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Jonas Hagberg

PROFILE

Jonas Hagberg

Worked on the neicnordic/sensitive-data-archive and NBISweden/sda-cli repositories, delivering a production-ready v2 download API and supporting infrastructure. Built robust backend services in Go and Python, focusing on API design, integration, and cloud-native deployment using Docker, Kubernetes, and Helm. Enhanced data access performance, security, and reliability through features like GA4GH visa authentication, mTLS, and advanced benchmarking. Improved developer and operator experience with comprehensive documentation, CI/CD pipelines, and migration guidance. Strengthened observability and diagnostics by refining logging and health checks, while maintaining backward compatibility and enabling smoother user onboarding through clear API documentation and cross-service configuration management.

Overall Statistics

Feature vs Bugs

62%Features

Repository Contributions

114Total
Bugs
31
Commits
114
Features
50
Lines of code
26,896
Activity Months4

Work History

May 2026

5 Commits • 3 Features

May 1, 2026

May 2026 monthly summary for neicnordic/sensitive-data-archive focusing on delivering cross-service improvements, API clarity, and improved observability. Key outcomes include a global enablement of the downloadV2 service, updated API docs with migration guidance, and enhanced logging for visa signature verification failures. All work contributed to a smoother migration path for users, better operator diagnostics, and increased reliability with backward compatibility maintained across service and chart changes.

April 2026

32 Commits • 16 Features

Apr 1, 2026

April 2026 monthly summary for developer work across two repos: neicnordic/sensitive-data-archive and NBISweden/sda-cli. Focused on delivering a production-ready v2 download experience, strengthening readiness and health checks, migrating to new S3 transfer tooling, and expanding chart/config governance. The month produced concrete business value through faster local development, safer deployments, and more robust data transfer flows.

March 2026

41 Commits • 14 Features

Mar 1, 2026

March 2026 monthly summary (neicnordic/sensitive-data-archive): Delivered core data access improvements, stabilized reliability, advanced benchmarking, and security/config enhancements. Focused on business value by improving data availability, compliance, and operational robustness.

February 2026

36 Commits • 17 Features

Feb 1, 2026

February 2026 (2026-02) monthly summary for neicnordic/sensitive-data-archive: Delivered a robust v2 download API surface and strong service foundation, driving performance, reliability, and developer productivity. Key user value includes faster data access, improved security posture, and measurable throughput gains in benchmarks, backed by comprehensive integration tests and ADR/CI enhancements.

Activity

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Quality Metrics

Correctness97.0%
Maintainability89.4%
Architecture92.6%
Performance89.2%
AI Usage25.0%

Skills & Technologies

Programming Languages

GoMakefileMarkdownPythonShellYAMLbashgo

Technical Skills

API DevelopmentAPI DocumentationAPI designAPI developmentAPI integrationAWS SDKBackend DevelopmentBenchmarkingCI/CDChart DevelopmentChart ManagementCloud InfrastructureCloud storage managementConfiguration ManagementContainerization

Repositories Contributed To

2 repos

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

neicnordic/sensitive-data-archive

Feb 2026 May 2026
4 Months active

Languages Used

GoMarkdownPythonShellYAMLbashgoMakefile

Technical Skills

API DevelopmentAPI DocumentationAPI designAPI developmentAPI integrationBackend Development

NBISweden/sda-cli

Apr 2026 Apr 2026
1 Month active

Languages Used

Go

Technical Skills

API developmentAWS SDKCloud storage managementGoGo programmingIntegration testing