• Development and maintenance of Java Spring application for a laboratory device. 
• Integration with various 3rd party APIs. 
• Requirement analysis and feasibility prototyping for new features.
• JUnit testing, Integration testing and end2end testing

• Anforderungsanalyse, Design, Implementierung und Wartung einer Document Flow Management Webanwendung
• Als zweiten kleinen Kunden für 8 bis 12 Stunden der Woche in 100% Remote
• Nur Backend Bereich.

• Development of JEE Spring microservices web mobile payment systems. 
• API integration with various mobile operators, local and international. 
• API evaluation and integration of various OTT partners like Microsoft, Apple and Google. 
• Migration to AWS cloud. 
• Application of monitoring rules and metrics.
• Scrum team

• Anforderungsanalyse, Design, Implementierung und Wartung einer komplexen Compliance Software (Transaction Control und Management) gegen große Maßen von lokalen und internationalen Daten mit strengen SLA Anforderungen für die Bearbeitung.
• Implementierung neue Kunden Anforderungen als Produktspezifisch oder Projektspezifisch je nach Bedarf.
• Wartung der Kunden Projekten wie Bugfixing und weitere Entwicklung.
• Arbeiten in großen Scrum agilen und verteilten Teams 80% Remote.

• Anforderungsanalyse, Design, Implementierung und Wartung einer Genereader System für die Verknüpfung Laborgeräte als Webanwendung
• Implementierung neuer Anforderungen und Schnittstellen verschiedenen Geräten.
• 20% Scrum Master Tätigkeiten.

• Anforderungsanalyse, Design, Implementierung und Wartung einer komplexen Compliance Software (Transaction Control und Management) gegen große Maßen von lokalen und internationalen Daten mit strengen SLA Anforderungen für die Bearbeitung.
• Implementierung neue Kunden Anforderungen als Produktspezifisch oder Projektspezifisch je nach Bedarf.
• Wartung der Kunden Projekten wie Bugfixing und weitere Entwicklung.
• Arbeiten in großen Scrum agilen und verteilten Teams 20% Remote

• Betreuung und Leitung von zwei agilen Teams der Softwareentwicklung.
• Anforderungsanalyse, Product-Owner Support, Inter-Team Collaboration, Budget-abstimmung, Bewerber-Filtern, Personalverantwortung
• 2 Produkte-Microservices Verantwortung, Planung, Site-Reliability SRE, SLA, Berichte
• Teilweise als Scrum Meeting Moderator für andere Teams bei Bedarf

• Entwicklung von JEE + Spring/Web Mobil-Zahlungssystemen
• API Integration mit verschiedenen Mobilnetzbetreibern, z.B. Swisscom, DoCoMo, O2, Vodafone
• API Integration mit verschiedenen OTT Partnern wie Apple, Google, Spotify, FlixBus

• Softwareentwicklung
• Technische Projektleitung
• Produktentwicklung und Leitung eines Entwicklungsteams von Java Spring-boot/Web Zahlungssysteme Mobil sowie Kreditkarten, Direkt Billing, PayPal und Paysafecard
• API Integration mit verschiedenen Mobilnetzbetreibern und OTT Partnern wie Amazon (AWS), Facebook und Google Carrier Billing

• Payment Gateway on behalf of two operators. Roles As Software Development Team Leader. Participate in requirement analysis, design and management. Participate in implementation, code review and acceptance test
• As Software Development Team Leader. Participate in requirement analysis, design and management. Participate in implementation, code review and acceptance test. Responsibility of the application and its monitoring under the team leader duties. Participate in task allocation and design decision. Ensure the progress and delivery deadlines.Maintaining and further implementation of the above application and a number of utility services, legacy as well as new. For example, SMS router, Age verification service, Operator detection, MSISDN lookup, operator and customer campaign, subscriber limit and blacklist, bulk SMS, bulk HTTP payment requests, email to SMS. Lead handover processes to my team for legacy systems. Manage tens of small integration projects caused by change to country or operator regulations and operator API upgrades to all affected systems.

