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: As a Data Scientist, you step into a product ecosystem where millions of interactions happen every day across live streams. Your work becomes the engine behind smarter decisions at scale: transforming raw signals into predictive insights, elevating user journeys, and driving measurable business impact across Tier-1 markets. This role blends deep technical ownership with product thinking — you won’t just build models, you’ll shape how intelligence flows through one of the fastest-growing social & streaming platforms in our space.
In this role, you will
Create, develop, and refine machine learning models to improve business effectiveness
Work with cross-functional teams, including product and engineering, to deliver impactful features and improvements
Utilize expertise in data structures, algorithms, and ML techniques to boost model performance and efficiency
Apply best practices in MLOps for seamless deployment, monitoring, and maintenance of ML models in production
Troubleshoot and resolve issues related to ML pipelines and model reliability
Stay ahead of the latest trends and best practices in ML and AI
Define and support the roadmap for the recommendation engine, focusing on gifts and coins recommendations
It’s all about you
2+ years of experience in machine learning and deep learning on tabular data, especially recommendation systems
2+ years of software development with Python and hands-on ML project work
Experience designing a data science roadmap and leading technical execution
Experience with cloud development on AWS/GCP/QWAK (GCP preferred)
Experience deploying API-based ML models in dev/prod environments
Solid understanding of A/B testing processes
Strong grasp of the mathematics behind ML: linear algebra, statistics, optimization
Extensive SQL experience — ideally BigQuery
Excellent communication skills, strong teamwork
Responsibility and ability to work independently
Would be a plus
Experience in the social networking domain
Broader ML experience beyond computer vision or NLP-only backgrounds
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
Online yoga with an instructor certified by the Ukrainian Federation of Yoga
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
Test task
Final interview with Head of Operations
Reference check
Offer
