Ramesh Periyathambi
San Ramon,CA
Summary
Distinguished Engineer at eBay with over 20 years of experience in building scalable, data-intensive distributed systems and advancements in developer productivity through Generative AI and machine learning. Specializes in building advanced multi-tier caching solutions and robust data pipelines. Innovator with multiple patents in machine learning, caching, performance and e-commerce.
Overview
20
20
years of professional experience
1
1
Certification
Work History
Distinguished Engineer
eBay Inc
09.2010 - Current
- Spearheaded multiple eBay-wide initiatives, leading cross-organizational teams in Core Tech, Product, and AI to boost developer efficiency and productivity through innovative Generative AI solutions.
- Implemented a company-wide RAG-based chat solution, empowering over 1,000 developers daily with instant access to internal knowledge.
- Led hundreds of engineers to enhance pipeline reliability across Core Tech teams, achieving a company-wide goal of 90% reliability.
- Designed and built scalable self-serve data pipelines for staging environments, significantly reducing test flakiness by utilizing anonymized production data for thousands of tests.
- Founded a machine learning team for the View Item domain, leading projects that leveraged reinforcement learning, XGBoost, and logistic regression models, facilitating real-time inference for over 1 billion item page views.
- As Lead Architect for the View Item page, introduced cacheable items for billions of listings, designed high-availability solutions, and implemented major redesigns, significantly enhancing user experience and performance.
Senior Software Engineer
DXC Technology, CSC
11.2003 - 09.2010
- Designed and implemented several Java/J2EE distributed applications for various clients: Gap Inc, Kaiser Permanente IT and Screen Actors Guild.
Education
Master of Science - Software Systems
Birla Institute of Technology And Science
Pilani, IndiaBachelor of Engineering - Electrical and Electronics Engineering
AlagappaChettiar College Of Engineering And Technology
Tamil Nadu, IndiaSkills
- Generative AI: Fine-tuning Large Language Models (LLMs) and Retrieval Augmented Generation (RAG)
- Programming: Java, Python, C, C
- Data Management: Hadoop, Teradata, NoSQL DBs, Oracle, MySQL
- Technologies: Spring, Hibernate, JSON, XML, Tomcat, Websphere
Certification
- Machine Learning (Stanford University)
- TensorFlow for Artificial Intelligence, Machine Learning, and Deep Learning (DeepLearning.AI)
- Sun Certified Java Programmer (SCJP)
- Sun Certified Web Component Developer (SCWCD)
Accomplishments
- Holder of 14 approved patents and 21 pending patents in areas related to machine learning, caching, performance enhancement, and e-commerce: https://patents.justia.com/inventor/ramesh-periyathambi
- Published numerous articles on eBay's Tech Blog regarding innovations in data pipelines, caching, and performance improvements: https://tech.ebayinc.com/authors/ramesh-periyathambi/
- Awarded multiple accolades within eBay for significant contributions across various domains, including two Star awards for improvements in code quality.
Timeline
Distinguished Engineer
eBay Inc
09.2010 - Current
Senior Software Engineer
DXC Technology, CSC
11.2003 - 09.2010
Master of Science - Software Systems
Birla Institute of Technology And Science
Bachelor of Engineering - Electrical and Electronics Engineering
AlagappaChettiar College Of Engineering And Technology