AI / Data Scientist

1 неделя назад

Киев, Киев, Украина MobiDev Полный рабочий день 40 000 ₴ - 120 000 ₴ в год

We're looking for a hands-on 
AI / Data Scientist
 who enjoys solving complex problems with data and turning insights into impactful solutions. In this role, you'll work on designing, building, and deploying models that extract intelligence from large-scale, heterogeneous datasets — including network, behavioral, and textual data. You'll collaborate closely with AI engineers, developers, and security experts to shape features, pipelines, and analytical tools that make the internet a safer place.

Key Responsibilities:

  • Manipulate, clean, and transform complex, high-volume datasets for modeling and analysis
  • Design and implement feature engineering strategies that enhance model accuracy, interpretability, and robustness
  • Build and evaluate machine learning models for 
    anomaly detection, fraud identification, forecasting, and optimization
  • Explore and prototype solutions using 
    Python (Pandas, NumPy, Scikit-learn, PyTorch, TensorFlow)
     and 
    SQL
  • Translate product or business requirements into clear analytical tasks and model development plans
  • Contribute to 
    MLOps workflows
     for model deployment, validation, and continuous monitoring
  • Conduct error analysis and model tuning to ensure reliability and efficiency

Main requirements:

  • 1+ years of hands-on experience in DS/ ML
  • Strong proficiency in Python and data science libraries (Pandas, NumPy, Scikit-learn, PyTorch, TensorFlow)
  • Proven ability to handle messy, large-scale, and multi-source data
  • English: 
    Upper-Intermediate+
    , both written and spoken
  • Experience with classical machine learning algorithms and a solid understanding of their strengths and limitations
  • Familiarity with NLP techniques and modern deep learning approaches
  • Strong analytical mindset and ability to develop well-justified, data-driven solutions
  • Good command of SQL for data querying and preparation

The benefits you will get:

  • Ability to influence processes and best practices
  • Opportunity to expand your technical background
  • Long-term cooperation with teammates and clients
  • Compensation of internal and external English language training
  • Flexible schedule
  • Paid vacation and sick leave
  • Our accountants will take care of the taxes
  • Legal support

  • Senior Data Scientist

    1 неделя назад

    Киев, Киев, Украина 57c1991c-4680-45d9-af52-de2d1afd4ac7 Полный рабочий день 60 000 ₴ - 120 000 ₴ в год

    We are seeking an experienced Mid/Mid+ Data Scientist with expertise in Large Language Models (LLMs) such as GPT, Claude, and related technologies to join our team in Ukraine. The ideal candidate will have a strong background in natural language processing (NLP), machine learning, and deep learning models. They will play a critical role in developing and...

  • Senior Data Scientist

    2 недель назад

    Киев, Киев, Украина Vira Games Полный рабочий день 900 000 ₴ - 1 200 000 ₴ в год

    Vira Games - незалежна ігрова компанія, що спеціалізується на розробці та видавництві мобільних ігор. Наша команда - це творчий альянс, що об'єднує досвід, креативність, драйвовість та...

  • Data Scientist

    2 недель назад

    Киев, Киев, Украина BetterMe Полный рабочий день 60 000 ₴ - 80 000 ₴ в год

    Про компанію:BetterMe — це компанія, яка з 2017 року пропонує найкращі рішення для фізичного та ментального здоров'я. Продукти BetterMe відповідають потребам людей різного віку, статі, фізичних можливостей...

  • Data Scientist

    2 недель назад

    Киев, Киев, Украина Preply Полный рабочий день 90 000 ₴ - 120 000 ₴ в год

    We power people's progress. At Preply, we're all about creating life-changing learning experiences. We help people discover the magic of the perfect tutor, craft a personalized learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it's creating real impact. So far, 90,000 tutors have delivered over 20 million...

  • Data Scientist — Web and Content Analytics

    2 недель назад

    Киев, Киев, Украина WLDM Полный рабочий день 19 000 $ в год

    About the roleWe are hiring a Data Scientist to turn complex web datasets into clear, repeatable decisions. You will work with the Head of Growth and the Client Strategy team to frame the right questions, run focused analyses, and recommend actions that drive measurable impact. The work blends analytics, light engineering, and practical...

  • Data Scientist — Web and Content Analytics

    2 недель назад

    Киев, Киев, Украина WLDM Полный рабочий день 23 040 $ - 45 600 $ в год

    About the roleWe are hiring a Data Scientist to turn complex web datasets into clear, repeatable decisions. You will work with the Head of Growth and the Client Strategy team to frame the right questions, run focused analyses, and recommend actions that drive measurable impact. The work blends analytics, light engineering, and practical...

  • Senior Data Scientist

    2 недель назад

    Киев, Киев, Украина Preply Полный рабочий день 50 000 ₴ - 150 000 ₴ в год

    We power people's progress. At Preply, we're all about creating life-changing learning experiences. We help people discover the magic of the perfect tutor, craft a personalized learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it's creating real impact. So far, 90,000 tutors have delivered over 20 million...

  • Data Scientist

    7 дней назад

    Киев, Киев, Украина MriiaМрія Полный рабочий день 60 000 ₴ - 80 000 ₴ в год

    Мрія — освітня екосистема для учнів, батьків/опікунів і вчителів, що надихає вчитися та допомагає знайти себе в сучасному світі. Це ініціатива Президента України Володимира Зеленського, яку...

  • Senior Frontend Engineer

    2 недель назад

    Киев, Киев, Украина Centrum-AI Полный рабочий день 60 000 ₴ - 120 000 ₴ в год

    Senior Frontend Engineer (Svelte) Full-Time, High-Impact RoleHelp us build the future of supply chain intelligence.We're a small, fast-moving team building a next-generation supply chain AI platform. As a startup, we prioritize development speed and iteration. Creating solid and clean building blocks while delivering meaningful features is top of mind right...

  • Account Manager

    1 неделя назад

    Киев, Киев, Украина Label Your Data Полный рабочий день 15 000 $ - 30 000 $ в год

    If you're ready to join a team that crafts the future of artificial intelligence and thrives on the cutting edge, we've got a spot for you We're looking for a proactive Account Manager who will be responsible for building strong and effective relationships with both a client and a team. You'll meet exciting challenges, and will constantly grow...