# Staff Data Scientist
**Company:** [OpenX](https://hotfix.jobs/companies/openx)
**Location:** Remote
**Salary:** $196K-$219K
**Experience:** 6+ years
**Skills:** Python, SQL, TensorFlow, PyTorch, Deep Learning, Machine Learning, Causal Inference, GCP, AWS, Azure, Vertex Ai, Tfx, Kubeflow, Airflow, Java
**Posted:** 2026-05-12
> Leads cross-team data science initiatives architecting scalable ML systems for ad marketplace optimization, bidding strategies, and prediction at exchange scale. Requires PhD with 6+ years or MS/BS with 8+ years in ML, deep learning expertise, Python/SQL, and production ML experience.
## Job Description
## Key Responsibilities

### Technical Leadership & Architecture
- Architect robust, scalable, and maintainable ML systems for broad use across the exchange, spanning training pipelines, real-time inference, validation, and monitoring
- Serve as a go-to expert in deep learning and related advanced data science domains, with the breadth to guide method selection across adjacent areas
- Lead the evaluation and adoption of new AI/ML modeling techniques, frameworks, and research advancements relevant to OpenX’s marketplace problems
- Define and evolve technical standards and best practices within their domain, influencing broader adoption across the organization

### Execution & Strategy
- Identify and lead high-impact, cross-team data science initiatives, such as improving bidding strategies, building new prediction systems, or redesigning experimentation frameworks
- In partnership with engineering and product leadership, drive the data science roadmap for a product area or platform capability
- Partner with product managers and commercial stakeholders to translate marketplace problems into data science solutions with measurable business outcomes
- Solve novel, ambiguous problems requiring innovation in methodology, algorithms, or feature engineering

### Mentorship & Influence
- Mentor and develop senior data scientists, helping them grow toward broader technical leadership
- Raise the skills, impact, and scientific rigor of teams around them through guidance, architectural patterns, and strategic direction
- Communicate technical strategy and build consensus for complex decisions across senior leadership and cross-functional teams

## Required Qualifications
- Ph.D. in Data Science, Machine Learning, Computer Science, Physics, Mathematics, Operations Research, or related technical field with 6+ years of relevant industry experience; OR M.S./B.S. with 8+ years of relevant experience and a demonstrated track record of leading cross-team technical strategy and delivering organization-level impact
- Deep expertise in deep learning and broad fluency across the modern ML toolkit, with strong familiarity with optimization methods; additional experience in areas such as causal inference or experimentation design is a plus
- Proven ability to architect and deliver complex, production-grade ML systems that operate at scale
- Strong track record of nurturing DS/ML projects to maturity with significant business impact, including supporting and improving those systems beyond initial deployment
- Mastery of probability and statistics, especially techniques that scale to massive datasets
- Strong **Python** and **SQL** skills; experience with ML frameworks such as **TensorFlow** or **PyTorch**
- Strong communication and presentation skills, including proficiency in conveying complex technical concepts to both technical and non-technical audiences
- Track record of cross-team technical leadership and mentorship of senior data scientists and technical partners

## Desired Characteristics
- Experience developing, evaluating, or optimizing bidding algorithms for RTB environments
- Experience working with a cloud platform like **GCP**/**AWS**/**Azure**, with emphasis on **GCP** and the **Vertex AI** platform
- Experience with ML pipeline and orchestration tools such as **TFX**, **Kubeflow**, or **Airflow**
- Familiarity with other programming languages such as **Java** and **Go**
- Experience working in digital media, marketing technology, or advertising technology — especially in marketplace, auction, or exchange systems
- Track record of setting technical standards or best practices adopted beyond a single team
- Experience representing data science capabilities or strategy in cross-functional forums
**Apply:** https://hotfix.jobs/jobs/staff-data-scientist-at-openx-13cce944-77d8-478c-8aba-cbf8d9481169
**Canonical:** https://hotfix.jobs/jobs/staff-data-scientist-at-openx-13cce944-77d8-478c-8aba-cbf8d9481169