Available to hire
Senior AI Platform Engineer and Full-Stack Software Engineer with 10+ years of experience designing, building, and scaling production-grade web applications, AI-enabled platforms, payment systems, and cloud-native services.
Hands-on engineer specializing in Python, FastAPI, Django, TypeScript/React, PostgreSQL, AWS, Docker, and Kubernetes—building AI-driven features using OpenAI APIs, LangGraph-style orchestration, RAG pipelines, embeddings/vector search, evaluation workflows, and secure backend integrations; proven to improve throughput, performance, reliability, and to mentor engineers across frontend, backend, cloud, and AI-assisted development practices.
Skills
Experience Level
Expert
Expert
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Expert
Expert
Intermediate
Intermediate
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Beginner
Language
Javanese
Advanced
Work Experience
Senior Full-Stack / AI Platform Engineer at Adyen
September 1, 2020 - PresentDesigned and developed scalable full-stack payment platform features using Python, TypeScript, React, Node.js/Java, PostgreSQL, REST APIs, and cloud services to enable secure merchant payments and reduce onboarding friction. Built backend services for transaction processing, merchant onboarding, reporting, fraud workflows, and payment operations using microservice patterns, improving transaction throughput by 30%. Developed AI-assisted internal tooling prototypes using OpenAI APIs and LangGraph-style orchestration patterns with Pydantic validation and retrieval workflows for support triage and operational troubleshooting. Implemented RAG-based knowledge retrieval for internal payment documentation, compliance workflows, API references, and support playbooks. Built secure integrations across payment processors and compliance providers using OAuth and role-based access controls with structured/audit-friendly logging. Optimized PostgreSQL queries, caching, and asynchronous processing to r
Full-Stack Developer at Wayfair
March 1, 2017 - July 1, 2020Developed and maintained high-traffic e-commerce applications using React, JavaScript/TypeScript, Node.js, REST APIs, and SQL-backed services for product discovery, checkout, orders, and customer accounts. Built frontend features for search, checkout, cart management, order tracking, and profiles, improving usability across desktop and mobile. Designed backend APIs connecting catalog, pricing, inventory, payment, and fulfillment services for near real-time synchronization. Improved page load times by 25% through React optimizations, bundle and API improvements, caching, and database query tuning. Created analytics-enabled dashboards and reporting tools for conversion funnels and order workflows; implemented A/B testing, analytics tracking, and feature flags for controlled rollouts. Improved backend reliability via refactoring, stronger error handling, and increased test coverage; supported production releases, debugging, monitoring, and incident response.
Frontend / Healthcare Data Engineer at Komodo Health
January 1, 2012 - March 1, 2017Built responsive healthcare data applications and analytics dashboards using JavaScript, HTML/CSS, AngularJS/React, REST APIs, SQL, and AWS-hosted services. Implemented data visualization features such as patient insights, reporting workflows, clinical analytics, filtering/search, and internal intelligence tools using React and Chart.js. Integrated frontend apps with backend APIs to present large datasets and support interactive exploration. Collaborated with backend engineers, data analysts, product managers, and UX teams to translate complex requirements into reliable, user-friendly web apps. Improved performance by optimizing frontend rendering, page-load behavior, reusable components, and API data loading patterns. Followed secure access-control/data-handling and release-review practices for sensitive information; built reusable UI components and supported testing, debugging, code reviews, and releases with Jest and pipeline workflows.
Education
Master of Science in Computer Science at National University
January 1, 2019 - January 1, 2021Bachelor of Science in Computer Science at Pennsylvania State University
January 1, 2006 - January 1, 2010Master of Science in Computer Science at National University
January 1, 2019 - January 1, 2021Bachelor of Science in Computer Science at Pennsylvania State University
January 1, 2006 - January 1, 2010Qualifications
Industry Experience
Software & Internet, Financial Services, Healthcare, Computers & Electronics
Skills
Experience Level
Expert
Expert
Expert
Expert
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Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Beginner
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