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I am a Senior Software Engineer with extensive experience architecting and developing scalable web applications and microservices. I have a proven track record leading end-to-end development initiatives, spanning database design, API development, frontend implementation, and cloud infrastructure deployment. I am skilled in modern JavaScript, TypeScript, Node.js, and Python ecosystems, with hands-on expertise in serverless architecture and CI/CD automation. My work includes deep experience with payment system integrations, real-time transaction processing, and complex business logic implementation, as well as building production-level AI features from development through QA and deployment. I am a strong advocate for code quality, automated testing, and optimizing developer experience, always striving to deliver robust, maintainable solutions.…I am a Senior Software Engineer with extensive experience architecting and developing scalable web applications and microservices. I have a proven track record leading end-to-end development initiatives, spanning database design, API development, frontend implementation, and cloud infrastructure deployment. I am skilled in modern JavaScript, TypeScript, Node.js, and Python ecosystems, with hands-on expertise in serverless architecture and CI/CD automation. My work includes deep experience with payment system integrations, real-time transaction processing, and complex business logic implementation, as well as building production-level AI features from development through QA and deployment. I am a strong advocate for code quality, automated testing, and optimizing developer experience, always striving to deliver robust, maintainable solutions.

Melvin Yang

Full Stack Developer, Developer, Web Developer, +2

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I am a Senior Software Engineer with extensive experience architecting and developing scalable web applications and microservices. I have a proven track record leading end-to-end development initiatives, spanning database design, API development, frontend implementation, and cloud infrastructure deployment. I am skilled in modern JavaScript, TypeScript, Node.js, and Python ecosystems, with hands-on expertise in serverless architecture and CI/CD automation. My work includes deep experience with payment system integrations, real-time transaction processing, and complex business logic implementation, as well as building production-level AI features from development through QA and deployment. I am a strong advocate for code quality, automated testing, and optimizing developer experience, always striving to deliver robust, maintainable solutions.…I am a Senior Software Engineer with extensive experience architecting and developing scalable web applications and microservices. I have a proven track record leading end-to-end development initiatives, spanning database design, API development, frontend implementation, and cloud infrastructure deployment. I am skilled in modern JavaScript, TypeScript, Node.js, and Python ecosystems, with hands-on expertise in serverless architecture and CI/CD automation. My work includes deep experience with payment system integrations, real-time transaction processing, and complex business logic implementation, as well as building production-level AI features from development through QA and deployment. I am a strong advocate for code quality, automated testing, and optimizing developer experience, always striving to deliver robust, maintainable solutions.

Available to hire

I am a Senior Software Engineer with extensive experience architecting and developing scalable web applications and microservices. I have a proven track record leading end-to-end development initiatives, spanning database design, API development, frontend implementation, and cloud infrastructure deployment. I am skilled in modern JavaScript, TypeScript, Node.js, and Python ecosystems, with hands-on expertise in serverless architecture and CI/CD automation.

My work includes deep experience with payment system integrations, real-time transaction processing, and complex business logic implementation, as well as building production-level AI features from development through QA and deployment. I am a strong advocate for code quality, automated testing, and optimizing developer experience, always striving to deliver robust, maintainable solutions.

Skills

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Intermediate

Intermediate

Work Experience

Senior Software Engineer at Meta

July 1, 2025 - August 6, 2025

Designed and implemented a pharmacovigilance platform processing over 10,000 scientific articles monthly using Python microservices and AWS Lambda. Built a multi-tenant literature processing system serving 50+ pharmaceutical clients with ETL pipelines, LLM integration, and real-time validation. Developed cloud-native infrastructure using Terraform and 15+ AWS services including Lambda, S3, DynamoDB, API Gateway, and OpenSearch. Implemented AI-powered literature extraction engines integrating OpenAI GPT, Google Gemini, and AWS Bedrock. Created NLP pipelines for drug safety signal detection processing 100GB+ literature with high uptime. Developed web applications for drug safety monitoring using Nuxt.js and Vue.js, serving 500+ concurrent users with role-based access control. Orchestrated CI/CD pipelines with GitHub Actions, managed Docker containers with blue-green deployments, and established comprehensive monitoring and test suites achieving over 90% code coverage.

Software Engineer at Cisco

February 1, 2023 - August 6, 2025

Designed and deployed scalable serverless architectures for B2B and B2C SaaS applications using AWS Lambda, API Gateway, and DynamoDB with secure access control via AWS IAM. Built robust React and Next.js infrastructures leveraging React Hooks, TypeScript, Redux Toolkit, and Tailwind CSS with Storybook for component development and optimization techniques like SSR, SSG, and ISR. Migrated legacy monolithic apps to microservices with patterns like Strangler, Database-per-service, Saga, and CQRS. Managed infrastructure with AWS SDK and CloudFormation to streamline deployments, optimized performance and cost by reducing cold start latency and applying caching strategies. Developed microservices in Ruby on Rails with RabbitMQ for communication, created authentication services with Node.js implementing OIDC, SSO, JWT, and 2FA, and applied caching and background job optimizations to improve scalability.

Software Engineer IV at Google

January 1, 2022 - August 6, 2025

Resolved usability issues on YouTube’s TV virtual keyboard for special character input by enhancing GBoard with new controller components in TypeScript. Developed Vietnamese input solutions with rule-based systems and protobuf configurations integrated into GBoard for real-time input transformation. Added language switchers and dynamic keyboard layouts with real-time suggestions. Integrated Mapbox for real estate visualization with property heatmaps, clustering, and GIS features using React and Next.js. Leveraged Apache Kafka and Amazon ElastiCache for real-time data processing and caching. Deployed backend logic with AWS Lambda using provisioned concurrency to optimize performance for millions of users. Managed database connections using RDS Proxy and pre-aggregated data pipelines to enhance UI responsiveness. Designed an OpenAI-powered chatbot for property insights with domain-specific training.

Full Stack Developer at Meltwater

March 1, 2018 - August 6, 2025

Developed a data-driven alert and sentiment analysis system monitoring public sentiment on refugees using social media data. Built AI-powered pipelines utilizing OpenAI GPT-4.1, AWS Bedrock, and traditional ML models to classify posts by sentiment. Migrated backend from Next.js to AWS Lambda within a VPC for secure PostgreSQL connectivity. Implemented real-time sentiment data visualizations using React and Next.js. Established CI/CD pipelines and scalable infrastructure with AWS Amplify and CloudFormation. Improved latency and scalability through an automated ETL pipeline combining AWS Lambda, S3, RDS (Aurora), and DynamoDB.

Software Engineer Intern at Google

June 1, 2015 - August 6, 2025

Contributed to scalable backend service development using C++, Java, and Python. Designed and implemented REST and gRPC APIs and microservices. Optimized data applications via BigQuery and SQL. Maintained CI/CD pipelines using Docker, Kubernetes, and Jenkins. Integrated distributed systems with GCP tools including Cloud Pub/Sub, Cloud Storage, and BigTable. Prototyped machine learning models for weather prediction using TensorFlow and NumPy.