Available to hire
Hi, I’m Sandy Lim, a Senior Software Engineer focused on production-grade AI orchestration for fintech and healthcare. I enjoy bridging raw LLM capabilities with reliable, governed enterprise systems to automate complex data workflows while protecting privacy and compliance.
I’m passionate about building end-to-end platforms that accelerate outcomes for customers—ranging from multi-region cloud infrastructure and secure data pipelines to AI toolchains and developer acceleration. I collaborate across teams to deliver robust, scalable software and empower enterprise clients with practical, value-driven technology.
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Language
English
Fluent
Work Experience
Senior Software Engineer at Glean
May 1, 2020 - PresentLed multi-agent orchestration on the Glean Agent platform, architecting systems using LangGraph and LLM function-calling to automate 85% of complex data retrieval tasks across segregated PII/PCI environments, reducing manual intervention in FinTech and HealthTech workflows. Also drove RAG governance, HIPAA/PCI compliance, PII redaction, secure data handling, and developer acceleration through DSL generators that connected legacy banking (ISO 8583) and healthcare (FHIR) systems, slashing integration cycles from weeks to days.
Senior Software Engineer at Amazon Web Services (AWS)
May 1, 2013 - May 1, 2020Managed high-scale cloud environments for 7+ years, evolving infrastructure from EC2/Auto-Scaling Groups to containerized microservices on AWS EKS and ECS to support millions of daily active users. Hardened FinTech/HealthTech pilots with real-time audit trails (CloudTrail), encrypted data pipelines (KMS), and resilient, multi-region DynamoDB/RDS deployments. Built event-driven backends (Lambda, Kinesis, SQS, EventBridge) capable of processing 10k+ events/sec with sub-100ms p99 latency for telemetry and fraud detection, and standardized infrastructure deployment via CloudFormation and Python (Boto3).
Education
Bachelor of Science in Computer Science at University of California, San Diego
January 11, 2030 - January 1, 2013Qualifications
Industry Experience
Software & Internet, Financial Services, Healthcare, Professional Services
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