Senior Software Engineer - Commercial Payments at American Express
Sparks, Nevada, United States
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Summary
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Bryan Peterson is a Senior Software Engineer with 10 years of experience building high-throughput, production-grade backend systems, currently focused on commercial payments at American Express. He designs and implements distributed services using Kotlin, Java, Node.js and cloud-native tooling (AWS, EKS, Terraform), with hands-on expertise in databases (Aurora Postgres, Couchbase), S3-based document pipelines, and API platform architecture. At Amex he led the Commercial API/Experience Layer workโcreating no-code/low-code B2B APIs, partner sandboxes, and security primitives like mTLS and a2a JWTsโwhile also delivering performance and availability improvements in expense and statement services. He has a strong background in low-latency trading systems from Citigroup and a history of applying DevOps practices (CI/CD, observability, blue/green) to stabilize and scale services. Based in Sparks, Nevada, Bryan pairs pragmatic engineering with API-first design and a knack for turning complex compliance and security requirements into usable developer platforms.
9 years of coding experience
12 years of employment as a software developer
Bachelor of Science - BS, Computer and Information Systems Security/Information Assurance, Bachelor of Science - BS, Computer and Information Systems Security/Information Assurance at College of Charleston
Contributions:7 PRs, 33 pushes, 1 branch in 6 days
express-sequelizesequelizeexpressnodejshtml5
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Bryan Peterson - Senior Software Engineer - Commercial Payments at American Express