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Daniel Lundin

PROFILE

Daniel Lundin

Over three months, contributed to the nf-core/mag and nf-core/configs repositories by developing and optimizing bioinformatics pipelines using Nextflow and Groovy. Delivered a robust BBNorm module with dynamic memory allocation, conda environment integration, and standardized containerization, improving reproducibility and stability across workflows. Enhanced preprocessing quality control by unifying parameter logic and ensuring consistent QC execution during host removal, while updating schema definitions for better validation. Addressed resource allocation edge cases in nf-core/configs, refining configuration management for scheduler reliability. Applied project-wide code formatting with Prettier, supporting maintainability and reducing diffs. Work emphasized pipeline optimization, testing, and documentation throughout development.

Overall Statistics

Feature vs Bugs

67%Features

Repository Contributions

17Total
Bugs
2
Commits
17
Features
4
Lines of code
1,039
Activity Months3

Your Network

108 people

Shared Repositories

108

Work History

August 2025

6 Commits • 2 Features

Aug 1, 2025

August 2025 delivered a robust BBNorm deployment for nf-core/mag, focusing on memory optimization, environment management, and test scaffolding, along with project-wide code formatting improvements. The work enhanced reproducibility, stability, and performance across pipelines (nf-core/mag and nf-core/bbmap) and aligns with containerization and conda best practices.

June 2025

10 Commits • 2 Features

Jun 1, 2025

June 2025 monthly summary for nf-core/mag: Delivered improvements to QC skip workflow, ensured consistent preprocessing QC during host removal, and updated parameter metadata for better validation. The work strengthens data quality, reproducibility, and pipeline reliability across the project.

December 2024

1 Commits

Dec 1, 2024

December 2024 monthly summary for nf-core/configs focusing on stability in resource allocation for the dardel profile. Delivered a precise bug fix that ensures exact-limit resource requests are treated as within the shared partition by changing the comparison operator from < to <= in the pdc_kth.config. This targeted change reduces boundary-match rejections and improves scheduler reliability for high-demand runs.

Activity

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Quality Metrics

Correctness87.0%
Maintainability89.4%
Architecture84.8%
Performance81.2%
AI Usage20.0%

Skills & Technologies

Programming Languages

GroovyJSONMarkdownN/ANextflowNfYAML

Technical Skills

BioinformaticsBioinformatics Pipeline DevelopmentCode FormattingConfiguration ManagementContainerizationData PreprocessingDevOpsDocumentationModule DevelopmentNextflowNextflow ScriptingPipeline DevelopmentPipeline OptimizationSchema DefinitionTesting

Repositories Contributed To

2 repos

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

nf-core/mag

Jun 2025 Aug 2025
2 Months active

Languages Used

GroovyJSONMarkdownN/ANextflowNfYAML

Technical Skills

BioinformaticsBioinformatics Pipeline DevelopmentConfiguration ManagementData PreprocessingDocumentationNextflow

nf-core/configs

Dec 2024 Dec 2024
1 Month active

Languages Used

Groovy

Technical Skills

Configuration Management