Senior/Principal JavaScript Engineer

qode.world

Principal JavaScript Engineer architecting AI-first, scalable software for CoderPush’s startup and global-business clients. Leading JavaScript engineering, AI integrations, cloud systems, and team mentorship.

Posted 8/22/2026full-timeRemote • 🇻🇳 VietnamSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in full-stack engineering with a focus on architecting AI-first solutions and delivering production-grade applications. Proficient in mentoring teams and upholding engineering standards while collaborating across product, design, and engineering functions.

Highest-signal resume keywords

Full-Stack Engineering ExperienceAI-Powered Feature DevelopmentJavaScript and TypeScript ProficiencyCloud Platform Knowledge (AWS)CI/CD Pipeline Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

AI Development ToolsNode.jsReactVuePostgresMySQLMongoDBTypeORMMongooseAPI Design

Soft Skills

Fluent English CommunicationMentorshipCollaboration

Tools & Technologies

DevOps FundamentalsCI/CD PipelinesTesting FrameworksObservability Tools

Industry Keywords

SaaSB2BFinTechAccountingBookkeeping

Tech Stack

Tools & technologies

AWSCloudJavaScriptMongoDBMySQLNode.jsNoSQLPostgresReactTypeScriptVue.js

About the role

Key responsibilities & impact

Work closely with Product, Design, and Engineering leadership to set technical direction
Architect robust AI-first solutions
Design and deliver high-quality, secure, and scalable engineering solutions
Apply AI to automate and enhance customer workflows
Build and operate systems supporting advanced AI workloads at scale
Uphold engineering standards, including testing, code quality, and long-term maintainability
Communicate and collaborate across teams for alignment and predictable delivery
Provide mentorship and technical leadership
Help elevate the broader engineering organization

Requirements

What you’ll need

9+ years of full-stack engineering experience, including leading the delivery of complex systems
Fluent in English communication skills, at least C1 level
Demonstrated success building and shipping production-grade applications in SaaS, B2B, FinTech, or similar environments
Hands-on experience developing and integrating AI-powered features such as LLM-based automation, classification, document processing, or workflow enhancements
Working knowledge of AI development and evaluation tools, including vector search, embeddings, prompt frameworks, or AI-assisted development tools
Strong proficiency in JavaScript and TypeScript
Solid experience with modern backend technologies, including Node.js; NestJS is a plus
Experience with frontend frameworks, including React or Vue
Strong experience with relational databases, including Postgres or MySQL
Experience with NoSQL databases, including MongoDB
Experience with ORMs such as TypeORM and Mongoose
Experience designing scalable architectures, APIs, and services with strong testing and observability practices
Good understanding of cloud platforms, AWS preferred
Experience with CI/CD pipelines and DevOps fundamentals
Excellent communication skills and experience working closely with Product, Design, and QA teams
Proven history of mentoring engineers and improving engineering quality across teams
Experience in FinTech, particularly accounting or bookkeeping, is a nice-to-have

Benefits

Comp & perks

Competitive salary, negotiable for strong candidates
Year-end bonuses
Performance-based rewards
12 days of annual leave and 3 emergency leave days, increasing to up to 22 days from your 5th year
Hybrid/Remote-friendly culture
Flexible hours
Laptop support
Training and certification allowances
50% sponsorship for AWS Certification Vouchers
Clear career path with ongoing coaching
Open, trust-based environment with no micromanagement
Access to modern AI-powered tools
Transportation allowances
Team-building activities
Company trips
Gifts for key occasions, including onboarding, holidays, and work anniversaries