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Jayzbrown — Senior Software Engineer from Nigeria

Jayzbrown

Senior Software Engineer

Nigeria 6+ years
Open to offersNew to Platform
Languages
English
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About

Jay B. is a seasoned Full-Stack Engineer with over six years of experience in building scalable web applications and distributed systems. Based in San Francisco, CA, he has driven significant technical innovations as a Senior Software Engineer at Stripe, where he architected a high-performance fraud-scoring pipeline in Go, processing 50k transactions per second. Jay contributed to reducing API error rates and shipping critical features that expedited merchant activation processes. His tenure at Vercel involved enhancing the Edge Runtime, thereby achieving a 60% cold-start improvement, and developing a widely adopted internal A/B testing SDK. During his time at Thoughtworks, he delivered full-stack features for healthcare SaaS products and significantly increased team test coverage. An advocate for open-source, Jay has developed tools like 'Fascia', a TypeScript framework, and 'pg-stream', a Go library. His strong proficiencies include TypeScript, React, Node.js, AWS, and Docker. Jay holds a B.S. in Computer Science from Lagos State University.

Experience

  • Senior Software Engineer

    Stripe · 2022 — Present
    Designed a real-time fraud-scoring pipeline in Go, capable of processing 50,000 transactions per second with sub-10ms p99 latency. Improved API error rates by 35% through the implementation of circuit-breaker patterns in 8 microservices. Provided mentorship to 4 engineers and facilitated bi-weekly architecture reviews for the payments platform team. Developed Connect onboarding v2, reducing merchant activation time significantly.

  • Software Engineer

    Vercel · 2020 — 2021
    Enhanced core functionalities for the Edge Runtime (V8 isolates), achieving a 60% improvement in cold-start performance. Created an internal A/B testing SDK that became a valuable resource for 12 product teams within the organization. Optimized the CI pipeline caching approach, decreasing the average build duration from 8 minutes to 2.5 minutes.

  • Software Developer

    Thoughtworks · 2018 — 2020
    Developed full-stack features for a healthcare SaaS product utilizing React, Django, and PostgreSQL. Advocated for the adoption of Test-Driven Development (TDD), which resulted in a substantial increase in team test coverage from 42% to 87% within two quarters.

Skills & Expertise

ERP ConsultantGolang DeveloperCMSFull Stack DeveloperDevOps Engineer

Education

  • Bachelor of Science
    Lagos State University · 2014 — 2018