ML Software Engineer

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. 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 a

you will contribute to the d and of our internal ML tooling, helping early‑stage prototype workflows into scalable, compliant production solutions. Contribute to the widespread implementation of state-of-the art machine learning algorithms in modern medical research.

You will work on and existing ones, ,, , test coverage, and documentation. A key part of your responsibilities will also include ensuring that both the processes and the developed tooling meet all required compliance standards.

We offer a choice of employment form:

• B2B or Employment Contract

UoP: 15 000 – 18 000 PLN gross/month

B2B: 130 – 150 PLN net/hour + VAT

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

• Experience in building and applying (not limited to hosted LLMs) using frameworks such as .
• ML systems
• PyTorch, TensorFlow, or JAX
• Experience in developing for image data; comparable experience with other complex data types
• training data processing pipelines
• (e.g., ) will also be considered.
• proteomics

Practical understanding of the , including model training, validation, deployment, and quality monitoring.

• MLOps lifecycle

Excellent proficiency in .

• Python

Strong software engineering skills, including writing high‑performance, modern, and reliable code, supported by proper documentation, unit tests, and code quality best practices.

Moreover, we appreciate skills in these areas:

• Experience with , or .
• TypeScript, Node.js
• JavaScript
• Familiarity with experiment‑tracking platforms such as or .
• Weights & Biases
• MLflow
• Exposure to processing platforms such as
• Kubeflow.
• Background in computer vision, including experience with tools like
• OpenCV.
• Knowledge of cloud computing infrastructure, particularly
• AWS.
• Experience working in regulated environments and developing software under predefined regulatory requirements.

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;
• so you don't have to work overtime or on weekends;
• Respect for your private life
• 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 South Africa, Are, and Barcelona).

Perks and benefits:

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

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

• You will be invited for an to get to know your experience, expectations, and motivation;
• HR screening
• You will be invited for a to discuss your approach, problem-solving, and frontend expertise in more depth;
• technical interview (~60 minutes)
• Decision.