Kurt (Dipl. Ing. (fh)) Blumenschein-Backend / Microservice Developer, DevOps, Test Automation
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Experience
Backend / Microservice Developer, DevOps, Test Automation
RCA, Rail Cargo Austria AG
- Backend / Microservice Developer, DevOps, Test Automation
- ~100 Devs, ~10 Teams, per team: 1 PO, 1 Scrum Master, 1 UX, 1 Developer, 1 Tester
- .net core 8, 9, C#
- Microservices, Clean-Architecture, MediatR, CQRS
- GraphQL, REST, SDL
- Azure DevOps, CI / CD-pipelines, Azure-Service Bus, Rabbit-MQ, Kafka, Azure App Configuration, Azure KeyVault, Azure Kubernetes AKS
- Splunk, dashboards, custom metrics, Elastic-Search, Kibana (ELK)
- Azure SQL-Databases, Azure Cosmos DB
- Architecture decisions, event governance, COP (Backend, DevOps, FrontEnt, Test Automations)
- AI, Copilot, creating test templates
- Scheduler, Hangfire, Quartz
- Automated unit and integration tests
- Automated E2E tests, Playwright test automation, BDD, Gherkin, Cucumber
- Tracking of shipments
- GIS, GPS data, geofence, geo search, position tracking, asset positions
- Jira, Confluence
- Focus on high-performance message-oriented architecture (~xx million messages per month per service)
- Structured logging, Serilog, OTel, Splunk, Application Monitoring
- Integration of different position data sources (GPS-based data) into Azure Data Lake
Backend / Microservice Developer, DevOps
XXX GmbH
- Backend / Microservice Developer, DevOps
- ~100 Devs, ~10 Teams, per team: 1 PO, 1 Scrum Master, 1 UX, 5-15 Developers, 2 Testers
- Dealer portal for managing orders, purchasing parts and spare parts, and handling claims
- Containers, Kubernetes, AKS (Helm charts), Docker
- MS SQL-Server, Entity Framework
- Azure Entra ID, Keycloak, OpenID Connect, IAM
- Scheduler, Hangfire, Quartz
- Scrum, internationally distributed team
- C#, .Net Core 8, 9, Entity Framework, VS2022
- GraphQL, Hot Chocolate, Azure Service Bus, OPA, OPAL (Open Policy Agent), Quartz, Fluent, AutoBognus, Grafana (Loki, Jaeger)
- Azure DevOps, CI/CD pipelines, Azure Functions, Azure Event Hub, Azure Service Bus (MassTransit), Azure Feature Switch Management, Bicep
- Microservices, Clean Code architecture, CQRS, Fluent, MediatR, SOLID, design patterns
- CI, CD, testing strategy, unit tests, integration tests, XUnit, Substitute, WireMockServer
- SonarQube, SonarCloud
- SAP ERP, SAP CX
- Structured logging, Serilog, OTel, Grafana, application monitoring
Backend / Fullstack / Microservice Developer, DevOps
Bosch GmbH
- Backend / Fullstack / Microservice Developer, DevOps
- 9 Devs, 1 PO, 1 Scrum Master
- MES (manufacturing execution systems), NEXEED, OpCon, Product Setup Management, Packaging Control, ID Builder, Part Traceability, ERP Connectivity, Setup Specs
- Containers, Kubernetes, AKS, Rancher, Docker, Helm (intermediate), Terraform
- MS SQL Server, Oracle, MySQL, Entity Framework
- Keycloak, SSO, OpenID Connect, MFA, IAM
- SAP interface, S4-HANA, SAP OData endpoints
- SAP ABAP (basic), RAP
- SAP Fiori, Business Application Studio (basic)
- SAP UI5, JavaScript front end, proof of concept (basic)
- Scrum, internationally distributed team, MIRO
- SAFe, 4 ARTs, ~200 international developers
- C#, .Net Core 6, 7, 8, Entity Framework, VS2022
- RabbitMQ, AMQP, Messaging
- Refactoring, microservices, clean code architecture, CQRS, Fluent, MediatR, behaviors, SOLID, design patterns
- Workflow Foundation, coded activities, custom workflows
- WPF, WCF
- CI, CD, testing strategy: unit, integration, system, security, and performance tests (Locust, Python); BDD, behavior-driven development, Gherkin, Cucumber (code - ADO - link), Cypress (web application test framework), Selenium, Playwright test automation
- Release strategy (blue/green, canary)
- Azure DevOps, Git, NuGet, build and release pipelines, Azure Functions
- Azure App Service
- Arc42, AsciiDoc, AuthorIt
- SonarQube
- Fullstack (intermediate), Angular (HTML, CSS, TypeScript) (intermediate), MAUI (intermediate), Blazor (intermediate), NGRX
- Python (intermediate)
- Packaging process engine (process, subprocess, steps with parameters)
- Hardware communication (scanners, scales, printers)
- Performance optimizations and assurance (systematic performance tests integrated into CI using Locust)
