Vaidyanathan P K
Lead AI Engineer @ Meta Reality Labs
📍 Seattle, United States
Building the future of developer AI for the Metaverse
🎤 Meta Connect 2025
Optimising Horizon Developer Experience for the Agentic AI Era
Featured speaker at Meta Connect 2025, presenting to 5,000+ developers with 100K+ keynote viewers. Discussing responsible development of agentic AI systems and knowledge graph architecture for safe code assistance.
💼 Experience
Lead AI Engineer
Meta Reality Labs • Developer & Pro Platforms Group
- •Building AI-driven developer platforms for the Horizon ecosystem (VR/MR, mobile, web, desktop), empowering 20K+ developers building for the Metaverse
- •Built foundational infrastructure powering agentic coding assistants, focusing on safe and reliable AI assistance. Improved code generation accuracy to 85%+ and reduced onboarding time by 60%
- •Designed novel Knowledge Graph System with 500K+ nodes powering Meta Horizon Worlds Gen AI Assistant. Achieved 78% precision and 88% recall through golden-set benchmarks. Filed patent with USPTO
Senior Software Development Engineer
Amazon • Intelligent Shopping Assistant, ShopFlow
- •Led team of 10 engineers/data scientists to build Rufus, Amazon's generative AI shopping assistant using LLMs. Tackled challenges in prompt engineering, context management, hallucination mitigation, and grounding responses in factual product data. Proposed during hackathon, acknowledged by CEO and S-Team
- •Led team of 8 engineers to build scalable ML orchestration platform using MetaFlow for model training and inference pipelines, improving infrastructure efficiency and boosting productivity of 20 teams
Software Development Engineer II
Amazon • Alexa Communications, Alexa Shopping ASR
- •Led cross-org team of 8 engineers to build ML-powered voice shopping platform for Alexa, tackling challenges in spoken language understanding, intent classification, and entity resolution. Onboarded 25 clients in 6 months
- •Led team of 6 engineers to build Alexa-Alexa calling experiences across 100s of 1P & 3P devices internationally. Invented novel drop-in experience used during COVID-19 for patient-doctor communication in US hospitals
- •Led team of 4 engineers to build automated speech recognition system using Open Source ASR Engines, focusing on long tail item recognition. Improved accuracy significantly for rare product names
Software Development Engineer I
Amazon • Retail Selection & Price Monitoring
- •Built scalable batch processing system using Apache SPARK to process PBs of Amazon Catalog data daily, implementing predictive models for demand forecasting and competitive analysis
- •Built multi-tenant distributed crawling framework to monitor & update live prices, tackling challenges in data extraction, deduplication, and real-time synchronization at scale
📜 Patents (5)
Knowledge Graph System
FILEDMeta • 2024-2025
Novel Knowledge Graph System architecture enabling context-aware code assistance through structured knowledge representation and semantic retrieval.
Voice Communication Systems
ISSUEDAmazon (Alexa) • 2021 • US11172001B1
Novel communication methodology for hands-free calling with privacy and consent management.
Speech Recognition Optimization
ISSUEDAmazon (Alexa) • 2023 • WO2021119014A1
Novel approach to improve ASR accuracy for long tail and rare entity names through adaptive language modeling.
Product Disambiguation
ISSUEDAmazon (Alexa) • 2023 • US11694682B1
Novel method for disambiguating product catalog items in voice interfaces.
Speech Error Prediction
ISSUEDAmazon (Alexa) • 2023 • US11600260B1
Predictive model for ASR error detection and correction.
⚡ Skills
AI & Machine Learning
NLP & Speech
Languages & Frameworks
Infrastructure & Tools
Leadership
🏆 Achievements
Meta Connect 2025 Featured Speaker
Meta • 2025
Presented 'Optimising Horizon Developer Experience for the Agentic AI Era' to 5,000+ developers. Featured in Connect Developer Keynote (100K+ viewers).
Meta Inventor Award
Meta • 2024
Filed patent for novel AI-driven developer experience innovations including Knowledge Graph System architecture for safe and reliable agentic coding assistance.
Amazon Inventor Award (x4)
Amazon • 2019-2023
Awarded 4 inventor awards for technical innovations in Alexa Spoken Language Understanding, Neural LLMs, and speech recognition systems.
Amazon DCCP Star Award
Amazon • 2017
Recognized as best performer in organization for outstanding technical contributions and engineering excellence.
ACM ICPC Regional Finalist
ACM • 2014-2015
Top 10 at Kharagpur 2014, Top 25 at Amritapuri 2015.
CodeChef Certified DSA Expert
CodeChef • 2018
Scored 100% (750/750) in proctored Data Structures & Algorithms examination.
TripleByte Certified Generalist
TripleByte • 2019
Certified Generalist Software Engineer.
Finetuning Large Language Models
DeepLearning.AI • 2024
Completed advanced course on LLM fine-tuning techniques.
🎓 Education
Bachelor of Engineering, Computer Science
Anna University • 2011 - 2015
📍 Chennai, India
✨ First Class with Distinction
Higher Secondary Education
All Angels Matriculation • 2010 - 2011
📍 Chennai, India
✨ 98% Aggregate, District Topper
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