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Sheldon Lobo

@sheldonlobo

I build compilers, code-analysis tools, and scalable GCP backend systems.

At Oracle, I build LLVM-based SAST tooling, including an AI-based Codex plugin for build integration and code analysis, with translation from Python bytecode and Go SSA to LLVM IR.

I've also built GCP migration and ingestion systems at Pendo, Java APM instrumentation at Oracle and Aternity/Riverbed, and compiler, binary translation, and memory-checking technologies at Oracle and Sun Microsystems.

Experience

Work history, roles, and key accomplishments

Current

Principal Software Engineer

Current

Oracle

Jan 2023 - Present (3 years 8 months)

Developed an LLVM-based SAST tool, including translation of Python bytecode and Go SSA to LLVM IR, and an AI-based Codex plugin for build integration and code analysis.

LLVM SAST Python Go AI Codex Build Integrations Code Analysis

Senior Backend Engineer

Pendo

Jan 2022 - Dec 2023 (1 year 11 months)

Built cross-GCP project migration frameworks for live customer data, handling large-scale data copying and filtering across GCS and Firestore, and responded to customer escalations with real-time event ingestion and batch processing.

GCP GCS Firestore Go App Engine GKE Pub Sub Data Migration Event Ingestion

Principal Software Engineer

Aternity/Riverbed

Jan 2021 - Dec 2022 (1 year 11 months)

Worked on the APM Agent team, developing Java instrumentation using a C++ native profiler with JNI, and a Go-based collector for distributed tracing.

Java C++JNI Go A PM Distributed Tracing Zipkin Jaeger OpenTelemetry Spring WebFlux (Reactive)Reactor Jetty Apache CXF

Staff Engineer

Sun Microsystems

Developed the -xlinkopt compiler option in the Global Optimizer team, including reading/writing ELF files, disassembler/re-assembler for IA-32/AMD64 and SPARC, and building whole program control flow and data flow graphs.