Jimmy Ly

Jimmy Ly linkedin.com/in/jimmy.ly.dev Senior Software Engineer jimmy.ly.dev@gmail. com North Andover, MA 01845 DOB 11/19/1994 - About me Seasoned Senior Full Stack Developer (Flask/Django + React/Vue) with over 10 years of experience designing, developing, and deploying high -performance web applications. Proficient in Python frameworks, including Flask and Django, for building scalable backend systems, RESTful APIs, and microservices. Extensive expertise in modern JavaScript ecosystems, leveraging Javascript/Typescript, React.js, and Vue.js to create dynamic, responsive, and user-centric front-end interfaces. Adept at integrating complex front -end and back-end architectures, optimizing application performance, and ensuring robust security practices. Skilled in agile methodologies, CI/CD pipelines, and cloud-based deployments, delivering maintainable and efficient codebases for diverse industries. Passionate about adopting emerging technologies to drive i nnovation and enhance user experiences. Work experience Senior Software Engineer (Django + React/Next) EbisusBay Remote 05/2023 – 04/2025 ● Enhanced and maintained the backend using Django while leading the frontend rewrite into React.js, integrating NFT, Dex, and GameFi features. Designed and implemented a robust backend API using Django REST framework to handle data models, user authentication, and transaction processing. ● Developed a responsive frontend with React.js and Next.js, incorporating Context API for state management, Web3 for blockchain interactions, and TailwindCSS for styling. Collaborated with QA and DevOps teams to ensure seamless integration and deployment, delivering a high-quality, scalable application. ● Implemented Atomic Design for Frontend: Introduced an atomic design methodology for the frontend using Storybook, creating a comprehensive UI library and design system built on Material UI. ● Developed user-friendly filtering functionalities that seamlessly interacted with Django backend APIs, significantly improving application performance and user experience through optimized data retrieval and rendering. ● Integrated blockchain smart contracts using Ethers.js and TypeChain on the frontend, while leveraging Web3.py for backend Ethereum interactions in Django, ensuring robust blockchain integration. ● Achieved 90% test coverage by writing comprehensive unit and E2E tests for both frontend (using Jest, Cypress) and backend (using pytest and Django testing tools), enhancing code reliability. ● Continuously enhanced both frontend and backend performance by implementing caching mechanisms and optimizing database queries in Django, and utilizing code splitting and lazy loading in Next.js. Led the transition from biweekly releases to a continuous delivery model, reducing time-to-market and improving deployment frequency. ● Participated in architectural design, defining integration points between Django and Next.js to handle complex blockchain processes efficiently. Work experience Senior Frontend Developer (React.js) Netflix, Inc Los Gatos, CA, US 04/2021 – 05/2023 ● Developed Ozark-UI, a supplier onboarding platform for Netflix using React, Context API, Hawkins- Netflix’s internal UI framework, Datagrid, Karbon for E2E testing, etc. ● Built the reusable components using Hawkins and provided descriptive documentation with the examples in the storybook. ● Troubleshot some important production bugs while working closely with customers and stakeholders, boosting the user experience to the next level. ● Boosted performance and code quality to the next level, and contributed to internationalization. ● Integrated RESTful APIs efficiently using Axios and managed global application state seamlessly through Context API and custom hooks. ● Collaborated closely with backend teams to define JSON contract structures and optimized data flow for high-volume supplier onboarding workflows. ● Refactored legacy codebase to modern React patterns, reducing tech debt and improving maintainability across multiple modules. ● Contributed to test automation by extending Karbon test suites and increasing coverage for critical components with unit and E2E tests. ● Built new reusable calligraphy components under atomic design pattern and pattern library components that interact with Contentful data. Senior Software Developer (Django + Vue) Parse Pay Inc Roseville, CA, US 01/2019 – 03/2021 ● Developed front-end website architecture and reusable UI components using Vue.js and PrimeVue, streamlining development and boosting team productivity. ● Built a web interface in Vue to perform CRUD operations on tasks involving large file