Senior Data Scientist | Objectivity
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Senior Data Scientist

Gdansk, Wroclaw or remotely
16000-22500 PLN gross mth. CoE
150 - 200 PLN net hr. B2B

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1856 Joinus Grafiki Data Scientist

Job Description

About the role:

Objectivity builds software that serves powerful machine learning models to the end-users. You will become a part of a team of data scientists, machine learning engineers and data engineers that develop data processing and machine learning pipelines. You will develop your skills in building production-ready machine learning based solutions to business problems. You will collaborate with other experts – developers, testers, user experience, architects, project managers and business analysts – in the process of developing complete software solutions. Our default platform for building software is the cloud (MS Azure, AWS, GCP), so you will familiarize yourself with the modern machine learning infrastructure served by cloud providers. 

We are looking for a data scientist with experience in Natural Language Processing and generative AI. A good candidate doesn’t necessarily need to be an expert in the aforementioned areas, but she/he should be willing to dive deeper if the project requires. As a service company, we work with clients from different areas, including logistics, recruitment, manufacturing, public sector, healthcare, aerospace engineering etc.

Our technology and tools:
Python SQL
Must have:
Python SQL
Nice to have:
Computer vision NLP reinforcement learning forecasting statistics

Your daily work:

  • Delivering machine learning solutions that match client requirements
  • Working with business/IT users from various domains to define the problems that need solving – starting from identifying whether data science is likely to bring value to the customer
  • Data pre-processing; data can be structured or unstructured
  • Finding optimal analytical models to solve the problem
  • Identifying information gaps and looking for other data sets to fill in the blanks – including recognising data quality issues and addressing them (either by cleaning the data or proposing the process changes)
  • Visualising and presenting the conclusions to business/IT users in a clear, understandable way, so that the users can see the benefit of it
  • Implementing your solutions as part of complete software packages

Must-have skills & experience:

  • Master’s degree in Mathematics, Physics, Computer Science, Economics or similar – with strong knowledge of statistics
  • Ability to code in Python and SQL
  • Working knowledge of machine learning algorithms related to GenAI, prompting, natural language processing
  • Ability to understand business case that turns into ML project requirements
  • Knowledge on how optimise and validate machine learning models in production environments
  • Experience in running machine learning related projects end-to-end
  • Ability to see the story behind the data, to recognise important issues and to visualise them in an attractive way
  • Ability to communicate fluently in English (at least C1 level, both spoken and in writing)
  • Attention to details, inquisitive mindset and self-reliance
  • The will to investigate new areas of data science and participate in various projects

Why it is worth joining us:

  •  We offer you an inspiring working environment – you will cooperate with experts in various fields
  • Our organisational culture is based on knowledge-sharing and friendly help – we do our best to give every support you need to excel at what you do
  • We work with diverse projects and technologies: anomaly detection, recommendation engines, computer vision, natural language processing, reinforcement learning
  • We develop software in the cloud
  • We offer relocation package – for candidates from outside of Lower Silesia
  • Your voice is heard – since our philosophy is based on good practices and open communication
  • We make you feel comfortable with us by offering among others: English lessons within working hours, medical care for you and your family or partner, Multisport card and others

Benefits at Objectivity

Learn more about the perks that help us focus on delivery by addressing lots of daily challenges of working professionals.  The type of contract shall depend on the actual rules of cooperation established between us during the recruitment process. Only employees are entitled to benefits package.

‘Great Place to Work’ Certificate

Working remotely or at the Gdańsk/Wrocław office

Contract for an indefinite period from day one

Private medical care for you, your partner and kids

Insurance capital fund

Life and travel insurance

Cafeteria System (Multisport card, vouchers)

Development within working hours (8 days/year)

Over 70 internal training courses

Soft skill workshops

Technical communities

English or German classes during working hours


Sport & CSR Events

Funding of certification and external courses

33 days of sick-leave with 100% of sick pay

Bonus for recommending a highly-skilled professional

(2000/8000 PLN)

Relocation bonus

(7000 PLN)

1-to-1 talks rather than periodic assessments

Fresh fruits and snacks in the office

  1. Good decision! At this stage, we verify the documents that you have sent to us, or we read your profile on Linkedin (if you have provided a link). 

    We will try to contact you as soon as possible. However, if we decide not to contact you now - don't worry. You can give your consent to participate in future recruitment processes and we will contact you in the future. 

  2. During this conversation, we would like to find out a bit more about you. Usually, we are curious about your experience, knowledge of tools and technologies, or we verify the level of your language skills. You can also ask us questions about the role and other topics that you find important. 

  3. The meeting is held remotely and takes the form of a video call. Apart from an HR Specialist, you will also meet people working in the Data&AI area at Objectivity. This will be a great opportunity for you to get all the necessary information about the role, projects and opportunities in our company - directly from the people working in this role. We are also curious about your experiences and expectations, as well as your skills. During such a meeting, we also ask you to complete technical task related to the role you are applying for. 

  4. Finally, it is time for a reply. Our principle is to provide valuable feedback after the recruitment process. You will receive our observations and insights, regardless of the recruitment result. The time for providing feedback is a maximum of 2 weeks, but in most cases, we will get back to you within a week from our last meeting. 

  5. Your opinion matters! We wouldn’t be able to improve our recruitment process without your support. Therefore, after completing the recruitment, we will ask you to leave your comment and opinion on our cooperation - in the form of a short questionnaire. Every month, we analyse the results and take action to make our recruitment process even better. 

Sounds good?
If you kept reading up to this point, it means that you’re interested with us. The feeling is mutual – we are fond of you! Send your CV so that we can start getting to know each other better. Who knows, maybe an amazing adventure is ahead of both of us.

Any questions?

We are here to help



Senior Recruitment and Onboarding Specialist

Hi, my name is Agnieszka.


According to the Gallup Institute, the Top 5 strengths that characterise me are as follows: Empathy, Adaptability, Includer, Harmony and Developer.

This means that I’m likely to recognise and cultivate the potential in others, and that I am happy to create a pleasant environment, where one can feel comfortable and friendly.

During the recruitment meeting, I will listen to you talking about your talents, achievements or aspirations. The insights I’ll collect will prepare me to provide you with feedback and suggestions that will help you grow professionally or personally. I can also grasp how your talents, skills or knowledge can satisfy the needs of the team.