• Own the design and reliability of business-critical Tier-0/Tier-1 backend systems serving millions of customers, ensuring security, observability, and operational excellence. • Lead the evolution from fragmented user/org models to a unified Account abstraction — defining APIs, data models, and best practices adopted across every Coinbase product. • Architect and deliver platform services enabling seamless, secure, multi-entity account and identity management, making it fast and easy to add new entity types (e.g., org, partner, vertical). • Champion technical excellence by driving code and design reviews, setting engineering standards, and shaping the team's technical culture. • Mentor and level-up engineers across the team, creating a multiplier effect on developer velocity and platform reliability. • Collaborate cross-functionally with Product, Infrastructure, SRE, and Compliance teams to deliver secure, observable, and extensible solutions. • Proactively identify opportunities for platformization, refactor legacy components, improve performance, and harden security and compliance posture.

• Own the architecture and delivery of foundational platform capabilities including MCP tool registries, AI orchestration layers, risk-based access automation, and the away-team contribution model • Drive the evolution of Control Center into an AI-agent-ready, headless operations platform by designing and implementing MCP procedure constructs, agentic guardrails, HITL orchestration, and evaluation frameworks • Lead technical direction across the team in partnership with the Engineering Manager and Product • Build highly reliable, secure distributed backend services, owning SLO definitions, observability instrumentation, incident response, and operational readiness for Tier-1 systems • Partner across EAA engineering, Product Engineering, and Security Engineering teams to deliver cross-functional outcomes

• Work closely with the whole company to plan, design, build, and refine core product features. • Own user-impacting features from conception to completion. • Have significant ownership in our technical architecture and product roadmap. • Work in a variety of languages including Rust, Go, Typescript, and Haskell.

• You'll design and build the systems that run Treewalk's business — internal tools, integrations, and workflow automations — using AI coding tools to accelerate delivery without sacrificing quality • You'll operate as a hands-on builder who starts from accounting processes and business operations, translates them into clear technical specifications, and ships robust, production-grade solutions. • You will own the technical direction of our product stack: architecture decisions, security posture, code quality standards, and how we scale responsibly as these tools move from internal use to client-facing deployments. • In this role you'll regularly navigate ambiguous problem spaces and serve as the technical anchor for AI-native software development practices at Treewalk. • You'll help define what the future of accounting work looks like — through thoughtful, responsible development of a finance and accounting suite of tools built on modern AI infrastructure. • Architect, build, and iterate on internal AI-powered tools — invoice processing, accrual workflows, document classification, client reporting, and more. • Write production-quality code and set the technical bar for how the team builds, reviews, and ships software. • Partner with internal accounting staff to understand process pain points and translate them into clean system designs. • Define and enforce security, data handling, and access control standards as tools expand to client environments. • Own architectural decisions: service design, data models, API contracts, queue/worker patterns, cloud infrastructure. • Establish code quality standards and review practices, including responsible use of AI-generated code. • Identify and mitigate technical risk proactively — especially as systems handle sensitive financial data. • Document systems clearly so that non-engineers can understand what's been built and why. • Work closely with the internal product lead (non-engineering background) to bridge business requirements and technical execution. • Surface trade-offs clearly and make pragmatic calls under ambiguity. • Contribute to hiring and capability-building as the team grows.