Joshua Wellbrock - Software Engineer

Q: Where is Joshua based?

Joshua is based in Bingen, Germany .

Q: What languages does Joshua speak?

Joshua speaks the following languages: German (Advanced), English (Advanced) .

Q: How many years of experience does Joshua have?

Joshua has at least 6 years of experience. During this time, Joshua has worked in at least 14 different roles and for 11 different companies . The average length of individual experience is 3 months . Note that Joshua may not have shared all experience and actually has more experience.

Q: What is Joshua's latest experience?

Joshua's most recent position is Software Engineer .

Q: What companies has Joshua worked for in recent years?

In recent years, Joshua has worked for Merck KGaA , Bundeskriminalamt , VISUALYS GmbH , Johanniter Unfallhilfe Regionalverband Rheinhessen , and webfactor media GmbH .

Q: Which industries is Joshua most experienced in?

Joshua is most experienced in industries like Information Technology (IT) , Healthcare , and Transportation and Logistics . Joshua also has some experience in Manufacturing , Government and Public Administration , and Automotive .

Q: Which business areas is Joshua most experienced in?

Joshua is most experienced in business areas like Information Technology (IT) , Product Development , and Project Management . Joshua also has some experience in Research and Development (R&D) , Quality Assurance (QA) , and Business Intelligence .

Q: Which industries has Joshua worked in recently?

Joshua has recently worked in industries like Information Technology (IT) , Healthcare , and Transportation and Logistics .

Q: Which business areas has Joshua worked in recently?

Joshua has recently worked in business areas like Information Technology (IT) , Product Development , and Project Management .

Recommended expert

Bingen, Germany

Experience

Jan 2024 - Dec 2024

1 year

Software Engineer

Building digital trust in value chains
Ensuring digital trust, enabling quality and reliability in connected Machine-to-Machine (M2M) environments and new business models in the industrial Internet of Things (IIoT)
Technologies: Flutter 3.X/Dart 3.X, BLE & RFID, PlatformIO, CI/CD, Azure DevOps/Github, microcontroller/embedded programming (ESP32, STM32), multivariate data analysis

Oct 2023 - Dec 2023

3 months

KPI Dashboard for Emergency Medical Services

Developed a KPI dashboard using predictive algorithms for procurement planning and budget calculation in emergency medical services
Integrated into an existing PWA
Developed predictive algorithms to forecast material needs and fuel consumption
Compared forecast accuracy with traditional statistical methods
Client: Bingen University of Applied Sciences, Rettungsdienst Corneli GmbH

Oct 2023 - Dec 2023

3 months

Darmstadt, Germany

Senior Software Architect / Consultant

Merck KGaA

Technical conception, design, implementation, documentation, and maintenance of a Flutter app
Project details are confidential
Technologies: Flutter 3.X/Dart 3.X, OpenAPI, Java Standard Edition (JDK 8–17), Web services, XML, JAX-RS, JavaEE (JEE 6/7)

Apr 2023 - Aug 2023

5 months

Lead Frontend Developer – Training Portal OKR Dashboard

Platform for company management using OKR
Technologies: Flutter/Dart, Microsoft Azure, Microsoft Azure AD, Microsoft Azure CI/CD, Kubernetes
Client: Bingen University of Applied Sciences study project & System Vertrieb Alexander GmbH, Wiesbaden
Final grade: 1.0

Apr 2023 - Jul 2023

4 months

Developer – Webshop Scraper & Data Analytics

Developed a webshop scraper and data analytics solution with predictive models
Technologies: Python, Apache Kafka & Kafka Streams, Elasticsearch & Kibana, Linear Regression for Data Analytics, Docker
Project language: English
Final grade: 1.3

Jan 2023 - Aug 2023

8 months

Wiesbaden, Germany

Developer / Software Architect

Bundeskriminalamt

Development of a mobile app for Dashboard4Ewon to access Ewon devices with one-click installation on Ewon Flexy
Technologies: Flutter/Dart

Jan 2023 - Aug 2023

8 months

Geisenheim, Germany

Developer / Software Architect

VISUALYS GmbH

Development of the Dashboard4Ewon mobile app for mobile access to Ewon devices with one-click installation on Ewon Flexy
Technologies: Flutter/Dart

Dec 2022 - Aug 2023

9 months

Mainz, Germany

Project Manager / Developer / Software Architect

Johanniter Unfallhilfe Regionalverband Rheinhessen

ResAdmin: internal management portal, PWA & mobile app for digitizing emergency services and simplifying emergency patient registration
Features: smart logbook, inventory management, central capacity tracking, patient registration via app
Technologies: Flutter/Dart, Google Firebase (Cloud Messaging, Cloud Firestore, Cloud Functions), push notifications, NFC, QR code and PDF generator, SQL database/PHP/authentication, Google Maps/geolocation, AWS (PostgreSQL, Python web scraper, Python linear regression, REST API, Docker)

Oct 2022 - Feb 2023

5 months

Developer – Training Portal OKR Dashboard

Platform for company management using OKR
Technologies: ASP.NET (C#), Flutter/Dart, Microsoft Azure, Jakarta RESTful Web Services, Docker, Kubernetes
Client: TH Bingen study project
Final grade: 1.0

Oct 2022 - Feb 2023

5 months

Developer – Distributed Auction Platform

Development of a distributed auction platform
Technologies: Flutter/Dart, Java, Spring Framework, RabbitMQ, Kubernetes
Project language: German
Final grade: 1.3

Jun 2022 - Jul 2022

2 months

Würzburg, Germany

Developer

webfactor media GmbH

KiKom mobile app for kindergarten digitization to accelerate the product backlog
Technologies: Flutter/Dart, BLoC state management

