Senior Applied Researcher T27

Location: Bengaluru, India

Category: Engineering

About the Role

Join eBay's Product Knowledge team in Bengaluru as a Senior Applied Researcher T27, driving the future of e-commerce through advanced data systems. This role centers on leveraging eBay's vast Big Data ecosystem—including listings, transactions, products, and knowledge graphs—to enhance marketplace experiences for millions of global buyers and sellers. Tackle complex challenges like Image Quality scoring, Automatic Taxonomy Improvement, Entity Resolution for hierarchical entities, and Conflict Resolution, while envisioning how these integrate to create delightful customer innovations in a tech-driven, customer-centric environment.

Key Responsibilities

• Collaborate with Management and Product Management to shape department vision and roadmap
• Define and refine project scopes, goals, and metrics for Product Knowledge initiatives
• Seek scientifically valid solutions delivering value to eBay's e-commerce customers
• Measure output and impact to continuously learn and improve processes
• Collaborate with Operations to ensure quality of human-labeled data
• Build Machine Learning models and data pipelines for insightful eBay solutions
• Mentor junior peers, review work, and provide frequent feedback
• Promote scientific rigor, code quality, and craftsmanship within the team
• Present technical research at public forums and conferences
• Help interview and hire exceptional teammates
• Lead improvements in Image Quality scoring, Automatic Taxonomy, Entity Resolution
• Design integrated projects powering new eBay customer experiences

Required Qualifications

• BE/B.Tech with 10+ years of relevant industry experience
• M.Sc. or Ph.D. in Computer Science, Statistics, Mathematics, or equivalent with 7+ years in Applied Machine Learning
• Industrial experience with classification, regression, NLP, clustering, Deep Learning, Neural Networks, or Reinforcement Learning
• Significant experience in production-grade coding in Python or Java
• Experience with Big Data processing frameworks like Hadoop, SQL, Spark
• Excellent verbal and written communication and collaboration skills
• Thought leadership and mentoring skills

Preferred Qualifications

• 5 or more related publications/patents in quality conferences or journals
• Open source tool building or commits to popular projects
• Experience with Language Models
• Experience in Knowledge Graph building
• Proven track record in e-commerce data challenges like entity resolution

Required Skills

• Applied Machine Learning
• Deep Learning / Neural Networks
• NLP and Language Models
• Knowledge Graphs
• Big Data Processing (Hadoop, Spark, SQL)
• Production Python or Java coding
• Classification and Regression
• Clustering and Entity Resolution
• Data Pipeline Development
• Scientific Measurement and Experimentation
• Mentoring and Thought Leadership
• Cross-functional Collaboration
• Image Quality Analysis
• Taxonomy and Hierarchy Management
• Conflict Resolution in Data Entities
• Communication and Presentation Skills

Benefits & Perks

• Competitive salary
• Stock grants
• Yearly bonus
• Healthy work culture promoting business impact and personal well-being
• Opportunities for global impact in e-commerce innovation
• Collaborative team environment with learning and growth
• Commitment to employee, customer, and planetary sustainability
• Equal opportunity employment with accommodations available

eBay Inc. is an equal opportunity employer committed to diversity and inclusion.