- DSC (desired state configuration) management scripts (C#, PowerShell), MES/SAP info as a PowerShell plugin
- PowerShell, Azure Shell
- MS 365, OIDC, plugins, Microsoft Graph, user mail/calendar
- Structured logging, OTel, Application Insights, application monitoring
Backend / Microservice Developer
Kapsch
- Backend / Microservice Developer
- 3 Devs, 1 PO, 1 Scrum Master
- C#, .Net, .Net Core 5/6
- Microservices, backend development
- OData Endpoints
- CQRS command-query/request separation pattern
- IAM (Identity and Access Management) implementation
- Azure AD, Azure B2C, authentication & authorization, client credentials, On-Behalf-Of and B2C flows; Log Analytics, Application Insights
- Graph API
- Elastic (document indexing)
- RabbitMQ, ServiceBus
- Scheduler, Quartz
- Sitecore as frontend (basic)
- Docker, OpenShift, AKS (Azure Kubernetes Service)
- Automated tests
- IoC, DI, MediatR, GIT, VS2019, VS2022
Backend / Fullstack / Microservice Developer
Neusta Consulting
- Backend / Fullstack / Microservice Developer
- 8 Devs, 1 DevOps, 1 PO, 1 Tester, 1 Scrum Master
- C#, .Net, .Net Core 5/6, EF Core
- Containers, Kubernetes, AKS, Docker
- MS SQL Server
- Microservices, backend development
- GraphQL
- NServiceBus
- CQRS command-query/request separation pattern, API/Gateway/BFF (backend for frontend)
- IAM (Identity and Access Management) implementation
- Aurelia (JS) frontend (intermediate)
- Automated tests
- GIT, VS2022
Backend / Micro-Service Developer
Fa. Universal-Investment
- Backend / Micro-Service Developer
- 6 Devs, 0 DevOps, 1 PO, 2 Testers, 1 Scrum Master
- Microservices (Clean Architecture)
- Microsoft Dynamics 365 CRM, FetchXML
- Microsoft Power BI, Reporting, SSRS, Microsoft SharePoint
- Moq
- Application Insights
- Fluent Validation
- Azure, Service Bus, Cognitive Search
- Web API, REST, Swagger, Authentication / Authorization, OpenID, OData
- SimCorp Portfolio & Reporting REST API
- Credit / calculation computation, Marzipan API, effective interest rate calculation, liquidity costs, REST interface, token-based authorization
- Redis (Cache, Message Broker)
- C#, .Net Core
- Azure DevOps, build pipelines, CD / CD, Docker, Kubernetes, k9s, Terraform
- Unit tests
- Scrum, distributed, international team
Backend / Architect
Fa. Anton Paar
- Backend / Architect
- 2 Devs, 1 PO
- C#, .Net, .Net Core, Mono
- Refactoring of a monolithically structured application
- Hardware / OS Abstraction Layer
- Linux
- Bitbucket
- Container, Docker
- Embedded Linux
- Automated tests
- IoC, DI, Git, VS2019
CRM Developer
Fa. blocktec
- CRM Developer
- Salesforce, Lightning APEX, database, REST interface
- VB.NET Office automation, VBScript
- DSC (Desired State Configuration) management scripts (C#, PowerShell)
Backend / Micro-Service Developer
Fa. Bosch GmbH
- Backend / Micro-Service Developer
- 4 Devs, 1 DevOps, 1 PO, 1 Scrum Master
- MES (Manufacturing Execution Systems), NEXEED, OpCon
- Digital Twin, Product Twins
- Azure
- SAP interface
- Microservices
- Web API, REST, Swagger, Authentication / Authorization, OpenID, OData
- Scrum, international, distributed team
- MES solution, OpCon, NEXEED
- C#, .NET Core 2.0, 2.1, 2.2, VS2017, VS2019, TFS
- Docker, Kubernetes, containers
- PowerShell scripting
- Keycloak, OpenID Connect, OAuth 2.0, IdentityServer, Authentication, Authorization
- Entity Framework, EF Core
- MS SQL Server, SQLite, LiteDB, CouchDB
- Workflow Foundation, coded activities, custom workflows
- WPF
- Automated UI tests (Ranorex, Appium)
- Unit tests
- DevOps, TVFC, Git, NuGet, build and release pipeline
- SonarQube
- ALM (Jira, Confluence, TFS, Azure DevOps, Git)
Developer / Desktop Applications
Fa. HAWE
- Developer / Desktop Applications
- MahApps, WPF application
- MES
- VS2017, VS2019
- .NET 4.7.2
- SAP Connectivity
- MVVM, Prism
- Bartender
- Label creation
- OPC Siemens integration
- Web IO interface for machine control
- Entity Framework, SQL Server
- MES production data, traceability system
- ALM (Azure DevOps, Git)
Fullstack Developer / Desktop and backend applications
Fa. SKF
- Fullstack Developer / Desktop and backend applications
- 5 Devs, 1 PO
- C++ analysis and evaluation of measurement data, (laser) sensors, National Instruments DAQ devices, integration of measurement hardware.
