Software Engineer Development

ZHENGJIAN LIU

New York, NY ***** ad5mkb@r.postjobfree.com GitHub LinkedIn 917-***-****

Location Preference: (open to relocate)

Work-Eligible Status: US Citizen

FULL STACK WEB DEVELOPER SOFTWARE ENGINEER

Experienced Software Engineer with 3+ years of project experience in building and refining web-based solutions. Proficient in React.js, Angular 10+ and JavaScript, TypeScript based programming, with a strong background in Computer Information Systems. Team player with interpersonal software development and a proven ability to conceptualize solutions for intricate challenges. I excel in rapid prototyping and have the aptitude to illustrate user-system interactions using diagrams.

Core Competencies

Full Stack Engineering • Software Application Development • Communication • React • Redux • Typescript JavaScript • Node.js • Express • Software Development Lifecycle (SDLC) • Project Planning • Framework Design System Maintenance • Amazon Web Services (AWS) • Pair Programming • Team Leadership • Version Control EXPERIENCE

Intel ($135.70B leading global semiconductor chip maker) 2021- 2024 Feb Software Engineer New York, NY (Remote)

● Built and maintained a suite of web-based solutions, including content management and air update systems, utilized across 3000+ retail stores and 20,000+ devices, streamlining operations and enhancing content delivery.

● Leveraged full-stack technologies and frameworks - such as JavaScript, TypeScript, Angular 10+, AWS — to stand up and deploy front and back-end services.

● Led a 8-person team through the SDLC to deliver code that adheres to both functional and technical criteria.

● Partnered with a quality assurance (QA) team to ensure full test coverage of system changes and updates.

● Analyzed peers’ fixes to customer-reported system issues, conducted constructive code reviews to provide feedback, and drove adherence to best practices in application development.

● Leveraged Angular 10+ to create reusable components such as buttons, forms, layout using Directives and Pipes, implemented Services to send http requests.

● Enhanced application loading speed by 40% by using performance measuring tools, strategically modifying the codebase, simplifying logic, and reducing code executions.

● Implemented html2canvas to take screenshots of components that don't need to be rendered repeatedly, which significantly improved performance and reduced API calls by roughly 800,000 times per day, leading to more efficient operation of the application.

● Provided comprehensive Unit Test cases using Jest to meet the minimum code coverage of 90%, and utilized Postman for endpoint API testing to ensure high-quality software releases.

● Improved user experience by reducing application response time by 30% through the implementation of virtualization, which selectively renders only visible content, resulting in faster and more seamless interactions.

● Familiar with utilizing SonarQube to ensure code quality. Actively participated in code reviews and provided insights on issues and inefficiencies, and suggested actionable solutions to improve both code quality and functionality.

● Managed project tasks and tracked progress using Jira for efficient project management and collaboration. Infosys ($71.19B information technology services and consulting company) 2021 - 2024 Feb Senior Associate New York, NY (Remote)

Developed reusable components, including buttons, forms, and layouts, using React.js to enhance the modularity and maintainability of the web application.

● Optimized application performance using React.Memo, useCallback, UseMemo to prevent unnecessary re-renders, and improved application’s responsiveness by nearly 20%.

● Implemented state management using react-redux by establishing the store and reducers, and initializing state with JSON data, thereby centralizing and streamlining the management process for improved efficiency.

● Utilized Prisma ORM to implement complex and advanced queries to query the MySQL database.

● Developed a dashboard by utilizing Chart.js to achieve data visualization, and display data according to authorization and user role.

● Integrated infinite scrolling for both input fields and page content to efficiently manage the rendering of extensive datasets, ensuring smooth initial page load speeds.

● Accomplished software engineer training with distinction, obtained 7 internal certifications through dedicated engagement with over 750 hours of comprehensive course materials. PROJECTS

Sales-Sync Electron, React, Sass, JavaScript, Crypto

● The Sales Sync application, a cross-platform business analytics tool, allows users to securely record and manage sales, customer, and product data locally, while also offering visual insights into their business operations.

● Utilized Chart.js to create monthly, yearly revenue reports, and optimize application’s performance by utilizing useMemo and useCallback to prevent unnecessary re-renders and improve application responsiveness.

● Established the front-end interface using React.js and utilized Electron.js to elevate it into a desktop application with extended functionality, enabling local data reading and writing, and enabling offline data access.

● Utilized Crypto for data encryption, enhancing security, and safeguarding sensitive business information from breaches and unauthorized access.

Zip-Trade React, Redux, Ruby on Rails, Heroku, Netlify

● Developed a local business marketing website that connects various flea markets, offering users functionalities to create, like, and save posts, along with the capability to upload images.

● Established the front end with React.js to build a responsive website with a scalable codebase

● Handled state management with react-redux by creating the store and reducer and initializing state and JSON data, which centralizes states and makes it easier to manage.

● Implemented JWT authentication in a Ruby on Rails backend to manage user authorization and access control. EDUCATION & CERTIFICATES

● Bachelor of Business Administration, Computer Information Systems, Baruch College / CUNY, Zicklin School of Business, US, NY, Manhattan

● Full Stack Web Development Bootcamp, Flatiron School • US, NY, New York • 2020

● AWS Certified Cloud Practitioner, issued by Amazon Web Services o Validation Number: 8087dd8597224adea29ad0a0c226e6d4

● Certified Associate Developer, issued by Infosys, 2021

● Certified Java Developer, issued by Infosys, 2021

● Certified React Developer, issued by Infosys, 2021

● Certified Advanced React Developer, issued by Infosys, 2021

● Certified Angular Developer, issued by Infosys, 2021

● Certified SprintBoot, issued by Infosys, 2021

● Certified Microservice, issued by Infosys, 2021

TECHNICAL SKILLS

● Technologies: JavaScript, TypeScript, Java, HTML, CSS, SASS, MySQL, NoSQL, Ruby, React, Angular 10+, JSON, RESTful API, Bootstrap, Ruby, Ruby on Rails, Redux, Express, Spring, Node, Electron, Material UI, Jest, React Testing Library, Jasmine, Karam, SonarQube, Docker, Kubernetes, NPM, MVC architecture, Stable Diffusion

● Developer Tools: Git, Postman, Excel, MySQL, User flow chart, Jira, Entity framework, Postman, Affinity

(Designer, Photo)

● Operating Systems: Mac, Windows

ADDITIONAL INFORMATION

● Work-Eligible Status: Eligible to work in the United States without sponsorship

● Location Preference: Open to relocation

Contact this candidate