Senior Machine Learning Scientist

1 semana atrás

Lisboa, Portugal Tripadvisor Tempo inteiro

We believe that we are better together, and at Tripadvisor we welcome you for who you are. Our workplace is for everyone, as is our people powered platform. At Tripadvisor, we want you to bring your unique identities, abilities, and experiences, so we can collectively revolutionize travel and together find the good out there.

Are you ready to revolutionize the way travelers discover and explore the world? Join the Tripadvisor Machine Learning Team as a Senior Machine Learning Scientist, and embark on a thrilling journey to build the next generation Points of Interest (POI) system. The entire Tripadvisor platform is built on top of our POI metadata for the millions of hotels, attractions, and restaurants listings. This role is pivotal in maintaining the accuracy, coverage, and high-quality place listings that form the bedrock of Tripadvisor's unrivaled user experience. As a Senior ML Scientist, you will partner with product and engineering to create innovative solutions that evaluate, match and integrate POI data from different sources to build the most accurate, complete, fresh & rich database of travel-related POIs in the world.

**Responsibilities**:

- Work with product and engineering to understand the business problems related to place metadata, including how it’s processed and stored, and define the requirements for machine learning models and algorithms to solve them.
- Automate ETL pipelines to process large databases of POIs from different sources efficiently and reliably.
- Prototype, deploy, and maintain new models and algorithms for POI matching/conflation, source evaluation, identifying closed businesses, scraping metadata, extracting attributes from UGC, and flagging inaccurate data.
- Design and analyze AB tests to measure the impact of new models and algorithm changes, providing insights and recommendations based on test results.
- Communicate progress, experimental findings, and insights clearly and concisely to both technical and business stakeholders.
- Contribute to project planning and the overall roadmap for the future development of the POI system.

**Skills & Experience**:

- A master’s degree or PhD in computer science, data science, engineering, statistics, or a related field.
- 4+ years of experience in developing and deploying end-to-end machine learning models and algorithms at scale.
- Proficiency in Python, R or a similar numerical/statistical programming language.
- Ability to interpret and write complex SQL queries.
- Experience with handling data heterogeneity, incompleteness, duplication, and uncertainty issues in large datasets.
- Experience with web scraping techniques and tools, and how to use machine learning to extract structured information from unstructured web pages.
- Preferred: Experience working with large POI databases and/or geospatial data.
- Preferred: Experience with crowdsourcing platforms, such as Mechanical Turk, to gather, label, and validate data for training and testing machine learning models.

Embark on an extraordinary adventure with Tripadvisor's Machine Learning Team, where your technical prowess and innovative thinking will redefine the way travelers discover and engage with the world. Join us and shape the future of travel experiences for millions of users worldwide.

What you'll get

**Highly competitive salary along with the following**:

- Annual bonus.
- Excellent contributory pension.
- Full family private medical cover.
- Full dental cover.
- Annual wellbeing allowance (e.g. gym membership, Apple Watch).
- Personal travel reimbursement.
- Critical illness plus full life cover.
- Employee assistance program.

\#LI-GW1

\#LI-Remote

\#LI-Hybrid

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