Mid-Level Data Scientist - Search Optimization

Welcome to OLX

At OLX, we work together to build a more sustainable world through trade. We make it safe, smart, and convenient to buy and sell cars, find housing, get jobs, buy and sell household goods, and more. Our colleagues around the world help to serve millions of people around the world every month, through its well-loved consumer brands including OLX, Otodom, Property24.

Data Science Organization

The Data Science team at OLX Group is responsible for building algorithmic solutions to facilitate transactions between buyers and sellers. We are developing personalization technologies and optimization strategies that have a direct impact on OLX’s users as well as the company’s bottom line.

What You Will Be Doing

• Work in the Search team, focusing on developing and optimizing search techniques.
• Help build models, refine them for optimal performance, test them, and eventually deploy them to production.
• See your work in action and measure the true impact of your models on our platform.
• Maintain strong relationships with stakeholders, asking numerous questions to business people, and translating their requirements into achievable projects.
• Collaborate with other teams, like infrastructure and data engineering, to get things done in an efficient and elegant manner.
• Partner with Engineering and Product to deliver solutions, both customer-facing and platform-based, to our internal and external customers.
• Work with Product Analytics to track the KPIs of different machine learning use cases and measure their impact on our customers.
• Collaborate with the Experimentation team to integrate KPIs and their proxies into the Experimentation (A/B testing) platform.

Your Skills and Experience

• At least 2 to 3 years of professional experience as a Data Scientist
• Experience participating in projects related to search relevance and ranking
• Strong data analysis and machine learning skills
• Strong engineering background: proficiency in Python and a good understanding of best engineering practices
• Experience with at least two of the following machine learning frameworks: Scikit-Learn, XGBoost, TensorFlow, PyTorch, (or similar)
• Hands-on experience in the Python ecosystem for data science
• Understanding of A/B testing and experimentation

Why Join OLX?

• Permanent contract
• Salary + annual bonus up to 15%
• Work with and impact all OLX websites around the world
• Train and conference budget and free access to Udemy courses
• Health insurance and life insurance
• MacBook Pro or Windows Dell along with necessary accessories to make your work comfortable
• 100% remote work (and the possibility to work from our office in Lisboa)

Diversity, Equity and Inclusion at OLX

At OLX, we are committed to creating a diverse, inclusive, and authentic workplace. We strongly encourage people of all races, ethnicities, disabilities, ages, gender identities or expressions, sexual orientations, religions, backgrounds, and experiences to apply.