# Leo L. > Software Engineer at Sigma Location: San Francisco Bay Area, United States Profile: https://flows.cv/leol Software Engineer specializing in frontend and full stack development, with a knack for building responsive, scalable web applications using React, Next.js, and Redux. I thrive on solving complex problems through clean design and intuitive user experiences. At Sigma, I’m currently focused on expanding the capabilities of input tables and unlocking new data app use cases, empowering users to build powerful, interactive workflows with ease. Whether it’s architecting new features or optimizing performance, I love turning ideas into impactful, user-friendly solutions. Previously at Circolo, I led development on AI-powered conversational tools and dynamic hospitality platforms, deploying across AWS, Heroku, and Cloudflare. From cloud infrastructure to A/B testing, my work has always centered around creating thoughtful, polished experiences that scale. I’m always curious, always building, and always up for a challenge. Let’s connect and explore how technology can shape better, smarter tools for the world. ## Work Experience ### Software Engineer @ Sigma Jan 2024 – Present | San Francisco, California, United States - 参与了 App Writeback 团队的前端开发工作,使用 React 技术。 - 处理并解决由支持工程师传递的内部和外部反馈。 - 解决了 Jira 工单并修复了多个 bug,改进了应用程序功能。 - 开发了符合公司战略的项目,以提升平台对数据驱动型应用的支持能力。 ### Software Engineer @ Circolo Jan 2023 – Jan 2024 | San Mateo, California, United States - 使用 Next.js、React 和 Redux 领导了全栈开发。 - 交付了3个以上具有离线功能的移动优化渐进式网页应用(PWA)。 - 在 Amazon Web Service、Heroku 和 Cloudflare 上管理部署流程及网站管理员职责。 - 通过少样本提示工程(few-shot prompt engineering)集成了使用 ChatGPT API 的 AI 解决方案。 - 进行可用性测试和 A/B 测试,使客户满意度提高了28%。 - 使用 Sentry 进行系统监控和错误跟踪,保持高系统可靠性。 - 与国际团队成员在混合团队环境中协作。 ### Graduate Teaching/Research Specialist @ Cornell University Jan 2023 – Jan 2023 | Ithaca, New York, United States - 协助教授协调康奈尔大学 CS 4300(语言信息)课程,课程规模超过200名学生。 - 因在该课程中表现优异以及在自然语言处理和人工智能方面的专业能力而被选中。 - 负责批改作业、中期考试和期末考试。 - 在指定办公时间为学生提供学术支持。 ### Graduate Teaching/Research Specialist @ Cornell University Jan 2022 – Jan 2022 | Ithaca, New York, United States - 协助教授管理康奈尔大学 CS 4320(数据库系统导论)课程,课程规模超过350名学生。 - 负责批改作业、中期考试和期末考试。 - 在指定办公时间为学生提供学术帮助。 ### Frontend Developer Intern @ Circolo Jan 2022 – Jan 2022 | Shenzhen, Guangdong, China - 使用 Next.js 重新发布公司网站,页面加载时间减少了40%。 - 集成了 Shopify API 和 GraphQL,创建了全新的店面。 - 使用 React 和 Redux 提供了更高水平的控制和自定义。 - 通过 GitHub Actions 管理部署和持续集成。 - 在 Cloudflare 上处理网站管理员职责,确保重新发布时的停机时间最小化。 ## Education ### Master of Engineering - MEng in Computer Science Cornell University ### Bachelor of Science - BS in Information Science, Computer Science, Game Design Cornell University ### Computer Science New York University ### High School Diploma New Hampton School ## Contact & Social - LinkedIn: https://linkedin.com/in/wenhao-leo-liang - GitHub: https://github.com/foxhatleo - Portfolio: https://leoliang.com --- Source: https://flows.cv/leol JSON Resume: https://flows.cv/leol/resume.json Last updated: 2026-04-11