Senior Full-Stack AI Engineer — Healthcare Platform

Johnson & Johnson Co.; Singapore; Sur place; SGD 120 000 - 180 000; Plein temps

Résumé du poste

Johnson & Johnson is seeking a Senior Full Stack Engineer to build AI-powered platforms within the TS APAC Digital and Connected Commerce team. You will develop scalable web apps using Node.js, TypeScript, React, and Python, embedding AI features across the product lifecycle.

In a fast-paced Agile environment, you’ll prototype, deploy on AWS, integrate LLM APIs, and collaborate with product, design, and business teams to deliver healthcare solutions that improve patient outcomes at scale.

Qualifications

• 4–8 years of experience developing and deploying production-grade web applications.
• Strong full stack experience (frontend + backend) building scalable systems.
• Experience with cloud platforms (AWS preferred).
• Hands-on experience integrating LLM APIs or AI-powered features into applications.
• Familiarity with frameworks such as LangChain, LangGraph, or similar.
• Experience using AI-assisted coding tools (e.g., Copilot, Amazon, Kiro) in day-to-day development.
• Experience with prompt engineering and evaluation of LLM outputs.
• Strong understanding of modern software engineering practices (Git workflows, code reviews, CI/CD, Agile).
• Excellent problem-solving, debugging, and communication skills.

Responsabilités

• Design, build, and maintain scalable web applications using Node.js, TypeScript, React, and/or Python.
• Develop and maintain RESTful or GraphQL APIs and integrate third-party services.
• Build responsive, accessible, and reusable UI components with modern UX patterns.
• Design and manage data models using SQL and NoSQL databases.
• Deploy and operate applications in AWS, following best practices for scalability, reliability, and observability.
• Work with modern architectures including serverless, microservices, and containerized environments.
• Integrate LLM APIs into applications.
• Build AI-driven features such as search, summarization, recommendation, and conversational interfaces.
• Utilize frameworks such as LangChain, LangGraph, or similar orchestration tools.
• Prototype and evaluate new AI capabilities, rapidly iterating with an experimentation mindset toward production-ready AI-first solutions.
• Leverage AI-assisted development tools to accelerate coding, debugging, and testing.
• Practice AI-paired programming and spec-driven development for AI-assisted implementation.
• Use AI for generating tests, documentation, and code reviews with human validation.
• Continuously evaluate and adopt emerging AI developer tools and workflows.
• Write clean, maintainable, and well-tested code.
• Participate in code reviews, technical design discussions, and Agile ceremonies.
• Collaborate with cross-functional teams across business and technology domains.
• Contribute to a culture of continuous improvement, experimentation, and learning.

Connaissances

Full stack development

Cloud AWS

LLM APIs integration

LangChain / LangGraph

AI-assisted coding tools

Prompt engineering

Git CI/CD Agile

Problem solving

Communication skills

Outils

Docker

Kubernetes

Jenkins

Description du poste

Johnson & Johnson is seeking a Senior Full Stack Engineer to build AI-powered platforms within the TS APAC Digital and Connected Commerce team. You will develop scalable web apps using Node.js, TypeScript, React, and Python, embedding AI features across the product lifecycle.

In a fast-paced Agile environment, you’ll prototype, deploy on AWS, integrate LLM APIs, and collaborate with product, design, and business teams to deliver healthcare solutions that improve patient outcomes at scale.