Data Scientist Warsaw, Poland · Intermediate

StartApp, inc.; Warszawa; On-site; PLN 283,990 - 425,985; Full time

Job summary

A leading mobile data platform based in Warsaw seeks a Senior Data Scientist to join its innovative R&D team. The role involves analyzing large datasets, developing scalable data pipelines, and creating advanced machine learning models to enhance business decision-making. Candidates should possess a B.Sc./M.A/M.Sc. in a relevant field and have at least 6 years of experience in data science, specifically in ML. Experience with Python and SQL is essential, with advantages given for knowledge of programmatic advertising.

Qualifications

• 6 years of experience as a Data Scientist with a strong background in ML concepts and models.
• Hands-on experience with Python, focusing on data science ML libraries.
• Understanding of databases and SQL for data retrieval.

Responsibilities

• Analyze large, 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.

Skills

Machine Learning

Data Analysis

Python

SQL

Monitoring Tools

Education

B.Sc./M.A/M.Sc. degree in Computer Science, Engineering, Math, or Statistics

Tools

Grafana

Kibana

Job description

Description

Start.io is a sell-side omnichannel advertising platform powered by real-time mobile audiences. We deliver hundreds of millions of ads per day across thousands of global leading apps and websites. Our platform uses AI to deliver more efficient, effective and precise digital advertising campaigns. Our direct integration with thousands of mobile publishers gives us access to more than 50 billion first-party data signals per day across the globe. Marketers use these anonymized signals to understand and predict consumer behavior, identify new opportunities and fuel business growth.

Role Overview

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 cutting-edge 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 data-driven 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

Must:

• 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)

Advantage:

• 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