Data Scientist (Mobile)

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 will work closely with the Data Engineering and Development teams to build pipelines from scratch, design ML models that directly impact user engagement and monetization, and drive innovation in high-load, complex environments. This role offers real ownership: you’ll see your models go live, measure results in real time, and  if you have the motivation and drive grow into leading the DS team in the future In this role, you will

Create, develop, and refine machine learning models to improve business effectiveness

Work with cross-functional teams, including product management and engineering, to design and deliver innovative features and improvements

Utilize your expertise in data structures, algorithms, and machine learning techniques to enhance model performance and efficiency

Apply best practices in MLOps to simplify deployment, monitoring, and maintenance of ML models in production

Troubleshoot and resolve technical issues related to machine learning models and pipelines

Stay up to date with the latest trends, technologies, and best practices in machine learning and AI

It’s all about you

2+ years of experience in machine learning and deep learning on tabular data or recommendation systems

2+ years of commercial software development experience in Python and ML

Experience designing data science roadmaps and leading the technical execution of projects

Experience with cloud development (AWS/GCP)

Experience deploying API models in Dev/Prod environments

Practical understanding of A/B testing processes

Strong grasp of the mathematics behind modern machine learning, linear algebra, and statistics

Advanced SQL knowledge

Proven track record of completing the full data science project cycle — from data load to model deployment

Deep learning background

Team-oriented mindset, engagement, and focus on results

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

Tech interview

Test Task

Final Interview

Reference check

Offer