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Andreas Hammerbeck

PROFILE

Andreas Hammerbeck

Andreas developed and enhanced core backend features for the Altinn/altinn-correspondence repository, focusing on secure, scalable API workflows and robust deployment automation. He implemented authentication and authorization improvements, refactored legacy data models, and introduced Redis caching to boost performance. Using C#, .NET, and Azure, Andreas streamlined CI/CD pipelines, automated error handling with Slack notifications, and improved API documentation with Swagger. His work included asynchronous event processing, database indexing, and infrastructure as code, resulting in more reliable deployments and clearer API contracts. Andreas’s contributions addressed both technical debt and new requirements, demonstrating depth in backend engineering and cloud-native development practices.

Overall Statistics

Feature vs Bugs

84%Features

Repository Contributions

67Total
Bugs
5
Commits
67
Features
27
Lines of code
5,750
Activity Months6

Work History

April 2025

1 Commits • 1 Features

Apr 1, 2025

April 2025 monthly summary for Altinn/altinn-correspondence: Implemented and deployed the Azure Contributor Access Module to grant contributor permissions in Azure, with fetchEventGridIpsScript now explicitly dependent on this module to ensure correct deployment order. This change strengthens security controls and stabilizes deployment sequencing for Azure-related components. A environment-related fix was applied (commit a064ae60c90a773d922c068138614f21084c1a20, 'Fix/at environments (#885)').

March 2025

12 Commits • 8 Features

Mar 1, 2025

March 2025 performance highlights across Altinn repositories, focusing on reliability, security, and developer experience. Key outcomes include centralized purge logic with async enhancements, proactive failure alerts, API contract improvements, deployment hardening, and a release to mark the new capabilities. Dialogporten integration improvements also enhanced event tracking and observability.

February 2025

11 Commits • 7 Features

Feb 1, 2025

February 2025 monthly summary: Delivered cross-repo improvements across Altinn correspondence, broker, and studio that enhance data fidelity, automation, and developer experience. Focused on business value through reliability, API clarity, and performance, enabling more trustworthy correspondence workflows and faster integration cycles.

January 2025

13 Commits • 4 Features

Jan 1, 2025

Monthly summary for 2025-01: Altinn/altinn-correspondence delivered a set of user-facing enhancements and robustness improvements across the core correspondence flow, yielding clearer messaging, more scalable legacy support, and stronger security.

December 2024

8 Commits • 4 Features

Dec 1, 2024

December 2024 monthly summary focusing on key accomplishments and business value across Altinn correspondence and broker repositories. Key outcomes include multi-environment deployment enhancements and improved deployment reliability for Altinn Correspondence API and Maskinporten integration, API semantics clarification, API data integrity improvements, performance/scalability gains via Redis caching, and a robust, asynchronous event processing approach in the broker. Overall impact: Reduced deployment friction, clearer API contracts, higher reliability and performance, and a more scalable, event-driven architecture that supports growing load and diverse environments.

November 2024

22 Commits • 3 Features

Nov 1, 2024

November 2024 Monthly Summary: Altinn development focused on strengthening security and data quality for legacy correspondence APIs, improving user experience for read-status, and stabilizing CI/CD pipelines for reliable deployments. The team delivered significant security hardening and data-model enhancements across the Altinn Correspondence API, plus reliability improvements in CI/CD workflows and deployment sequencing in the broker project. This work reduces risk, speeds time-to-value for customers, and enables more accurate reporting and decision-making for end users and partners.

Activity

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Quality Metrics

Correctness86.4%
Maintainability86.4%
Architecture84.0%
Performance78.8%
AI Usage21.2%

Skills & Technologies

Programming Languages

BashBicepC#JSONJavaJavaScriptSQLTextTypeScriptYAML

Technical Skills

.NET.NETAPI DevelopmentAPI IntegrationAPI SecurityAPI TestingAsynchronous ProgrammingAuthenticationAuthentication and AuthorizationAuthorizationAzureBackend DevelopmentC#CI/CDCaching

Repositories Contributed To

3 repos

Overview of all repositories you've contributed to across your timeline

Altinn/altinn-correspondence

Nov 2024 Apr 2025
6 Months active

Languages Used

C#JSONJavaJavaScriptYAMLBicepbicepcs

Technical Skills

.NETAPI DevelopmentAPI IntegrationAPI SecurityAPI TestingAuthentication

Altinn/altinn-broker

Nov 2024 Mar 2025
4 Months active

Languages Used

YAMLC#SQL

Technical Skills

CI/CDGitHub ActionsBackend DevelopmentEvent-Driven ArchitectureHangfireMiddleware Implementation

Altinn/altinn-studio

Feb 2025 Feb 2025
1 Month active

Languages Used

TypeScript

Technical Skills

Frontend Development

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