Principal JavaScript Engineer

Posted 99ds ago

Employment Information

Education
Salary
Experience
Job Type

Report this job

Job expired or something wrong with this job?

Job Description

Principal JavaScript Engineer supporting AI-integrated products at an international FinTech company. Collaborating on architecture and delivering maintainable software solutions.

Responsibilities:

  • Design and deliver high-quality, secure, and scalable engineering solutions.
  • Apply AI in practical and impactful ways to automate and enhance customer workflows.
  • Build and operate systems capable of supporting advanced AI workloads at scale.
  • Uphold strong engineering standards, including testing, code quality, and long-term maintainability.
  • Communicate clearly and collaborate across teams to ensure alignment and predictable delivery.
  • Provide mentorship and technical leadership, helping elevate the broader engineering organization.

Requirements:

  • 8+ years of full-stack engineering experience, including leading the delivery of complex systems.
  • Strong proficiency in JavaScript and TypeScript. (BE: NodeJS or NestJS; FE: ReactJS or VueJS).
  • Strong experience with relational databases (Postgres, MySQL), NoSQL (MongoDB), and ORMs (TypeORM, Mongoose).
  • Experience designing scalable architectures, APIs, and services with strong testing and observability practices
  • Good understanding of cloud platforms (AWS preferred), CI/CD pipelines, and DevOps fundamentals.
  • Demonstrated success building and shipping production-grade applications in SaaS, B2B, FinTech, or similar environments.
  • Hands-on experience developing and integrating AI-powered features (LLM-based automation, classification, document processing).
  • Working knowledge of AI development and evaluation tools (vector search, embedding, prompt frameworks).

Benefits:

  • Competitive salary
  • 12 days annual leave (increase with seniority)
  • Year-end performance bonus
  • All insurance covered as Vietnamese law
  • Additional private health insurance for enhanced medical coverage
  • Fully remote work, flexibility
  • Opportunity to work on complex system and international environment
  • Opportunity to work on cutting-edge AI-first solutions, with professional growth in a leadership-focused role.