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Data Scientist (CX)

act digital Open · verified Oct 24, 2026
On-site Warsaw Mid-level Data Science

At a glance

Mid-level Data Science role at act digital. Warsaw.

Pay not stated Data Scientist salary

RoleData Science
SeniorityMid-level
LocationWarsaw
WorkplaceOn-site
PostedJul 30, 2025 · 1y ago
Role brief

dataroles summary, based on the employer's posting.

What you'll do

  • Build generative AI algorithms to improve how people interact with machines
  • Study large datasets for trends and findings tied to project goals
  • Train generative models and check their performance and reliability
  • Help move from standard language models to LLMs, using LoRA and QLoRA fine-tuning
  • Shape AI solutions for shipping and industrial settings, while tracking new open-source approaches

What you bring

  • At least five years in comparable roles, with hands-on generative AI model development
  • Strong Python skills, basic vanilla JavaScript, and command of NLP and its libraries
  • Experience with statistical analysis, machine learning, visualization, and large-scale data insights
  • A track record with open-source models such as Llama, plus English at B2+/C1 level

Who this fits

This role suits a mid-level data scientist who can collaborate across functions and turn analysis into business insights. The work is hybrid in Warsaw, under a B2B contract, with a long-term engagement planned for two years or more.

From the employer

Our mission as a company providing IT services is to provide our clients all over the world with the best solutions. We manage to do this by analyzing the needs of our clients and matching them to the skills and aspirations of our employees. Therefore, one of our main motivations is to provide each Employee and Consultant with a satisfying experience. Joining us means being part of a community with diverse personalities. Start your adventure with ALTER SOLUTIONS!

The project focuses on enhancing business processes through the use of artificial intelligence and advanced technologies. It enables intelligent data handling and supports automated decision-making. Built with modern, high-performance solutions, it ensures efficiency, security, and scalability.

Responsibilities

  • Design and implement advanced algorithms for generative AI models that enhance human-machine interaction within the specified industries.
  • Conduct in-depth analysis of large datasets to derive meaningful insights, trends, and patterns relevant to the joint venture's goals.
  • Develop and train generative AI models, ensuring their effectiveness and reliability through rigorous evaluation processes.
  • Collaborating with an elite team, learning and contributing to transitioning from conventional language models to cutting-edge Large Language Models (LLMs) and fine-tuning techniques such as LoRA and QLoRA.
  • Stay abreast of the latest advancements in AI and generative models (including open source), proposing and implementing innovative solutions to enhance the capabilities of our technology.
  • Acquire a deep understanding of the shipping and industrialized industries to tailor generative AI solutions that address specific challenges and opportunities within these sectors.
  • 5 + years of experience in similar positions;
  • Proven experience in developing and implementing generative AI models.
  • Proficient in programming languages such as Python and vanilla JavaScript (basic knowledge).
  • Strong background in statistical analysis, machine learning, and data visualization.
  • Excellent problem-solving skills and the ability to work in a collaborative, cross-functional environment.
  • Demonstrated expertise in handling large datasets and extracting actionable insights.
  • A proven track record working with open-source models, Llama, and AI/NLP across various domains.
  • Mastery of NLP and related libraries.
  • An understanding of business operations and a knack for crafting actionable business insights.
  • Proficiency in English language (B2+/C1 level).
  • Location: Hybrid in Warsaw;
  • Long-term cooperation (2+ years);
  • Type of contract: B2B;
  • Start: ASAP-1 month (05/2025).

What we offer:

  • Access to local and international projects - Clients from France, Germany, Portugal, UK and Benelux.
  • Professional development support -trainings, technical certificates, conference participation, foreign language classes and soft skills trainings are subsidized up to 2 000 PLN.
  • Bonus for recommending Candidates up to 10 000 PLN.
  • Fully paid Medicover healthcare card.
  • Wellbee platform access
  • Multisport card.
  • Regular integration events and gifts.
  • Mobility Program.
  • Long term cooperation.

If You applied for this position the Controller of your personal will be ACT DIGITAL POLSKA Sp. z o.o., with its registered office at Przyokopowa 31, 01-208 Warsaw. The personal data provided by you will be processed for the purpose of the recruitment process and for future recruitment processes. You will have the right too choose one or both options on next page.

You have the right to access the content of your data, request their rectification, erasure, restriction of processing, the right to data portability, the right to object to the processing of your data and the right to lodge a complaint to the President of the Personal Data Protection Office.

Opportunity

Data Science work from LinkedIn, X, Reddit and Upwork, in one list.

Each morning you get everything that fits, strongest first.

Data Science

Find me work

By the team behind dataroles.

Find me work
Opportunity

Data Science work from LinkedIn, X, Reddit and Upwork, in one list.

Each morning you get everything that fits, strongest first.

Find me work

By the team behind dataroles.