Available to hire
I’m a Senior Full Stack Engineer with over 11 years of experience building scalable fintech, SaaS, and AI-driven platforms. My expertise includes TypeScript, React, Next.js, Python frameworks like FastAPI, Django, and Flask, as well as cloud infrastructure using AWS, GCP, and Azure. I have led projects from MVP to production in startups, architecting microservices, APIs, and data pipelines while ensuring secure, cloud-native deployments.
Recently, I developed AI-powered risk prediction systems and semantic search solutions combining ElasticSearch with vector databases, achieving significant improvements in accuracy and performance. Passionate about startups and rapid prototyping, I thrive on shipping fast innovations and integrating AI/LLM technologies, mentoring teams, and shaping product architecture for the future.
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Work Experience
Senior Full Stack Engineer at Andersen Lab
July 1, 2025 - August 5, 2025Designed and built intelligent full-stack applications using React.js and Python (FastAPI) with modular architecture. Integrated OpenAI GPT models and LangChain pipelines to automate workflows, reducing manual effort by 40%. Developed custom AI microservices using PyTorch, scikit-learn, and OpenAI APIs for text classification, semantic search, and summarization. Collaborated with ML teams to embed real-time generative AI inference endpoints, improving user experience. Architected UI libraries with React, TypeScript, Tailwind CSS, Storybook for design scalability and accessibility. Implemented advanced state management with Redux Toolkit and React Query, optimized performance. Developed RESTful and GraphQL APIs integrating AI services. Designed scalable PostgreSQL and MongoDB schemas. Deployed applications on AWS Lambda, Docker, Kubernetes with autoscaling. Created unit and integration tests and established CI/CD workflows with GitHub Actions and Terraform. Integrated real-time monitori
Senior Full Stack Engineer at Instinctools
January 1, 2023 - August 5, 2025Implemented enterprise full-stack solutions with React.js and Flask. Built reusable component libraries with modern UI architecture and React Hooks. Developed secure, high-performance backend services with Flask and Redis caching. Designed and deployed microservices with Docker and Kubernetes. Automated deployment pipelines using Jenkins and GitHub Actions. Created data-heavy dashboards with React and live API polling. Improved frontend performance with lazy loading and code splitting. Integrated AI-based analytics into dashboards. Enhanced security with OAuth2, JWT, and role-based access control. Conducted code reviews and mentored junior developers. Integrated GraphQL with REST APIs. Set up monitoring with ELK Stack. Established shared design token system using Tailwind CSS. Documented API and UI architecture with Swagger, Postman, and Storybook. Developed PoC for LLM-based search and auto-tagging features.
Full Stack Developer at Britenet
February 1, 2019 - August 5, 2025Built web portals using Angular and migrated core components to React.js. Developed Flask APIs powering dynamic dashboards. Created data pipelines with Pandas and NumPy. Designed test automation with Selenium and PyTest. Implemented secure, scalable databases with MySQL and Firebase. Built real-time interfaces using WebSockets and Firebase listeners. Deployed via Netlify and set up CI with CircleCI and Docker. Delivered IoT data visualizations using D3.js and Chart.js. Followed Agile workflows and participated in cross-functional architecture planning.
Junior Full Stack Developer at SoftKraft
October 1, 2016 - August 5, 2025Contributed to frontend features using React.js, JavaScript, and Material UI. Developed RESTful APIs with Flask and SQLAlchemy. Assisted in integrating OpenAI API (GPT-3.5/4) for AI-driven chat features and content summarization with transformers and spaCy. Wrote tests with PyTest and React Testing Library achieving 80%+ coverage. Implemented secure user authentication with JWT and bcrypt. Managed state with Redux Toolkit, built reusable form components using Formik and Yup. Set up DevOps workflows with GitHub Actions and Docker. Participated in Agile workflows and sprint planning. Collaborated on a vector search prototype using FAISS and sentence-transformers. Documented APIs with Swagger/OpenAPI and supported QA. Built internal tools with Streamlit for admin tasks.
