Gabriel Klein
Chief Technology Officer @INFINIT
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WORK HISTORY
Chief Technology Officer @INFINIT
Paris, FR
NEXT-GENERATION SOFTWARE DEVELOPMENT | Leading Engineering Team Building advanced development methodologies for enterprise-scale output with lean teams: • Pioneered modern development workflows achieving 10x productivity improvements • Architected scalable systems enabling small teams to deliver enterprise-grade solutions • Led digital transformation from legacy systems to modern, automated infrastructure • Reduced development cycles by 80% through streamlined deployment processes Key Achievements: Transformed legacy codebases through systematic refactoring and modernization Implemented continuous integration/deployment with zero-downtime releases Built comprehensive developer tooling and automation frameworks Achieved enterprise performance benchmarks with 90% smaller team footprint Technologies: Full-Stack Development, DevOps, System Architecture, Team Leadership
EDUCATION
PGSM Graduate School
Computer Engineering
SKILLS
ABOUT GABRIEL KLEIN
FINTECH TRACK RECORD • Built Qonto from zero lines of code to €1B+ valuation neobank serving 500K+ businesses • First technical hire, scaled engineering from 1 to 70+ engineers • Architected core banking systems handling €40B+ in transactions • Led €40M Series B fundraise at Masteos (DST Global, daphni) • 8+ years building regulated financial infrastructure TECHNICAL LEADERSHIP • AI-Native Development: Pioneering prompt-engineering-first software architecture • Fintech Infrastructure: Payments, KYC/AML, core banking, regulatory compliance • Scale: 0-to-unicorn experience across 3 successful fintech exits • Security: Managed IT security in highly regulated banking environments • Team Building: Hired & scaled 100+ engineers across multiple startups ADVISORY & INVESTING Available for fintech startups seeking: • Technical due diligence & CTO advisory • Regulatory & compliance strategy • Team scaling & engineering culture • Product-market fit in B2B fintech • Fundraising strategy & investor introductions PORTFOLIO HIGHLIGHTS • Qonto: €0 → €1B+ valuation (VP Engineering, employee #1) • Masteos: €40M Series B (CTO, DST Global lead) • INFINIT: AI-native development platform (CTO) Let\'s connect if you\'re building the next generation of financial infrastructure.
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