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Johnny Tran

@baots

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Lead Engineering at Miss Money Penny who built a production RAG platform and cut LLM-layer latency by 10–20%.

Vietnam

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What I'm looking for

I’m looking for a product-focused role in a collaborative, psychologically safe engineering culture with strong code-review and design-review practices. I’m especially interested in low-latency distributed systems, large-scale data platforms, and applied LLM research and evaluation.

At Miss Money Penny, I own the architecture and delivery of a production RAG platform for customer-submitted insurance documents and internal knowledge bases. I built its document-to-answer pipeline, including query routing and insurance-specific entity extraction, and reduced LLM-layer latency by 10–20% through prompt and context optimization, caching, and request batching.

At Amanotes, I developed BigQuery and Dataflow pipelines that prepared game-event data for recommendation systems, and built subscription and revenue-reconciliation flows. Earlier, I delivered features for TRUCKONNECT and backend APIs for Blueplate Hong Kong; my AI projects include a real-time eKYC solution that placed second in the Data4Life national competition and is used in production identity verification.

Experience

Work history, roles, and key accomplishments

Current

Senior AI Engineer & Technical Lead

Current

Miss Money Penny

Oct 2021 - Present (4 years 11 months)

Lead AI engineering for a GDPR-regulated insurance and financial services platform, owning the architecture and delivery of the company's RAG stack alongside core backend and cloud infrastructure.

Python fastAPI Lang Chain Azure OpenAI OpenAI API Gemini API Claude APIs ChromaDB Faiss Weaviate Milvus Qdrant NER QLoRA Vue.Js Azure Open Telekom Cloud Docker CQRS Event Sourcing Okta Pytest

Senior Backend & AI Engineer

Amanotes

Nov 2019 - Oct 2021 (1 year 11 months)

Built the backend and data platform underpinning subscription monetization and analytics for a portfolio of globally distributed music games.

Python SQL Google Cloud Platform BigQuery Dataflow Google Cloud Dataflow Cloud Storage Pub Sub Cloud Functions Cloud Scheduler BigTable Cloud Logging Apache Beam Docker

Senior Full-Stack Developer

Mitsubishi FUSO Truck and Bus Corporation

Jan 2017 - Oct 2019 (2 years 9 months)

Delivered features and refactoring for TRUCKONNECT, a connected-vehicle telematics platform for commercial fleet operators, working in a distributed Japan–India engineering organization.

React Spring Framework Hibernate MySQL Python REST APIs Microservices Caching