Feb 2022 - Sep 2022

8 months

Consultant / Mentor

SSI Software Services GmbH

Consulting and mentoring new Flutter developers
Development of a BLE mobile app
Technologies: Flutter/Dart, Bluetooth Low Energy

May 2021 - Dec 2022

1 year 8 months

Hybrid

HyKI – Hybrid AI Industrial IoT Platform

Research and development of a hybrid digitization platform that links expert knowledge and AI to optimize machines
Universal platform for different machines and applications
Clients: Wachendorff Automation GmbH & Co. KG, Visualys GmbH, RheinMain University of Applied Sciences

May 2021 - Dec 2022

1 year 8 months

Geisenheim, Germany

Developer

Wachendorff Automation GmbH & Co. KG

Development of SECAD, a mobile app for configuring and diagnosing NFC-configurable rotary encoders
Technologies: Flutter/Dart, encryption, local storage (sqflite), NFC, generic software and security concept

Oct 2020 - Apr 2021

7 months

Münster-Sarmsheim, Germany

Developer

Rettungsdienst Corneli GmbH

Development of PDFBox: containerized REST API for processing, validating, and generating PDF files
Technologies: Java/Maven, Docker, PDF generation, PDF manipulation, PDF validation (PDF/A)

Feb 2020 - Jun 2020

5 months

Rüsselsheim, Germany

Developer

Karon Beratungsgesellschaft mbH

Warehouse management system and order entry PWA & Mobile App
Technologies: Flutter/Dart, SQL database/PHP/authentication, PDF generation, QR code reader/creator

Feb 2020 - Feb 2020

1 month

Grolsheim, Germany

Developer

BF-Eventtechnik

WordPress website
Technologies: WordPress

Sep 2019 - Dec 2019

4 months

firstAID – Smart and interactive first-aid

Development of a smart, interactive first-aid app
Technologies: Flutter/Dart, BLoC state management

Aug 2019 - Dec 2019

5 months

SocialRide – Mobile network for motorcycle riders

Mobile app (iOS/Android) as a social network for motorcycle riders
Technologies: Flutter/Dart, In-App Purchase, Google Maps, Google Firebase Authentication

Mar 2019 - Jun 2022

3 years 4 months

Landau, Germany

Project Manager / Developer / Software Architect

Schoppe-Wellbrock Transport Service GbR

Internal order and work-time management portal, PWA & mobile app
Technologies: Flutter/Dart, Google Firebase (Cloud Messaging, Cloud Firestore, Cloud Functions), push notifications, PDF generation, image capture and storage

Dec 2018 - Jun 2023

4 years 7 months

Münster-Sarmsheim, Germany

Project Manager / Developer / Software Architect

Rettungsdienst Corneli GmbH

Initial development of ResAdmin: internal management portal, PWA & mobile app for ambulance service digitization and patient registration
Technologies: Flutter/Dart, Google Firebase (Cloud Messaging, Cloud Firestore, Cloud Functions), Push Notifications, NFC, QR code and PDF generator, SQL database/PHP/authentication, Google Maps/Geolocation, AWS (PostgreSQL, Python web scraper, Python linear regression, REST API, Docker)

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (5.5 years), Healthcare (5 years), Transportation (3.5 years), Manufacturing (3 years), Government and Administration (0.5 years), and Automotive (0.5 years).

Information Technology

Healthcare

Transportation

Manufacturing

Government and Administration

Automotive

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (6 years), Product Development (6 years), Project Management (4.5 years), Research and Development (1.5 years), Quality Assurance (1 year), and Business Intelligence (1 year).

Information Technology

Product Development

Project Management

Research and Development

Quality Assurance

Business Intelligence

Languages

German

Advanced

English

Advanced

Education

Bingen University of Applied Sciences

Bingen, Germany

Profile

Created

April 2024

Last Update

July 2025

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Joshua based?

Joshua is based in Bingen, Germany.

What languages does Joshua speak?

Joshua speaks the following languages: German (Advanced), English (Advanced).

How many years of experience does Joshua have?

Joshua has at least 6 years of experience. During this time, Joshua has worked in at least 14 different roles and for 11 different companies. The average length of individual experience is 3 months. Note that Joshua may not have shared all experience and actually has more experience.

What roles would Joshua be best suited for?

Based on recent experience, Joshua would be well-suited for roles such as: Software Engineer, KPI Dashboard for Emergency Medical Services, Senior Software Architect / Consultant.

What is Joshua's latest experience?

Joshua's most recent position is Software Engineer.

What companies has Joshua worked for in recent years?

In recent years, Joshua has worked for Merck KGaA, Bundeskriminalamt, VISUALYS GmbH, Johanniter Unfallhilfe Regionalverband Rheinhessen, and webfactor media GmbH.

Which industries is Joshua most experienced in?

Joshua is most experienced in industries like Information Technology (IT), Healthcare, and Transportation and Logistics. Joshua also has some experience in Manufacturing, Government and Public Administration, and Automotive.

Which business areas is Joshua most experienced in?

Joshua is most experienced in business areas like Information Technology (IT), Product Development, and Project Management. Joshua also has some experience in Research and Development (R&D), Quality Assurance (QA), and Business Intelligence.

Which industries has Joshua worked in recently?

Joshua has recently worked in industries like Information Technology (IT), Healthcare, and Transportation and Logistics.

Which business areas has Joshua worked in recently?

Joshua has recently worked in business areas like Information Technology (IT), Product Development, and Project Management.

What is Joshua's education?

Joshua holds a Bachelor from Bingen University of Applied Sciences.

What is the availability of Joshua?

Joshua is immediately available for suitable projects.

What is the rate of Joshua?

Joshua's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.