Development and operaAon of web-platform to connect and bill advisory services.

• Coding of new features in Spring Boot on backend and Angular8 on frontend side
• OperaAon of infrastructure based on heroku cloud services
• Maintaining conAnuous integraAon build queues and scripts based on heroku tesAng
• Threat modelling of new features, like oneAme-link-sharing, which were posing potenAal security risks
• Improved overall release process by hardening release process with addiAonal acceptance tests and staAc code analysis
• Delivered and shipped product conAnuously in agile scrum process in team of three

Penetration testing of AWS cloud infrastructure for B2C financial service provider.

• Audit of exisAng AWS cloud infrastructure
• Identification of insecure usage of S3 storage leading to cross-site scripting anack vectors in CRM
  software
• WriAng of detailed report with findings
• Debriefing and consulting of fixing true positives

Development of mobile applicaAon for journalists wriAng and creaAng news content on the go for the dpa (German News Agency).

• Development of mobile PWA (Progressive Web App) consuming GraphQL interface with Angular7
• Coaching of product owner in wriAng user stories and uAlising scrum process
• Implemented conAnuous integraAon using AWS Amplify and adding staAc code analysis to build and delivery process as well as acceptance tests
• Delivered and shipped product conAnuously in agile scrum process in team of six

• DetecAon of broken authenAcaAon management
• UAlising insufficient cross- site request forgery protecAon
• Fuzzing of backend interface
• WriAng of detailed report with findings
• Debriefing and consulAng of fixing true posiAves

DevSecOps of individual GDPR documentation tool, which is designed to help companies to fullfill and follow GDPR rules.

• Development of features in reactJS in frontend and ruby on rails in the backend
• CreaAng security concept for new features
• MigraAon of conAnuous integraAon process from CircleCI to TravicCI
• Hardening of build and delivery process by adding automated dependency checking, staAc code analysis, as well as automated tesAng of authorisaAon layer
• OperaAon of cloud based infrastructure on heroku and AWS
• Delivered and shipped product conAnuously in agile kanban process in team of three

Development of digital user account and service platorm for members of the Hamburg Chamber of Commerce.

• Start of development of platorm in Spring boot and Angular
• CreaAng security concept of user account creaAon process
• Deploying of micro service applicaAon in docker containers for later kubernetes producAon enrolment
• Setup and design of conAnuous integraAon process using TravisCI with automaAc docker image security checks, staAc code analysis and dependency checker
• Delivered and shipped product continuously in agile scrum process in team of four

DevSecOps of individual GDPR documentation tool, which is designed to help companies to fullfill and follow GDPR rules.

• Development of features in reactJS in frontend and ruby on rails in the backend
• CreaAng security concept for new features
• MigraAon of conAnuous integraAon process from CircleCI to TravicCI
• Hardening of build and delivery process by adding automated dependency checking, staAc code analysis, as well as automated tesAng of authorisaAon layer
• OperaAon of cloud based infrastructure on heroku and AWS
• Delivered and shipped product continuously in agile kanban process in team of three

Development of onboarding platform for new customers of the product Easycontract. It is the pay engine of financial online service provider Concardis.

• Development of platform features in Spring boot and Angular2+
• CreaAng security concept of user registration process and transfer of data to external SalesForce API
• Hardening of build pipeline by adding staAc code analysis and automated fuzzing of release candidates
• CommunicaAon with external penetraAon testers, who frequently tested applicaAon for the releases and evaluaAon of penetration test findings. Priorisation of true-positives
• Delivered and shipped product continuously in agile scrum process in team of seven

Development of mobile shopping app (Android und iOS) for the existing backend of hagebau.

• Development of mobile client iOS in swig
• Development of mobile client on Andoird in Java
• Creating continuous integration build pipeline with CircleCI, Bitrise, Fastlane and HockeyApp
• Delivered and shipped product continuously in agile scrum process in team of five

Development of workshop platform for teachers and customers. Goal of the service was, to make it easier to find workshops and classes in your area.

• Development of pltform features in Python and Django
• Hosting of platform on own server infrastructure
• Delivered and shipped product continuously in agile scrum process in team of two

Joined the IT management team containing of eight team leads, one head of engineering and the CTO. Helped manage and build development department and foster communication between the different sub-departments.

• Hiring new team members
• Laying out new hiring process with other leads
• Creating drag for career concept for the IT department
• Management of three agile teams (driver app, business intelligence, internal tooling)
• Moderating of agile scrum meetings like grooming or retrospectives