-Senior Fullstack Cloud Architect (ML)

• Definition of data flows
• Implementation of POCs
• Data stream implementation
• Configuration of bootloader and programming
• Troubleshooting and consulting
• Operation of services in Kubernetes (e.g. Postgres)
• Developing Platform as Code via GitLab pipelines
• RAC & Linux programming

Label: Openseach, U-Boot, GRUB, Secure Boot, Golang, Rust, Java, AWS CloudWatch, AWS API Gateway, GitHub Actions, OpenTelemetry, Perl, ARC42, Helm, ArgoCD, Cloudformation, Java, DevOps, Swagger, Linux, React, Jest, Mock, API, Golang, Fast-API, Python, Glue, Kinesis, graphql-mesh, Apollo, XSD, XML, Jenkins, AWS CDK, Spring, TypeScript, Microservices, Whitesource / Mend.io, New Relic, ARC42, gRPC, Concurrency, GraphQL, SQL-Developer, Oracle, PL/SQL, ETL, Batch, Databricks, Keycloak, Docker, DynamoDB, OpenAPI, Rest, Open API, Openshift, Akka, Springboot, String Cloud, Postgres, Tensorflow, IOT, Kafka, Oauth, Open ID Connect, Kubernetes, Terraform, Helm, Gitlab CI, Bitbucket, Docker, Microservices, Camunda, CD, CI, Agile, AWS, GCP, S3, Figma, PySpark.

• Development in the area of microservices
• Kubernetes / Azure operation
• IoT architecture definition and integration
• Messaging-based architecture model
• Leading the internal developer team
• Azure cluster operation
• Cash register programming
• Performance tuning / architecture optimization

Label: Openseach, SAP Anbindung, Rust, Container, Oracle, RAC, Java, C++, OpenTelemetry, DevOps, Swagger, Linux, Netbeans, GCC, Angular, Golang, JavaScript, TypeScript, GitHub, GitHub Workflows, FastApi, PySpark, Azure DevOps, SQL, Java, XSD, XML, Jenkins, Spring, MS SQL, Postgres, Microservices, Kafka, Oauth, Open ID Connect, Kubernetes, Terraform, Azure, CD, CI, Agile, Clean Code (Code quality), Wireframes, MQTT, AWS CloudWatch, AWS API Gateway, GitHub Actions, CoAP, Junit, Liquibase, SonarQube, Camunda.

• Implementation of a change management solution.
• CI / CD development.
• Security implementation with Cognito.
• Provisioning of data for search via Elasticsearch.
• Performance optimization of the multi-region cluster
• Moving reporting data into the Elasticsearch stack.
• Android development / driver & kernel development

Label: Rust, Golang, JEE, Linux, DevOps, Swagger, Netbeans, GCC, Jest, Mock, , Hibernate, Junit, Java, Angular, IOT, Clean Code, Continuous Integration, Elastic Search, Python, Azure, IOT, Micro Services, AWS (MQTT, Lambda, Dynamo), AWS, Docker, Kubernetes, NodeJS, Microservices, JWT, OAUTH2, ZUUL, Kafka, Python, SAP Hana, Clean Code (code quality).

• Gathering and validating requirements
• Defining the architecture
• Code review
• Defining interfaces
• Monitoring the implementation
• Performance analysis
• Openshift migrations
• Creation of the Enterprise Technical Architecture Document
• Expansion of the sample solutions
• AWS: setup of a CI cloud environment
• AWS: script for automatic setup / deployment
• AWS: architecture PoC for the cloud
• AWS: tuning of Linux instances
• AWS: load balancing tuning / development of a client library
• AWS: planning order generation PoC + implementation with a heuristic, due to the huge amount of data.
• AWS: forecasting of orders with MapReduce and forecasting the impact on stock levels.
• AWS: parallel simplex implementation with Java for production site assignment.
• AWS: PoC of an implementation of a Growing Neural Gas Network for evaluating logistics providers
• Android performance PoCs.
• Setup of Cloud Foundry infrastructure.
• Guidelines for "cloud-ready" apps.
• Rework of several applications to CF.

