ActAI is building proactive, AI-native applications that help people complete everyday tasks with minimal prompting. As an Applied AI Engineer, you’ll turn model capabilities into reliable product behavior and help make AI work in real-world usage, not just demos.

• Build and ship AI features end-to-end from model to user experience
• Design and iterate on prompts, tools, memory, and agent workflows
• Turn raw model outputs into structured, reliable, predictable behaviors
• Debug issues across model, orchestration, infra, and UX
• Optimize for latency, cost, and production reliability
• Develop lightweight evaluation frameworks for real-world performance

• Strong foundation in machine learning and modern neural network architectures
• Hands-on experience with training, fine-tuning, or deploying ML models
• Ability to write clean, production-quality code
• Comfort working across model, infra, and product layers
• Strong problem-solving skills in ambiguous, fast-moving environments
• Bias toward shipping, iteration, and continuous improvement

• Small, world-class team
• Rapid decision-making and fast iteration
• Collective decision-making with a balance of quality and speed
• Virtual meetings and/or onsite interviews
• Prompt decision process