Developed applications using various JavaScript libraries and frameworks, including NextJS, SCSS, MobX, and Loopback 4 for Backend, with MongoDB as the database. Developed a mobile application with React Native to ensure a seamless user experience and optimized application performance. Integrated Envoy for gRPC service proxy management. Managed CI/CD pipelines using Docker and GitLab CI. Utilized project management and team collaboration tools including ClickUp, Miro, Git, and Slack.

Built an API integration gateway service using gRPC for HX's third-party suppliers, including but not limited to Hilton Hotel, Mobidan Parking, Quirk Parking, NCP Parking, and others. Built a portal page using Next.js to manage all bookings, products, locations, and settings for HX's third-party suppliers. Showcased various technologies, including RabbitMQ, Google PubSub, microservices, cache, Elasticsearch, and others. Delivered real-time price and availability information from multiple suppliers to HX in a single, normalized format and provided an aggregated feed of product prices and availability for booking decoupling. Implemented solution currently serving live customers with integrated suppliers. Contributed to the HX vision as a platform business with potential for future productization and sale to other third-party aggregators and affiliates. Designed dashboards using Grafana and Loki to track API performance and system reliability.

Worked with clients to analyze requirements. Researched and implemented cost-effective solutions for the project. Set up a pipeline for an application going live. Configured auto-scaling for the application using Kubernetes on a schedule. Integrated with various third-party services including Docusign, Stripe, and Pusher, and managed these services on their respective platforms. Developed authentication and authorization mechanisms using OAuth2 and JWT. Ensured the performance and reliability of infrastructure. Wrote unit tests and conducted integration testing. Provided documentation for various system processes.

Developed a micro-service system using Django. Utilized MongoDB for database management. Integrated MySQL for data storage and manipulation.

Developed a document management system for US factories and enterprises using Elastic Search and Redis Cache. Optimized performance and efficiently managed large data sets with Next.js, LoopBack4, and MongoDB. Integrated a cloud-based data platform for structured data storage and analysis. Successfully deployed and maintained the system for live US customers, streamlining document management and improving efficiency with secure Authorization.

Worked with the client to analyze requirements and build the solution. Developed a crawling and caching system to optimize performance. Constructed infrastructure and integrated CI/CD for the live application. Handled app scaling during peak times using cloud services. Retrieved and analyzed data from third-party services. Researched and selected cost-effective solutions for the project. Integrated Snowflake for real-time analytics on promotions and user interactions.

Developing and maintaining applications on both website and mobile. Working on both the front-end and back-end of the project. Integrating and managing Stripe payment systems. Implementing multiple flows across various screens. Identifying and resolving bugs.