Ryosuke Katsuki
Founder & Principal Engineer @Ignitusai
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WORK HISTORY
Founder & Principal Engineer @Ignitusai
GB
Leading ML and data-driven solution design, application development, backend engineering and AI implementations for multiple high-growth startups and corporate ventures.Platform Scaling & Architecture:• Architected and scaled consumer platform to 4M+ daily active users with sophisticated buyer-seller matching algorithms and real-time inventory management achieving millisecond response times• Built advanced search functionality and recommendation engines processing millions of daily queries with instant-feel responsiveness despite complex real-world constraintsAI & ML Implementation:• Implemented AI assistant for video sales calls increasing call efficiency 15% and sales conversion 8% through real-time video analysis, sentiment detection, and context-aware recommendations• Developed solutions for major enterprise clients demonstrating how tightly-integrated AI creates business value versus bolted-on implementationsBlockchain & DeFi Systems:• Architected cryptocurrency payment processing, P2P trading orderbook, and blockchain integration for Web3 marketplace platform• Built real-time matching engine handling order lifecycle management, settlement, and risk controls• Designed secure custody solutions and multi-signature wallet infrastructureTeam & Operations Transformation:• Led distributed teams across software, data, and systems engineering disciplines• Transformed client\'s offshore waterfall development into agile in-house operation, increasing productivity 48%• Improved data pipeline efficiency 72% and project throughput 20% through architectural optimization and automationKey Clients: SoftBank, ReachLocal, Epson, Brother, Web3 marketplaces, healthcare ventures, fintech startups
EDUCATION
University of California, Berkeley
Bachelor's degree, Computer Science
Zurich International School
High School Diploma
HEC Paris
Master of Business Administration - MBA
Hitotsubashi ICS (Hitotsubashi University Business School)
Master's degree, International Corporate Strategy
SKILLS
ABOUT RYOSUKE KATSUKI
I build platforms used by millions daily and the organizations that power them. From Silicon Valley to leading 700+ technical staff across APAC, my career has centered on solving problems at the intersection of real-time data, consumer experience and business scale. Whether architecting Apple-acquired multi-modal apps, scaling platforms to 100M+ users, delivering high-volume transaction systems for telecoms and retailers, or pioneering AI before mainstream adoption, my focus is creating measurable business impact through technical excellence.ApproachThe best solutions emerge when technology and business models align. At HopStop, I didn\'t just integrate 600+ transit data sources—I built the real-time pipeline enabling expansion to 60+ markets with 99% uptime and sub-second response. That foundation directly supported the business strategy leading to its acquisition. This philosophy has guided my work across industries. At THX Games, I led platforms serving 100M+ MAU across 19 markets with unique integrations. At Whalr, I co-founded and scaled to $4M ARR by pioneering AI/ML pipelines, creating competitive advantages for large enterprises.LeadershipI\'ve built engineering teams from 0 to 80+ and managed organizations of 700+. My approach: hire exceptional talent, set clear standards, empower ownership. I managed Pactera\'s $8M R&D while driving academic-industry partnerships producing peer-reviewed publications. At Kontagent, I doubled revenue every six months by embedding engineers with clients for co-development.Quantitative TradingAlongside, I\'ve spent 7+ years developing systematic trading systems—forex, then cryptocurrency markets. I built a proprietary crypto arbitrage engine in Cython/C achieving Sharpe ratio >26 through low-latency execution and real-time opportunity detection. Building profitable trading systems—where code quality and architecture directly translate to measurable outcomes—has deepened my technical rigor in low-level and network programming.Current FocusAs Contract CTO, I help high-growth startups scale, implement AI where it creates business value, and build engineering cultures shipping fast with quality. Recent work: AI apps reaching 4M DAU, video sales optimization driving 8% revenue lift, infrastructure achieving 72% efficiency gains.FoundationCS degree UC Berkeley; MBA HEC Paris; Hands-on expertise across distributed systems; cloud platforms; AI/ML;and real-time processing.I\'m energized by opportunities where technical innovation shapes everyday life—navigating cities, making purchases, accessing healthcare.
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