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JL

James Lee

Senior Software Engineer specializing in payments and FinTech platforms

AmazonMonmouth UniversityMiddletown, NJ13 Years ExperienceSenior Level

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About

Payments infrastructure engineer with experience at Stripe and Amazon, focused on building high-scale backend systems for checkout, routing, fraud, FX, and partner onboarding. Stands out for combining startup-style execution with enterprise-scale reliability, including a 25% reduction in payment flow errors and onboarding improvements from weeks to days.

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Key Strengths

  • Backend architecture for scalable payment systems
  • Startup execution in ambiguous, fast-changing environments
  • Led multi-step transaction orchestration at Stripe
  • Reduced payment flow errors by 25%
  • Built high-throughput Go service handling 50,000+ requests per second
  • Python payment microservices supporting 100M transactions annually
  • Real-time event processing with sub-200ms latency
  • B2B platform design for multi-tenant payment partners
  • Configurable metadata- and policy-driven system design
  • Cut partner onboarding from weeks to days
  • Cross-functional API design with frontend and partner teams

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Experience

Senior Software Development Engineer-SDE3 (L6)Amazon · Feb 2023 – Mar 2026
Senior Software Development Engineer-SDE2 (L5)Amazon · Jan 2020 – Feb 2023
Senior Software EngineerStripe · May 2016 – Jan 2020
Senior Software EngineerUber · Mar 2013 – May 2016

Education

Monmouth Universitybachelor, Computer Science (2008)

Languages

English

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Connect with James

James already has a relationship with Reval, so a warm intro from us gets a much better response than cold outreach.

Typically responds within 24 hours

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Hire with Reval

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James LeeSenior Software Engineer specializing in payments and FinTech platforms