Bioinformatics Engineer - Oncology & Hematology (H/F)

About SeqOne

SeqOne develops next-generation genomics software that turns complex sequencing data into clear, actionable insights for clinicians and researchers. Our platforms power high-impact applications in oncology and rare disease, with a strong focus on robustness, reproducibility, and speed. We are building a world-class team in Montpellier (FR), Paris (FR), and Cambridge (UK).

Why SeqOne?

• Direct Impact: Your contributions will enhance customer experience and shape the evolution of our genomic products.
• Stimulating Environment: Passionate team, innovative projects, and a culture of transparency.
• Flexibility: Remote work options, flexible hours, and competitive benefits.
• Growth Opportunities: Internal career development, continuous training, and participation in scientific conferences.
• Soft Skills: "Unstoppable Positivity" (resilience and solution-first mindset) and "Open Heart, Hands-On" (kindness combined with direct feedback).

As a Bioinformatics Engineer, you will design, build, and operate production-
grade bioinformatics applications and pipelines. You will partner with research and product teams to translate scientific needs into reliable software, lead code quality efforts (reviews, testing, CI/CD) and help the team adopt best practices so that complex analyses become routine, reproducible and scalable.

• Design and develop tools and pipelines for complex biological data.
• Maintain and improve existing applications while troubleshooting and resolving user issues.
• Optimize performance and reliability, ensuring reproducible and robust results.
• Collaborate closely with scientific teams and contribute to publications and presentations.
• Lead code reviews, enforce coding standards and secure practices.
• Track new methods/technologies and integrate them when relevant.
• Share knowledge through documentation creation, training and guidance for both users and teammates.

• We are seeking candidates with a Master’s degree (Bac+5) in Bioinformatics, CS or a related field and at least 2 years of experience in bioinformatics development.
• Strong proficiency in Python, UNIX/Linux, and Bash is required.
• Experience with Workflow managers (Snakemake, Nextflow).
• Familiarity with Git (branching, PRs, code reviews) as well as Docker for creating reproducible environnements is essential.
• Candidates should demonstrate clear communication skills, the ability to effectively in a team, autonomy in managing tasks and strong analytical problem-solving abilities.

Nice to have

• A PhD or equivalent research experience is a plus.
• Experience with CI/CD pipelines (GitLab CI, GitHub Actions) is advantageous.
• Knowledge of environment managers such as pyenv, poetry or virtual environments, as well as experience with HPC or Cloud (SLURM, AWS/GCP/Azure) is a strong asset.
• Proficiency in additional programming languages sur as R, Perl, Groovy, Nim or Rust is welcomed.

Bases in Montpellier / Paris or Cambridge
Fixed salary, bonus, free health insurance
This position offers flexible working arrangements, including hybrid, on-site, or full remote options

Apply even if you don't think you meet all the qualifications—we may have another opening very soon!