Senior AI Platform Engineer — LLM & Agent Infra Lead

Coinbase; Nashville (TN); On-site; USD 186,000 - 219,000; Full time

Benefits offered by this job

Equity

Bonus eligibility

Medical, dental, vision, 401(k)

Job summary

Coinbase is seeking a Senior Software Engineer for the AI Platform team to build and operate LLM and agent infrastructure used across the company. You’ll own core platform systems, including the LLM Gateway, AI Hub, and agent runtimes with sandboxed execution and governance.

You’ll drive Knowledge Base infrastructure, AI FinOps, and cross-functional partnerships across security, legal, finance, product, and cloud providers, shaping production AI capabilities at scale.

Qualifications

• 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.

Responsibilities

• Own the architecture and delivery of core platform systems including the LLM Gateway (60 models, auth, PII redaction, fallbacks, cost optimization), AI Hub, and agent runtime with microVM sandboxes and governed MCP gateway.
• Drive the design and implementation of Knowledge Base infrastructure, connecting data sources to auto-provisioned vector and markdown stores queryable by any agent.
• Lead AI FinOps capabilities including spend attribution, governance, and cost optimization across all AI workloads company-wide.
• Partner across engineering, security, legal, finance, product, and external partners at frontier labs and major cloud providers to ship high-impact platform capabilities.
• Build evaluation and observability tooling including LLM-as-judge harnesses, full tracing, and feedback loops that let subject matter experts refine production agents.
• Shape applied AI strategy by embedding with teams to build production agents, applying fine-tuning and traditional ML where it outperforms prompting.

Skills

ML/AI infrastructure

LLM systems

distributed platform services

Python

Go

Rust

C/C++

APIs & microservices

Tools

vector databases

model serving infrastructure

Job description

Coinbase is seeking a Senior Software Engineer for the AI Platform team to build and operate LLM and agent infrastructure used across the company. You’ll own core platform systems, including the LLM Gateway, AI Hub, and agent runtimes with sandboxed execution and governance.

You’ll drive Knowledge Base infrastructure, AI FinOps, and cross-functional partnerships across security, legal, finance, product, and cloud providers, shaping production AI capabilities at scale.