Senior Full Stack Engineer at Andersen Lab
July 1, 2025 - August 7, 2025Architected modular full-stack applications with Next.js (React) frontend and FastAPI / Node.js / Go backend services. Integrated OpenAI GPT-4 models and LangChain pipelines automating decision flows, improving productivity by 40%. Built AI microservices for text classification, vector search, and semantic summarization using Go, PyTorch, and scikit-learn. Led infrastructure development with Docker, Kubernetes, AWS Lambda, and Terraform to enable scalable deployment of AI systems. Developed reusable UI kit with React, TypeScript, Tailwind CSS, and Storybook used across multiple product teams. Created optimized PostgreSQL and MongoDB schemas for AI payloads and built RESTful and GraphQL APIs interfacing with NLP pipelines. Managed deployments on AWS ECS and implemented CI/CD pipelines with GitHub Actions, including LLM model versioning and blue-green deployments. Led integration of real-time monitoring for AI models with Prometheus, Grafana, and OpenTelemetry. Mentored engineers on AI i
Senior Full Stack Engineer at Instinctools
January 1, 2023 - August 7, 2025Delivered enterprise-grade web applications using React, Next.js, and Flask. Created backend APIs with Go and Flask, integrating Redis caching for performance. Developed interactive dashboards powered by GraphQL and REST APIs with dynamic charting (Chart.js, D3.js). Built fault-tolerant microservices deployed via Docker and Kubernetes. Established CI/CD pipelines using Jenkins and GitHub Actions. Enhanced frontend UX through React Hooks and code splitting, reducing TTI by 45%. Integrated AI-driven analytics leveraging LLMs and classification models. Secured APIs with JWT, OAuth2, and RBAC enforcement. Led LLM-based auto-tagging and content search prototypes. Conducted mentorship programs and documented API schemas with Swagger, Postman, and Storybook.
Full Stack Developer at Britenet
February 1, 2019 - August 7, 2025Developed full-stack features using Angular, React.js, and Flask backend in Python. Built data analytics pipelines using NumPy, Pandas linked with MySQL and Firebase. Implemented real-time frontend apps with WebSocket and Firebase listeners. Built IoT visualization tools with Chart.js and D3.js integrating sensor data ingestion. Automated deployments with CircleCI, Docker, and Netlify. Developed secure authentication flows using JWT and bcrypt. Designed automated testing frameworks with PyTest, Selenium and unit tests for Flask APIs. Contributed to LLM integration demos including vector search and content tagging. Followed Agile methodologies including sprint planning and retrospectives. Participated in architecture planning for multi-tenant SaaS platforms.
Junior Full Stack Developer at SoftKraft
October 1, 2016 - August 7, 2025Built UI components with React, Material UI, and styled components for enterprise apps. Developed RESTful APIs using Python (Flask) with SQLAlchemy for persistence. Created OpenAI GPT-based chatbot prototypes and smart prompt completion tools. Implemented AI summarizers with HuggingFace, spaCy, and sentence transformers. Managed secure session authentication using JWT and token refresh strategies. Built internal automation tools with Streamlit. Established unit testing practices with PyTest and React Testing Library achieving 80%+ coverage. Used Redux Toolkit, Formik and Yup for frontend validation. Containerized environments with Docker and automated build pipelines using GitHub Actions. Developed semantic search prototypes with FAISS and sentence-transformers.
Senior Full Stack Engineer at Andersen Lab
July 1, 2025 - August 7, 2025Architected modular full-stack applications with Next.js for frontend and FastAPI, Node.js, Go for backend services. Integrated OpenAI GPT-4 and LangChain to automate decision workflows improving productivity by 40%. Developed AI microservices for text classification, vector search, and semantic summarization using Go, PyTorch, and scikit-learn. Led infrastructure development with Docker, Kubernetes, AWS Lambda, and Terraform for scalable AI deployment. Created reusable UI kits and optimized state management across multiple teams. Built APIs in multiple languages interfacing with NLP pipelines and business logic. Designed efficient PostgreSQL and MongoDB schemas for AI data. Managed deployment on AWS ECS with real-time observability using Prometheus, Grafana, and OpenTelemetry. Developed CI/CD pipelines with GitHub Actions, enabling model versioning and blue-green deployments. Established A/B testing and feature flag systems for experimentation. Mentored engineers and conducted cross-p
Senior Full Stack Engineer at Instinctools
January 1, 2023 - August 7, 2025Delivered enterprise-grade web applications using React, Next.js, and Flask. Created backend APIs with Go and Flask and integrated Redis caching to enhance performance. Developed interactive dashboards powered by GraphQL and REST APIs with dynamic charting libraries. Built microservices with Docker and Kubernetes enabling fault-tolerant workloads. Set up CI/CD workflows with Jenkins and GitHub Actions automating releases and tests. Enhanced frontend UX with React hooks, code splitting and lazy loading, reducing TTI by 45%. Integrated AI-driven analytics and classification models. Secured APIs via JWT, OAuth2, and Royal Based Access Control across layers. Implemented LLM-based auto-tagging and content search prototypes with notable user impact. Defined shared Tailwind design tokens across teams. Conducted mentoring and technical onboarding. Documented APIs using Swagger, Postman, and Storybook.
