Python Developer (Bioinformatics)

Holisticon Connect is a division within NEXER GROUP - a custom software development company. We started in Poland in 2017 and are now a team of over 140 people with offices in Wrocław, Warsaw, and Cracow. We have the opportunity to work with world-renowned brands from Scandinavia, the UK, and Western Europe. Our goal is to grow stronger, in competence rather than in numbers. If you like what we do, check out our offer, maybe we will have the pleasure of meeting you! 😊  

We are looking for  an experienced Python Developer to join our innovative biomedical team, which is driving precision oncology research through cutting-edge data science. You will work independently, yet with guidance from experienced colleagues, to build and maintain scalable bioinformatics pipelines and applications for next-generation sequencing (NGS) data analysis, machine learning–driven insights and statistical modelling. All of this work is focused on uncovering biomarkers and improving cancer treatment decisions. A can-do attitude, scientific curiosity and availability to start immediately are major pluses!

Responsibilities

• Develop, test, and maintain backend services in Python and Django for genomics and bioinformatics pipelines (NGS).
• Build and optimize scalable solutions on AWS (EC2, S3) and HPC environments using BDS and Bash.
• Automate complex data-processing workflows, ensuring high performance across tens of thousands of CPUs.
• Implement and validate data analysis tools and pipelines with Pytest, SQL, and PostgreSQL.
• Integrate RESTful APIs and manage data storage and retrieval.
• Collaborate on frontend features using React, TypeScript, and JSON Schema forms (RJSF), with Playwright for end-to-end testing.
• Contribute to CI/CD pipelines via GitHub Actions and maintain version control with Git.

We offer a choice of employment form: B2B or Employment Contract 

• UoP: 14 000 – 16 000 PLN gross/month
• B2B: 100 – 130 PLN net/hour + VAT

You might be the perfect match if you are/have:

• A degree in Bioinformatics, Computer Science, Engineering, or a related field;
• 4+ years of professional experience as a Python Developer, ideally in bioinformatics, genomics, or medical projects;
• Solid skills in Django, SQL databases, and writing performant Bash scripts;
• Familiarity with CI/CD practices (pref. GitHub Actions) and automated testing (pref. Pytest, Playwright);
• Fluent in English, with the ability to work in an international team;
• Located in Poland to facilitate occasional team meetings.

Moreover, we appreciate skills in these areas:

• Frontend experience with JavaScript/TypeScript and React;
• Proven ability to deploy and manage workloads on AWS and/or HPC clusters;
• Experience working with NGS data analysis and related bioinformatics tools;
• Understanding of machine learning and statistical analysis in bioinformatics;
• Hands-on exposure to drug discovery workflows.

By joining us, you gain the following: 

• Opportunity to work on exciting, international projects in cutting-edge industries like Automotive, Biotech, IoT; 
• Possibility to develop in cloud technologies;
• Becoming part of a team that believes that the next step to a promising future is to put your heart into it and make it happen; 
• Respect for your private life so you don't have to work overtime or on weekends; 
• Team Events budget to socialize outside of work; 
• Company Events to celebrate smaller and bigger successes (Summer Party, Programmer's Day, and trips abroad – so far we've been in Cape Town, Are, and Barcelona). 

Perks and benefits: 

• Fully remote work or in our office in Wrocław, Warsaw or Cracow; 
• Free benefits such as Luxmed, Multisport, and life insurance in Nationale Nederlanden; 
• Attractive referral system (9,5k for senior, 6k for mid, 2,5k for junior); 
• Personal Training Budget with additional paid hours; 
• Passion Day - an extra day off for your hobby to spend as you please; 
• Flexible working hours with no micro-management approach. Our core hours are 9-15, the rest of the working time is up to you; 
• We provide high-quality work equipment + 2 additional monitors and accessories. 

If you apply for this position and match our expectations, then: 

1) You will be invited to an HR Screening with our IT Recruiter. 

2) You will be given a coding task to complete at home.

3) You will meet with a client. 

Submit your application online in one easy step! Apply now!