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Hi, I’m Brian Tseng, a senior software engineer based in Rancho Palos Verdes, California, with over a decade of experience building fintech infrastructure and scalable backend systems for financial transactions and data security. I specialize in distributed systems, API design, and AI/ML integrations for fraud detection and real-time analytics, always applying SOLID principles and focusing on high availability and maintainability across complex fintech platforms.…Hi, I’m Brian Tseng, a senior software engineer based in Rancho Palos Verdes, California, with over a decade of experience building fintech infrastructure and scalable backend systems for financial transactions and data security. I specialize in distributed systems, API design, and AI/ML integrations for fraud detection and real-time analytics, always applying SOLID principles and focusing on high availability and maintainability across complex fintech platforms.

Brian Tseng

Full Stack Developer, Back-End Developer, Front-End Developer, +2

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Hi, I’m Brian Tseng, a senior software engineer based in Rancho Palos Verdes, California, with over a decade of experience building fintech infrastructure and scalable backend systems for financial transactions and data security. I specialize in distributed systems, API design, and AI/ML integrations for fraud detection and real-time analytics, always applying SOLID principles and focusing on high availability and maintainability across complex fintech platforms.…Hi, I’m Brian Tseng, a senior software engineer based in Rancho Palos Verdes, California, with over a decade of experience building fintech infrastructure and scalable backend systems for financial transactions and data security. I specialize in distributed systems, API design, and AI/ML integrations for fraud detection and real-time analytics, always applying SOLID principles and focusing on high availability and maintainability across complex fintech platforms.

Available to hire

Hi, I’m Brian Tseng, a senior software engineer based in Rancho Palos Verdes, California, with over a decade of experience building fintech infrastructure and scalable backend systems for financial transactions and data security.

I specialize in distributed systems, API design, and AI/ML integrations for fraud detection and real-time analytics, always applying SOLID principles and focusing on high availability and maintainability across complex fintech platforms.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

Software Engineer at Plaid

June 1, 2024 - Present

Led collaborative efforts on distributed systems architecture for Plaid's core payment processing platform, integrating microservices and concurrency controls to handle millions of transactions daily, reducing latency by 15% through optimized API design and fault tolerance mechanisms.

Staff Software Engineer at Cash App

August 1, 2022 - March 1, 2024

Developed backend platforms for Cash App's transaction processing using Go and microservices to ensure scalability and secure financial data flows; advanced system design for payment verification, applying concurrency and fault tolerance to minimize failures; integrated CI/CD pipelines with Docker to deploy distributed systems and maintain high availability; contributed to ML-based analytics by optimizing data structures and PyTorch-based models for user insights.

Senior Software Engineer at NerdWallet

August 1, 2016 - August 1, 2022

Built scalable backend services for NerdWallet's financial recommendation engines using Java and SQL, engineered APIs for content delivery with concurrency controls and load balancing, and developed testing strategies to uphold integrity in high-availability operations; optimized ETL data pipelines with Python; integrated message queues for asynchronous processing in authentication systems; refactored legacy code using SOLID and deployment with Kubernetes; enhanced ML tooling integrations for better recommendation accuracy.