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Gaith2000korchid/README.md

Gaith Korchid

Bioinformatics engineer · Biomedical data science · Scientific Python & R

I am a graduate of École d’Ingénieur Denis Diderot, Université Paris Cité, specialising in bioinformatics. I work at the intersection of biological data, quantitative methods and scientific software.

My research experience includes proteomic and clinical biomarker modelling at Brain&Mind, quantitative muscle MRI at Institut de Myologie, and genomics at Paris Brain Institute. The public projects below are separate portfolio studies: they document methods, contributions, results and reproducibility.

Selected projects

A Snakemake workflow comparing matched Illumina and Nanopore yeast reads, from QC and alignment to filtered SNP comparison and targeted discordance review.

  • Evidence: recorded real-data results, source fingerprints, unit tests and synthetic integration CI.
  • Finding: comparison eligibility changes markedly with ONT base-quality thresholds; filtering explains selected discordances.
  • Tools: Python, Snakemake, BWA, minimap2, samtools, bcftools.
  • Scope: exploratory ONT calling without an independent truth set.

A public-data modelling study with training-only preprocessing, nested group-aware validation, a dummy baseline and four sensitivity analyses.

  • Evidence: out-of-fold predictions, tests, reproducible figures and a documented complete refit.
  • Finding: modest primary discrimination and substantial inflation when current diagnostic variables are included. Numerical refit differences are documented.
  • Tools: Python, scikit-learn, XGBoost, pandas, uv.
  • Scope: internal methodological evaluation; no external clinical validation.

A CLI joining PROSITE, UniProtKB, PDB and SIFTS to inspect domain coverage and structural annotations.

  • Evidence: dated source fingerprints, offline replay and tests under Python 3.10 and 3.12.
  • Finding: an empty primary PROSITE PDB field does not mean structures are absent; identifier overlap needs residue-range checks.
  • Tools: Python, Biopython, biological APIs.
  • Scope: annotation and coordinate analysis, without docking or affinity prediction.

Additional projects

Project What it demonstrates
Viral genome comparator R Tested R package; a frozen 29-genome panel; alignment, identity/coverage, conservation and exploratory taxonomy analysis.
De Bruijn genome assembler Attributed educational implementation; Python generators, weighted graphs, regression tests, Docker and FASTQ-to-FASTA CI.

For genomics and R roles, start with Yeast WGS and Viral Genome Comparator. For Python development, the assembler provides complementary algorithmic evidence.

Skills and interests

Demonstrated in these repositories: scientific Python and R, biological data processing, graph algorithms, predictive-model evaluation, workflow automation, testing, GitHub Actions, dependency management and execution provenance.

Broader training and experience: SQL, biomedical statistics, quantitative imaging and data platforms. I am also developing a data-engineering direction; the repositories above primarily demonstrate scientific computing and biological analysis.

I am interested in bioinformatics, biomedical data science, scientific software, research engineering and relevant R&D opportunities.

Contact

LinkedIn · Email

Pinned Loading

  1. biopython-mpro-atlas biopython-mpro-atlas Public

    Reproducible analysis linking the coronavirus M-pro PROSITE profile to UniProtKB and experimental PDB structures

    Python

  2. reproducible-cervical-biopsy-modeling reproducible-cervical-biopsy-modeling Public

    Leakage-aware cervical biopsy prediction with nested group-aware cross-validation.

    Python

  3. yeast-wgs-comparison yeast-wgs-comparison Public

    Reproducible Snakemake workflow comparing Illumina and Nanopore whole-genome sequencing of Saccharomyces cerevisiae: read QC, alignment, variant calling and cross-platform concordance.

    Python