- QT (5.x, 6.x), QT-Creator, QT-Designer, Squish
- QML / widgets UIs / MVVM, components, UI library
- REST interface, OATPP
- Boost
- JavaScript chart library (echarts)
- Databases (MySQL, SQLite), migrations
- Device communication with laser (serial, TCP/IP, UDP)
- Audio signal processing, FFT, Windows audio (WASAPI), resampling, filtering
- Messaging, MQTT
- Automated UI tests with Squish (BDD, Gherkin), Python
- Evaluation of sensor signals in frequency and time domain and visualization in the UI
- VS2017, 2019, 2022, SVN, GIT
- Replacement of an existing application
Developer / desktop applications
Fa. Singulus
- Developer / desktop applications
- C# / WPF
- Application for production optimization
- User management
- Licensing
- GIT
- .NET 4.6
Backend Developer / API integration
Fa. Lippert
- Backend developer / API integration
- C#
- Logistics
- Parcel service providers: DHL, DPD
- REST, SOAP
- Zebra printers
- .NET 4.6
- Automated tests (unit and integration tests
Developer / desktop and server applications
Fa. TecnoAlpin
- Developer / desktop and server applications
- C#
- GPS-referenced geodata
- Process control system
- WPF, MVVM, Infragistics
- MES, IoT
- PowerShell scripting
- Web API, Swagger
- .NET 4.7
- Azure SQL Database backend
- OPC Siemens integration
- ALM (TFS, Azure DevOps, Git)
Developer / test automation
Fa. lesswire Freiburg / Berlin
- Developer / test automation
- C++ / Qt 5 test application
- USB communication with hardware
- Test wizard
- XML data storage
Developer / Consultant
Fa. seca
- Developer / Consultant
- Middleware communication service (C#, VS2015, VS2017).
- Socket communication (TCP / IP)
- Automated tests
- Cloud (AWS)
- Penetration tests
Developer
Fa. Carl Zeiss Industrielle Messtechnik
- Developer
- WPF / C# application with MVVM (VS2015).
- Collect, analyze and process XML, text, and distributed log files from a defined network area.
Developer / Desktop and server applications
Fa. Dorotheum
- Developer / Desktop and server applications
- WPF application with MVVM and Telerik (C#, VS2015, VS2017).
- Web API, Swagger
- SQL Server / Oracle databases
- Web services
- ALM (Jira, Confluence, Git)
- Integration of a document management system (DMS) into a WPF interface, connection, full-text search, versioning, workflows.
- Implemented authorization concept in the application
- GIT, SVN, TFS
Developer / Project manager
xxxx
- Developer / project manager
- IoT, .NET Core application on Linux / Windows
- C#, code migration
- Web API, Swagger
- REST API
- Visual Studio Code, Visual Studio Team Services
- SCM, TFS and GIT workflow
- Angular, Bootstrap
Developer / desktop applications / REST services
Fa. DCCS
- Developer / desktop applications / REST services
- WPF application with MVVM and DevExpress (C#, VS2015).
- Generating Office documents for a document management system (DMS), connection, full-text search.
