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Braintrust

Data Scientist IV (SQL) - Remote

Braintrust
Austria · Full-time · Entry

Job Description

This is a 9-month contract with possibility of extension, 40 hours/ week. No C2C Engagements. No visa sponsorship/ visa transfer available.

Interview process: 2-3 interview rounds + technical assessment

Start date: ASAP

Eligibility

List of countries where Reddit is able to hire: Argentina, Armenia, Australia, Austria, Brazil, Bulgaria, Canada (excluding Quebec), Chile, Colombia, Croatia, Denmark, Dominican Republic, Egypt, Germany, Greece, Guatemala, Hungary, India, Ireland, Italy, Lithuania, Mexico, Netherlands, Norway, Panama, Philippines, Poland, Portugal, Romania, Singapore, Slovenia, Spain, Sweden, Switzerland, Taiwan, United Arab Emirates, UK & Channel Islands, US, and Puerto Rico.

Job Description

About the Ads Data Science Team:

The Ads Data Science team at Reddit leverages data to maximize advertiser value on Reddit through robust data foundations, metrics, and strategic insights generated through experimentation and cutting-edge DS methods.

We work on a wide range of challenging problems in the areas of ads targeting, relevance modeling, auction optimization, measurement, and user experience. We are a highly collaborative team of passionate data scientists and engineers who are constantly pushing the boundaries of what's possible with machine learning and statistical modeling.

About the Role:

We are looking for a highly motivated and experienced Senior Data Scientist to join our growing Ads Data Science team. As a Senior Data Scientist, you will play a key role in developing as well as applying cutting-edge DS models/methods to improve the adoption and performance of our advertising platform through data-driven insights. You will work closely with product managers, engineers, and other data scientists to identify opportunities, define metrics, and build solutions that drive significant impact for Reddit.

Responsibilities:

Strong SQL experience

Design, develop, and apply DS solutions to inform improvements in advertiser experience as well as Reddit ad platform & marketplace performance.

Analyze large-scale datasets to identify trends, patterns, and insights that can be used to improve the effectiveness of our advertising platform.

Collaborate with product managers and engineers to define product requirements and translate them into data science solutions.

Develop ML models & DS methods to improve anomaly detection, prediction, pattern recognition,

Communicate findings and recommendations to stakeholders across the organization.

Stay up-to-date on the latest advancements in machine learning and data science.

Mentor and guide junior data scientists on the team.

As part of the interview process, Reddit conducts an initial screening through the AI Interviewer on Braintrust. This allows the hiring manager to quickly meet qualified candidates, streamline the process, and connect with you faster—all in an async format that gives you the flexibility to complete it at your convenience.

How to Stand Out:

  • Find a quiet space
  • Check your internet connection
  • Be yourself! This interview helps the hiring manager assess communication skills, enthusiasm, and team fit.
  • Read the job description—the questions will be based on it.
  • Expect 4-5 questions during the interview. Max duration: 15 minutes.

Key Skills

Ranked by relevance

machine learning sql ai
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Posted
Jul 20, 2025
Type
Full-time
Level
Entry
Location
Austria
Company
Braintrust

Industries

Technology Information Internet

Categories

Engineering Information Technology

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