jason guo

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Senior Backend Engineer

Medely

Apr 2023 - Current (3 years 3 months)

Led architecture and scaling of polyglot microservices (Node.js, Go, Python) for a real-time healthcare staffing platform, driving 99.9% uptime through disciplined system design and proactive reliability engineering. Owned end-to-end delivery of an LLM-powered feature extraction and ETL pipeline, partnering with product and data science teams to translate high-level business goals into incremental technical milestones; implemented schema validation, monitoring, and drift detection, improving shift-fill rate by 20%. Collaborated cross-functionally to break down complex staffing and matching requirements into phased technical deliverables, aligning API design, data modeling, and rollout strategy with measurable business KPIs. Built resilient,
Software Development Engineer III

Amazon

Apr 2019 - Mar 2023 (4 years)

Designed and implemented an IoT telemetry ingestion platform using AWS IoT Core, Kinesis, and Lambda, enabling real-time monitoring for industrial logistics and processing over 50 million events per day. Developed intuitive data visualization dashboards using React and WebSocket, surfacing live insights for warehouse operators and reducing equipment downtime by 25%. Architected a fully serverless backend with API Gateway, DynamoDB, and Step Functions, improving scalability while reducing infrastructure costs by 40%. Built data lake pipelines using S3, Athena, and Python to streamline analytics for logistics and forecasting teams, reducing reporting times from hours to minutes. Implemented CQRS pattern and microservices architecture, improvi
Software Engineer

Deloitte

Jan 2017 - Mar 2019 (2 years 3 months)

Education 0% verified

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