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I'm a versatile Senior Software Engineer specializing in Node.js backend development with strong frontend skills in React and Angular. I thrive on building scalable, high-performance APIs, real-time applications, and data platforms that power great user experiences. I excel in cloud-native architectures (AWS, Azure), containerization, and automated testing, and I continuously improve CI/CD processes in agile teams. I value reliability, collaboration, and delivering measurable improvements in performance and maintainability.…I'm a versatile Senior Software Engineer specializing in Node.js backend development with strong frontend skills in React and Angular. I thrive on building scalable, high-performance APIs, real-time applications, and data platforms that power great user experiences. I excel in cloud-native architectures (AWS, Azure), containerization, and automated testing, and I continuously improve CI/CD processes in agile teams. I value reliability, collaboration, and delivering measurable improvements in performance and maintainability.

Carl Zhang

Web Developer, Front-End Developer, Back-End Developer, +2

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I'm a versatile Senior Software Engineer specializing in Node.js backend development with strong frontend skills in React and Angular. I thrive on building scalable, high-performance APIs, real-time applications, and data platforms that power great user experiences. I excel in cloud-native architectures (AWS, Azure), containerization, and automated testing, and I continuously improve CI/CD processes in agile teams. I value reliability, collaboration, and delivering measurable improvements in performance and maintainability.…I'm a versatile Senior Software Engineer specializing in Node.js backend development with strong frontend skills in React and Angular. I thrive on building scalable, high-performance APIs, real-time applications, and data platforms that power great user experiences. I excel in cloud-native architectures (AWS, Azure), containerization, and automated testing, and I continuously improve CI/CD processes in agile teams. I value reliability, collaboration, and delivering measurable improvements in performance and maintainability.

Available to hire

I’m a versatile Senior Software Engineer specializing in Node.js backend development with strong frontend skills in React and Angular. I thrive on building scalable, high-performance APIs, real-time applications, and data platforms that power great user experiences.

I excel in cloud-native architectures (AWS, Azure), containerization, and automated testing, and I continuously improve CI/CD processes in agile teams. I value reliability, collaboration, and delivering measurable improvements in performance and maintainability.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

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Expert

Expert

Language

English

Fluent

Work Experience

Senior Software Engineer at SoFi

July 1, 2024 - Present

Developed scalable streaming and workflow platforms using Node.js, Kafka, and Azure Functions for real-time data processing with 99.99% uptime; Architected RESTful APIs with Express.js handling 10,000+ concurrent users; Designed React and Angular dashboards with Storybook and Tailwind CSS to reduce UI development time; Implemented Redis pub/sub for event-driven microservice communication; Leveraged AWS Lambda and Azure Blob Storage lifecycle policies to cut cloud costs by 40%; Conducted Jest snapshot and unit testing achieving 90%+ coverage.

Software Engineer at SoFi

March 1, 2023 - July 1, 2024

Built high-throughput data platforms with Node.js and React, integrating Next.js for server-side rendering to improve SEO and speed; Utilized Redux for state management and refactored legacy components using React Custom Hooks and higher-order components, reducing code complexity by 35%; Implemented real-time updates with Socket.io enabling collaborative features in task management applications; Created robust database interactions using Sequelize, reducing query response times by 50% and ensuring data integrity over millions of records; Automated frontend and backend tests with Jest, Cypress, and JUnit parameterized tests, improving test maintenance and code reliability.

Software Engineer at Stripe

July 1, 2021 - November 1, 2022

Developed and optimized customer-facing applications with React and backend services with Node.js and Express.js; Built and secured RESTful APIs using AWS API Gateway and DynamoDB, achieving scalable, low-latency response times; Implemented snapshot testing with Jest and Tailwind CSS styling for consistent, responsive design across devices; Designed and deployed containerized microservices with Docker and Kubernetes, enabling zero-downtime deployments and auto-scaling.

Software Engineer at Bloomberg LP

September 1, 2019 - June 1, 2021

Engineered backend microservices with Node.js and Java Spring Boot, leveraging gRPC for high-performance inter-service communication; Developed middleware for request logging, authentication, and error handling to improve debugging and system security; Used Grafana and Prometheus for system monitoring and anomaly detection, facilitating proactive incident resolution; Designed real-time data visualizations with D3.js and Chart.js, enhancing client dashboards with interactive analytics.

Software Engineer at CAST Group of Companies

May 1, 2017 - August 1, 2018

Created reusable React components, integrating Redux for state management and using Storybook to streamline UI development; Enhanced frontend performance via Webpack optimizations and implemented interactive charts using D3.js; Automated business workflows with Azure Event Grid, and integrated payments securely via Stripe API and communication features via Twilio.

Notable Software Engineer at SoFi

March 1, 2023 - July 1, 2024

Developed high-throughput data platforms with Node.js and React; integrated Next.js for server-side rendering to improve SEO and speed. Used Redux for state management; refactored legacy components with React Hooks and HOCs to reduce code complexity by 35%. Implemented real-time updates with Socket.io for collaborative features in task management applications. Created robust database interactions using Sequelize, reducing query response times by 50% across millions of records. Automated frontend and backend tests with Jest, Cypress, and JUnit parameterized tests.