• Architected and implemented the SCG Home AI Service (Homie) using FastAPI, LangGraph, PostgreSQL, Redis, and LiteLLM, delivering real-time streaming responses, multi-agent orchestration, multi-LLM integration, file processing, and production-grade observability.
• Designed and built the Agentic Chat UI with Astro + Svelte 5 and Elysia.js (Bun runtime), supporting real-time messaging, tool execution visualization, keyboard-driven UX, session persistence, and proxy integration to multiple AI backends.
• Developed and deployed AI-driven conversational systems using LangChain and custom tools, enabling product search, pricing lookup, store locator, knowledge-based answers, and automated recommendations for SCG Home customers.
• Built scalable microservices and AI pipelines using Docker, Kubernetes, Helm, ArgoCD, GitHub Actions, and AWS ECR, supporting multi-environment GitOps deployments (dev/uat/prod) with automated versioning and multi-platform builds.
• Designed and managed KrakenD Enterprise API gateway solutions, including custom plugins and high-performance API aggregation for enterprise workloads.
• Implemented microservices using Bun.js, improving request latency and resource efficiency for internal API workloads.
• Built centralized logging pipelines for SnapLogic (Fluent Bit → ClickHouse) and MuleSoft (Promtail → Loki), improving reliability and cross-platform observability.
• Deployed and optimized the SnapLogic integration platform for high-volume enterprise automation and data workflows.
• Led engineering efforts for API gateway systems, including team management, architectural design, and delivery of mission-critical services.

• Clearly and effectively communicate with internal and external parties.
• Collaborate closely with business, discovery, delivery, and IT teams or related teams across the organization.
• Build CI/CD for Java with the MuleSoft Framework on the GoCD platform.
• Maintain the MuleSoft API Gateway.

• Designed and developed the database, user interface, and APIs for the Notice-Subscriber project.
• Implemented a Kubernetes architecture for the DAAS project.
• Developed Golang APIs for the DAAS project.
• Designed and implemented Azure PostgreSQL databases for the DAAS project.
• Redesigned the ETL engine service for the DAAS project, ensuring improved performance and handling of large amounts of data (200GB).
• Set up and configured Azure Kubernetes Service (AKS) for the DAAS project.
• Configured Kubernetes servers for the PPE-API and GWP projects.
• Implemented zero-downtime automation for the PPE-API project.
• Adopted an agile model and introduced Gitlab for team collaboration.
• Set up Gitlab Runner on various operating systems (Windows Server, Ubuntu, CentOS, RedHat, CoreOS) for CI/CD integration with Gitlab.
• Trained the Server Engineer team on the installation, configuration, and usage of Kubernetes, MongoDB, and RedisDB.
• Developed automated health check, API, logging, scheduling, and reporting features for the Notice-Manager project.
• Developed the PPE-API project, a high-performance API capable of handling up to 1,000 requests per second.
• Migrated the Talend BigData Community Edition ETL to a new Golang-based ETL engine.
• Developed the GWP project, a promotion setup tool.

• Adopted an agile model and introduced Gitlab for team collaboration.
• Set up Gitlab Runner on various operating systems (Windows Server, Ubuntu, CentOS, RedHat, CoreOS) for CI/CD integration with Gitlab.
• Trained the Server Engineer team on the installation, configuration, and usage of Kubernetes, MongoDB, and RedisDB.
• Developed automated health check, API, logging, scheduling, and reporting features for the LINE-BOT project.
• Created a DevOps-UI tool for the QA Support team to use for software configuration and maintenance.
• Developed a booking feature for the SPACMG application.
• Created a Windows Service for TransferInboundFTP to transfer files from an inbound FTP to FTP.
• Implemented a website survey report feature for the LINE-BOT project.
• Developed features for redeeming products, tender processing, and payments for the POSCMG application.
• Maintained and troubleshooted issues with the POSCMG application.
• Provided consultation on the development of a Restful-API for mobile gift card and the Ogloba Webservice gift card.

• Led R&D across a face recognition system (Python, OpenCV, Socket.IO) and a robotics prototype (Arduino).
• Built both front-end and back-end web applications, integrating payments via Paysbuy.
• Managed infrastructure, servers, and containers (IIS, MSSQL, Docker); administered databases (MySQL, MongoDB, Redis, Elasticsearch) and GitLab workflows.
• Developed and maintained applications for Windows (Travox Sentinel) and Android (CheckStock).

Research and Development

• Collaborated with cross-functional teams to define project requirements and implement solutions.
• Utilized a range of technologies and tools to develop and test prototypes and products.
• Conducted research and development on various projects, including Face Recognition using Python, OpenCV, and SocketIO, as well as a robotics model using Arduino.

Front-end and Back-end Website

• Developed a payment service using Paysbuy modules.

Server Administration

• Proficient in a range of web development technologies, including HTML, CSS, JavaScript, and PHP.
• Strong experience in server administration, including maintenance of IIS and MSSQL servers, and expertise in containerization using Docker.
• Proficient in database management, covering MySQL, MongoDB, RedisDB, and Elasticsearch.
• Skilled in using Git-based source control systems, such as Gitlab.

Windows Application

• Analyzed, designed, and developed Travox Sentinel, a Windows-based application.

Android Application

• Maintained and developed CheckStock™, an Android-based barcode application.

• Designed and developed software solutions for diverse clients, including enterprises, schools, and individuals, utilizing WordPress and PHP frameworks.
• Collaborated closely with clients to define project requirements and delivered continuous technical support to ensure project success.
• Employed various technologies, including HTML, CSS, and JavaScript, to craft engaging and user-friendly websites.
• Provided ongoing maintenance and updates to ensure the optimal performance of client websites.
• Conducted user training and provided detailed documentation to clients to ensure smooth project handovers.
• Ensured cross-browser compatibility and optimized websites for performance and SEO.
• Applied responsive design principles to ensure websites were mobile-friendly and accessible.
• Built custom themes and plugins for WordPress to extend functionality and meet specific client needs.
• Integrated third-party APIs and services to enhance website features, including payment gateways and social media integration.
• Maintained strong client relationships through regular updates, feedback sessions, and support.
• Possesses excellent communication and collaboration skills, with the ability to work effectively in remote environments.