Sunbytes

Principal JavaScript Engineer

Sunbytes

full-time

Posted on:

Location Type: Remote

Location: Remote • 🇻🇳 Vietnam

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Job Level

Lead

Tech Stack

AWSCloudJavaScriptMongoDBMySQLNode.jsNoSQLPostgresReactTypeScriptVue.js

About the role

  • 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.

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
JavaScriptTypeScriptNodeJSNestJSReactJSVueJSPostgresMySQLMongoDBTypeORM
Soft skills
communicationcollaborationmentorshiptechnical leadership