Available to hire
Hi, I’m David Wong, a full-stack software engineer with 10 years of experience building scalable web applications for startups and fast-growing tech companies. I specialize in modern JavaScript frameworks and backend technologies like Node.js, Python, Java, Go, and Ruby on Rails. I love designing APIs, leading projects end-to-end, and optimizing system performance.
I’m passionate about creating smooth developer experiences, clean architecture, and collaborating across teams in fast-paced environments. I enjoy mentoring junior engineers and working on innovative projects involving AI, microservices, and cloud infrastructure. I’m always excited to learn new technologies and improve how products work behind the scenes.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Expert
Expert
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Language
English
Fluent
Javanese
Advanced
Aragonese
Advanced
Work Experience
Staff Software Engineer at Stripe
November 1, 2021 - PresentPerformed critical roles across Stripe Payments, Checkout, and the Dashboard. Contributed to the successful launch of Stripe Terminal and enhanced Radar’s fraud detection engine efficiency by 25%, reducing fraud incidents by 15% within 6 months. Created an AI-powered fraud analysis pipeline integrated with Stripe Radar, leveraging real-time heuristics and ML models. Directed integration of OpenAI APIs to build an internal AI assistant, increasing team productivity and reducing onboarding time by 20%. Championed the development of high-throughput microservices using Go and Java (Spring Boot), leveraging gRPC and Kubernetes within AWS infrastructure. Improved API efficiency by 30% through best practices in REST and GraphQL APIs. Administered observability solutions using Datadog and Prometheus. Contributed frontend enhancements to the Stripe Dashboard using TypeScript and React. Designed interactive data visualizations with D3.js, improving data-driven decision making by 35% and doubli
Senior Software Engineer at Nextiva
October 31, 2021 - July 15, 2025Developed advanced AI voice-agent interfaces using Deepgram and ElevenLabs. Engineered scalable microservices backend using Django, Node.js, and Express.js on AWS EKS achieving 99.99% uptime supporting 500K+ daily requests. Streamlined real-time event handling with Apache Kafka and AWS EventBridge. Improved backend response times by 30% through optimized data storage using PostgreSQL, MongoDB, and Redis. Ensured HIPAA compliance securing sensitive patient data with encryption and auditing. Created analytics dashboards with Tableau, PowerBI, and D3.js. Boosted frontend performance by 35% through SSR, lazy loading, and modular bundling. Automated CI/CD pipelines using AWS CodePipeline, Docker, GitHub Actions, and Jenkins, reducing release cycles and deployment errors. Enhanced software reliability with rigorous testing practices and collaborated with cross-functional teams including product managers and clinical teams.
Staff Software Engineer at Stripe
November 1, 2021 - PresentPerformed critical roles across Stripe Payments, Checkout, and the Dashboard, contributing to the successful launch of Stripe Terminal and enhancing Radar’s fraud detection engine efficiency by 25%, reducing fraud incidents by 15% within 6 months. Created an AI-powered fraud analysis pipeline integrated with Stripe Radar using Python, Pandas, Kafka, and PostgreSQL, reducing false positives and chargebacks. Led integration of OpenAI APIs to build an internal AI assistant increasing team productivity and reducing onboarding time by 20%. Championed high-throughput microservices development with Go & Java, orchestrated with Kubernetes & Docker within AWS infrastructure. Elevated API efficiency by 30% through best practices in REST & GraphQL API development. Administered observability solutions with Datadog and Prometheus. Contributed to frontend systems using TypeScript, React, and Styled Components with test automation, designed interactive data visualizations with D3.js improving data-
Senior Software Engineer at Nextiva
October 31, 2021 - July 15, 2025Developed AI voice-agent interfaces using Deepgram (STT) and ElevenLabs (TTS). Engineered scalable microservices backend with Django, Node.js, and Express.js on AWS EKS, supporting 500K+ daily requests with 99.99% uptime. Streamlined event handling with Apache Kafka and AWS EventBridge, boosting responsiveness. Optimized backend response times by 30% using PostgreSQL, MongoDB, and Redis caching. Ensured HIPAA compliance securing patient data through encryption and auditing. Created analytics dashboards using Tableau, PowerBI, and D3.js for healthcare stakeholders. Improved frontend performance by 35% via SSR, lazy loading, and modular bundling. Implemented automated CI/CD pipelines using AWS CodePipeline, Docker, GitHub Actions, and Jenkins achieving faster release cycles and fewer deployment errors. Improved software reliability reducing production defects by 30%. Collaborated cross-functionally with product managers, clinical teams, and security professionals to deliver scalable, com
Education
Bachelor’s Degree of Computer Science at The University of Texas at Austin
January 1, 2011 - December 31, 2015Bachelor’s Degree at The University of Texas at Austin
January 1, 2011 - December 31, 2015Qualifications
Industry Experience
Software & Internet, Financial Services, Healthcare, Telecommunications
Skills
Experience Level
Expert
Expert
Expert
Expert
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