Label: C++, Perl, Python, Jest, Mock, DevOps, Swagger, Spring, Hibernate, Junit, Java, Oracle 12c, InMemory, Glassfish, Enterprise Service Bus, Maven, Gradle, Hibernate Criteria-API, Message Broker, Websphere, Unit Testing(JUnit), Scrum, Clean Code, Continuous Integration, Continuous Inspection.

• Development of an application for video streaming without interruptions when switching networks
• The UI was based on OpenGL 3D.

Label: C++, Android, Rest, JAX-RS, JAX-WS, JAXB, Spring, Networking, CAN Bus, Bluetooth, JEE, UML, XML, XSL, Unit Testing.

• Development of architecture components for UI / backend
• Based on WebSphere Application Server 6 and 8, the architecture of the car sharing provider CAR2GO was redefined and the architecture components were implemented from it.
• Cross-country validation framework. Configuration of input forms via database/cache and delivery of metadata to the UI via REST as well as for the JSF back office.
• The JavaScript UI was configured using metadata and jQuery validators were set automatically.
• Introduction of the REST architecture
• The architecture of the customer portal was optimized. JSF was replaced by a JavaScript/REST frontend.
• Porting from WAS 6 to WAS 8 / OSGI
• A feasibility study for the porting was carried out and implemented.
• Performance optimization
• General performance optimization was done in the project. Profiling / productive VM images
• Load test development and evaluation
• Automated load tests with JMeter were integrated into the test landscape.
• Database modeling / optimization
• The database was extended and optimized with SQL scripts.
• Batch processing
• Clean code reviews / pattern introduction
• Optimization of the test landscape, based on Mockito / Webdriver / Jenkins
• Security consulting / implementation
• A concept for bulk data processing was developed and implemented based on Java Messaging Service.
• Otherwise, work was done in Scrum mode on business requirements.

Label: C++, Spring, Hibernate, Junit, Java, Golang and Oracle.

• Symbian mobile application + JBoss portal In this project, a Symbian 9.X application was to be developed and integrated into an existing portal.
• Symbian development
• Selection of the suitable application architecture
• Integration of the application into the existing infrastructure, taking the context into account (portal, cluster environment)
• Documentation
• Test

Label: Symbian C++, Symbian Network Api, Symbian Webservices, JBossPortal, EJB3.0, Jboss Webservices.

• JBoss Seam development / portal development. The goal of the project is to develop a portal based on JBoss Seam and open source.

Label: C++, Java, Javascript, Jboss Seam, Flex, Spring, Jboss Application Server, EJB3.0, Richfaces, Java Server Faces, JSP, Java Script.

• The goal of the project is to develop an intranet system based on ECM and open source. The portal should include all key business applications for management / leadership (key figures, reports, analyses) as well as for employees (internal communication).
• Selection and consulting on CMS and ECM (open source)
• Installation and basic configuration of the system (login, permissions, single sign-on integration, integration and ensuring failover protection into the existing hardware (cluster), )
• Creation of the design, formats
• Integration of applications into the company portal
• Implementation of portlets
• Implementation of management for documents, audio and video files: development of folders/structure, upload/download function, search function

Label: JEE, Java, Javascript, JBossPortal, EJB3.0, Richfaces, LDAP, Oracle.

• The goal of the project is to replace a central call center for ordering consumables with an automatic phone-based ordering process. This mainly involves integrating an IVR (Interactive Voice Response Unit) with the monitoring/ticketing system. The application is managed and maintained through a web-based interface (browser: Internet Explorer 6). The application is integrated into a global ticketing system and is delivered from a data center to several locations via Citrix.

Label: Java, Javascript, JQuery HTML, Spring, Hibernate, JSON RPC, Webservices, Oracle, Apache Tomcat, Citrix, Internet Explorer 6.

• Development of a web-based solution for a sports betting provider, including admin interfaces, member management, and betting management. Concept, design, and implementation of the entire betting management software. Compliance with high security standards and implementation of real-time components.

Label: Java, Javascript, CSS, HTML, Flex / Flash, Seam EJB3.0 Jboss AS, Hibernate, Jaxb, Webservices UML

• The goal of the project was to model business processes. Code was to be generated from UML diagrams.
• My tasks were subproject management and the concept/design of the intranet company portal with Struts, Hibernate, UML, and Tomcat

Label: Java, Tomcat, Hibernate, Struts, UML, Oracle, PL/SQL, Webservices.