Thomas Grevenkamp-Senior .NET / Cloud Engineer
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Experience
Senior .NET / Cloud Engineer
Freelance
Building an observability and alerting solution for Business Central Job Queue monitoring
- Built a central monitoring solution to track the Business Central Job Queue in a multi-organization environment in Azure DevOps
- Integrated Azure Application Insights and Log Analytics for structured collection and analysis of job runtimes and error events
- Developed KQL queries for targeted analysis of failed jobs and detection of error patterns
- Connected Grafana and Power BI to visualize operational metrics and job status in real time
- Implemented an automated alerting workflow with Power Automate – when a job fails, a notification email is sent immediately
- Ensured transparency about the state of productive background processes during live operations
Result: Full transparency over failed Business Central jobs · Clear reduction in response time through automated email alerting · Stable foundation for proactive operation of productive background processes
Technologies: Azure DevOps | Application Insights | Log Analytics | KQL | Grafana | Power Automate | Power BI | Business Central | Azure Monitor
Senior .NET / Cloud Engineer
Freelance
Migration and modernization of an invoicing system for e-mobility to Microsoft Dynamics 365 Business Central
- Migrated a business-critical Navision solution to Microsoft Dynamics 365 Business Central
- Technically advanced a productive invoicing system in the e-mobility environment
- Developed and extended integration interfaces for eRoaming partners (OCPI, OICP)
- Analyzed and optimized data-heavy billing processes in SQL Server
- Ensured performance, stability, and integration capability during live operation
- Result: Successful migration without business interruption, significant performance improvement through SQL optimization
- Technologies: Business Central (AL), Navision (C/AL), C#, .NET Framework, SQL Server, Azure, Azure DevOps, Azure SQL, Typescript, AWS, EC2, REST, JSON, XML, OCPI, OICP
Senior .NET / Cloud Engineer
Freelance
Cloud migration and modernization of .NET applications into an AWS multi-account architecture
- Migrated existing .NET applications into a scalable AWS target architecture (multi-account / multi-environment)
- Built containerized services with Docker
- Introduced Infrastructure as Code with Terraform
- Developed REST-based and serverless components (AWS Lambda, SQS, SNS)
- Built modern CI/CD pipelines and deployment processes via Azure DevOps
- Result: Modernized cloud architecture, improved maintainability, and automated deployment
- Technologies: C#, .NET Core, .NET Framework, SQL Server, Azure DevOps, DynamoDB, Docker, Terraform, Entity Framework Core, Typescript, REST, AWS, EC2, Lambda, SQS, SNS, SES
Senior .NET / Cloud Engineer
Freelance
Design and build of an invoicing system for e-mobility based on Microsoft Dynamics Navision
- Designed and further developed a productive invoicing system for charging infrastructure
- Implemented reliable interfaces to eRoaming partners (OCPI, OICP)
- Optimized data-heavy SQL processes and stored procedures
- Worked closely with the business team and IT management
- Result: Successful setup of a productive system, high availability despite growing data volumes
- Technologies: Navision (C/AL), C#, ASP.NET, .NET Framework, .NET Core, SQL Server, Azure SQL, Azure, Azure DevOps, Typescript, REST, JSON, XML, OCPI, OICP
Senior .NET / Cloud Engineer & Technical Lead
Freelance
Technical responsibility for backend, data architecture, and operation of a productive SmartHome system
- Optimized performance, stability, and database processes during live operation
- Built and improved a data warehouse based on SQL Server (SSIS, SSAS)
- Technical coordination between development, operations, and the client
- Migrated core system components to Microsoft Azure
- Result: Successful Azure migration, consolidated data warehouse, sustainable performance optimization
- Technologies: C#, ASP.NET MVC, .NET Framework, .NET Core, SQL Server, SSIS, SSAS, Azure, Azure DevOps, Angular
Industry Experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology and Utilities.
Business Area Experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Product Development, Business Intelligence, and Operations.
Summary
Senior .NET / Cloud Engineer with many years of experience in developing, modernizing, and stabilizing business-critical applications. Focus on backend, cloud, and integration solutions in productive enterprise environments. Solid experience in the technical improvement of existing systems, in migrations, and in performance optimization of applications and databases.
Skills
- .Net / C#
- Asp.Net Core
- .Net Core
- .Net Framework
- Entity Framework Core
- Azure
- Azure Devops
- Azure Sql
- Aws
- Aws Lambda / Ec2 / Sqs / Sns
- Sql Server
- Postgresql
- Dynamodb
- Performance Tuning
- Database Optimization
- Docker
- Terraform
- Ci/Cd Pipelines
- Infrastructure As Code
- Containerization
- Rest Apis
- Json / Xml
- Ocpi / Oicp
- Api Integration
- Microservices
- Typescript
- Business Central (Al)
- Navision (C/Al)
- Erp Migration
- Cloud Migration
- Ai-Assisted Development
Languages
Statistics
Experience
Global Experience
Expertise
Profile
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Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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