# Senior Data Scientist

> Globaldev Group · Poland (Remote) · Full-time · Posted 2025-12-11

**Workplace:** remote

**Department:** Dream Team

## Description

If you’re a talented Data Scientist looking to be part of a fast-growing, innovative R&D team, shape the future of decision-making in business, work on cuttingedge technologies and vast amounts of global real-time data, affect billions of mobile users, and become an industry leader - then let’s talk! Start.io is a mobile data platform that enables organizations to uncover insights and make datadriven decisions that enhance strategies and drive growth. We are seeking a Senior Data Scientist to join our Data Science & Engineering team.

### Responsibilities:

-   Analyze large and complex data to discover hidden patterns and opportunities;
-   Develop and own end-to-end highly scalable data pipelines;
-   Develop state-of-the-art machine learning models, and algorithms and build solutions in monetization fields;
-   Provisioning data models for real-time (online) processing;
-   Shape new data products, and constantly improve the existing products;
-   Collaborate with multiple teams including Product, BI, Analysts, DevOps, R&D and Marketing to lead and accomplish overall solutions;
-   Oversee a complete release to production, including analyzing requirements, testing, monitoring and measuring results, multitasking, and quickly responding to critical issues.

### Requirements:

-   B.Sc./M.A/M.Sc. degree in Computer Science, Engineering, Math, Statistics, or other equivalent fields;
-   6 years as a Data Scientist - a strong background in ML concepts and models;
-   Hands-on experience with Python, especially with data science ML libraries (regression & classification algorithms e.g. XGB or LGBM, recommendation system algorithms, etc.;
-   Understanding of databases and SQL for data retrieval;
-   Monitoring and alerting tools (e.g. Grafana, Kibana).

### Will be a plus:

-   Knowledge in the programmatic advertising landscape – DSPs, SSPs, exchanges – significant advantage;
-   Experience with relational (e.g. Vertica, VoltDB) and non-relational (e.g. MongoDB) databases;
-   Experience with PMML.

### What we offer:

-   Help and support from our caring HR team;
-   20 days of vacation;
-   The exchange of experience and work with talented colleagues;
-   Last but not least - valuable compensation for your efforts.

## Apply

[Apply at Globaldev Group](https://apply.workable.com/globaldevgroup/j/814393AC86/apply)

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