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References

A selection of our projects – precise, efficient, and built for real-world use.

References 01

Own product · Live

Ouhud CRM – All-in-One Platform

SaaS · B2B · CRM

Ouhud CRM is our own B2B platform that unifies sales, marketing, communication and operations in one system – without plugin sprawl. 69 features are natively integrated, from AI-powered lead scoring and 20+ communication channels to invoicing and SEPA. GDPR-compliant and ready to use.

Problem: Too many tools, siloed data, high license costs.

Solution: One platform for sales, marketing, communication & operations.

Result: Everything in one place – ready to use and AI-powered.

What we delivered

  • CRM & sales: pipeline, forecasting, contracts
  • AI: lead scoring, anomaly detection, sales assistant
  • 20+ channels: WhatsApp, email, SMS, LinkedIn, live chat
  • Marketing, e-commerce & POS in one system
  • Finance: invoicing, SEPA, subscription management

Technologies used

Laravel KI (Claude · OpenAI) RBAC · 2FA · Passkeys SEPA / CAMT REST-API · Webhooks
View product

Measurable results

0

features – native, no plugins

0

API routes

0

languages

0+

channels

  • GDPR-compliant · servers in Germany
  • AI-powered – incl. Claude & OpenAI
  • From €34.99/month – no add-ons

References 02

Own product · Live

Ouhud QR – Dynamic QR Codes

SaaS · B2B · QR · Analytics

Ouhud QR is our own platform for dynamic QR codes: create centrally, change anytime and analyze in real time – without reprinting. Over 20 QR types, team workspaces with role-based access, 30+ design presets and integrations with popular tools. GDPR-compliant with a 99.9% uptime SLA.

Problem: Printed QR codes are static and not measurable.

Solution: Manage, update & track dynamic QR codes centrally.

Result: Change content anytime, full analytics – no reprinting.

What we delivered

  • 20+ QR types: URL, vCard, WiFi, PDF, payment and more
  • Change content dynamically – without a new code
  • Real-time analytics: scans, regions, devices, heatmaps
  • Team workspaces with role-based permissions
  • Integrations: HubSpot, Salesforce, Zapier, Shopify

Technologies used

Laravel Dynamische QR-Codes Echtzeit-Analytics REST-API HubSpot · Zapier · Shopify
View product

Measurable results

0 %

uptime SLA – guaranteed availability

0+

QR types

0+

design presets

0

integrations

  • GDPR-compliant · audit logs
  • Content editable anytime – no reprinting
  • From €4.99/month · API from Business

References 03

Own product · Live

Ouhud HealthFusion – Practice Software

SaaS · Practice · TI · AI

Ouhud HealthFusion is our own cloud practice software for medical practices, MVZ and clinics – from patient intake through documentation and billing to the complete German Telematics Infrastructure (eRezept, eAU, ePA 3.0, KIM). Includes AI support and a patient QR portal, GDPR-compliant with servers in Germany.

Problem: Practice software is often expensive, fragmented and not TI-compliant.

Solution: A complete cloud practice software with TI integration, AI and patient portal.

Result: All practice processes in one system – compliant and secure.

What we delivered

  • Patient record, appointments, waiting room & live dashboard
  • Complete Telematics Infrastructure: eRezept, eAU, ePA 3.0, KIM, VSDM
  • AI: coding, doctor’s letter, dictation (Whisper+GPT), lab trends
  • Patient QR portal & multilingual intake questionnaire
  • Billing (KVDT), QM module, KPI dashboard & controlling

Technologies used

Laravel TI: eRezept · eAU · ePA FHIR R4 · HL7 · KVDT KI (Whisper · LLM) Cloud in DE
View product

Measurable results

0+

areas in the patient record

0+

specialties

0

TI services

0 %

GDPR-compliant

  • Servers in Germany · GDPR-compliant
  • Full TI: eRezept, eAU, ePA 3.0, KIM
  • AI: coding, doctor’s letter & dictation

References 04

Billing system for medical practices

SaaS · B2B · Payments

An automated billing system for medical and private practices that I built for a client. It creates invoices including GOÄ items, sends them by email, patient app or post, and recognizes incoming payments automatically – GDPR-compliant with servers in Germany. The product is sold as a B2B subscription license.

Problem: Private billing costs practices time, postage and nerves.

Solution: Invoicing, delivery and payment matching – fully automated in one app.

Result: Noticeably less effort, faster incoming payments.

