(Lead) Senior AI Engineer

Hồ Chí Minh

Full-time

What you will do

• Build and deploy LLM-based systems for internal use (Agentic BI, chatbots, automation tools);
• Train, fine-tune, and evaluate LLMs (SFT, RAG optimization, preference tuning);
• Design and maintain large-scale data pipelines (ETL, feature pipelines);
• Develop and scale AI Agents (tool usage, planning, memory, multi-step reasoning);
• Optimize system performance, latency, and cost at scale; Build internal tools (NLP SQL, NLP- dashboards) for Data/Business teams.

What you will need

• 4+ years of working experience;
• Hands-on experience with LLMs:
• • Fine-tuning (LoRA/QLoRA or full fine-tuning);
  • Evaluation (offline + A/B testing);
• Strong understanding of:
• • RAG, embeddings, vector search;
  • Prompt engineering & context optimization;
• Experience building AI Agents (LangChain, LangGraph or custom orchestration);
• Experience with data systems:
• • Apache Spark;
  • Apache Doris;
• Strong Python + backend (API, async, microservices);
• Good system design thinking (quality – latency – cost trade-offs).

Nice to Have

• Experience training/adapting open-source LLMs (LLaMA, Mistral);
• Familiar with vector DBs (Milvus, FAISS, Pinecone);
• Knowledge of distributed systems (Kafka, Redis);
• Experience with inference optimization (vLLM, TensorRT-LLM).

Bonus (Strong Advantage)

• Frontend experience (React, Next.js, or similar) to build internal AI tools/UI

  (e.g., chatbot UI, Agent dashboards, BI interfaces);

• Built production-grade AI Agents / LLM systems;
• Open-source projects or strong GitHub portfolio;
• Strong product thinking & business understanding.