Full Stack Developer at Britenet
February 1, 2019 - August 7, 2025Developed full-stack features with Angular, React.js, and Flask backends. Created data analytics pipelines using NumPy and Pandas connecting to MySQL and Firebase. Implemented real-time frontend applications with WebSockets and Firebase listeners. Built IoT visualization tools integrating sensor data with Chart.js and D3.js. Automated deployments using CircleCI, Docker, and Netlify. Developed secure authentication using JWT and bcrypt. Designed automated testing frameworks with PyTest, Selenium, and unit tests for Flask APIs. Contributed to LLM integrations by developing vector search and content tagging prototypes. Followed Agile development practices and participated in system architecture planning for multi-tenant SaaS platforms.
Junior Full Stack Developer at SoftKraft
October 1, 2016 - August 7, 2025Built UI components with React, Material UI, and styled components for enterprise apps. Developed RESTful APIs using Python Flask and managed persistence with SQLAlchemy. Created OpenAI GPT-based chatbot prototypes and smart prompt completion tools. Implemented AI summarizers using HuggingFace, spaCy, and sentence transformers. Managed secure session authentication with JWT and token refresh strategies. Built internal tools with Streamlit to automate log processing and reporting. Established unit testing with PyTest and React Testing Library achieving 80%+ coverage. Used Redux Toolkit, Formik, and Yup for frontend validation. Containerized development environments with Docker and GitHub Actions. Developed semantic search prototypes using FAISS and sentence-transformers.
Senior Full Stack Engineer at Andersen Lab
July 1, 2025 - August 12, 2025Architected cross-platform mobile and web platforms using React Native, React, Angular, and TypeScript. Designed and implemented microservices with C# (.NET Core), Node.js, and Python ensuring high availability and modularity. Developed RESTful and GraphQL APIs for high-throughput workloads and integrated AI/ML models for personalization and automation. Built offline-first React Native apps with local storage and sync strategies. Managed deployments on AWS and Azure using Terraform and Kubernetes. Automated React Native CI/CD pipelines with GitHub Actions and Fastlane. Established monitoring with Prometheus, Grafana, and OpenTelemetry. Led architecture reviews to enhance performance and accessibility. Mentored engineers and collaborated with ML teams for production-ready AI/ML deployments.
Senior Full Stack Engineer at Instinctools
January 1, 2023 - August 12, 2025Delivered enterprise SaaS solutions using React Native, React, Angular, C#, Node.js, and microservices. Developed real-time dashboards and push notification systems leveraging SignalR, WebSockets, and Firebase Cloud Messaging. Designed secure multi-tenant backends with OAuth2 and JWT. Managed deployments on AWS and Azure using Docker and Kubernetes. Automated builds with Azure DevOps and GitHub Actions. Integrated GraphQL for advanced querying and implemented logging with ELK Stack. Optimized performance with code-splitting and lazy loading. Contributed to AI proof-of-concepts for semantic search and tagging in mobile apps.
Full Stack Developer at Britenet
February 1, 2019 - August 12, 2025Migrated large-scale apps from Angular to React and React Native for mobile platforms. Developed APIs in C# and Node.js for live mobile dashboards with WebSockets and Socket.IO. Implemented real-time chat and collaboration features using Firebase. Built reporting pipelines using MongoDB Aggregations, MySQL, and Node.js Streams. Secured applications with JWT-based authentication. Managed CI/CD pipelines using Docker, CircleCI, and GitHub Actions.
Junior Full Stack Developer at SoftKraft
October 1, 2016 - August 12, 2025Developed React Native prototypes for mobile and React web applications. Built RESTful APIs with C# (.NET) and Node.js. Implemented AI-powered search prototypes using FAISS and HuggingFace for mobile apps. Maintained test coverage above 80% with xUnit and Jest. Set up Dockerized development environments for mobile and web applications.
Senior Full Stack Engineer at Andersen Lab
July 1, 2025 - August 15, 2025Architected full-stack AI-driven platforms using Next.js, React.js, Node.js, and FastAPI with scalable modular designs. Integrated OpenAI GPT APIs and LangChain agents to automate business logic, reducing manual effort by 40%. Built custom AI microservices for classification, summarization, and semantic search using PyTorch and scikit-learn. Developed reusable component libraries, engineered scalable state management solutions, and maintained high test coverage with Jest. Designed robust GraphQL and REST APIs powering real-time analytics, automated CI/CD pipelines with Terraform and GitHub Actions, and deployed to AWS Lambda and Kubernetes. Led AI observability, feature flag/A-B testing systems, and mentored engineers across frontend and backend technologies.