What we delivered

  • Invoice creation with GOÄ items & multiplier factors
  • PDF upload with automatic amount recognition
  • Delivery via email (payment link), patient app, portal or post
  • Payment by credit card, SEPA, PayPal & bank transfer
  • Automatic bank reconciliation via Open Banking (Stripe/PayPal)

Technologies used

Stripe PayPal SEPA-Lastschrift Open Banking API Server in Deutschland

Measurable results

0 Std.

less admin per month*

0 €

savings per year*

0 €

postage saved / month*

0 %

fewer payment defaults*

* Example: 80 invoices/month at €120

  • GDPR-compliant · servers in Germany
  • Patient app with push & online portal
  • Available as a B2B subscription license

References 05

Customer portal for service tickets

Web app · Laravel · API

A central customer portal where users can create, view and track their service tickets at any time. Incoming emails are automatically turned into tickets, and a REST API connects the portal to existing systems – all secured by role-based permissions.

Problem: Unclear ticket management.

Solution: Web portal with REST API, email ingestion & role permissions.

Result: 40% faster processing time.

What we delivered

  • Create, comment on and track tickets in real time
  • Roles & permissions for Admin, Support and Customers
  • Automatic email ingestion: mails become tickets
  • REST/JSON API to connect CRM & third-party systems
  • SLA tracking with status notifications

Technologies used

Laravel 12 REST/JSON API MySQL TailwindCSS Mail-Integration

Measurable results

−0%

shorter processing time

Before 100 %
After 60 %
−40% · Processing time per ticket
  • Faster ticket access for customers
  • Full traceability of every case
  • Noticeably less support effort

References 06

ETL pipeline for ERP reporting

Automation · Java · ETL

A fully automated data pipeline that extracts, validates and transforms raw ERP data into a unified schema every day. The prepared data lands in a PostgreSQL database, ready for reporting and business intelligence – with no manual steps.

Problem: Reports were created manually every day.

Solution: Cron-based ETL jobs with validation & email reports.

Result: 100% automated, error-free & on time.

What we delivered

  • Automatic extraction of raw ERP data
  • Validation & transformation into a unified schema
  • Loading into PostgreSQL for reporting & BI
  • Cron-based scheduling for daily runs
  • Email notifications & log files for monitoring

Technologies used

Java 17 Spring Batch PostgreSQL Cron Scheduling E-Mail Reporting

Measurable results

−0%

less manual effort

Before 100 %
After 30 %
−70% · Manual effort per report
  • ≈ 0% error rate through validation
  • 100% automated processing
  • Daily reports – on time & traceable

References 07

FAQ assistant with AI

AI · Chatbot · API

An AI-powered assistant that automatically answers recurring support questions based on the company’s own manuals and knowledge bases – around the clock, in natural language and seamlessly integrated into the existing support setup.

Problem: Support team overloaded with repetitive questions.

Solution: AI-powered FAQ bot with company knowledge & NLP.

Result: Significantly fewer support tickets, happier customers.

What we delivered

  • Chatbot for web & mobile with live answers
  • NLP understands freely phrased questions
  • Knowledge base from manuals & documents
  • Integration with existing CRM via API
  • Automatic fallback to human support

Technologies used

Python / NLP spaCy · Hugging Face REST-API Laravel Vue.js

Measurable results

0%

of requests answered automatically

0%
  • Answered automatically
  • Handed to support
  • Instant answers – around the clock
  • Noticeably relieved support team
  • Happier customers

References 08

Control & simulation for robotic arm

Robotics · MATLAB/Simulink

Development and validation of a control strategy for a multi-axis robotic arm – from physical modeling and controller design to real-time testing. The goal: precise, stable and reproducible motion with minimal overshoot.

Problem: Inaccurate positioning during movements.

Solution: Simulation & PID tuning with MATLAB/Simulink.

Result: More stable trajectories & reduced overshoot.

What we delivered

  • Physical model in MATLAB/Simulink (Simscape)
  • Controller design with PID & feedforward
  • Jerk-limited trajectories (S-curves/trapezoidal)
  • HIL testing via ROS/ROS2 & Gazebo simulation
  • Sensor fusion (encoder + IMU) for robust feedback

Technologies used

MATLAB/Simulink ROS/ROS2 Gazebo STM32/Arduino Python-Nodes

Measurable results

< 0°

position accuracy on reference trajectories

Less overshoot −45 %
Shorter settling time −30 %
  • More stable, smoother motion
  • Reproducible results
  • Lower prototype & development costs

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