Guo Xiaofeng
Summary
Results-driven Full Stack Software Engineer with +10years of experience designing, developing, and deploying scalable web applications. Proficient in both front-end and back-end development, with expertise in JavaScript, React, Node.js, Python, PHP, and SQL/NoSQL databases. Strong background in API development, cloud computing (AWS, Azure), and DevOps practices to enhance system performance and reliability.
Passionate about building intuitive UI/UX experiences, optimizing website performance, and ensuring seamless integration of third-party services, payment gateways, and RESTful APIs. Adept at working in Agile/Scrum environments, collaborating cross-functionally, and leading development teams to deliver high-quality software solutions.
Committed to continuous learning, staying updated with the latest technologies, and delivering innovative solutions that drive business growth.
Core Skills & Technologies:✔ Front-End: React.js, Vue.js, Angular, HTML5, CSS3, Tailwind, Bootstrap
✔ Back-End: Node.js, Express, Django, Flask, PHP (Laravel, Symfony)
✔ Databases: MySQL, PostgreSQL, MongoDB, Firebase
✔ API Development: RESTful & GraphQL APIs, WebSockets
✔ Cloud & DevOps: AWS, Azure, Docker, CI/CD, Kubernetes
✔ Version Control & Collaboration: Git, GitHub, GitLab, Bitbucket
Ready to contribute technical expertise, problem-solving skills, and a results-oriented mindset to drive digital transformation and innovation.
Overview
12
12
years of professional experience
Work History
Senior Python / React Developer
WebPoint
04.2022 - 09.2024
- Implemented features and enhancements of listing, search, filtering, interactive forms for custom inquiries and purchases using Typescript, React 17, GraphQL, Django REST, PostgreSQL, GCP, etc.
- Created custom High-Order Components, Hooks, and utility methods that empower the team development.
- Designed and implemented a robust Django server and highly scalable database schema, supporting a 20% increase in customer base and a 15% reduction in system downtime.
- Documentation of the web applications’ architecture, components/services diagram, and workflows to facilitate knowledge sharing within the development team.
Senior Python / React Developer
Walmart
12.2019 - 03.2021
- Debugged and troubleshot existing code, identifying and addressing performance bottlenecks and minimizing production issues by 30%.
- Emerged authentication, identification, and authorization with SMS OTP, Push Notification, and QR.
- Implemented Third-party SDKs such as Redis, Stripe, Sentry.io, and Mixpanel for enhanced debugging, payment processing, and user activity
- SEO in Learning, Library, and Navigation Next.js pages, leading to a 30% increase in page views per session.
- Wrote custom Python code to extend Django applications, resulting in a 30% reduction in development time and a 15% increase in overall code quality.
WordPress Developer
Panacea Financial, a Division of Primis Bank
02.2016 - 12.2019
- Built a custom integration between Hubspot, IDoloy, and Persona to verify the identity of visitors when submitting lead forms for pre-approval of credit.
- Worked with marketing and design teams on the rebuild of web pages as part of a design overhaul.
- Consulted with C-suite and internal security teams in response to a DDOS ransom attack and assisted with the mitigation.
- Implemented the use of a child theme with Git version control. Moved custom code out of code snippets plugins into the theme. Added a development workflow with Git deployments and automated QA processes.
- Made performance improvements, including dequeuing unused scripts and styles, removing unused plugins, optimizing CSS and JSS, ensuring lazy loading of images, videos, and iframes, and ensuring all images are correctly optimized and served in next-gen formats.
- Handled regular monitoring of site uptime, performance, and security.
Web Developer
Mudd Advertising
01.2013 - 01.2016
- Developed custom WordPress plugins and themes for over 100 clients.
- Provided monthly maintenance of 100+ client websites.
- Built a marketing and lead generation theme/plugin combination for WordPress, which took 15 hours to create and generated $25,000 a month in revenue for the client.
- Constructed complex websites and integrations for popular WordPress plugins, such as WooCommerce, Gravity Forms, and Advanced Custom Fields for clients of various industries.
- Developed a custom WooCommerce site with multi-vendor support that allowed different vendors to display different products on the front end, acting as if each vendor had its own store.
Education
Bachelor of Science - Computer And Information Sciences
University of Missouri
Columbia, MO03-2009
Skills
- React
- Website maintenance
- Front-end development
- Responsive design
- PHP
- Website optimization
- JavaScript expertise
- HTML
- Javascript
- Vue/Vuex
- Wordpress
- DB management
Languages
English
Professional Working
Timeline
Senior Python / React Developer
WebPoint
04.2022 - 09.2024
Senior Python / React Developer
Walmart
12.2019 - 03.2021
WordPress Developer
Panacea Financial, a Division of Primis Bank
02.2016 - 12.2019
Web Developer
Mudd Advertising
01.2013 - 01.2016
Bachelor of Science - Computer And Information Sciences
University of Missouri
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