Senior Applied AI Scientist

About the Role

We are looking for a Senior Applied AI Scientist to design and develop cutting-edge Generative AI and LLM-powered systems for real-world, high-impact applications.

This is a senior, hands-on technical role for someone who can operate across key components of modern AI — from modeling and experimentation to production systems — while contributing to system design and collaborating across teams.

You will work at the intersection of LLMs, agentic systems, retrieval architectures, and scalable AI platforms, building systems that move from prototypes to reliable, production-grade solutions.

Key Responsibilities

Design and develop large-scale AI/ML and Generative AI systems

Build and deploy LLM-powered applications, including RAG pipelines and agent-based systems

Contribute to the architecture and implementation of scalable AI systems

Collaborate with scientists, engineers, and product teams to deliver end-to-end AI solutions

Develop retrieval and embedding systems for intelligent applications

Implement agentic workflows with tool use, memory, and reasoning capabilities

Support the full model lifecycle: data curation → training/fine-tuning → evaluation → deployment → monitoring

Translate business requirements into practical AI solutions in collaboration with stakeholders

Required Qualifications

4+ years of experience in Applied AI / Machine Learning / Generative AI

Strong experience building and deploying production-grade AI systems

Experience working in cross-functional teams to deliver AI solutions

Ability to communicate technical concepts effectively with product and engineering stakeholders

Deep expertise in LLMs, RAG, and modern Generative AI systems

Solid system design skills across data, models, and infrastructure

Ability to move from experimentation → production deployment

Strong ownership mindset and ability to operate in fast-paced environments

Experience with agentic frameworks and tool-based AI systems

Preferred Qualifications

Experience applying AI in cybersecurity, enterprise SaaS, or data-intensive domains

Background in search or large-scale retrieval systems

Core Technical Expertise

Large Language Models & GenAI

RAG, Retrieval & Vector Systems

Fine-Tuning & Model Adaptation

Agentic AI Systems

Prompt Engineering & Optimization

Evaluation & Quality

Inference & Serving

Data Engineering & Synthetic Data

Multimodal AI

LLMOps & Observability

Platforms & Infrastructure

Kai is the AI company rebuilding cybersecurity for the machine-speed era. Founded by second time founders and trusted by Fortune 500 enterprises, Kai is building a future where security has no categories, no silos, and no human speed bottlenecks. The Kai Agentic AI Platform replaces fragmented, human-limited workflows with agentic AI systems that continuously contextualize, assess, reason, and execute security work at machine speed - making human defenders, superhuman.

Why Join Kai

Well-funded: With $125M raised, we have the capital, runway, and resolve to rebuild cybersecurity from first principles.

Proven: We've earned the trust of Fortune 500 and Global 1000 companies, and we're just getting started. Their confidence in Kai reflects what we've built: an AI-powered cybersecurity platform that performs at the scale and speed the enterprise demands.

Experienced founders: Our founding team consists of second-time entrepreneurs, each with over 20 years of experience in the cybersecurity industry. Their proven expertise and vision drive our ambitious goals.

World-class leadership team: Our Heads of AI, Engineering, and Product bring extensive experience from some of the world’s most influential companies, ensuring top-tier mentorship, direction, and vision.

Frontier AI Applied Research Team: Our researchers operate at the leading edge of agentic AI systems, translating breakthrough capabilities into real-world cybersecurity applications.

Generous compensation: We offer highly competitive salaries, equity options, and a supportive work environment. Your contributions will be valued and rewarded as we grow together.