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Data Scientist, Search & Recommendation Systems

Mayflower • United State
Visa Sponsorship Relocation
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Join Mayflower’s ML team to build and enhance large‑scale search, ranking, and recommendation systems. Lead the design of retrieval pipelines, learning‑to‑rank models, and recommendation algorithms while running experiments and deploying end‑to‑end ML solutions. Requires strong Python, SQL, and machine‑learning expertise with experience in production search/recommendation platforms.

Key Highlights
Develop and optimise end‑to‑end search, ranking and recommendation pipelines for high‑load production systems
Design and execute offline and online experiments linking model quality to business outcomes
Strong Python, SQL, and machine‑learning skills with hands‑on experience in search/recommendation models
Key Responsibilities
Develop and improve retrieval pipelines for large‑scale production search systems, covering candidate generation, query processing, matching, filtering and retrieval strategies.
Build, train and optimise ranking models and learning‑to‑rank solutions for search and recommendation applications.
Design and implement recommendation models and multi‑stage pipelines for personalised and non‑personalised scenarios.
Design, run and analyse offline and online experiments and A/B tests, linking model quality to product and business metrics.
Build end‑to‑end ML pipelines for feature generation, training, validation, deployment and monitoring, collaborating with product, backend, data engineering and MLOps teams.
Technical Skills Required
Python SQL Machine Learning
Benefits & Perks
EU‑based employment contract with a 3‑year Cyprus work visa and full relocation support
Private medical insurance for employee and family
Comprehensive relocation package covering flights, first‑month accommodation and moving assistance

Job Description

Format: on-site from Limassol

Mayflower is a technology company that alters the entertainment industry to a new level of perception and engagement.

We are developing a partner advertising high-load system with a large RPS, convenient and modern interface. We are growing exponentially and successfully implementing new technologies to accelerate this growth and the system as a whole.

Now we look for a Data Scientist with experience buiding search algorithms to join our ML team.

Job Responsibilities

Search & Retrieval

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