Internal Expense Report System The Internal Expense Report System facilitates employee expense reimbursement by enabling users to upload receipts, record transaction details, and seamlessly transfer this data to the accounting system. Frontend (React) Improved Frontend Architecture and Maintainability Enhanced the frontend logic and implemented state managers in TypeScript, facilitating a more granular and maintainable codebase. Streamlined Development and Deployment Processes Optimized the CI/CD pipeline for both frontend and backend, ensuring efficient deployments and automated testing. Backend (Python/Flask) Enhanced Code Quality and Data Integrity Added type hints to all functions and enforced model control using Pydantic. Ensuring Reliable Functionality Through Automation Implemented endpoint testing within the CI/CD workflow. Internal Approval System The Internal Approval System manages all employee activities requiring approval, encompassing various processes that are designed and subsequently recorded in the accounting system. Frontend Modernizing the Approval Process for Enhanced Efficiency Migrated the Internal Approval System from Angular to Next.js, resulting in improved performance and user experience. This system manages employee activities requiring approval across various workflows. Ensuring Reliable Deployments with Automation Established robust CI/CD processes for the Next.js frontend, ensuring consistent and automated deployments. Streamlined Workflows for Faster Approvals This migration facilitated faster approvals and a more streamlined workflow for employees. Backend Developed using C#.

Tagtoo Dashboard Developed and maintained the Tagtoo Dashboard, a React and Next.js application that consolidates data from multiple advertising channels into a single, intuitive platform. This streamlined data access for the company, resulting in a 80% reduction in time spent on data analysis and reporting. Collaborative Development and Feature Enhancements Collaborated with backend engineers to implement new features and enhancements for the dashboard, improving its functionality and user experience. Promoting Code Quality and Developer Efficiency Championed the conversion of the codebase from JavaScript to TypeScript, enhancing code maintainability and developer productivity. Enabling Scalable and Automated Deployments Containerized the application and deployed it to Google Cloud Platform (GCP) using Google Cloud Build, enabling automated and scalable deployments. Tagtoo Adchief Developed and co-maintained Tagtoo AdChief, an automated advertising platform built with React and Next.js that simplifies the creation of custom product recommendation ads. This streamlined workflow facilitated a 40% increase in ad creation efficiency for the marketing team. Leveraged Material-UI and styled-components to create a user-friendly and visually appealing interface for the platform.

Tagtoo Advertise Support Developed custom, high-performance JavaScript crawlers tailored to specific e-commerce client needs. These crawlers automated data collection, resulting in 80% reduction in manual effort for advertising campaign setup. Automating Data Collection and Ad Targeting Leveraged crawlers to extract product information and send targeted events to advertising channels (Google, Facebook, TikTok), enabling more efficient ad targeting and campaign optimization. Streamlined Data Flow and Product Catalog Creation Utilized Django to build robust data pipelines that interface with PostgreSQL and MySQL databases. This streamlined data flow for e-commerce information and enabled the creation of comprehensive product catalogs for advertising purposes. The resulting product catalogs, built on Django, facilitated the development of highly targeted advertising campaigns that achieved a 50% increase in conversion rates. Data-Driven Optimization for Improved Performance Collaborated with business and advertising teams to analyze e-commerce data and optimize advertising strategies. This data-driven approach led to a 20% improvement in return on investment (ROI) for advertising campaigns. Ongoing Support for Campaign Success Provided ongoing support and consultation on optimizing ad targeting, budget allocation, and campaign performance metrics.

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