Patrick Von Oppen-Senior Software Engineer
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Experience
Senior Software Engineer
adesso SE
- My main task was to update and further develop the newly acquired Adesso Sports Platform
- Took over project and team leadership
- Adjusted the cloud infrastructure to reduce costs
- Led the technical takeover of the project
- Trained new employees
- Oversaw and supported mobile development
CTO (Freelance)
livvic GmbH
- Responsible for planning and implementing the project as the sole developer
- Further developed the frontend and backend
- Adapted the mobile apps
- Delivered all components
Senior Frontend Developer (Freelance)
Serrala GmbH
- Led the frontend team, responsible for maintaining and supporting Serrala GmbH's application
- Developed modules for a B2B accounting system and improved features to meet changing business requirements
- Designed and implemented the software architecture, ensuring the scalability and reliability of the systems
Frontend Developer
Hanse Orga AG
- Developed SAP-based web applications with SAP UI5 to create efficient and user-friendly software solutions
Android Developer (Freelance)
Lufthansa Systems AS GmbH
- Created and rolled out new features for the Virgin Hotels app Lucy to improve functionality and user experience
Mobile Developer (Freelance)
Sportplatz Media
- Supported the development of a cross-platform mobile app
- Provided technical guidance and implemented planned features
- Deployed the apps to Android and iOS
Fullstack Java Developer (Freelance)
Nextel IT Solutions GmbH
- Participated in project planning and management for Nextel IT Solutions GmbH, ensuring successful project execution and product delivery
- Developed a reporting tool for shipping to improve data analysis and reporting capabilities
Fullstack Java Developer
trewys GmbH
- Supported the planning and implementation of various web projects
- Onboarded and trained new employees
Fullstack Java Developer
Rat & Tat Beratungsgesellschaft mbH
- Contributed to the development of an inventory management system
- Enhanced an internal web framework
Fullstack Java Developer
Mikestar GmbH
- Supported the team in adapting and enhancing an online karaoke portal
- Adapted and prepared the system for use on Philips TVs
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Banking and Finance, Professional Services, Media and Entertainment, Sport, and Transportation.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Product Development, Project Management, and Business Intelligence.
Skills
- Java
- Ruby
- Javascript
- Typescript
- C#
- Spring Framework
- Ruby On Rails
- Angular
- Git
- Docker
- Kubernetes
- Google Cloud Platform
- Project Management
- Team Leadership
- Mysql
- Postgresql
- App Development
- Android
- Cross-Platform Development
- Sap Ui5
Programming Languages
- Go
- Kotlin
- Php
- Python
- Scala
Frameworks
- .Net
- Cordova
- Play Framework
- Sap Ui5
Other
- Azure
- Csv
- Svn
- Jsp
- Jsf
- Mongodb
Languages
Education
HAW Hamburg
Bachelor · Applied Computer Science · Hamburg, Germany
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Patrick is based in Hamburg, Germany.
Patrick speaks the following languages: German (Native), English (Advanced).
Patrick has at least 13 years of experience. During this time, Patrick has worked in at least 8 different roles and for 10 different companies. The average length of individual experience is 1 year and 4 months. Note that Patrick may not have shared all experience and actually has more experience.
Based on recent experience, Patrick would be well-suited for roles such as: Senior Software Engineer, CTO (Freelance), Senior Frontend Developer (Freelance).
Patrick's most recent position is Senior Software Engineer at adesso SE.
In recent years, Patrick has worked for adesso SE and Serrala GmbH.
Patrick is most experienced in industries like Information Technology, Banking and Finance, and Professional Services. Patrick also has some experience in Media and Entertainment, Sport, and Transportation.
Patrick is most experienced in business areas like Information Technology, Product Development, and Project Management. Patrick also has some experience in Business Intelligence.
Patrick has recently worked in industries like Information Technology and Banking and Finance.
Patrick has recently worked in business areas like Information Technology, Product Development, and Project Management.
Patrick holds a Bachelor in Applied Computer Science from HAW Hamburg.
The availability of Patrick needs to be confirmed.
Daily rate distribution
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Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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