Jeff Xiong

Created a user-friendly SaaS solution tailored specifically for manufacturing businesses. This MVP has two main components: a core framework for easy access and organization, which includes user details and permissions. Additionally, it offers convenient features for managing inventory, sales, and purchases, and generating essential reports and insights.

• Developed key features of a SaaS solution, focusing on scalability and performance.
• Deployed and managed app servers and databases on Tencent Cloud, AWS, and GCP.
• Handled software updates, system patches, and database upgrades with rollback plans.
• Set up a CDN and distributed file system to improve content delivery and reduce latency.
• Provided customer training to ensure smooth adoption of the solution.
• Created and maintained user manuals and FAQs for easy reference.

• Built features for the ATS system using TypeScript.
• Migrated WSDL APIs from Java to TypeScript and fixed a critical concurrency issue.
• Worked with the product team to define project scope and clarify requirements.
• Presented solutions for difficult issues to the manager.
• Debugged and optimized software for better efficiency.
• Identified key issues in the ATS system, proposed fixes, and got approval from the technical committee.

Developed innovative e-commerce project enabling installment payments for high-value electronics.

• Collaborated with product team to clarify scope, requirements, and business objectives.
• Designed project architecture with leadership partner to align with organizational goals.
• Coordinated release planning across teams to meet deadlines while managing competing priorities.
• Facilitated meetings to address issues and synchronize execution of parallel projects.
• Maintained detailed documentation to promote knowledge sharing within the team.
• Expanded team size from 3 to 11 vendor members, enhancing overall capacity.

As a key contributor on the engineering team at Lcfarm, an online financial service specializing in agriculture that collects funds and matches borrowers with appropriate lenders. My responsibilities include:

• Collaborated closely with the product team to enhance the abstract asset model and refine its functionality.
• Set up a deployment infrastructure using automated scripts in Shell or Python and a small distributed scheduled job cluster. Also, created a simulator to mimic external systems, accelerating the testing process.
• Segmented the legacy system and migrated specific components to microservices, to improve system performance and overall efficiency.
• Effectively collaborate with junior team members, offering guidance and conducting code quality reviews, while also advocating for best practices.

Morningstar WBS is a robust data processing system designed for Direct products. It efficiently processes data from over 30 years of stock exchanges worldwide, providing comprehensive insights and analysis.

• Collaboratively worked with the researcher to discover and enhance the new model.
• Led the design and implementation of new data processing flow components to handle four financial statements, transitioning from a single model to a batch model. Through this enhancement, accuracy was significantly improved from 87 percent to an impressive 97 percent.
• Provided training and coaching to the Data Analysis (DA) team on effectively utilizing the new solution. Additionally, conducted training and coaching sessions for new hires, ensuring they acquire the necessary skills to become proficient engineers within the team.

• Developed the Paipai OpenAPI platform for the merchant side of Tencent's e-commerce system, providing merchants with tools to streamline order management, publish merchandise, synchronize inventory, and perform other essential tasks. Furthermore, the platform welcomes third-party ISVs (Independent Software Vendors) to develop apps designed to aid merchants within the e-commerce ecosystem.
• Created the Fuwu System Apps Market, where e-commerce merchants can access third-party apps by ISVs. This initiative streamlines merchant operations and offers income opportunities for ISVs.
• Developed the API Gateway in collaboration with the infrastructure team, which includes features such as API registry, monitoring, rate limiting, and deployment capabilities.

• Developed additional features for the SVA analysis system and implemented enhancements for BMR configurations.
• Developed Shell script-based installation procedures to simplify the installation process of the SVA binary package. These procedures include initializing the database instance, upgrading from older versions while ensuring compatibility with existing data, and other essential tasks.
• Conducted analysis of various issues, including performance tuning and troubleshooting live site incidents.

• Developed new features allowing the issuance of prepaid cards to consumers, alongside scheduled jobs for generating daily, monthly, and quarterly reports detailing credit additions.
• Developed APIs for our collaborative partners, such as banks and online agents, to facilitate seamless integration and communication between systems.
• Analyzed various issues, encompassing performance testing and troubleshooting live site incidents.