Senior Software Engineer II, Developer Experience

The Company You’ll Join Carta is the connected platform and AI-native ecosystem for private capital. Built to replace fragmented tools with a single system of record, Carta brings together the software, services, and legal infrastructure that founders use to manage equity, fund managers use to run administration and reporting, and legal teams use to close transactions. Trusted by 55,000 companies and 1.8M+ equity holders in 160+ countries, and 10,000 funds and SPVs representing $250B+ in assets under management, Carta is transforming how private capital operates. Recognized by Fortune, Forbes, Fast Company, Inc. and Great Places to Work. For more information about our offices and culture, check out our Carta careers page. The Team You’ll Work With You'll join our Developer Experience (DevEx) team, a lean "Special Ops" unit within Carta's Infrastructure organization. Our North Star: remove friction from every step of the software delivery lifecycle so Carta's engineers can do the best work of their careers. We own CI/CD infrastructure, GitHub governance across 500+ repos, the rollout of AI coding tools across our company, and the internal tooling layer that lets Carta move fast without breaking things. We are systems thinkers who measure everything, because you can't optimize what you don't understand. Carta is making a company-wide bet on AI-native development, and DevEx is the team defining how that happens. Six months from now, the playbook will be written. Now is when you get to write it. The Problems You’ll Solve As a Senior Software Engineer II on DevEx, you will: Build the MCP servers, agents, and plugin infrastructure that Carta's AI native development runs on, and define the patterns other engineers follow Design and ship agents purpose-built to solve specific developer problems across the software delivery lifecycle Architect and drive CI/CD pipelines that automate build, test, and deployment to accelerate delivery across R&D Build the infrastructure AI tooling runs on, so other engineers can build on top of it with confidence Mentor engineers and raise the technical bar through code reviews and architectural guidance About You Experience: 8+ years in p latform, backend, or fullstack engineering AI Builder: You've shipped production LLM systems, whether that's MCP servers or clients, AI extensions, connectors, or agents designed to solve real problems, not just demos Platform Mindset: You build things other engineers build on top of and think about APIs and developer ergonomics as seriously as performance Tech Stack: Python or Java; CI/CD tooling (CircleCI,...