Senior Full Stack Engineer at Instinctools
January 1, 2023 - August 15, 2025Delivered scalable enterprise platforms using React.js, Next.js, Node.js, and Flask with microservices architecture. Built real-time analytics dashboards supporting live data updates. Engineered secure backends with OAuth2, JWT, and Redis caching. Managed Docker and Kubernetes deployments with AWS and hybrid cloud. Automated CI/CD with Jenkins and GitHub Actions, implementing canary releases. Enhanced frontend performance via lazy loading and code splitting. Mentored developers on React, Docker, and Flask; added GraphQL endpoints; designed centralized logging and monitoring with ELK stack. Initiated monorepo structure and contributed to architecture modernization.
Full Stack Developer at Britenet
February 1, 2019 - August 15, 2025Developed web portals using Angular and React.js, migrating legacy systems to modern stacks. Created and maintained RESTful APIs with Node.js (Express). Built analytics data pipelines leveraging MongoDB Aggregation and Stream APIs. Automated testing frameworks with Selenium and Jest. Designed scalable schemas with MySQL and integrated Firebase for authentication and data synchronization. Developed real-time collaboration features using WebSockets and Firebase listeners. Managed deployments with Netlify and Docker, and built interactive dashboards with D3.js and Chart.js. Collaborated on multi-team initiatives improving cross-functional delivery.
Junior Full Stack Developer at SoftKraft
October 1, 2016 - August 15, 2025Built UI components with React.js and Material UI focused on accessibility and performance. Developed RESTful APIs using Node.js and ORM libraries (TypeORM/Sequelize). Integrated OpenAI GPT APIs for intelligent chat and smart suggestions. Developed AI content summarizers with HuggingFace and spaCy reducing manual work by half. Implemented secure authentication with JWT and bcrypt. Established unit and integration testing practices maintaining high coverage. Supported DevOps with GitHub Actions, Docker, and Agile workflows. Created vector search prototypes with FAISS and wrote comprehensive API documentation.
Senior Full Stack Engineer at Andersen Lab
July 1, 2025 - August 15, 2025Architected AI-driven full-stack platforms using Next.js, React.js, Node.js, and FastAPI with scalable modular design. Integrated OpenAI GPT APIs and LangChain agents to automate business logic, reducing manual efforts by 40%. Built AI microservices for classification, summarization, and semantic search using PyTorch and OpenAI. Developed reusable React component libraries with TypeScript and Tailwind CSS across multiple production systems, engineered scalable state management, designed robust GraphQL and REST APIs for real-time data, and optimized AWS Lambda and Kubernetes deployments. Automated CI/CD pipelines including AI model versioning and blue/green deployments, launched LLM observability features, developed feature flagging with A/B testing, and instrumented full-stack observability for proactive monitoring. Mentored teams, led architecture reviews, maintained high test coverage, and advocated modern monorepo workflows.
Senior Full Stack Engineer at Instinctools
January 31, 2023 - August 15, 2025Delivered scalable enterprise platforms with React.js, Next.js, Node.js, and Flask using containerized microservices. Built live analytics dashboards with real-time updates via API polling and WebSockets. Engineered secure backends with OAuth2, JWT, and caching layers using Redis. Managed AWS and hybrid cloud deployments with Docker and Kubernetes. Automated CI/CD using Jenkins and GitHub Actions, implemented staging and canary releases, enhanced frontend performance via lazy loading and bundle optimizations. Provided technical mentorship, added GraphQL endpoints to legacy APIs, maintained centralized ELK stack logging, standardized styling with Tailwind CSS, built LLM proof-of-concept features, and drove API-first development. Implemented comprehensive testing with Jest, Cypress, PyTest, facilitated Agile delivery, introduced monorepos, increased observability, and led architecture modernization initiatives.
Full Stack Developer at Britenet
February 1, 2019 - August 15, 2025Developed web portals with Angular and React.js, migrated legacy UIs to modern stacks, and created RESTful APIs with Node.js (Express). Built analytics pipelines using MongoDB Aggregation and Stream APIs for client insights. Automated test frameworks achieving over 80% coverage, engineered secure schemas with MySQL and Firebase integration, and developed real-time collaboration features via WebSockets and Firebase. Managed frontend deployments with Netlify and backend deployments with Docker and CircleCI. Created interactive dashboards with D3.js and React components. Participated in Agile practices, led scalable React + Node.js architecture planning, drove performance optimizations, and collaborated on cross-team delivery improvements.
