Panda Xu Email & Phone Number

New York, Ny, Us

• Leading Fun's backend team to build the best web3 cross-chain payment experience. Check out our stuff at fun.xyz and app.fun.xyz. • Building the backbone of the FunWallet SDK, our core product for people to create blockchain's most advanced smart wallet with account abstraction. We believe in the future of web3 banking.• Leading, building, and maintaining the development of highly robust cloud-native infrastructure (IaC), DevOps, and backend services that power our core SDK and web3 products. All our infra code is audited and stress tested. • Built a scalable and secure cloud infrastructure on AWS, integrated with auto-scaling, load-balancing, and network-level security using AWS API Gateway. Employed a range of cloud-native techs. The entire infra is automated through CloudFormation and the deployer server, integrated with automated pipelines.• Built on-demand testing pipeline that is capable of replicating production environments. This allows for comprehensive testing of code changes using cloud components such as API Gateway, testing databases, EC2, and VPCs, all launchable with a single CLI command, Webhook commands, or GitHub workflow. Along with a build system for packaging various code sources including smart contracts, SDK, micro-services, and CloudFormation infra. This system supports isolated environments for unit and integration testing.• Built the backend system that serves as the key interface for the core product to securely interact with downstream resources featuring advanced functionalities including management of smart contract and digital assets, user access control and authentication, blockchain operations over RPC, webhooks, caching and indexing, integrated crypto-fiat payment services, and transaction sponsoring (Paymaster in ERC-4337)• Implemented and managed cloud-native DevOps processes, encompassing a performance monitoring and paging system. Oversaw a suite of cloud resources for the team.

Seattle, Wa, Us

• Developed and deployed cloud services and new features in the Amazon Payment ecosystem, serving billions of internal and external customers.• Designed and implemented optimization and simplification solutions for Tier1 Amazon Payment backend APIs, resulting in improved performance and latency.• Supported and maintained the operations of central payment APIs, internal CI/CD pipelines, monitoring services, and cloud infra.• Experienced in utilizing a variety of design patterns such as dependency injection and multi-threading to create reusable solutions for the Amazon payment authentication source service.• Experienced in open-source backend testing frameworks such as Mockito for unit testing, Cucumber for integration testing, and Swagger for API testing.• Experienced in Coral Backend(Java), AWS CDK, Dynamo DB, SNS/SQS, EC2, Weblab (A/B testing), and other Amazon internal infrastructures.

Minneapolis, Minnesota, Us

Mainly doing web development:• Designed and built a distributed web-based student transit management system end-to-end• Built a dynamic web app using: Vue.js for frontend framework, Bootstrap and Tailwind for styling, and other build tools and libraries such as Webpack, Babel, npm, jQuery, Axios, Lodash, etc with a great understanding of responsive design and cross-platform compatibility • Developed a back-end web server using Django framework with RESTful APIs, MySQL for database, Celery for async task queue.• Optimized the performance and reduced the latency using Vuex for client-side caching, Memcached for server-side memory-caching, database caching using RabbitMQ for task scheduling, and pagination to reduce the payload• Experienced in Continuous Integration/Continuous Delivery (CI/CD) tools such as Jenkins for scalability and efficiency of the system.

Minneapolis, Minnesota, Us

• Designed and developed a Chrome extension using ReactJS and JQuery that automates the ticketing system using Sprinklr APIs, improving team productivity by reducing manual data entry by 70%.• Implemented browser caching to significantly improve performance, reducing load times and minimizing API requests to Sprinklr, resulting in cost savings for the business.• Utilized React's component architecture, lifecycle hooks, and Axios library to build a highly modular and scalable solution that could be easily extended in the future.• Created a user-friendly interface to automatically fill out the ticketing system• Assembled API calls to collect data from social media platforms for sentiment analysis• Experienced in software development methodologies such as Agile (Scrum), Software prototyping, and teamwork environments• Experienced in software development using project management tools such as Trello, Microsoft Planner, etc

• Managed and maintained over Linux and Windows-based devices across UMN’s on-prem server centers, labs, and cloud (Azure) infrastructure, using SCCM and Ansible to automate deployments and configuration management in Bash and Powershell scripts• Created and maintained boot media and task sequences for physical and remote reimaging, and supported network and system performance and security, including managing DNS, DHCP, and IP address• Provided hardware and software troubleshooting and maintenance• Provided IT maintenance including reimaging, building task sequences and boot media, and hardware/software troubleshooting• Managed systems such as Windows, macOS, Ubuntu using SCCM client, JAMF, and PowerShell script• Experienced in using ticketing systems such as ServiceNow and TeamDynamic

Master Of Science - Ms, Information Systems In Connective Media

Bachelor'S Degree, Computer Science

Bachelor'S Degree, Public Administration - Labor And Social Security