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Jonas Shuai
Mid-level Full-Stack Software Engineer specializing in cloud, microservices, and React/Java
Menlo Park, CASoftware Engineer Intern (worked in 2024 & 2025)3 years experienceMid-LevelManufacturingEnergyRetail
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About
Software engineer with experience at PayPal and JPMC building large-scale onboarding/account setup systems using React/TypeScript with Spring Boot/Node microservices and Kafka. Also built an Ignition-based SCADA monitoring tool at Mainspring Energy that became the default for manufacturing/test engineers by aggregating real-time telemetry and historical test data.
Experience
Software Engineer Intern (worked in 2024 & 2025)Mainspring Energy
Full-Stack Software EngineerGap Inc.
Software EngineerPayPal
Front-End DeveloperJPMorgan Chase & Co.
Education
University of San Franciscomaster, Computer Science (2025)
Boston Universitybachelor, Electrical Engineering (2019)
Key Strengths
- Owned end-to-end customer-facing onboarding/signup flow (frontend through backend integration) at PayPal
- Rapid iteration with quality controls: small testable changes, feature flags, automated tests, CI, and post-release monitoring
- Scalable frontend architecture using shared UI components and custom hooks with strict TypeScript contracts
- Microservices experience at scale (PayPal/JPMC) with Kafka-based async workflows; addressed ordering/retries/visibility via idempotency and DLQs
- Built and drove adoption of internal SCADA monitoring tool by iterating with engineers during real test runs
- Prioritization under competing priorities using customer impact and checkout risk during peak sales events
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