Ji Yang

Experience

• 

  Chapel Beauty Supply

  Aug 2010 - Jun 2011

  Department Manager

  • Formulated strategies for improving customer service and increasing sales by overseeing all aspects of merchandising within the store including product placement and display design• Negotiated contracts with vendors for supplies, products, and services• Evaluated and scanned in new inventory, updated computer database and proactively resolved variances• Compiled weekly sales and product reports, then collaborating with other managers to strategize future planning• Supervised on orderliness and cleanliness of sales floor and stock room Show less

• 

  Ernst & Young Global Consulting Services

  May 2011 - Jul 2011

  Summer Internship

  • Accurately inputted data into general ledgers under senior accountant’s supervision• Assisted in preparing financial statements such as income statement, balance sheet, cash flow statement• Coordinated a smooth preparation for monthly journal entries and account reconciliations

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  Top Beauty Supply Retail

  Jun 2011 - May 2014

  Sr. Account Manager

  • Delivered accounting tasks across 5 retail locations, which included conducting bank reconciliations, accounts payable and receivable, general ledger management, compiling precise monthly financial reports, initiating oversight expense reports, and verifying accurate revenue acquisition with the employment of QuickBooks and Microsoft Excel• Led monthly and regular meetings with department managers to align financial strategies, review performance, and develop new business opportunities, ensuring cohesive business operations• Prepared and presented monthly accounting, financial, and operational reports for CEO review, facilitated strategic planning sessions, and established budget limits based on historical financial data Show less

• 

  American Deli

  May 2014 - Apr 2015

  Store Manager

  • Oversaw daily operations, utilizing CRM tools for customer management and inventory of 200+ items, leveraging communication skills to build relationships with customers and employees while developing strategies to enhance efficiency and drive growth• Managed accounting operations, handling accounts administration, financial reporting, and inventory control; achieved significant cost savings and revenue growth - Improved 14% in profit margin while minimizing unnecessary cost by 20%

• 

  Wings 2 Go

  Apr 2015 - Apr 2024

  Operation Owner

  • Effectively launched and operated a restaurant business, overseeing all aspects from initial licensing and menu development to daily operations management including budgeting, staffing, inventory control, and financial management• Utilized VBA for administering business data to forecast effective business decisions, annual sales growth average by 11.25%, leveraging financial SQL data to store conducted product evaluations, evaluated gross profit margin, and market research• Negotiated contracts with 10 vendors, reducing food costs by 10% during inflation and COVID-19, while maintaining the same product quality and fostering strong vendor relationships through clear communication and timely payments Show less

• 

  MoleQLar (Open Source)

  May 2024 - now

  • Developed a product to automatically generate typedefs and resolvers, integrating a GraphQL API over PostgreSQL to optimize schema, enhance data fetching efficiency, and reduce server requests to a single endpoint• Utilized React Flow Renderer to dynamically visualize complex user data, transforming it into interactive node-based diagrams with customizable edge to represent relationships between datasets• Reformed 30% of web application design using Material UI from SCSS for improved performance and maintainability, encapsulating styles directly within components to make codebase more modular• Constructed a PostgreSQL database to store user information and data interactions, ensuring ACID compliance to maintain data integrity and optimizing the relational database to efficiently capture and precisely log data from numerous user interactions, such as node and edge creation or adjustments• Implemented Docker for containerization, facilitating a microservices architecture that independently scales client and server components, maintains consistent environments, and streamlines deployment through CI/CD integration• Secured AWS to deploy moleQLar application, leveraging ECS for container orchestration, managing Docker image with ECR, employing EC2 for scalable virtual servers, applying Fargate for serverless compute, and implementing detailed monitoring and logging with CloudWatch to enhance scalability, efficiency, and real-time visibility of application performance • Assembled React Testing Library for component rendering and simulating UI, Jest to test unit and integrations, and applied Supertest to validate authentication mechanism and database modifications triggered by UI actions - various tests facilitated development assurance Show less • Successfully launched moleQLar, an open-source product, achieving over 30 active users within the first week of deployment; 90% of these users, primarily developers, actively integrated the product into their development workflows• Utilized Jira for agile project management to optimize the software development process, successfully coordinating over 30 sprints, tracking progress, and boosting team collaboration, resulting the delivery of every product’s MVP within 2 weeks• Devised and implemented a cross-functional workflow optimization strategy using Zoom and Slack, reducing project cycle times by 25% and accelerating collaborating across development• Engaged with five external developers specialized in GraphQL, who independently tested our application pre-launch and provided positive feedback, validating team’s development approach, and enhancing product credibility in the tech community Show less

  • Software Engineer (Full-Stack)

    May 2024 - now

  • Project Manager

    May 2024 - now
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  Open Source

  Jun 2024 - Jul 2024

  • Integrated Node Package Manager to ensure consistency during development and reduce risk dependency issues, took advantage of effective package management to access vast repository of well-maintained libraries and dependencies• Configured Webpack for efficient handling and optimization of assets and modules, enhancing load times via HTML webpack plugins, Dotenv, bundle analyzer, code splitting, and reducing bundle size by 40% while managing SCSS, images, and SQL files• Capitalized Axios to be used with React to improve previous CRUD functionality during a joint collaborative team project, leveraging its promise-based HTTP requests for flexible data fetching• Migrated MongoDB to PostgreSQL for improved storage space utilization by 30%, supplementing its relational database to store all related data securely and efficiently from various user interactions and transactions Show less • Leveraged React v18 to design a component-based architecture with reusable components and hooks like useState and useEffect, optimizing state management, unidirectional data flow, and dynamic UI updates, while simplifying component logic, enabling responsive interfaces, and implementing access control for a seamless and efficient user experience• Employed Node.js and Express to construct an efficient backend, exploited middleware patterns for precise data handling and retrieval, facilitating seamless API updates without impacting existing queries• Accommodated Bcrypt and JWT to control user authentication and authorization, securely hashing passwords and defining tokens that work in harmony to protect user interactions and data integrity Show less

  • Software Engineer | Job Hub | Job Application Tracker App – Observatory Tool

    Jun 2024 - Jul 2024

  • Software Engineer | Poké Mart | E-commerce Website

    Jun 2024 - Jun 2024

  • Software Engineer | Lunch Box | Nutrition App

    Jun 2024 - Jun 2024