Staff Software Engineer

Responsibilities

• Drive the end-to-end execution and delivery of AI-native products, moving from initial prototype to scalable production services.
• Architect, build, and productionize core components of the AI platform, including LLMs, vector databases, and agentic frameworks.
• Develop core agent capabilities such as MCP, cross-platform tool use, web browsing, and computer use.
• Enforce technical discipline and operational excellence for all AI products.
• Rapidly iterate on AI products based on performance metrics and user feedback.
• Lead the evaluation and adoption of new AI technologies and frameworks to maintain industry leadership.
• Partner with product managers and engineering leads to translate strategic goals into technical realities and scalable platform architecture.

Requirements

• B.S. or M.S. in Computer Science, Statistics, Mathematics, or a similar quantitative technical field.
• Extensive software engineering experience with a proven track record of owning and shipping complex, production-grade systems.
• Proven experience shipping and maintaining AI-native products or features.
• Must have the right to work in the United Kingdom from the first day of employment (no visa sponsorship available).

Preferred Qualifications

• Specific experience with LLMs and agentic systems.
• Hands-on experience with technologies in the modern AI/LLM ecosystem, such as Databricks, Langchain, or MLFlow.
• Advanced understanding of the probabilistic systems underpinning modern LLMs.
• Experience building AI products in highly accuracy-sensitive domains, such as finance.

About the Company

Addepar is a global data and AI platform empowering investment professionals to turn complex financial information into actionable intelligence. The platform unifies portfolio, market, and client data to deliver AI-powered insights within investment workflows. More than 1,400 firms in nearly 60 countries use Addepar to manage nearly $9 trillion in assets.