- COM integration and add-ins for Office (COM, COM+, VSTO)
- Workflow implementation.
- ServiceNow integration of workflows into an existing application.
- Web API, Swagger.
- SQL Server databases.
- Microservices
- MS Reporting.
- Native PDF and Excel reports
- Active Directory integration, user authentication
- .NET 4.5
Developer
Fa. Semonit
- Developer
- C / C++, Qt5, extensions and customizations for a web and client test framework.
- Cross-platform development for Windows / Linux
- Multithreading
- Network communication over TCP sockets
- Scripting (Perl)
- C / C++ unit tests (cfix and WinUnit)
- C# test automation
- VB.net automated printing of pre-made reports
- Java configuration & UI
Developer
Fa. SchneiderSoftware
- Developer
- C# communication project (Telnet, SSH, AIX)
- .NET 4.5 Win 7 and 10 clients (WinForms, WPF)
- Unit and integration tests
Developer
Fa. InSystems
- Developer
- MS SQL Server reporting, SQL, and RDL (Report Definition Language).
- MES (Manufacturing Execution System) extension for safety-critical components.
- C#, WinForms, WPF client extensions
- MFC C++ client extensions
Developer
Fa. Liebherr Haushaltsgeräte
- Developer
- WPF / C# / MVVM applications with SQL Server 2012 as backend.
- Active Directory integration, user authentication, profiles.
Developer
Fa. Liebherr Haushaltsgeräte
- Developer
- Database projects (SQL Server 2005, 2008, 2012 and Oracle), C#.NET, PL/SQL, T-SQL
- Automatic generation of SQL Server database schemas (C# and T-SQL) based on Oracle and SQL Server schemas
- Automatic generation of SQL Server stored procedures (C# and T-SQL)
- Test automation (C#)
- CRUD stored procedures (C# and T-SQL)
- SQL documentation (Redgate SQL Doc, Turtle)
Developer / Project Lead
Trotec
- Developer / Project Lead
- An international patent and a reference in another patent in the field of image processing with laser machines.
- Image processing project with C++ / C# / C++/CLI. Object detection and automatic cut path compensation.
- Geometry transformations, conversion of Bezier curves into circular arcs
- OpenCV / Emgu.NET, standard stack, adaptive threshold, Canny, Sobel, blurring, Hough transform, contour detection,
- Color space analysis and corrections.
- Raster algorithms (error diffusion and ordered dithering)
- Repair algorithms for "distorted" geometries.
- Installation packages (MSI, InstallShield, Nullsoft, WiX)
- Automated UI tests (Ranorex)
- Qt (4.x, 5.x)
Developer
BMW Engine Simulation & Diagnostics
- Developer
- Automotive, control units, diagnostics
- Test automation based on C / C++ / VB.NET, COM and LabVIEW, operating systems Windows XP and Windows 2000
- Automatic test environment for test cycles on diesel engine control units. Various sensors and actuators were driven directly or via COM servers using C/C++/C#. I implemented individual COM servers there and also wrote parts of the overall test automation. The COM servers are practically a simulation of a subsystem that would otherwise be difficult to integrate into the test setup. The goal was to test a software release of the engine control units in advance with relatively little effort.
Industry Experience
See where this freelancer has spent most of their professional time.
Experienced in Manufacturing, Information Technology, Automotive, Transportation, Banking and Finance, and Arts and Crafts.
Business Area Experience
See which departments and functions this freelancer has contributed to most.
Experienced in Product Development, Project Management, Information Technology, Quality Assurance, Customer Service, and Operations.
Skills
- 25 Years Of Experience In Software-Engineering / Devops
- 30 International Projects In Multilingual Teams
- 3 Microsoft Certifications
- 2 International Patents
- C# C++ .Net .Net Core Wpf Databases
- Microservices Azure Container Kubernetes Ci / Cd Agile
- Qt / Qml Test Automation Typescript Bdd Elastic Splunk
- Rest / Graphql Rabbitmq Servicebus Iam Odata Cqrs
- Daq Jira Audio Algorithm Architecture Openapi
- Docker Swagger Redis Openid / Oidc Oauth Confluence
- Apm Locust Entra / Identity
- Gps / Geo Ms Graph / Dynatrace
Languages
Certifications & licenses
Microsoft Certified: Azure Administrator Associate
Microsoft
Microsoft® Certified Technology Specialist: .NET Framework 3.5, Windows Presentation Foundation Applications
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