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Junior Data Scientist

Lisbon, Portugal (On-site)

Junior Data Scientist

1 Month ago • Upto 2 Years • Data Analyst

About the job

9 skills required for this role

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azure

data-visualization

aws

python

sql

data-science

foundation

alphabeta-testing

cross-functional

Job Description

Xsolla is seeking a Junior Data Scientist passionate about leveraging data to drive business insights, improve decision-making, and create predictive models. You will work with cross-functional teams to identify business needs, gather and analyze data, and translate complex data insights into actionable strategies. As a Junior Data Scientist, you will be at the heart of our data-driven approach to tackling fraud, contributing to model development/evaluation and process optimization. You will assist in building and refining machine learning models and supporting the team’s initiatives to reduce fraud risks. You will have the opportunity to learn and grow your data science skills while contributing to projects that provide real business value. This role is ideal for a recent graduate or someone early in their data science career, with a strong foundation in conducting A/B testing, Pattern Recognition, and a passion for leveraging data to solve real fraud-related problems.

Must have:

Bachelor’s degree in Data Science, Computer Science, Statistics, Applied Mathematics, or related discipline
Strong problem-solving skills with ability to work with large, complex datasets
Proficiency in Python or R, with experience in data manipulation and analysis libraries
Familiarity with machine learning libraries and frameworks
Basic understanding of SQL for data extraction and management

Good to have:

Relevant certifications in data science or machine learning
Knowledge of data visualization tools for creating dashboards and visualizations
Familiarity with cloud platforms and tools such as AWS, Google Cloud, or Azure

Perks:

Unlimited Flexible Time Off
28 paid holidays
Personalized career roadmap
In-house training, independent study, conference attendance, and higher education opportunities

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Xsolla is looking for a Junior Data Scientist who is passionate about leveraging data to drive business insights, improve decision-making, and create predictive models that propel our business forward. This role will involve working with cross-functional teams to identify business needs, gathering and analyzing data, and translating complex data insights into actionable strategies. The ideal candidate has a blend of technical expertise, analytical acumen, and business intuition to not only uncover insights but also implement data-driven solutions.

As a Junior Data Scientist, you will be at the heart of our data-driven approach to tackling fraud, contributing to model development/evaluation and process optimization. You will assist in building and refining machine learning models and supporting the team’s initiatives to reduce fraud risks. You will have the opportunity to learn and grow your data science skills while contributing to projects that provide real business value.

This role is ideal for a recent graduate or someone early in their data science career, with a strong foundation in conducting A/B testing, Pattern Recognition, and a passion for leveraging data to solve real fraud related problems.

We are open to candidates from the whole of Europe

RESPONSIBILITIES

Develop and Implement Fraud Detection Models: Build machine learning models to detect fraudulent transactions.

Data Analysis and Pattern Recognition: Analyze transaction data to identify anomalies, patterns, and trends indicative of fraud, while continuously refining detection capabilities.

Optimize Model Performance: Continuously improve the efficiency and accuracy of fraud detection models, focusing on reducing processing time and enhancing model responsiveness.

Collaborate with Cross-Functional Teams: Work closely with data analysts, developers, and business stakeholders to ensure seamless integration of fraud detection models into transaction systems.

Conduct A/B Testing and Model Evaluation: Design and run A/B tests to assess the effectiveness of fraud detection models and validate model performance.

Monitor Models in Production: Maintain and monitor models deployed in production, adjusting and updating them to stay effective against evolving fraud patterns.

REQUIREMENT

Bachelor’s degree in a quantitative field such as Data Science, Computer Science, Statistics, Applied Mathematics, or a related discipline. Relevant certifications in data science or machine learning are a plus.
Strong problem-solving skills with the ability to work with large, complex datasets and derive meaningful insights.
Detail-oriented, with a solid grasp of statistical analysis and data science concepts.
Proficiency in Python or R, with experience in data manipulation and analysis libraries
Familiarity with machine learning libraries and frameworks
Basic understanding of SQL for data extraction and management.
Knowledge of data visualization tools for creating dashboards and visualizations.
Familiarity with cloud platforms and tools such as AWS, Google Cloud, or Azure is a plus.

At Xsolla, we are passionate about providing a conducive environment for our team to thrive personally and professionally. Our Benefits Program caters to the physical, mental, and emotional well-being of our full-time employees.

Understanding the detrimental effects of burnout, we offer unlimited Flexible Time Off and 28 paid holidays each year. Personal and professional development is a cornerstone of our ethos at Xsolla. Each employee has a personalized career roadmap, developed in partnership with their manager, aligning individual and company goals. We support this growth through in-house training, independent study, conference attendance, and higher education opportunities.

About company

Xsolla is a global video game commerce company with a robust and powerful set of tools and services designed specifically for the video game industry. Since its founding in 2005, Xsolla has helped thousands of game developers and publishers of all sizes fund, market, launch and monetize their games globally and across multiple platforms. As an innovative leader in game commerce, Xsolla’s mission is to solve the inherent complexities of global distribution, marketing, and monetization to help our partners reach more geographies, generate more revenue and create relationships with gamers worldwide.

Headquartered and incorporated in Los Angeles, California, with offices in Berlin, Seoul, Beijing, Kuala Lumpur, and cities around the world, Xsolla supports major gaming titles like Valve, Twitch, Roblox, Ubisoft, Epic Games, KRAFTON, Nexters, NetEase, Playstudios, Playrix, miHoYo, Pearl Abyss, NCSoft, and more.

By submitting the following job application form, you consent to Xsolla processing your data for career-related inquiries and potential employment opportunities. We process your data in accordance with this Xsolla Privacy Notice for Job Applicants. Please direct any inquiries regarding GDPR or CCPA to careers@xsolla.com

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About The Company

Xsolla

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Xsolla's video game business engine helps game developers and publishers operate more efficiently and sell more games. Serving only the video game industry, Xsolla caters to businesses from indie to enterprise, with solutions that solve the complexities of distribution, marketing, and monetization so developers, publishers, and platform partners. Our goal is to increase your audience, sales and revenue.

Headquartered in Los Angeles, with offices worldwide, Xsolla operates as a merchant and seller of record for major gaming entities like Valve, Twitch, Ubisoft, Epic Games, and PUBG Corporation.