio graph
• Sequencing: PianoRoll, StepGrid, MasterClock; 8-voice polyphonic synth; CLI + OSC
• Transient Detector — dual-envelope adaptive threshold, guitar attack detection
• Hardware: Teensy 4.1, custom AFE design tapping BOSS GX-100; MIDI FX integration

Label: C++23, C, Python, CMake, FreeRTOS, Teensy 4.1 (ARM Cortex-M7), Teensy Audio (Stoffregen), DaisySP, I2S/SAI, OSC, MIDI

• Overall technical responsibility for innovative SAP Customer Checkout solutions for leading customers such as Aramark, Consortium Gastronomie, Feinkost Käfer, TSG Hoffenheim, and VfB Stuttgart. End-to-end support from requirements analysis through implementation and support.

• Successful design and development of the NDS SmartPOS platform ("Läufer App"):

• Development of the software architecture and implementation according to Modern Android Development principles.

• Management of a small development team (1 Android expert, 1 working student) with a 50 % share of my own development work.

• Integration of various payment SDKs (S-Payment S-POS, VR Payment, CCV), enabling customers to achieve significant cost savings by continuing to use existing contracts.

• Successful rollout at several major customers, with demonstrably increased efficiency of sales staff.

• Independent development and successful implementation of critical infrastructure components:

• Reporting server (SQL, JasperReports): Demonstrable reduction in accounting workload by eliminating the need for daily manual data transfer to the ERP system.

• ZVT plugin: Sole responsibility for implementing the serial protocol with Java/Netty over TCP/IP, saving several thousand euros per site and successfully used in production at several Bundesliga stadiums.

• Complete independent development of specialized plugins and server applications for customized extensions of SAP Customer Checkout:

• Waiter Teams Plugin: Enables waiters to work and settle accounts as a team.

• SQL Reporting: Independently delivered from concept through complete documentation.

• RFID payment solution for employee cards: Responsible for the complete development cycle.

• Integration with reservation services: Designed seamless integration with Luca and other services and implemented it together with a colleague.

• Direct on-site technical support for customers, including rapid troubleshooting in real-time environments with high transaction volumes and direct coordination with stakeholders to continuously improve the systems based on practical experience.

This is what LocalConnect offers you

• Guaranteed 30+ new guests in just 30 days
• Specifically designed for restaurants, hotels, cafés & bars in the DACH region
• More full tables without discounts
• More regular guests who keep coming back
• More positive Google reviews
• More revenue and profit per guest
• Higher occupancy – even on slow days
• Faster recruitment of qualified staff
• Building your own guest database for follow-up offers
• Fully automated WhatsApp marketing system
• Meta ads for predictable guest acquisition
• WhatsApp newsletter for long-term guest retention
• Recruiting campaigns for new staff
• GDPR-compliant implementation
• Turnkey system – we handle the entire setup
• No tech stress and no extra work
• Measurable results through live tracking
• More predictability, security, and sustainable growth
• You focus on your guests – we'll take care of the rest

• Project leadership for more than 150 validation and verification projects for medical ceramic implants (hip, knee, shoulder, spine and dental) in production areas with presses, mills, turning, grinding, milling, polishing, proof, laser, washing and packaging equipment as well as cleanrooms at international locations

• Management of the Validation Team and overall planning of validation activities, including preparation of application specifications, equivalence analyses, risk classifications and validation plans (VP/DP/IP/OP/PP/FAT)

• Execution of FATs at suppliers, preparation of FAT and Final Reports for regulatory submissions to authorities and customers

• Participation in internal, authority and customer audits

• Senior project leadership for SAP PS-BAU at a leading bank in Frankfurt: management of the development team, coordination of external service providers, Single Point of Contact for the business unit, support during the concept phase and test management

• Consulting and delivery of training and workshops on quality, validation and regulatory requirements for international equipment manufacturers and system integrators

• Consulting and project leadership in supply chain, logistics and procurement for international customers

• Developed AUTOSAR applications using Eclipse RCP for RTA-CAR AUTOSAR stack from ETAS
• Collaborated with Platform and Isolar-A teams on ASW development and testing workflows
• Implemented UI automation testing using Java SWTBot framework, enhancing regression coverage
• Built microservices-based applications using Java, Spring Boot, and Angular for internal tooling
• Enhanced AUTOSAR toolchain reliability through cross-team collaboration in development and testing

• Proceeding what was started in 10/2023, offering data science development skills fulltime to international clients

• Helping companies learn more about their existing (unstructured) data, optimize processes and technical systems, and derive solutions for their problems

• Tools and technology used: Python (sklearn, pandas, numpy, Django, sqlAlchemy, pyTorch), Matlab, Docker, AWS EC2, Lambda, S3, SQL, MySQL, Hadoop & Spark, Machine Learning, DNN, AI, Jira, Confluence, Git, CI/CD, GitLab, Jenkins

• Redesigning cablewise infrastructure with CAT 8.1 keystones, measuring the speed and quality of the new installation with Pockethernet, documentation at a local saddlery
• CAT 8.1 installation and building a data center, site linking, VPN and VLAN configuration for a local car dealership, implementation of IT-Security standards like virus protection (G Data) and firewalling (OPNSense)
• Relocation of a tax office with redesign of the IT infrastructure, virus protection (G Data) and backup solutions (QNAP)
• Planning, conception and implementation of an inhouse data center, BSI-compliant for commercial laundry (including Proxmox-based virtualization of existing infrastructures, QNAP, G Data, OPNSense, APC)
• Implementation and conception of security solutions in the SME sector
• Collaboration on the IT-security concept for the Bremen network of authorities (in the dLAN network)
• Creation of IT-security concept VOIS (modules MESO, KFZ/iKFZ) including audit preparation for KBA
• Expansion of the IT-security concept for the online service for electronic residence registration (eWA) to include use as an eFA (one-for-all) service (nationwide)
• Expansion of the IT-security concept to include modules wos & wvp
• Concept development for the implementation of DIN SPEC 27076 at MSEs and SMEs
• Creation and evaluation of emergency concepts
• Creation and evaluation of response actions and BCM plans
• Assessment of existing business continuity management (ISO 22301)
• Development of BCM strategy options
• Conducting awareness training

• Led the central Instore Logistics Team and oversaw support operations across 13 stores in Germany and Luxembourg, ensuring seamless coordination of logistics processes and strategic direction.

• Oversaw all merchandise management processes across stores, eCommerce, and Pick from Store, ensuring alignment, efficiency, and operational consistency.

• Analyzed staffing procedures and personnel costs across support teams, providing data-driven recommendations to the Executive Board for annual budget planning.

• Led continuous improvement initiatives including documentation, KPI development, and performance tracking to drive operational excellence through data-based insights.

• Provided technical support for new store openings and transformation projects, ensuring integration with central logistics and adherence to EU Price Indication Regulation (PAngV).

• Managed optimization and digitalization projects, including piloting digital price tags across stores to enhance efficiency and customer experience.