Junior Full Stack Developer at SoftKraft
October 31, 2016 - August 15, 2025Built UI components using React.js, JavaScript, and Material UI focusing on accessibility and performance. Developed RESTful API endpoints with Node.js using Express and ORM libraries. Integrated OpenAI GPT-3.5/4 APIs for chat features and smart suggestions, created AI-powered content summarizers reducing manual workload by 50%. Maintained test coverage above 80%. Implemented secure authentication with JWT and bcrypt, managed state using Redux Toolkit, and created validated dynamic forms. Set up DevOps pipelines with GitHub Actions and Docker, supported Agile delivery practices, prototyped vector search with FAISS, maintained API documentation, and built operational automation tools with Node.js CLI scripts.
Senior Full Stack Engineer at Andersen Lab
July 1, 2025 - August 28, 2025Led development of AI-powered risk prediction platform using Python FastAPI and React.js, reducing false positives by 45%. Developed frontend dashboards with React and Vue.js improving usability by 35%. Implemented semantic search with ElasticSearch and vector DBs. Engineered real-time ETL and streaming pipelines using Kafka, Spark, and Celery. Designed secure REST APIs with FastAPI and SQLAlchemy following OWASP standards. Architected LLM fine-tuning workflows and deployed workloads on AWS with 99.98% uptime. Built A/B testing framework, optimized PostgreSQL queries to cut latency by 40%, and automated CI/CD pipelines reducing release time by 70%. Migrated monolith to microservices architecture and introduced GDPR-compliant data governance. Mentored engineers and partnered with founding teams to prototype AI-driven MVPs with rapid feature delivery in agile cycles.
Senior Full Stack Engineer at Instinctools
January 1, 2023 - August 28, 2025Delivered multi-tenant analytics platform leveraging Spark, Airflow, and PostgreSQL. Developed user interfaces using React, Vue, Storybook, and Vuetify. Created investment forecasting models in Python with Pandas and scikit-learn. Designed REST and GraphQL APIs for scalable data exchange. Deployed systems on AWS with Kubernetes and Terraform. Enforced security best practices including OAuth2, JWT, and 2FA. Built blockchain proof of concept using Hyperledger. Implemented CI/CD pipelines with GitLab CI and Docker. Designed observability solutions using Prometheus and Grafana. Maintained over 85% test coverage across services.
Full Stack Developer at Britenet
February 1, 2019 - August 28, 2025Migrated CRM system from monolith to microservices using Flask, RabbitMQ, and Celery. Developed Node.js APIs for reporting and scheduling. Created dashboards with Vue and React. Optimized PostgreSQL queries improving retrieval speed by 25%. Built log ingestion pipelines with Spark. Deployed churn prediction models using scikit-learn. Automated reporting pipelines with AWS Lambda. Implemented Redis caching and JWT authentication. Setup CI/CD pipelines with CircleCI and Docker. Collaborated closely with data science teams to productionize machine learning models.
Junior Full Stack Developer at SoftKraft
October 1, 2016 - August 28, 2025Developed SaaS application modules with Vue.js, React, and Django. Created predictive models in Python and R targeting logistics optimization. Automated data ingestion workflows leveraging AWS S3 and boto3. Migrated legacy PHP application to Python for improved maintainability. Built geospatial routing with Google Maps APIs. Maintained Kubernetes clusters for staging and QA environments. Ensured 80%+ test coverage with PyTest and implemented continuous integration pipelines. Developed clean UI components with Material UI and BootstrapVue.
Education
Bachelor's Degree in Computer Science at National University of Singapore
April 1, 2011 - September 1, 2014Bachelor's Degree in Computer Science at National University of Singapore
April 1, 2011 - September 1, 2014Bachelor's Degree in Computer Science at National University of Singapore
April 1, 2011 - September 1, 2014Bachelor's Degree at National University of Singapore
April 1, 2011 - September 1, 2014Bachelor's Degree in Computer Science at National University of Singapore
April 1, 2011 - September 1, 2014Bachelor's Degree in Computer Science at National University of Singapore
April 1, 2011 - September 1, 2014Bachelor's Degree in Computer Science at National University of Singapore
April 1, 2011 - September 1, 2014Qualifications
Industry Experience
Software & Internet, Professional Services, Healthcare, Education, Media & Entertainment, Computers & Electronics, Financial Services, Other
Skills
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Expert
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