Full-Stack Engineer (Product)

Salary: Negotiable
Location: 61E Đê La Thành, Hà Nội
Team: Product / Engineering
Employment Type: Full-time, On-site

Role Overview

We are looking for a Full-Stack Engineer who builds real products end-to-end — not someone who waits for tickets.

You will work closely with the product team and founder to turn ideas into working features quickly. This role owns the full loop of product development: architecture, implementation, iteration, and performance.

If you enjoy shipping fast, solving real user problems, and improving systems continuously, this role is for you.

About TeenCare AI

At TeenCare AI, we work at the intersection of education, family, and technology — turning real signals from teens’ lives into clear, actionable guidance for parents.

Each week, teens work with a 1:1 mentor. These interactions generate behavioral insights that our AI translates into structured intelligence for parents.

We combine human mentorship + AI analysis to help families make better decisions at moments that actually matter.

Our platform is already used by families across Southeast Asia, and we’re building toward a system that can scale globally.

What You’ll Do

Build product end-to-end

• Develop full-stack features across frontend, backend, and APIs
• Ship production features quickly with strong code quality
  
  

Work on core product systems

• Parent AI Copilot
• Mentor tools and dashboards
• Behavioral insight systems
• Internal tools that support operations and growth
  
  

Move fast with the team

• Turn product ideas into working prototypes quickly
• Iterate based on real user feedback
• Maintain clean architecture while shipping fast
  
  

Own engineering outcomes

• Debug issues quickly and improve system reliability
• Optimize performance across the stack
• Help define engineering standards as the team scales
  
  

Tech Stack & Engineering Expectations

You will work with a modern web stack and help evolve it as the product scales.

Core Stack

• React / Next.js (App Router)
• Node.js (ExpressJS or NestJS)
  
  

Real-Time Systems

• WebSockets (Socket.io)
• Webhooks
• Streaming responses for AI / LLM integrations (SSE)
  
  

Data Layer

• PostgreSQL (SQL)
• MongoDB (NoSQL)
• Strong understanding of schema design, indexing, and query optimization
  
  

Performance & State

• Redis for caching and session management
• Frontend state management (Zustand / Redux)
  
  

API Design

• RESTful APIs
• GraphQL
  
  

Infrastructure & DevOps

• Git workflows
• CI/CD pipelines
• Cloud platforms such as AWS, Vercel, or GCP
  
  

Security

• Authentication and authorization systems (RBAC)
• Awareness of data privacy and secure system design
  
  

Requirements

Technical

• Strong experience with full-stack development
• Comfortable working across both frontend and backend systems
• Experience building scalable web applications
• Strong debugging and problem-solving ability
  
  

Mindset

• Builder mentality — prefers shipping over discussing
• Strong ownership and accountability
• Comfortable working in a fast-moving startup environment
• Able to work with ambiguity and iterate quickly
  
  

What Success Looks Like

Within the first 3–6 months, you will:

• Ship production features used by real families every week
• Improve system performance and reliability
• Build internal tools that help mentors and parents make better decisions
• Contribute to the architecture of TeenCare’s AI-driven platform
  
  

Location

61E Đê La Thành, Hà Nội

How to Apply

Please include:

• Your CV
• GitHub or portfolio links
• 1–2 products or systems you’ve built
  
  

We care more about what you’ve shipped than where you worked.