AI Engineer

Company DescriptionVinSmart Future (VSF) is the leading technology company within the Vingroup Corporation, formed by the merger of the group's entire technology ecosystem, including VinApp, VinIT, VinBigdata, and other tech units. As a core driver of Vingroup's future growth, VSF is at the forefront of technological development, with artificial intelligence (AI) as its foundation. With a talented team of nearly 4,000 local and international technology experts, VSF focuses on creating high-utility technologies that enhance lives and connectdata, models, and infrastructure to unlock new possibilities. Job Description

• Design, train, and deploy AI models for production use, covering CV, NLP, generative AI, and speech systems (ASR, TTS, speech-to-speech).
• Build and optimize pipelines for pretraining, fine-tuning, inference, and evaluation, applying techniques such as transformers, RAG, RLHF/DPO, and model optimization (distillation, quantization)
• Adapt foundation models (e.g., Whisper, Qwen, XTTS) for Vietnamese and multi-domain use cases, improve performance (accuracy, latency, naturalness), and develop conversational AI systems like voice assistants.
• Collaborate with cross-functional teams to deliver end-to-end AI solutions, build data pipelines and evaluation frameworks, and continuously apply new AI research into real-world applications. RequirementsStrong foundation (mandatory):
• Python (advanced), solid coding practices (clean, modular, production-ready)
• Deep Learning frameworks: PyTorch (preferred) or TensorFlow
• Strong fundamentals: ML/DL, NLP, linear algebra, probability, optimizationModel development & deployment:
• Hands-on experience training, fine-tuning, and deploying modelsto production
• Experience with transformer-based models (LLMs, seq2seq)
• Familiar with RAG, LLM applications OR model inference pipelines At least 3+ YOE in ONE domain expertise:
• NLP/LLM: Transformers, RAG, prompt engineering, conversational AI
• Speech AI: ASR or TTS, working with models like Whisper, XTTS, speech pipelines
• Computer Vision: Detection, tracking, segmentation
• Agentic AI: Multi-agent systems, tool-using agents, workflowsModel training & optimization:
• Experience with fine-tuning (SFT), domain adaptation, evaluation metrics
• Familiar with at least one: RLHF / DPO / PPO OR model optimization (quantization, distillation)Engineering& deployment:
• Experience with API development (FastAPI/Flask) or microservices
• Familiar with Docker, CI/CD, cloud (AWS/GCP)
• Working knowledge of ML lifecycle / MLOps (MLflow, W&B is a plus)Nice to Have:
• Experience in Vietnamese Speech AI (ASR/TTS) or multi-accent systems
• Experience in Smart City / large-scale systems / real-time AI
• Knowledge of streaming systems, low-latency inference, speech-to-speech
• Background in research, publications, or open-source AI projectsContact: Ms. Nguyệt Zalo/Call: 0769 288 088Email: v.nguyetnta15@vinsmartfuture.techOffice:Hanoi: Technopark, Gia LamHCM: Vincom Dong Khoi