Mô tả công việc

About KiotViet:
KiotViet wishes to transfer a massive power of technology to every business model in Vietnam and Southeast Asia through our simple and effective solutions. KiotViet is committed to creating efficient, convenient products for micro, small and medium-size businesses. Over 15 years, with more than 1500 people who form KiotViet in present, we understand that our members of all time are the foundation of KiotViet nowadays and a launchpad for reaching a better KiotViet in the future. KiotViet is committed to creating a work environment that shares success, shares responsibilities.
We are looking for some developers to join our product team. Joining us, you will have a chance to build the first marketplace in Vietnam with so many technology challenges. As a developer, you will join a growing Data & AI team with mature collaboration across Data Engineering, Data Science, Product, and Engineering functions to build products to enable an excellent experience
What you will do:
Build & ship production AI systems
Architect, fine-tune, and deploy machine learning / deep learning/ LLMs models for real business use cases — owning the full lifecycle from prototype to production;
Set quality bars for stability, latency, accuracy, and scalability under VN merchant traffic patterns;
Define rollback / canary strategies; ensure graceful degradation when models fail.
LLM & Agentic AI workflows
Design and build multi-agent systems using LLM orchestration frameworks (LangGraph, LangChain, or equivalent);
Implement RAG pipelines, knowledge bases, tool use, and memory for agents that operate across merchant workflows;
Lead prompt engineering, evaluation frameworks, and continuous improvement loops (Langfuse / custom eval pipelines);
Build conversational AI (chatbots, voice assistants, sales assistants) that natively understand the Vietnamese commerce context.
Computer Vision & Document AI
Develop and productionize models for OCR, image-to-order parsing, receipt understanding, and product image generation/scanning;
Tune detection / OCR pipelines for low-quality mobile images typical of merchant uploads.
NLP & information extraction
Build search, text classification, intent detection, and structured information extraction services.
MLOps & LLMOps & production reliability
Build and maintain ML pipelines: data ingestion, feature stores, model registry, versioning, A/B testing;
Set up monitoring for model drift, hallucination rates, conversion impact, Prompt versioning, eval, cost, and latency. Drive cost optimization for inference (LLM API spend, GPU utilization).
Cross-functional collaboration & leadership
Partner with Product Managers and Business Analysts to translate VN merchant pain points into AI solutions (not just features);
Work with Data Engineers on data pipelines, quality evaluation, and feature analysis;
Review code, mentor junior engineers, and contribute to AI engineering standards;
Evaluate emerging models, frameworks, and partnerships (open-source agent frameworks, foundation model providers) and recommend adoption.

Yêu cầu công việc

Must have:
3-5 years of hands-on ML / AI engineering experience, with 2+ years shipping AI features to production at scale;
Strong Python and PyTorch/TensorFlow; comfortable with FastAPI, async patterns, and modern backend infrastructure;
Proven track record building LLM applications in production — RAG, agent orchestration, prompt engineering, eval — with at least one significant project shipped;
Experience with at least 2 of: Computer Vision, OCR / document AI, NLP, conversational AI;
Solid grasp of MLOps: model registry, monitoring, A/B testing, observability;
Ability to read papers, prototype quickly, and translate research into production code.
Nice to have:
Experience with LangGraph, LangChain, or comparable agent frameworks;
Production experience with multi-agent systems or autonomous workflows (not just chatbots);
Experience with Langfuse, Weights & Biases, or similar for LLM observability and evaluation;
Domain knowledge in commerce, POS, retail, or F&B operations;
Experience optimizing inference cost (model quantization, prompt compression, caching strategies).

Quyền lợi dành cho ứng viên

Top salary range in the market (willing to negotiate);
Compensation, a 13th month salary depending on employee’s performance;
Performance bonus (up to 2-month salary);
Social – Health – Insurance paid fully. Healthcare: Annual health check-up, Premium Health Insurance (from level senior according to the company's regulations);
Advantageous and yield benefits, other benefits such as holiday vacations, benefits for employee’s relatives;
Unlimited chance of being promoted based on employee’s performance.

Kỹ năng yêu cầu

Python

Địa điểm và thời gian làm việc

Địa điểm làm việc

Hà Nội: 3-6 floors, 1A Yet Kieu, Phường Cửa Nam

Cách thức ứng tuyển

Ứng viên nộp hồ sơ trực tuyến bằng cách bấm Ứng tuyển ngay dưới đây.

Hạn ứng tuyển

26/11/2026 (Còn 28 ngày)

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