Remote Senior Full-Stack AI Engineer

Toptal; United States; Remote; USD 140,000 - 190,000; Full time

Job summary

Toptal is seeking a Senior Full Stack AI Engineer to design, build, and scale production-grade applications powered by generative AI. The role focuses on delivering real products, not prototypes, with an emphasis on architecture and long-term maintainability.

The ideal candidate will own product development end-to-end, integrate AI into production workflows, and balance rapid delivery with solid software fundamentals. Strong ownership and product thinking are essential for success.

Qualifications

• 5+ years of strong full stack engineering experience.
• Backend development with Node.js or Python.
• Frontend experience with React or similar framework.
• Experience building and consuming APIs and cloud deployments.
• Hands-on experience integrating generative AI into production.
• Knowledge of prompt engineering and AI system constraints.

Responsibilities

• Build end-to-end applications with generative AI capabilities.
• Develop scalable backend services, APIs, and integrations.
• Create responsive frontend experiences with modern frameworks.
• Design modular architectures for scalability and reliability.
• Integrate LLMs and AI tools with safeguards and monitoring.
• Optimize data flows, prompts, and system interactions.
• Translate requirements into technical solutions and trade-offs.
• Own features from ideation to deployment and iteration.
• Reuse proven solutions to accelerate delivery.
• Improve product quality using performance data and feedback.

Skills

Full stack engineering

Node.js

Python

React

APIs

Cloud platforms

AI integration

Prompt engineering

Architecture design

Ownership

Job description

Toptal is seeking a Senior Full Stack AI Engineer to design, build, and scale production-grade applications powered by generative AI. The role focuses on delivering real products, not prototypes, with an emphasis on architecture and long-term maintainability.

The ideal candidate will own product development end-to-end, integrate AI into production workflows, and balance rapid delivery with solid software fundamentals. Strong ownership and product thinking are essential for success.