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Venkat User

@venkatuser5

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Principal Software Engineer at Appen, architecting closed-loop AI platforms that process 2M+ daily transactions.

India

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At Appen, I architected a closed-loop AI platform connecting contributor operations, Databricks data infrastructure, and production AI agents. The platform processes more than 2 million daily transactions, and its agents automate operational decisions.

I also designed AI products including a voice-first interviewer using WebRTC and OpenAI Realtime, an LLM evaluation platform, and AppenLens, a production MCP server for secure Databricks analytics access. Before Appen, I architected HIPAA-compliant Healthcare Cloud modules at Salesforce and re-architected Intuit's $180M-per-year e-commerce platform into microservices on AWS.

Experience

Work history, roles, and key accomplishments

Current

Principal Software Engineer

Current

Appen

Jul 2023 - Present (3 years 4 months)

Founding technical lead for Appen's Hyderabad engineering site, scaling the team to 40+ engineers and defining engineering practices. Architected a closed-loop AI platform processing 2M+ daily transactions and delivered multiple AI products including an AI interviewer and evaluation platform.

Principal Member of Technical Staff

Salesforce

Jul 2021 - Jul 2023 (2 years)

Architected HIPAA-compliant Healthcare Cloud modules on Salesforce's multi-tenant platform, designing data models and event-driven care plan orchestration. Delivered real-time patient data views and drove architectural standards across the organization.

Salesforce HealthCloud HIPAA Data Modeling Event Driven Architecture API Design Distributed Systems Microservices Mentorship

Principal Software Engineer

Intuit

Feb 2020 - Jul 2021 (1 year 5 months)

Re-architected Intuit's $180M/yr e-commerce platform from monolith to microservices on AWS, designing migration strategy and implementing resilience patterns. Led the technical strategy for the platform's cloud-native transformation.

Java Spring Boot Oracle MS SQL Server ActiveMQ Spark Data Lake Redis AWS Kubernetes Microservices Domain Driven Design API Gateway Circuit Breakers Retry Logic

Staff Software Engineer

Intuit

Aug 2016 - Dec 2019 (3 years 4 months)

Architected core capabilities for QuickBooks Desktop In-Product Discovery, the #1 acquisition channel for ~4M customers. Built ML-driven targeting and streaming infrastructure handling 4,000+ requests per second.

Spring Boot Kafka Segment AWS Kubernetes ETL Hive AEM Oracle Redis Machine Learning Real Time Data Streaming A B Testing

Lead Software Engineer

Intuit

May 2011 - Aug 2016 (5 years 3 months)

Led the revamp of QuickBooks Payment Reconciliation and Rebill services, designing idempotent transaction processing and automatic reconciliation. Owned the full feature lifecycle from spec to production rollout.

Java Spring Boot Payment Systems Idempotency Financial Data High Volume Transactions Agile Release Management

Senior Software Development Engineer

McAfee

Apr 2007 - May 2011 (4 years 1 month)

Delivered end-to-end on operating-system components, system security, and endpoint protection products in an Agile environment. Authored an internal publication on live-patching techniques.

Operating System System Security Endpoint Protection Agile C C++