Principal AI Engineer (Python, Machine Learning, NLP)

Money Forward Vietnam Co., Ltd

Ho Chi Minh, Vietnam

3-5 Years

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Posted 8 hours ago
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Job Description

Principal AI Engineer (Python, Machine Learning, NLP)

Urgent

Ho Chi Minh

Tech/Engineer

Responsibility

We are looking for a Prompt Engineer with a strong foundation in large language models (LLMs), prompt design, and system integration someone who can go beyond prompt tuning to design, build, and operate practical AI Agent systems that enhance and automate back-office workflows.

Design and develop AI Agent platforms or applications from scratch, especially for automating and enhancing back-office operations using LLMs
Develop and iterate on high-quality prompts, prompt-chaining strategies, and evaluation pipelines
Monitor agent behavior and system metrics to identify and mitigate hallucinations, performance degradation, or edge cases
Evangelize and integrate tools, workflows, and development cultures to support rapid and responsible AI feature development
Collaborate with backend, frontend, and infrastructure teams for seamless integration and delivery
Mentor team members in best practices for prompt engineering, LLM integration, cloud AI tools, and evaluation methodologies
Take technical ownership of AI initiatives, leading cross-functional collaboration (BE/FE/AI/SRE), and driving system-level decisions

Just for your reference: Money Forward will become the No.1 Back-Office AI company

Requirement

Technical

Must have

3+ years of experience with Python (or Golang as an alternative)
Practical experience designing and optimizing prompts for LLMs in production environments
Basic understanding of:

Frontend development (e.g., TypeScript/React)
Backend development (e.g., web frameworks, databases)
Cloud infrastructure (e.g., Azure, AWS, Terraform, serverless architecture)

Experience with:

Architecture design about multi agent orchestration
LLM orchestration frameworks like AutoGen, LangChain and LlamaIndex
RAG architecture and vector stores
Integrating AI services from platforms like Azure AI Foundry, AWS Bedrock, or GCP Vertex AI

Nice to Have

5+ years for Web development
Familiarity with fine-tuning or instruction-tuning workflows
Understanding of AI system deployment from a security/compliance standpoint
Exposure to IaC and CI/CD in production systems
Experience in B2B application development
Experience introducing traditonal machine learning techiniques and related ML pipeline to improve businesses.

Communication

Experience to lead a project as a team leader (required for Leader position)
Experience to educate team members
Strong sense of ownership

Our benefits

Caring Mental & Physical Recreation

Hybrid working: 2 days at the office and 3 days WFH
Working hour: Flexible start 8AM-9AM from Mon-Fri
Full salary in probation
Insurance: Applied from Probation period:

Social Insurance, Health Insurance, Unemployment Insurance (on 100% salary)
Private health insurance & accident insurance. From Managing level: extra for family members