Software Engineer - Applied AI

Business runs on contracts. Every dollar earned, relationship formed, and advantage gained comes down to the contract that makes it real. But getting a contract done is more complicated than it should be. And when contract data is buried, leaders can’t see risks, obligations, or act in time.

Ironclad is the leading AI contracting platform that transforms agreements into assets. Contracts move faster, insights surface instantly, and agents push work forward, all with you in control. Whether you’re buying or selling, Ironclad unifies the entire process on one intelligent platform, providing leaders with the visibility they need to stay one step ahead. That’s why the world’s most transformative organizations, from OpenAI to the World Health Organization and the Associated Press, trust Ironclad to accelerate their business.

We’re consistently recognized as a leader in the industry: a Leader in the Forrester Wave and Gartner Magic Quadrant for Contract Lifecycle Management, a Fortune Great Place to Work six years running, and one of Fast Company’s Most Innovative Workplaces. Ironclad has also been named to Forbes’ AI 50 and Business Insider’s list of Companies to Bet Your Career On.

This is a hybrid role. Office attendance is required at least twice a week on Tuesdays and Thursdays for collaboration and connection. There may be additional in-office days for team or company events.

Ironclad is accelerating its AI initiatives to transform how contracts are built, managed & executed across an organization. We're looking for a AI/ML Engineer to help shape the future of legal AI. In this role, you’ll work with cutting-edge technologies such as Context Engineering, LLM Tuning / Post Training, Evaluation Frameworks to develop state-of-the-art models and intelligent systems that power product features used by leading legal teams.

You’ll partner closely with product managers and designers to translate user needs into AI-powered product capabilities. You’ll also lead efforts in model evaluation, iteration, and deployment—ensuring our systems are robust, explainable, and continuously improving. As part of our end-to-end ownership model, you’ll contribute to the MLOps stack to ensure our models are scalable, reliable, and performant in production.

• Build and Tune models and AI capabilities that ingest legal documents, extract key information, and deliver actionable insights to customers
• Implementing backend services that power document understanding, classification, and natural language search
• 2 years of previous experience exploring and applying cutting-edge techniques in NLP, LLM integration, Prompt / Context Engineering, and semantic search to advance Ironclad’s AI/ML vision
• 2 years of previous experience designing and maintaining robust systems for context management, model training / tuning, orchestration, evaluation & inference, with a focus on scalability, reliability, and observability
• 2 years of previous experience developing and scaling retrieval-augmented generation (RAG) systems and agent-based orchestration frameworks for complex legal workflows
• Help build foundational AI/ML infrastructure, including tools for experimentation, model versioning, and online/offline performance monitoring
• Partner closely with product managers and designers to shape user-facing AI experiences and deliver value through APIs and intelligent features

• BS or advanced degree in Computer Science, Engineering, or a related field
• Experience working with large language models (e.g., GPT, Claude) or building RAG systems
• Experience with embedding models and vector databases
• Experience in training, evaluating, and serving AI/ML models
• 7+ years of hands-on experience with Python, backend service development, and RESTful APIs
• Experience in NLP techniques such as text classification, entity extraction, document understanding, or question answering
• Proficiency with AI frameworks and APIs (e.g., PyTorch, Tensor Flow, Hugging Face , OpenAI , Lang Chain)
• Experience with cloud platforms (e.g., GCP, AWS, Azure)
• Solid understanding of Git or other version control systems
• Strong engineering…