Middle/Senior AI Developer

Middle/Senior AI Developer

LOCATION: ONSITE CUSTOMER SITE – DIS1

JOB DESCRIPTION 

We’re looking for a Middle/Senior AI Engineer to join a fast-moving team building an AI Sales Assistant serving approximately 2,000 monthly active users.
This is a hands-on, full-time role with end-to-end ownership, from technical design and development to testing, deployment, and production optimization.

  • Design, build, and enhance RAG pipelines and agentic / multi-agent AI systems.
  • Develop and maintain production-grade services using TypeScript, Node.js, Next.js, Python, and SQL/PostgreSQL.
  • Integrate AI solutions with internal APIs, Azure, and Databricks.
  • Implement LLM evaluation, tracing, observability, quality monitoring, and LLM-as-a-Judge.
  • Optimize retrieval quality, prompt strategies, model performance, latency, and reliability.
  • Take ownership of features end-to-end: design → build → test → deploy → monitor.
  • Work closely with the DS/AI Manager on technical decisions, architecture, and roadmap delivery.
  • Troubleshoot and continuously improve AI/backend systems in production.

REQUIRED SKILLS AND EXPERIENCE 

  • 4+ years of professional software engineering experience.
  • Hands-on experience building and deploying RAG pipelines, including: Embeddings, Vector search, Retrieval strategies, Retrieval tuning / optimization.
  • Strong SQL and relational database skills, particularly PostgreSQL or equivalent.
  • Proven experience shipping and maintaining production AI/backend systems.
  • Strong software engineering fundamentals and experience working with production codebases.
  • Ability to work independently from written technical specifications and take ownership of deliverables.
  • Good English communication skills.
  • Portfolio, GitHub, or live demo demonstrating relevant AI/engineering work is required.

PREFERRED SKILLS 

  • Experience with multi-agent / agentic AI systems.
  • Experience with Azure / AKS.
  • Experience with Databricks.
  • Experience with LLM evaluation, observability, and monitoring.
  • Experience in Fintech, Insurance, or other regulated industries.
  • Knowledge of PII protection, data security, and AI security.
  • Experience with AI coding assistants such as GitHub Copilot or Claude Code.

BENEFITS 

  • Salary: Up to 45M (Gross)
  • Probation salary is 100% of official salary 
  • 13th-month salary and performance review twice a year 
  • Bonus for special occasions each year (Labor Day, National Day, Solar New year, Lunar New Year) 
  • Project Bonus 
  • IT Certificate allowance (AWS/Azure, Outsystems, Salesforce, PMP, Agile/Scrum) 
  • Health Care Insurance 
  • Social, health and unemployment Insurance following Government policy 
  • Enjoy company summer trips and other team building activities held monthly and quarterly 
  • Professional, creative and dynamic working environment

CONTACT