Data Scientist

About the company: United Tech is a global IT product company shaping the future of real-time social connection. With millions of users across North America, Europe, LATAM, and MENA, we build next-gen mobile and web apps for live-streaming and social networking. Our platforms enable connection at scale fast, interactive, and deeply engaging. The market is projected to exceed $206B by 2030, and we are already leading the evolution. Founded in Ukraine, scaling worldwide

About your role: In this role, you will directly influence product growth and monetization by improving Recommendation Systems for gifts and coins. You’ll work end-to-end on ML solutions — from defining the Data Science roadmap and running experiments to deploying production-ready models — while collaborating closely with Product Managers, Analysts, and Engineers. The role offers a combination of hands-on machine learning, recommendation systems, MLOps, and strategic ownership in a fast-paced product environment where your work will have visible business impact.

In this role, you will

• Create, develop, and improve machine learning models to enhance business performance and product effectiveness

• Collaborate closely with cross-functional teams, including Product Managers, Analysts, and Engineers, to deliver innovative ML-driven features and improvements

• Apply expertise in machine learning algorithms, data structures, and optimization techniques to improve model accuracy, scalability, and efficiency

• Implement and maintain MLOps best practices for model deployment, monitoring, retraining, and maintenance in production environments

• Investigate, troubleshoot, and resolve technical issues related to machine learning models, data pipelines, and infrastructure

• Stay up to date with the latest advancements, technologies, and best practices in machine learning, artificial intelligence, and data science

It’s all about you

• 4+ of Machine learning and deep learning on tabular data, Recommendation systems.

• 4+ years of software development experience in Python with experience working with ML and DL

• Experience in designing a data science roadmap and the leading technical execution of the project

• Experience with Cloud development AWS/GCP

• Experience of deploy API models on Dev/Prod environment

• Practical understanding of A/B tests process

• Practical understanding of the mathematics behind modern machine learning, linear algebra, and statistics.

• Extensive SQL knowledge

Would be a plus

• Experience with social networking niche would be a plus

What we offer

• Care and support:

• 20 paid vacation days, 15 sick days, and 6 additional days off for family events

• Up to 10 additional days off for public holidays

• 100% medical insurance coverage

• Sports and equipment reimbursement

• Team building events, corporate gifts, and stylish merch

• Maternity recovery support allowance

• Financial and legal support

• Position retention and support for those who join the Armed Forces of Ukraine

• Participation in social initiatives supporting Ukraine

• Comfortable working environment:

• Work from our Kyiv hub or remotely with a flexible schedule

• Modern equipment or depreciation of your own tools

• Investment in your future:

• Collaborate with a highly-skilled team of Middle & Senior professionals, sharing practical cases and expertise in the social networking niche

• 70% of our heads and leads have grown into their roles here – so can you!

• Performance-oriented reviews and Individual Development Plans (IDPs)

• Reimbursement for professional courses and English classes

• Corporate library, book club, and knowledge-sharing events

Hiring process

• Intro call

• Technical Interview

• Final Interview

• Reference check

• Offer