Data Researcher *REMOTE

At eBay, we're more than a global ecommerce leader — we’re changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We’re committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts.

Our customers are our compass, authenticity thrives, bold ideas are welcome, and everyone can bring their unique selves to work — every day. We're in this together, sustaining the future of our customers, our company, and our planet. Join a team of passionate thinkers, innovators, and dreamers — and help us connect people and build communities to create economic opportunity for all.

About the team and the role: eBay, Inc. seeks Applied Researcher 1 in Bellevue, WA What you will accomplish: Job Duties: Develop, implement, and optimize virtual try-on technologies using Stable Diffusion XL (SDXL) and FLUX, incorporating advanced sampling techniques and flow matching methodologies to enhance realism and image fidelity. Apply flow matching techniques to improve the efficiency and stability of generative models, enabling more accurate and faster image synthesis. Leverage transformer-based models and attention mechanisms to effectively capture complex visual patterns in virtual garment generation.

Collaborate closely with software engineering and product management teams to integrate and deploy advanced virtual try-on models into production environments. Perform rigorous performance assessments, including quantitative analyses of model accuracy, visual realism, user experience, and stability across various diffusion settings and model configurations. Write detailed technical documentation, comprehensive research reports, and summaries outlining methodologies, results, and guidelines to facilitate internal knowledge sharing and practical application of developed technologies.

Contribute actively to peer-reviewed research publications and technical white papers related to advanced virtual try-on methodologies, innovations in diffusion models, and transformer architectures. Maintain updated knowledge of cutting-edge developments in generative AI, diffusion processes, and related deep learning methodologies to continuously enhance and refine virtual try-on product offerings. Partial telecommuting permitted from within a commutable distance.

What you will bring: Minimum Requirements: Master’s degree, or foreign equivalent, in Data Science, Computer Science, Applied Mathematics, or a related quantitative discipline plus 18 months of experience as a software engineer or machine learning engineer.

Special Skill Requirements: 1. Attention and self-attention mechanisms, including transformer-based designs (ViT, Swin, BERT, or LLaMA) 2. Architecting custom attention layers or modifying transformer backbones for vision or multimodal applications.

• Scaling laws, memory optimization, and distributed attention computation.
• Implementing OCR, object detection, image segmentation, and image classification pipelines.
• Frameworks such as torch vision or OpenCV 6. Integrating visual encoders (CLIP, BLIP, Flamingo, or Kosmos) with large language models.
• Large-scale data preprocessing using PySpark or similar distributed data frameworks.
• Designing efficient data pipelines for model training and evaluation at scale (terabytes to petabytes).
• Quantitative and qualitative evaluation methodologies for computer vision and generative models.
• Machine learning validation principles, including proper dataset splitting (train/validation/test), cross-validation, and prevention of data leakage.
• Designing robust evaluation pipelines, ensuring statistical significance of results, reproducibility of experiments, and proper use of control baselines or ablation studies.
• Coding skills in Python, PyTorch, Transformers, and Hugging Face ecosystems.
• Working with ML Ops and model deployment workflows (Docker, Ray, Airflow, or MLflow).

Salary: $147,200.00-196,500.00 per annum. 40 hours per week; M-F, 9:00 a.m. to 5:00 p.m. Must be legally authorized to work in the U.S. without sponsorship.

Additional Details

Base pay offered may vary depending on multiple individualized factors, including location, skills, and experience. The total compensation package for this position may also include other elements, including a target bonus and restricted stock units (as applicable) in addition to a full range of medical, financial, and/or other benefits (including 401(k) eligibility and various paid time off benefits, such as PTO and parental leave). Details of participation in these benefit plans will be provided if an employee receives an offer of employment.

If hired, employees will be in an “at-will position” and the Company reserves the right to modify base salary (as well as any other discretionary