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Sarthak Singh
Mid-level Full-Stack Engineer specializing in cloud-native systems and LLM applications
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Customer-support/engineering background spanning Informatica PowerCenter ETL and IBM demos/workshops, with hands-on experience hardening data workflows for production (error tables/reject links, validation, restart strategies, alerting, performance tuning). Also demonstrates a clear, systems-level approach to diagnosing LLM/agentic workflow issues (prompt/RAG/tooling/memory) using instrumentation and iterative fixes, and has partnered with sales on POCs by defining success metrics and mapping solutions to customer architectures.
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Key Strengths
- Productionizing ETL prototypes with robust error handling and validation
- Performance tuning using logs to identify and resolve bottlenecks
- Structured real-time troubleshooting for LLM/agentic workflows (isolate → instrument → iterate)
- Strong observability mindset (token/latency/tool-call monitoring and success rates)
- Effective technical demos/workshops tailored to developers (business framing + deep architecture + trade-offs)
- Partnering with sales via clear success metrics, transparent trade-offs, and customer-architecture alignment
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1 publication
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