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Senior Data Scientist, Campaigns

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Bolt

2mo ago

  • Job
    Full-time
    Mid Level
  • Data
    Software Engineering
  • Berlin

AI generated summary

  • You need 4+ years of data science experience, expertise in A/B testing, model deployment, complex SQL, and strong problem-solving skills with a proactive, collaborative mindset.
  • You will build predictive models, automate promo campaigns, conduct A/B tests, analyze user behavior, and collaborate on machine learning projects using Python and related tools.

Requirements

  • Industry experience in data science and machine learning (4+ years recommended), with deep knowledge of statistics, probability, and causal inference
  • Proficient in setting A/B tests and interpreting results, with a strong understanding of statistical hypothesis testing
  • Track record of deploying models to production and effectively measuring their impact
  • Experience in writing complex SQL queries and mapping business/product problems to data science frameworks
  • Strong product thinking and problem-solving skills, with the ability to communicate, persuade, and collaborate effectively
  • Proactive, self-driven mindset, able to take initiative with minimal supervision and work well in a team

Responsibilities

  • You will be building models for predicting the probability of the user booking under specific circumstances. You will work on customer segmentation: discover rider, driver, and eater segments for efficient campaign targeting. As a Data Scientist, you will be developing a system for automating promo campaigns setup and scaling it for millions of Bolt customers. You will be engaged in designing optimal experimental setup for comparing different campaigns targeting methodologies and user behavior dynamics. You will work on prioritising user acquisition channels using analytical and machine learning approaches. Your daily adventures will include:
  • Machine learning and statistical model development and its deployment into a production environment.
  • Studying historical user behaviour and building models for optimal users’ discount allocation.
  • Developing a system for automating regular promo campaign setups.
  • Setting up A/B tests, collecting, interpreting its results, and communicating to stakeholders.
  • Working with a technical stack consisting of Python, Docker, Presto, SageMaker, Airflow.
  • Collaborating with data analysts, data scientists, product managers, and software engineers in feature teams.

FAQs

What is the primary focus of the Senior Data Scientist role at Bolt?

The primary focus of the Senior Data Scientist role at Bolt is to improve the effectiveness of campaigns by building predictive models regarding user bookings, customer segmentation, automating promo campaign setups, and analyzing user behavior.

What kind of experience is recommended for applicants?

Applicants are recommended to have 4+ years of industry experience in data science and machine learning, with deep knowledge of statistics, probability, and causal inference.

What technical skills are required for this role?

Required technical skills include proficiency in Python, experience with SQL for complex queries, and familiarity with tools like Docker, Presto, SageMaker, and Airflow.

Will I be involved in setting up A/B tests?

Yes, you will be responsible for setting up A/B tests, collecting and interpreting results, and communicating findings to stakeholders.

What kind of team will I be working with?

You will collaborate with data analysts, data scientists, product managers, and software engineers within feature teams.

Is there an opportunity for professional growth?

Yes, there are unique career opportunities that can help accelerate your professional growth within the company.

How does the company support work-life balance?

The company supports work-life balance through flexible working arrangements, including a hybrid work mode that requires a minimum of 2 days in the office each week.

What perks can I expect as an employee at Bolt?

Employees at Bolt can expect a rewarding salary and stock option package, wellness perks to support physical and mental health, and other benefits that may vary by location and role.

Is there a specific technical stack I will be working with?

Yes, the technical stack consists of Python, Docker, Presto, SageMaker, and Airflow.

What qualities is Bolt looking for in candidates beyond experience?

Bolt is looking for candidates who demonstrate drive, intelligence, and integrity, and encourages applications even if all qualifications are not met.

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Bolt

Making cities for people, not cars.

Technology
Industry
1001-5000
Employees
2013
Founded Year

Mission & Purpose

At Bolt, we're building a future where people don’t need to own personal cars to move around safely and conveniently. A future where people have the freedom to use transport on demand, choosing whatever vehicle's best for each occasion — be it a car, scooter, or e-bike. We're helping over 100 million customers move around in more than 500 cities globally, while also supporting more than 3 million drivers. The best bit? We're only just getting started.