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I'm a software engineer specializing in enterprise AI platforms and backend systems. I have solid hands-on experience with Java, Python, Spring, and microservices, and I enjoy building scalable, production-grade services and AI-integration pipelines. I thrive on turning data into actionable knowledge and collaborating with cross-functional teams to deliver AI-powered features. Over the past few years, I've led architecture and deployment of RAG-based systems, optimized LLM inference, and delivered NLP automation and real-time knowledge retrieval. I’m passionate about AI engineering, scalable architectures, and delivering production-ready features that improve efficiency and accuracy in enterprise applications.…I'm a software engineer specializing in enterprise AI platforms and backend systems. I have solid hands-on experience with Java, Python, Spring, and microservices, and I enjoy building scalable, production-grade services and AI-integration pipelines. I thrive on turning data into actionable knowledge and collaborating with cross-functional teams to deliver AI-powered features. Over the past few years, I've led architecture and deployment of RAG-based systems, optimized LLM inference, and delivered NLP automation and real-time knowledge retrieval. I’m passionate about AI engineering, scalable architectures, and delivering production-ready features that improve efficiency and accuracy in enterprise applications.

Gidoen Liu

AI Prompt Engineer, AI Developer, AI Engineer, +6

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I'm a software engineer specializing in enterprise AI platforms and backend systems. I have solid hands-on experience with Java, Python, Spring, and microservices, and I enjoy building scalable, production-grade services and AI-integration pipelines. I thrive on turning data into actionable knowledge and collaborating with cross-functional teams to deliver AI-powered features. Over the past few years, I've led architecture and deployment of RAG-based systems, optimized LLM inference, and delivered NLP automation and real-time knowledge retrieval. I’m passionate about AI engineering, scalable architectures, and delivering production-ready features that improve efficiency and accuracy in enterprise applications.…I'm a software engineer specializing in enterprise AI platforms and backend systems. I have solid hands-on experience with Java, Python, Spring, and microservices, and I enjoy building scalable, production-grade services and AI-integration pipelines. I thrive on turning data into actionable knowledge and collaborating with cross-functional teams to deliver AI-powered features. Over the past few years, I've led architecture and deployment of RAG-based systems, optimized LLM inference, and delivered NLP automation and real-time knowledge retrieval. I’m passionate about AI engineering, scalable architectures, and delivering production-ready features that improve efficiency and accuracy in enterprise applications.

Available to hire

I’m a software engineer specializing in enterprise AI platforms and backend systems. I have solid hands-on experience with Java, Python, Spring, and microservices, and I enjoy building scalable, production-grade services and AI-integration pipelines. I thrive on turning data into actionable knowledge and collaborating with cross-functional teams to deliver AI-powered features.

Over the past few years, I’ve led architecture and deployment of RAG-based systems, optimized LLM inference, and delivered NLP automation and real-time knowledge retrieval. I’m passionate about AI engineering, scalable architectures, and delivering production-ready features that improve efficiency and accuracy in enterprise applications.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

Java Developer at Xinyouke Online Education

July 1, 2020 - June 1, 2023

Led backend development for the DDUP Social Learning Platform and DDUP Points Mall, implementing user modules, content feeds, and community features; designed personalized short-video recommendations, anti-piracy protections, and paywall logic; integrated Umeng analytics/notifications; built database schemas and performance optimizations across modules.

Application Development Engineer at Ruiyi Information Technology

July 1, 2023 - November 1, 2024

Contributed to the Yimai Zhiyun project: built medical content delivery and incentive system with integrated AI medical Q&A; designed system architecture, database schema, backend services, and cloud deployment; deployed local LLMs using Ollama and vLLM and developed RAG pipelines; tech stack included Spring Boot, MyBatis, Redis, ElasticSearch, DL4J, and Qwen2.

Application Development Engineer at Tanshi Media

November 1, 2024 - July 1, 2025

Led architecture and development of an enterprise-grade RAG system integrating Elasticsearch vector search and SWIFT-fine-tuned LLMs; built multi-level knowledge bases enabling millisecond-level retrieval; fine-tuned LLMs for HR scenarios with improved long-context and multi-turn reasoning; developed NLP-powered automation for meeting booking and approvals, reducing manual input errors by 80%; designed multimodal retrieval using Qwen-VL to extract structured information from organizational charts and process diagrams.