Published an e-commerce website using Laravel and React, designed in microservice architecture, and released a payment gateway, reducing drop-offs by 25%. Designed and launched a KPI platform using Laravel, Laravel Nova, and React to provide data-driven insights to executives, reducing the average time to resolve customer issues by 25% and increasing the sales conversion rate by 15%. Defined over 80 RESTful APIs using Laravel for an e-commerce project, GraphQL APIs using ExpressJS, and handled AWS DynamoDB to manage dynamically formatted data. Deployed a KPI project on AWS Lambda with API Gateway based on serverless architecture, reducing infrastructure costs by up to 30%. Built a user management system using AWS Amplify and Cognito to streamline the authentication system, reducing development time by 1-2 weeks. Mastered various AWS services including EKS, CloudFormation, RDS, S3, SQS, SES, IAM, among others. Integrated a payment system for product checkout using Authorize.net payment API, processing over 300+ transactions weekly. Wrote functional components using React.js and hooks, leveraged built-in components, and achieved 90% code coverage with test cases using JEST. Led the development process in a start-up environment, managing the SDLC from scratch and directly engaging with stakeholders and clients for requirements collection. Developed web APIs and microservices using C# and ASP.NET to enhance the scalability and security of backend systems.

Customized an open-source project by resolving over 30 technical issues using React.js, Laravel, PostgreSQL, and SQLAlchemy ORM. Improved data accuracy by 80% using NodeJS and updated systems to gather historical lease, funding, employee data, and company information via Clearbit, Mattermark API, and web scraping. Cleaned, transformed, and aggregated 1 million rows of data for meaningful insights. Increased data querying performance by 20% through optimization of over 100 SQL queries. Utilized technologies including Laravel, React, Pandas, ElasticSearch, PostgreSQL, AWS Redshift, AWS RDS, AWS EC2, and various 3rd party APIs like Crunchbase and Mattermark. Launched 5 projects, including e-commerce, booking systems, SaaS, and mobile applications using JavaScript/PHP frameworks like React, Next.js, Node, Laravel, and Nest.js. Created over 300 highly scalable RESTful APIs across 5 projects using Laravel and NodeJS. Adopted Test-Driven Development (TDD) using test frameworks such as Mocha and JEST, achieving over 90% code coverage. Developed a TypeScript and ExpressJS middleware system to handle authentication and authorization, increasing API call efficiency by 10% while reducing latency by 30%. Configured AWS project infrastructure, including VPC, Subnet, Load Balancing, SSL, Auto Scaling, and Routing, resulting in a 25% boost in application stability. Engineered an end-to-end automation process for the development team by implementing a CI/CD pipeline between AWS EKS and GitHub, leveraging AWS CodeBuild and CodePipeline, which reduced deployment time by 40%. Developed enterprise-level web applications using C# and ASP.NET Core for backend services, improving performance and security.