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Hi, I’m Wenlai Zhang (Bill). I’m a Senior Software Engineer with 10+ years of experience delivering high-quality web and mobile applications across diverse organizations. I thrive on designing robust architectures, writing clean code, and shipping features that make a real impact for users and businesses. I enjoy collaborating with product, design, and QA teams, mentoring junior engineers, and continuously improving development processes through automated testing, CI/CD, and performance optimization. In my spare time I stay curious about new technologies and find ways to apply them to real-world problems.…Hi, I’m Wenlai Zhang (Bill). I’m a Senior Software Engineer with 10+ years of experience delivering high-quality web and mobile applications across diverse organizations. I thrive on designing robust architectures, writing clean code, and shipping features that make a real impact for users and businesses. I enjoy collaborating with product, design, and QA teams, mentoring junior engineers, and continuously improving development processes through automated testing, CI/CD, and performance optimization. In my spare time I stay curious about new technologies and find ways to apply them to real-world problems.

Wenlai Zhang

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

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Hi, I’m Wenlai Zhang (Bill). I’m a Senior Software Engineer with 10+ years of experience delivering high-quality web and mobile applications across diverse organizations. I thrive on designing robust architectures, writing clean code, and shipping features that make a real impact for users and businesses. I enjoy collaborating with product, design, and QA teams, mentoring junior engineers, and continuously improving development processes through automated testing, CI/CD, and performance optimization. In my spare time I stay curious about new technologies and find ways to apply them to real-world problems.…Hi, I’m Wenlai Zhang (Bill). I’m a Senior Software Engineer with 10+ years of experience delivering high-quality web and mobile applications across diverse organizations. I thrive on designing robust architectures, writing clean code, and shipping features that make a real impact for users and businesses. I enjoy collaborating with product, design, and QA teams, mentoring junior engineers, and continuously improving development processes through automated testing, CI/CD, and performance optimization. In my spare time I stay curious about new technologies and find ways to apply them to real-world problems.

Available to hire

Hi, I’m Wenlai Zhang (Bill). I’m a Senior Software Engineer with 10+ years of experience delivering high-quality web and mobile applications across diverse organizations. I thrive on designing robust architectures, writing clean code, and shipping features that make a real impact for users and businesses.

I enjoy collaborating with product, design, and QA teams, mentoring junior engineers, and continuously improving development processes through automated testing, CI/CD, and performance optimization. In my spare time I stay curious about new technologies and find ways to apply them to real-world problems.

Skills

Experience Level

Expert

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Intermediate

Work Experience

Senior Software Engineer at DoorDash

August 1, 2022 - Present

Built the Schedule tab for the Dasher web and mobile applications using React.js and React Native, enabling drivers to view, reserve, and manage delivery shifts in advance, significantly enhancing usability and engagement in high-demand markets. Integrated Safe Chat, an AI-powered chatbot backed by OpenAI's GPT APIs, into the Schedule tab to facilitate automated, context-aware interactions for enhanced user support. Maintained platform modules built with Angular and Vue.js, improving reliability and ensuring performance consistency across the system. Developed Node.js back end services deployed on AWS using Lambda, API Gateway, and S3, implementing RESTful APIs and monitoring with CloudWatch to ensure scalability, reliability, and operational transparency. Leveraged Redux to manage app-wide state effectively, minimizing props drilling and supporting future scalability. Established automated testing workflows using Jest and Cypress, reducing regression risks and ensuring production stab

Senior Software Engineer at Microsoft

August 1, 2022 - September 23, 2025

Engineered core components of Bing Places for Business using React.js and Next.js, designed scalable microservices with Node.js, Django, and Spring Boot; configured Azure CI/CD; built RESTful APIs; managed data persistence with SQL Server and Azure Cosmos DB; advocated UI engineering best practices; collaborated with cross-functional teams to deliver high-quality features.

Software Engineer at Support.com

January 1, 2017 - September 23, 2025

Contributed to the development of Tech Solutions, a consumer-facing support portal, by building user-friendly web interfaces with React.js and improving troubleshooting flows for customers.