Since Feb. 2017 Full-Stack Developer/Scrum Master ? Cross-Channel Banking, Commerzbank AG, Frankfurt

The system consists of multiple applications integrated within the Commerzbank portal for private and corporate customers, as well as branch employees.

• Design and implementation of the latest online banking features
• Refactoring and further development of the application framework codebase
• Providing documentation for business development teams using the framework components
• Scrum Master: ensuring the realisation of agile development principles and solving problems within the team
• Tools: Java 7/8, JavaScript, Groovy, Spring MVC, Spring Security, Apache Wicket, Apache Velocity, JSP, ReactJS, Hibernate/JPA, OracleDB, Git, TFS, Maven, Eclipse, IntelliJ IDEA

Dec. 2016 - Jan. 2017 Software Developer ? Java Microservices, Hordedelivery.com, Darmstadt
Hordedelivery.com is a service for EVE Online players, which facilitates the execution of task on behalf of the player, such as acquiring items within the game. The application is composed of multiple microservices maintained as open-source Github projects.

• Design and implementation of an event-oriented microservice for querying order data using the Vert.x toolkit (URL on request).
• Implementing parts of the main application frontend using Angular 2
  (URL on request).
• Tools: Java 8, Vert.x, Spring Boot, Spring Data, MongoDB, TypeScript, Angular 2, Git, Maven,
  Docker, IntelliJ IDEA

Apr. ? Oct. 2016 Software Engineer ? Medical & FinTech Applications, BAYOONET AG, Darmstadt

Project I:

Development and Quality Assurance of an Android app for diabetes patients
The app assists a diabetes patient in their daily life, i.a., through insulin recommendations based on
various measurements and tracked activities. The app further allows injecting the hormone via a
Bluetooth-connected insulin pump.

• Modelling app components with UML according to UI guidelines and requirements documents.
• Reviewing code, architecture & design documents, test specifications, and related artefacts.
• Discussing review findings and suggestions for improvement with the customer and the
  implementation team in India.
• Design and implementation of unit and instrumentation tests for legacy code.
• Tools: Java 7, UML, Android Studio, Enterprise Architect, SVN, JUnit, Mockito/PowerMockito

Project II: Technical conception of an iPad app for occlusion measurement
The app supports dentists in digitally measuring denture occlusion with a specific handheld device.
The results can be displayed within the app as a 2D/3D model and compared with historical data.

• Preparing the software requirements specification (SRS). Main focus: inter-device
  communication via a proprietary TCP/IP-based protocol.
• Modelling and documenting software architecture with UML.
• Estimating implementation costs based on own experience and documentation/literature.
• Tools: Enterprise Architect, Git, Microsoft Team Foundation Server

Project III: Development of a distributed Java/JavaScript application for financial market data
The application consists of multiple services which allow efficient processing and provisioning of
information about security documents.

• Developing a component for uploading data about newly emitted securities into the Content
  Management System and refining the backend to handle large uploads.
• Developing a NodeJS service for supplying the security information to the end customers in PDF
  format.
• Tools: JavaScript, NodeJS, JPA/Hibernate, Git

Sept. 2015 ? Jan. 2016 Masters project ? Cloud Computing, TU Darmstadt
Subject: Energy cost of Cloud services and its relation to the fairness of Cloud pricing models.

• Developing a tool for capturing performance metrics for kernel-based virtual machines (KVM) in
  an Infrastructure-as-a-Service environment.
• Constructing a model of a VM?s energy consumption based on the collected metrics.
• Tools: Python, SciPy, KVM, Ubuntu, Eclipse, Git

Aug. ? March 2015 Co-founder and Lead Android Developer, [Name on request], Warsaw
[Name and URL on request] is an app for people who like to play team sports as a recreational activity. It
accesses a database of publicly accessible sports fields in the city and lets the user find places to
play and socialise with the local sporting community.

• Refactoring and redesign of an existing Android application
• Design and implementation of new features based on APIs such as Google Cloud Messaging,
  Google Maps, and Facebook for Android SDK.
• Providing task specifications and instruction material to less experienced colleagues working in a
  remote team (Poland-Germany).
• Tools: Java 7, Android Studio, Gradle, Git, JUnit, Realm, RxJava

Jan. 2012 ? May 2015 CTO and Co-founder, [Name on request], Munich/Frankfurt (Main)
[Name and URL on request] is an intelligent news application for iOS, Android, and the Web. It enables
the user to create their personal magazine aided by automatic recommendations. The company?s
business model consists in subscriptions which give access to paid content from publishing
partners. In Nov. 2013 [Name on request] acquired the German EXIST scholarship for high-tech startups.

• Development of the native [Name on request] app for Android.
• Development of the Web application with Apache Wicket.
• Construction of a RESTful web service API for communication between mobile apps and the
  backend.
• Tools: Java 8, JavaScript, HTML/CSS, Eclipse, Apache Wicket, JUnit, Mockito, MySQL, SQLite,
  JPA/Hibernate, Ubuntu Server, Maven, SVN, Git

Apr. ? Sept. 2012 Software Project Manager, TU Darmstadt
Leading teams of Bachelor students developing Java-based systems for real-life deployment in
science and industry.

• Advising younger students on unit testing, Continuous Integration, test and build automation.
• Assuring the quality of the delivered products and documents.
• Monitoring the agile development process and managing the communication across all
  stakeholders.
• Tools: Java 7, JUnit, Mockito, Maven, Git, Jenkins, Redmine/Chiliproject

Jan. 2010 ? Sept. 2013 Student Assistant, TU Darmstadt

• Assisting students in learning Computer Science basics and evaluating excercise solutions.
• Holding tutorials on algorithms, communication networks, Java programming, and UML
  modelling.
• Tools: Java 7, UML, SVN

Oct. 2011 ? March 2012 Working Student at Risk Management, KPMG AG, Frankfurt (Main)

• Configuration and maintenance of an internal system for global communication and risk
  monitoring.
• Providing documentation and user guides.

Oct. - Nov. 2010 Intern at Traffic Management, DB Netz AG, Frankfurt (Main)

• Project dealing with a system for efficient train speed recommendations.
• Conducting software tests and evaluating compliance with safety requirements.