Senior Applied AI Engineer

About the Position

Senior Applied AI Engineer

We are seeking a Senior Applied AI Engineer to join our Engineering team at Bubble, a leading AI visual development platform. This role is full-time and based in NYC, New York, with a remote-friendly setup.

Responsibilities

• Design and build agentic workflows that enable multi-step AI-driven app generation for real users at scale.
• Improve LLM reasoning and retrieval techniques to enhance Bubble’s AI-powered development tools.
• Build and maintain production LLM pipelines-including prompt engineering, evaluation frameworks, and latency optimization.
• Fine-tune and optimize LLMs for AI-assisted app-building workflows using proprietary Bubble datasets.
• Own AI feature quality end-to-end: from prototype through evaluation, deployment, and monitoring.
• Work closely with the AI team to scale AI research into production systems.

Requirements

• 5+ years of industry experience as a Software or Machine Learning Engineer, or a Master’s/PhD in AI, ML, or NLP with 3+ years of production experience.
• A track record of shipping LLM-powered features in production-not just API integrations, but real systems with evaluations, monitoring, and iteration.
• Hands-on experience building agentic AI workflows and debugging multi-step agent failures.
• Strong command of RAG, context engineering, and retrieval pipeline design.
• Experience with transformer models, embeddings, and AI model evaluation.
• Proficiency in Python for AI/ML work and comfort working in a TypeScript/Node.js codebase.
• Familiarity with tools like Hugging Face, LangChain, or Mastra.
• Excellent communication skills and a collaborative, product-minded approach.
• Alignment with our values: a desire to empower others, a focus on team and user success, and a willingness to experiment and learn from failures.

We Offer

• Compensation: Base Salary $201K – $261K • Offers Equity
• Benefits:
  • Comprehensive health coverage
  • 401(k) matching
  • Wellness and work enablement stipends
  • Flexible PTO
  • A Sabbatical program

About the Company

Bubble is the only fully visual AI app builder that lets you vibe code without the code to go beyond prototypes and launch real apps to real users. With over 6 million users in more than 100 countries, Bubble is breaking down the barriers to entrepreneurship and innovation worldwide.

Our Product

Bubble's visual editor lets you fine-tune any detail, from the design to privacy rules and programming logic, so you're never stuck, even if AI hits its limits. Everything you need comes built in: a unified web and native mobile editor, enterprise-grade hosting, security, database management, and automatic scaling that grows with your business.

Why Join Bubble Now?

The rise of AI-generated software has validated everything Bubble has been building toward for over a decade. But pure AI-generated code is fragile, hard to debug, and rarely production-ready. Bubble bridges that gap, combining the speed of AI with a structured visual platform that produces stable, scalable, secure software. The people who join Bubble right now will help define what that means for millions of builders around the world.

Join Us!

Let’s democratize access to technology together! If this sounds like you, apply! If you don’t meet all of the qualifications but think you could be a match, we’d still love the chance to review your application. At Bubble, we encourage people from all ages, abilities, and experiences to apply. Bubble does not discriminate on the basis of race, color, ancestry, religion, national origin, sexual orientation, age, citizenship, marital or family status, disability, gender, gender identity or expression, pregnancy or caregiver status, veteran status, or any other legally protected status. Perhaps this job doesn't fit your background? Join our talent community!

Compensation Range: $201K - $261K