Senior Data Scientist — End-to-End ML & RecSys Champion

RateHawk; United States; Hybrid; USD 120,000 - 180,000; Full time

Benefits offered by this job

Flexible work model

Remote or hybrid options

Language learning support

Corporate hotel & travel discounts

MyTime Day Off

Job summary

Emerging Travel Group (ETG) is seeking an experienced Data Scientist/ML Engineer to own end-to-end ML projects that directly impact business outcomes. You will collaborate with data engineers and analysts to build robust pipelines, define metrics, and run A/B tests.

The role emphasizes translating business goals into ML tasks, applying state-of-the-art algorithms, and bringing models to production in a fast-paced travel-tech environment.

Qualifications

• Experience: At least 4+ years of hands-on experience as a Data Scientist or ML Engineer.
• Business Mindset: Ability to dig into data and translate business objectives into ML tasks.
• ML Stack & Algorithms: Knowledge of Gradient Boosting (CatBoost/LightGBM), Classification, Regression.
• Matching, RecSys & Ranking: Experience with entity matching and recommender systems.
• Big Data Stack: SQL and PySpark, building production data pipelines.
• Engineering Independence: Production-quality Python, testing, and bringing models to production (Airflow, Python microservices).
• Nice to Have: TravelTech/E-commerce/B2B APIs exposure; NLP basics; optimization/pricing; math/stats; flexible work formats; language learning support; corporate hotel travel discounts; MyTime Day Off.

Responsibilities

• End-to-End ML Ownership: Lead ML projects from hypotheses to measurable business impact.
• Cross-functional Collaboration: Work with Data Engineers and Data Analysts on data pipelines, metrics, and A/B tests.
• Domain-Specific Problem Solving: Translate business goals into mathematical models (Rate Matching, Recom Search, Multi-objective Optimization, Cache Freshness).
• Model Development: Develop, train, and validate models to improve B2B user experience.

Job description

Emerging Travel Group (ETG) is seeking an experienced Data Scientist/ML Engineer to own end-to-end ML projects that directly impact business outcomes. You will collaborate with data engineers and analysts to build robust pipelines, define metrics, and run A/B tests.

The role emphasizes translating business goals into ML tasks, applying state-of-the-art algorithms, and bringing models to production in a fast-paced travel-tech environment.