• Payment Gateway on behalf of two operators: Starhub Singapore and 3Huch Hong Kong.
• As Software Development Team Leader. Participate in requirement analysis, design and management. Participate in implementation, code review and acceptance test. Responsibility of the application and its monitoring under the team leader duties. Participate in task allocation and design decision. Ensure the progress and delivery deadlines.

• system, customer, operator and service configuration management system for the Payment Gateway and its different components. Easy way of dynamic customer provisioning. Web application with user management system connecting to LDAP via CAS system and sticky sessions in a cluster environment. Change auditing and versioning with ability to validate, approve, apply, test and rollback.
• Requirement analysis, design and management. Communication bridge between the team and the other stakeholder. Participate in implementation and code review and acceptance test. Responsibility of the application and its monitoring under the team leader duties. Participate in task allocation and design decision.
• Ensure the progress and delivery deadlines.

Payment Gateway for the largest operator in Japan to serve overseas on the top market players, e.g., Facebook, Sony, Spotify and Samsung.

• Technical Project Manger and Product Developer, e.g.:
• Docomo API analysis
• Planning and cost estimation
• Design the integration solution
• Discussions with partners in Japan and USA and internal stakeholders
• Architecture documentation
• Tickets creation and task allocation
• Software Development Team Leader

• A connector between different Customer Care Tools towards and the Payment Gateway for different kind of markets. Customer care users as well as end users can manage the payment transactions and subscriptions, e.g., list, refund and stop subscription. It allows different customer care tools to access more than 40 different databases of different applications. The broker is configurable by the configuration manager where new data sources and applications can be integrated by configuration only. The customer care tools can be internal and external. The broker has also a REST API where outside partner systems can
  access the data.
• Requirement analysis, design and management. Communication bridge between the team and the other stakeholder. Code review and acceptance test. Responsibility of the application and its monitoring under team leader duties. Participate in task allocation and design decision. Ensure the progress and delivery deadlines.

• Encapsulation of the end user (mobile subscriber) interactions from the payment transaction processing. Responsible for the
  redirections, rendering payment pages and triggering payment transaction processing in the underlying backend systems of the Payment Gateway. User management, identification, authentication as well as operator identification.
• Requirement analysis, design and management. Communication bridge between the team and the other stakeholder. Participate in implementation, code review and acceptance test. Responsibility of the application and its monitoring under the team leader duties. Participate in task allocation and design decision.
• Ensure the progress and delivery deadlines.

• Automatic subscription charge manager on behalf of the Payment Gateway customers. The service is configurable dynamically using the Configuration manager.
• Requirement analysis, design and management. Communication bridge between the team and the other stakeholder. Implementation of the application structure and the architecture.
• Participate in the application implementation and code review within the team. Creating Jira tickets and participation in the design decisions and task allocation. Ensure the progress and delivery deadlines.

• Reception of payment notifications as Fire-And-Forget, saving them to the database of file system, sending them to the internal and external destinations (customers), and applying retries in
  case of failures. The application is configured by the configuration manager.
• Requirement analysis, design and management. Communication bridge between the team and the other stakeholder. Implementation of the application structure and the architecture.
• Implementation of the first production version. Participate in the further implementations and code reviews. Creating Jira tickets and participation in the design decisions and task allocation.
• Ensure the progress and delivery deadlines.

Summary:

Previously was called kanzaloo. A web based application for mobile payments. It includes also a subscription manager, a configuration manager and a transaction tracker.

Roles:

Requirement analysis, design and implementation. Writing documentation and perform training. Scrum master. Create Jira tickets, task allocation, solution discussion and participation
in design decision.

Summary:

Project control and time management system for overseas industrial company Bombardier in Germany, Switzerland and Italy.

Roles:

as Software engineer and developer: analysis, design and implementation.

Summary:

Web application for BI reporting dashboard with data analysis functionality.

Roles:

As software architect and developer: analysis, design and implementation.

Summary:

Web application accessed by personal of police department, city regulatory authority and train and bus drivers to register violence events.

Roles:

As software architect and developer: Design and implementation