Machine Learning Engineer, User understanding Mountain View, CA, View

## Machine Learning Engineer, User understanding

Applylocations:
Mountain View, CA, USAtime type:
Full timeposted on:
Posted Yesterdayjob requisition :
JOBREQ-2616049
** The opportunity
** Our Gamer AI team develops conversion rate prediction and market price models that power our ad ranking and recommendation systems. By leveraging large-scale data and contextual signals, we continuously enhance prediction relevance and accuracy. This drives outcomes such as higher user engagement, stronger conversion performance, and better return on ad spend, helping advertisers achieve their goals while delivering a more engaging experience for users.

We are seeking a motivated Machine Learning Engineer to support the development and maintenance of systems for understanding user behavior across applications. You will contribute to improving ad ranking, conversion predictions, and recommendation systems, working alongside experienced engineers to build behavioral models and optimize ad performance.
** What you'll be doing
*** Design, implement, and optimize user behavior models that directly influence ad ranking, bidding, and conversion outcomes across billions of impressions.
* Monitor model performance and help identify data quality issues or model degradation.
* Write clean, maintainable code and participate in code reviews to improve your craft.
* Learn and communicate how our models work to cross-functional partners.
** What we're looking for
*** BS in Computer Science, Machine Learning, Statistics, or related field.
* Strong foundation in Python or similar programming languages.
* Familiarity with machine learning fundamentals and statistical analysis.
* Curiosity about how ads, recommendations, and user behavior work at scale.
* Hungry to grow through rapid iteration, experimenting with real signals and learning what works at scale.
** You might also have
*** First experience, publications, or academic projects in the ads domain or recommendation systems.
* Exposure to experimentation and A/B testing frameworks.
* Experience using AI tools like Claude Code or Git Hub Copilot to learn and build faster.
** Additional information
*** Relocation support is not available for this position
* Work visa/immigration sponsorship is not available for this position
** Avantages
* * Chez Unity, nous voulons que nos membres d’équipe s’épanouissent. Nous offrons un large éventail d’avantages conçus pour soutenir le bien-être et l’équilibre travail-vie personnelle.  Veuillez noter: L’admissibilité aux avantages, les offres spécifiques et la couverture varient selon le pays et le statut d’emploi.  Bien que les avantages précis puissent varier, voici certaines des façons dont nous nous efforçons de prendre soin de nos membres d’équipe admissibles à l’échelle mondiale : assurance santé, vie et invalidité complète | Subvention pour les déplacements | Participation des employés à l’actionnariat | Régimes de retraite/pension compétitifs | Vacances et congés personnels généreux | Soutien aux nouveaux parents grâce à des congés et des programmes de soutien aux familles | Collations offertes au bureau | Programmes et soutien en matière de santé mentale et de bien-être | Groupes-ressources pour employés | Programme mondial d’aide aux employés | Programmes de formation et de perfectionnement | Programme de bénévolat et de jumelage de dons
** La vie chez Unity
** Unity [NYSE : U] est le premier moteur de jeu au monde, propulsant les expériences de plus de 3 milliards d’utilisateurs(rices) chaque mois. Les plus grands jeux mobiles, les titres indépendants PC les plus populaires, des jeux console parmi les plus innovants, ainsi que la quasi-totalité des principales expériences XR et jeux Web sont développés, déployés et optimisés avec Unity.  

Unit…