? Provided consultations regarding long and short-range product features
? Prepared technical proposals in accordance with customer business requirements
? Prototyped different functionalities using Java/Kotlin with Spring Boot or TypeScript with Express/Node.js on AWS
? Collaborated closely with highly competent teams to analyze the trade-offs associated with every solution and determine the best possible solution
? Documented high level technical designs using UML, www.miro.com, www.lucidchart.com

• Participated in the design and implementation of new Microservices as part of the user subscription activation flow, usingSpring Boot, Spring WebFlux, Java 8/11, MongoDB, Kong API Gateway
• Initiated many improvements to the performance, scalability and observability of the team's owned Microservices
• Participated in the architecture of complex components for asynchronous message processing using CloudAMQP, ActiveMQ AWS SNS/SQS and Azure Event Hubs
• Developed a common security module on top of OpenID Connect with JWT identity tokens which was integrated into someproduction components
• Worked on daily bases with DataDog for service monitoring, logs examination, setting alarms and checking metrics

• Contributed to the client side development of TradeNet and RM Plus financial data feeds
• Took part in the solution design and implementation of the advisory client info project
• Introduced important improvements to the Portfolio Advisory & Management application
• Developed features with Angular, Java, Spring Boot and Oracle RDBMS

• Architected and developed new Microservices using Spring Boot, AWS Lambda or Node.js
• Implemented functionalities in Java 11, Go or JavaScript
• Automated infrastructure changes via Terraform
• Supported and improved the CI build and deployment pipelines of the new Microservices
• Worked with variety of API monitoring and performance testing tools
• Code reviews and peer programming on daily basis

• Led a small team of Full Stack engineers in developing a portfolio management platform
• Requirements gathering and definition of the architectural drivers
• Designed the platform architecture using the Attribute-Driven Design Method
• Transforming business context into development tasks
• Enforcing standards for code quality via static analysis tools and regular code reviews
• Writing code in Java 8 / TypeScript ES6 using Spring Boot on the backend and Angular 6 on the frontend side
• Setup of the AWS based integration, UAT and production environments
• Implemented CI/CD pipelines using CloudBees, Docker, DockerHub, Terraform

• Developed a customer on-boarding module with integrations to a bank document dispatching system, video identification provider and data analytical engine
• Consulted the development team of https://www.solidvest.de/ for the Prive API integration
• Contributed to Prive's SOAP API by working on bug-fixes, documentation and integration testing
• Migrated business logic from the monolith app to the Microservices capability model
• Programming in Java 6 using Spring Framework on the backend and GWT on the frontend side

• Worked on new features of the Oviva Coaching Suite:
• Data Anonymization Module ? extraction, anonymization and backup of the non-active client data
• Dietitian Event Scheduling Module ? booking a medical consultation with a dietitian
• Document Search Module ? content management and document indexing
• Invoicing Module ? generation of the PDF invoices

• Programming in JavaScript and TypeScript ES5 using jQuery and Angular on the frontend side
• Implemented business functionalities in Java 6 using JBoss RESTEasy, J2EE, Hibernate, JBoss on the backend side
• Unit and Functional testing of the business logic

• Delivered the technical specification and architecture of an event scheduling system
• Gave a demo of how the legacy back office system could work with the Angular component framework
• Created nice process flow, component and deployment diagrams using Visual Paradigm for UML

• Refactored the application into smaller modules and introduced CI/CD practices
• Integrated a credit card payment API for monthly installments
• Writing high quality code in Java 6 using Spring Framework, Hibernate, Oracle RDBMS, Maven
• Interviewing new job candidates

• Created a new development infrastructure according to the best DevOps practices
• Led a small team of 5 engineers in developing several enterprise-scale applications using AngularJS, HTML, CSS, Spring Boot,Oracle RDBMS
• Documentation - both technical and non-technical
• Defined and implemented new project features using Agile practices

• Participated in technical reviews and mentoring, in daily/weekly Scrum and internal software architecture meetups
• Actively participated in the implementation of the SSO functionality/security capabilities of the Anaconda platform's desktop client
• Programming and testing using NetBeans RCP, Spring Remoting, Spring DM, Apache Felix, Hazelcast, jBMP, Apache Jackrabbit, Maven
• Worked collaboratively with other developers of the Hestia team to develop, program and test solutions for the Anaconda platform

• Migrated the old database entity relationship model to the new Domain Driven design of the trading engine
• SQL tuning, store procedures and ETL
• Implemented business functionalities in Java using Spring, J2EE, Apache Mina, Swing/SwingX, JavaScript, FreeMarker, Web Services, MySQL, Ant, Maven

• Worked and liaised with a technology consultant on the integration of a C-based API for the German Stock Exchange
• Multi-platform development using C, DLL, Java (RMI, JNI, JNA), J2EE (EJB3, JMS, JAAS), Oracle AS, Ant
• Evaluated and recommended tools, technologies and processes for the implementation of the right solutions 

• SQL tuning, writing PL-SQL store procedures, ETL
• Created entity relationship models of database-driven applications
• Designed and implemented OLAP applications using star schema with fact and dimension tables