Selected projects

References

Selected projects – each with the starting situation, the solution we built and the measurable result.

Starting point Technical solution Measurable outcome
B2B Projects
DACH Region

Insights into solutions, architecture and outcomes.

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

69

features – native, no plugins

982

API routes

12

languages

20+

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

99.9 %

uptime SLA – guaranteed availability

20+

QR types

30+

design presets

6

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

59+

areas in the patient record

36+

specialties

8

TI services

100 %

GDPR-compliant

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

References 04

Our own product

OUHUD Search Intelligence

SaaS · SEO · Content · AI visibility

Our platform connects technical website checks, content workflows and the analysis of AI answers. Teams identify technical obstacles, review citations through documented queries and prepare targeted improvements.

Problem: SEO findings, content and AI visibility are often scattered across separate tools.

Solution: Bring website crawls, bot checks, content workflows and measurements into one platform.

Result: A traceable basis for prioritising actions and reviewing their impact over time.

What we delivered

  • Website crawls and technical site audits with specific findings
  • Analyse citations and brand mentions in documented AI queries
  • Check robots.txt and access for search and AI crawlers
  • Prepare fact-based content drafts with quality checks

Technologies used

Next.js · React Python · FastAPI PostgreSQL Redis · Celery Docker

The platform in numbers

Site audit areas
5
Page access, technical setup, content, presentation and speed.
AI integrations
10
Bot profiles
22
Interface languages
5

10 AI integrations are prepared. Queries become available once the respective services are configured.

View product

How the platform supports your visibility

From your website to measurable visibility.

Assess, make targeted improvements and track changes.

Your website

Pages, content and technical structure.

OUHUD Search Intelligence

Evaluate crawls, bot checks and AI queries.

Make targeted improvements

Remove technical barriers and refine content.

Search engines

Accessible, clearly structured pages.

AI answers

Verifiable content as a potential source.

Measure again

Compare new crawls and AI queries with previous findings.

The aim: to be found more easily and considered as a source. Documented measurements show which changes occur.
  • Metrics with their source, timestamp and measurement method
  • Partial results and crawl limits clearly identified
  • Team approval before content is published

References 05

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

8.7 Std.

less admin per month*

2760 €

savings per year*

68 €

postage saved / month*

2.2 %

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 06

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

−40%

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 07

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

−70%

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 08

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

60%

of requests answered automatically

60%
  • Answered automatically
  • Handed to support
  • Instant answers – around the clock
  • Noticeably relieved support team
  • Happier customers

References 09

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

< 0.5°

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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