Senior Software Engineer - AI Platform Team

ABOUT THE ROLE We're seeking a Senior Software Engineer to lead the development and operation of the LLM and agent infrastructure at Coinbase. This is a critical role that will shape the future of finance by building and deploying large language models and AI agents across the organization. You'll be part of the AI Platform team within the Platform group, working on the company's single path to large language models and the full agent lifecycle. WHAT YOU'LL DO As a Senior Software Engineer on the AI Platform team, you'll be responsible for: - Owning the architecture and delivery of core platform systems, including the LLM Gateway, AI Hub, and agent runtime with microVM sandboxes and governed MCP gateway. - Driving the design and implementation of Knowledge Base infrastructure, connecting data sources to auto-provisioned vector and markdown stores queryable by any agent. - Leading AI FinOps capabilities, including spend attribution, governance, and cost optimization across all AI workloads company-wide. - Partnering across engineering, security, legal, finance, product, and external partners to ship high-impact platform capabilities. - Building evaluation and observability tooling, including LLM-as-judge harnesses, full tracing, and feedback loops that let subject matter experts refine production agents. - Shaping applied AI strategy by embedding with teams to build production agents, applying fine-tuning and traditional ML where it outperforms prompting. WHAT YOU'LL NEED To be successful in this role, you'll need: - 5+ years of software engineering experience with demonstrated expertise building ML/AI infrastructure, LLM systems, or distributed platform services at scale. - Demonstrated ability to lead multi-quarter initiatives end-to-end, from technical design through production operation, with measurable platform-wide impact. - Deep expertise in LLM orchestration patterns, agent frameworks, vector databases, and model serving infrastructure across multiple providers. - Proven track record of cross-functional partnership with security, legal, and product teams to ship governed, production-grade AI systems. - Fluency in Python and at least one systems language (Go, Rust, or C++), with production experience building APIs, microservices, and runtime environments. - Experience utilizing generative AI responsibly, maintaining human oversight to deliver business-ready outputs and drive measurable improvements in workflow efficiency, cost, and quality. WHY REMOTE Coinbase is a remote-first company, with quarterly in-person working sessions called "surges." This role will be based remotely, with opportunities to collaborate with teams and attend in-person events. BENEFITS Coinbase offers a competitive salary range of $186,065 - $218,900 USD, as well as equity and bonus eligibility, and benefits (medical, dental, vision, 401(k)).