A-listware is a tech company offering challenging and rewarding programming job opportunities for Ukrainian engineers. We work with international customers from product development to outsourcing and outstaffing.
We work internationally and offer remote job opportunities—our dev hubs are in Ukraine, Poland, Romania, Austria, and Germany.
14 квітня 2026
Senior Data Scientist (Realtime/Inference/Highload) (вакансія неактивна)
віддалено
Our Customer:
Our customer is a global, data-driven digital advertising technology company operating at large scale across mobile apps and web platforms.
Your Tasks:
- Analyze large, complex datasets to uncover patterns, insights, and business opportunities;
- Design, build, and own scalable, end-to-end data pipelines;
- Develop and productionize advanced machine learning models and algorithms, particularly in monetization-related domains;
- Build and maintain data models for real-time (online) processing;
- Contribute to the creation of new data-driven products and continuously improve existing ones;
- Collaborate with Product, BI, Analytics, DevOps, R&D, and Marketing teams to deliver complete solutions;
- Lead full production releases, including requirements analysis, testing, monitoring, result evaluation, and rapid response to critical issues.
Required Experience and Skills:
- 6+ years of experience as a Data Scientist with a strong foundation in machine learning concepts and models;
- Previous experience in the Ad-Tech industry;
- Hands-on experience working on large-scale, high-load systems processing billions of requests per second;
- Hands-on experience with Python including writing production-ready code and working with modern Python frameworks and tooling;
- Experience with data science / ML libraries and models, such as regression and classification models (e.g. XGBoost, LightGBM), recommendation systems, and related ML techniques;
- Solid understanding of databases and SQL for data analysis and retrieval;
- Experience with monitoring and alerting tools such as Grafana and Kibana;
- Proven experience working in real-time / online environments;
- Bachelor’s or Master’s degree in Computer Science, Engineering, Mathematics, Statistics, or a related field;
- Strong end-to-end ownership mindset: ability to take solutions from research and experimentation through implementation and production;
- Fluent English with strong communication and collaboration skills.
Would Be a Plus:
- Familiarity with the programmatic advertising ecosystem (DSPs, SSPs, ad exchanges);
- Experience with relational databases (e.g. Vertica, VoltDB) and non-relational databases (e.g. MongoDB);
- Experience working with PMML.
Working Conditions:
- Remote work;
5-day working week,8-hour working day.