uploads, enhancing a Django-based workflow pipeline's performance by 60%. ● Designed and implemented a credit-based payment system with premium plans, integrating Stripe API via Django views to securely handle online transactions. ● Translated wireframes into Vue components and designed a mobile-friendly UI, ensuring consistent cross-device user experiences. ● Refined front-end and back-end collaboration in a fast-paced environment by enforcing clean coding standards and Django best practices. ● Applied responsive design techniques using Vue and CSS frameworks to ensure seamless functionality across desktops, tablets, and mobile devices. ● Worked closely with UX designers and Django backend developers to integrate RESTful API endpoints into the frontend, delivering fluid and intuitive user experiences. Full-Stack Developer (Django) GoPanache Petaluma, CA, US 08/2015 – 12/2018 ● Developed an goPanache main admin portal application from the ground up using Python/Django, PostgreSQL, Redis, Bootstrap/Javascript and AWS services. ● Configured fallback fonts for the application, enhancing the Lighthouse score by 14 points on both mobile and desktop. ● Conducted thorough code reviews to identify potential issues, ensure adherence to coding standards, and promote best practices across the development team. ● Boosted the project infrastructure, optimizing the performance and enhancing code quality to the next level, and made major changes to the existing application’s user interface, web services, database, and wrote many unit/e2e tests with over 95% coverage. ● Oversaw technical issues and troubleshooting requests to resolve user problems. Web Developer Intern Github 03/2015 – 07/2015 ● By joining GitHub’s teams and contributed to impactful projects. Wrote custom HTML and javascript for exisiting websites, and developed user interfaces. ● Developed interactive prototypes using HTML, CSS, Javascript and jQuery for client presentations and feedback sessions, and studied user requirements to gain strong understanding of project initiatives and deadlines. ● Collaborated with cross-functional teams to design, develop, and launch innovative web applications, and helped write unit tests using Mocha and Chai to improve frontend reliability. ● Collaborated with senior developers through pull requests, code reviews, issue tracking on Github repositories and participated in daily asynchronous stand-ups using Slack and Github issues to coordinate across the time zones Education Computer Science University of Massachusetts Amherst (UMass Amherst) 01/2011 – 01/2015 Bachelor of Science, Computer Engineering Certifications Fullstack Certification (Triplebyte) Javascript Certification (Sololearn) Problem Solving Certification (Sololearn) Skills Client-side Technologies - JavaScript Frameworks & Libraries: Vue.js, React.js, Angular, Svelte, NgRx, RxJS, jQuery - State management solutions: Redux, Mobx, Context API, Vuex/Pinia, Zustand - UI/UX & Styling: Bootstrap, Tailwind CSS, Material-UI (MUI), Ant Design, Chakra UI, Keen UI, … - CSS preprocessors: SCSS/SASS, LESS, Stylus - Front-End API Integration: Fetch API/Axios, React Query, Apollo Client (GraphQL), WebSockets, AJAX - Blockchain Integration: Web3.js, Ethers.js - Data Visualization: D3.js, Chart.js, ApexCharts, Recharts, Highcharts - Testing Libraries: Jest, Mocha, Vitest, Cypress, Selenium Server-side Technologies - Languages / Frameworks: Python (Flask, Django ORM, Django REST Framework-DRF), PHP, Java - Database Layer: Relational - MySQL, MongoDB, PostgreSQL, SQLite, Non-Relational – MongoDB, Redis - Frontend Integration: Template Engine(Django Template, Jinja), FE frameworks Static Asset Management(Webpack/Vite, Django-compressor, Django Static Files) - Backend Services: Task Queues(Celery, Django-RQ), Caching, Search(Elasticsearch, Haystack), Email Services(Django’s Email Backend, SendGrid/Mailgun) - Authentication/Authorization: Third-Party Auth(Django-allauth, Django-oauth-toolkit, Django-rest-auth) Django Authentication, JWT - Cloud & DevOps: Cloud Providers - AWS(EC2, ECS, Elastic Beanstalk, Lambda), Azure, GCP Docker, Nginx, uWSGI, Kubernetes, Heroku, DigitalOcean, Severless(Zappa) CI/CD – Github Actions, Gitlab CI, Jenkins, CircleCI - Monitoring/Logging: Sentry, Prometheus + Grafana, Django’s Logging, ELK Stack Agile Development & Software Development Lifecycle (SDLC) - Methodologies: Agile, Scrum, Kanban, Test-Driven Development (TDD), Behavior-Driven Development - Version Control & Code Collaboration: GitHub, Gitlab, Bitbucket, SVN - Collaboration & Productivity: Jira, Confluence, Figma, Adob XD, MS Office Suite - IDE: PyCharm, VS Code, Sublime, Vim