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Senior Software Engineer with 10+ years experience building scalable, cloud-native platforms, high-performance marketplaces, and enterprise SaaS solutions. Expertise spans global payroll/ HR systems, AI-augmented enterprise services, marketplace architecture, mobile/web platforms, and custom product delivery.…

Ian Guo

Full Stack Developer, Back-End Developer, AI Engineer, +2

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Senior Software Engineer with 10+ years experience building scalable, cloud-native platforms, high-performance marketplaces, and enterprise SaaS solutions. Expertise spans global payroll/ HR systems, AI-augmented enterprise services, marketplace architecture, mobile/web platforms, and custom product delivery.…

Available to hire

Senior Software Engineer with 10+ years experience building scalable, cloud-native platforms, high-performance marketplaces, and enterprise SaaS solutions. Expertise spans global payroll/ HR systems, AI-augmented enterprise services, marketplace architecture, mobile/web platforms, and custom product delivery.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

Founding Engineer at Deel

October 2, 2019 - September 2, 2023

Built backend integrations using LangChain and RAG pipelines for intelligent automation and predictive task management. Deployed real-time dashboards with WebSockets for monitoring and alerts. Strengthened sync communication using event-driven processing for system interoperability across multiple hospital systems. Collaborated closely with product and QA teams, maintaining a strong TDD culture and continuous delivery practices.

Full Stack Developer at Airbnb

April 2, 2016 - September 2, 2019

Built core payroll, compliance, and onboarding systems using React, Node.js, and Python microservices, supporting a rapidly growing global user base. Integrated AI-assisted automation into internal tools, including document processing, contract analysis, and support workflows to reduce manual operations. Delivered real-time dashboards and tooling to scale internal operations.

Software Developer at Appstem

February 2, 2014 - March 2, 2016

Delivered end-to-end web and mobile applications for startups using JavaScript, React, Node.js and Python. Designed APIs, databases, and frontend architectures for early-stage products and MVPs. Collaborated closely with founders and stakeholders to shape product requirements and technical roadmaps. Built reusable components and services enabling rapid iteration and scalability. Gained ownership, client communication, and rapid product delivery experience.