Recommended expert

Patrick Von Oppen

Senior Software Engineer

Patrick Von Oppen
Hamburg, Germany

Experience

Oct 2024 - Jun 2025
9 months
Hamburg, Germany

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
Nov 2017 - Sep 2018
11 months
Hamburg, Germany

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
Mar 2017 - Mar 2023
6 years 1 month
Hamburg, Germany

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
Aug 2015 - Dec 2016
1 year 5 months
Hamburg, Germany

Frontend Developer

Hanse Orga AG

  • Developed SAP-based web applications with SAP UI5 to create efficient and user-friendly software solutions
Sep 2014 - Jan 2015
5 months
Hamburg, Germany

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
May 2013 - Feb 2014
10 months
Hamburg, Germany

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
Apr 2013 - Jan 2014
10 months
Hamburg, Germany

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
Feb 2012 - Apr 2013
1 year 3 months
Hamburg, Germany

Fullstack Java Developer

trewys GmbH

  • Supported the planning and implementation of various web projects
  • Onboarded and trained new employees
Jul 2009 - Jan 2012
2 years 7 months
Hamburg, Germany

Fullstack Java Developer

Rat & Tat Beratungsgesellschaft mbH

  • Contributed to the development of an inventory management system
  • Enhanced an internal web framework
Feb 2009 - Jun 2009
5 months
Hamburg, Germany

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

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 (13 years), Banking and Finance (6 years), Professional Services (1.5 years), Media and Entertainment (1 year), Sport (1 year), and Transportation (1 year).

Information Technology
Banking and Finance
Professional Services
Media and Entertainment
Sport
Transportation

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 (13.5 years), Product Development (12 years), Project Management (3.5 years), and Business Intelligence (1 year).

Information Technology
Product Development
Project Management
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

German
Native
English
Advanced

Education

Oct 2009 - Sep 2012

HAW Hamburg

Bachelor · Applied Computer Science · Hamburg, Germany

Profile

Created
Need a freelancer? Find your match in seconds.
Try FRATCH GPT
More actions

Frequently asked questions

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

Where is Patrick based?

Patrick is based in Hamburg, Germany.

What languages does Patrick speak?

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

How many years of experience does Patrick have?

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.

What roles would Patrick be best suited for?

Based on recent experience, Patrick would be well-suited for roles such as: Senior Software Engineer, CTO (Freelance), Senior Frontend Developer (Freelance).

What is Patrick's latest experience?

Patrick's most recent position is Senior Software Engineer at adesso SE.

What companies has Patrick worked for in recent years?

In recent years, Patrick has worked for adesso SE and Serrala GmbH.

Which industries is Patrick most experienced in?

Patrick is most experienced in industries like Information Technology (IT), Banking and Finance, and Professional Services. Patrick also has some experience in Media, Entertainment and Publishing, Sport and Recreation, and Transportation and Logistics.

Which business areas is Patrick most experienced in?

Patrick is most experienced in business areas like Information Technology (IT), Product Development, and Project Management. Patrick also has some experience in Business Intelligence.

Which industries has Patrick worked in recently?

Patrick has recently worked in industries like Information Technology (IT) and Banking and Finance.

Which business areas has Patrick worked in recently?

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

What is Patrick's education?

Patrick holds a Bachelor in Applied Computer Science from HAW Hamburg.

What is the availability of Patrick?

Patrick will be available from April 2026.

What is the rate of Patrick?

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

How to hire Patrick?

To hire Patrick, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

1000
750
500
250
Market avg: 730-890 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.