Top 3 Reasons To Join Us Hybrid working; Flexible time; Macbook Pro L&D programs; 17 days off 13.7 million B2C users; 140,000+ business customer The Job

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

Your Skills and Experience

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

Why You'll Love Working Here

Caring Mental & Physical Recreation:

Hybrid working
Full salary in probation & 13th month salary
Social insurance on full salary from probation
Premium Health insurance from probation
Flexible start 8AM-9AM from Mon-Fri
16 days off annually + 1 Birthday Leave
Paternity leave extra 5 days
Annual company trip; Quarterly team building activities
Club activities
Annual health check

Caring Career & Development:

Clear Career path
Foreign language & International technology-related certifications sponsoring
Well-equipped facility: Macbook pro, additional monitor,..
Soft skill workshops
Tech seminars
Monthly and biannually Recognition Awards
Performance review twice/year

Benefits

Caring Mental & Physical Recreation:

Hybrid working
Full salary in probation & 13th month salary
Social insurance on full salary from probation
Premium Health insurance from probation
Flexible start 8AM-9AM from Mon-Fri
16 days off annually + 1 Birthday Leave
Paternity leave extra 5 days
Annual company trip; Quarterly team building activities
Club activities
Annual health check

Caring Career & Development:

Clear Career path
Foreign language & International technology-related certifications sponsoring
Well-equipped facility: Macbook pro, additional monitor,..
Soft skill workshops
Tech seminars
Monthly and biannually Recognition Awards
Performance review twice/year

Principal AI Engineer

Job Description

Responsibility

Benefits