Staff Software Engineer (Platform Team)

If you’re excited by the idea of AI agents operating safely in real production systems, this role sits right at the center of that future. Apollo is pioneering the enterprise agent integration space with a complete platform: the agent gateway, registry, observability, and orchestration layer. This is the critical infrastructure that empowers organizations to connect AI agents to their APIs and data safely, at scale. It's Apollo's boldest move into the agentic middleware arena. The Registry team doesn't just build a component; we forge the bedrock. We define the blueprint for how tools, APIs, and services are registered, versioned, governed, discovered, and operated, transforming disparate one-off integrations into a single, coherent, and trusted platform for agents and gateways to thrive. Who We Are The Registry team is the central nervous system of Apollo’s Platform organization. We are the architects and owners of the control plane, the lifecycle systems, the core artifacts, and the customer-facing web applications that are the engine behind: GraphOS : Apollo’s enterprise-grade GraphQL platform that powers hundreds of businesses today. Apollo’s Next-Generation Agent Platform : Designing the future of how agents integrate with and manage software safely. If you are driven by challenges that are both technically profound and strategically essential to the future of the company, this team offers unparalleled gravity and opportunity. What You’ll Do Join us as a software engineer and become a key architect of the Registry, transforming it into a powerful, enduring platform that defines the future of how our users build and manage their applications. This is a high-impact, cross-functional role that goes far beyond a single service. You'll drive innovation across the entire stack from high-performance backend services and control-plane APIs to core artifact pipelines and the intuitive customer-facing web applications. You will collaborate closely with Product, Design, and diverse engineering teams to deliver world-class solutions. Own critical Registry domains : Take technical ownership of core systems such as schema and service lifecycle, artifact pipelines, or registry workflows. Lead high-impact initiatives : Serve as technical lead on cross-team efforts involving platform, security, runtime, and observability partners. Design platform primitives : Build APIs, data models, and workflows that internal teams and customers depend on. Operate what you build : Participate in on-call, incident response, and postmortems. Design for reliability, observability, and long-term maintainability. Raise the bar around you : Mentor other engineers, review designs, and help the team make better architectural decisions over time. What We’re Looking For Proven experience designing and operating distributed, multi-tenant backend systems in production Strong understanding of consistency models, failure modes, resiliency patterns, and scalability tradeoffs Experience building platforms / control planes: APIs, data models, and workflows that other teams build on Strong proficiency in at least one modern backend language (e.g., TypeScript/Node, Go, Rust, Java, or similar) Solid experience with datastores (relational + one of: key-value, document, or time-series) and data modeling Hands-on experience owning services in production: on-call, incident response, postmortems Strong grasp of observability (metrics, tracing, logging), SLOs, and capacity/performance tuning History of designing for “boring” production behavior: safety, rollback paths, migrations, incremental delivery Ability to drive system design for complex features spanning multiple services and teams Comfortable working with infrastructure (CI/CD, deployment, config, runtime) and partnering with frontend engineers to deliver end-to-end experiences Experience working closely with Product and Design to define scope, prioritize, and iterate Strong written and verbal communication, especially for async collaboration and design reviews Bonus Familiarity with GraphQL, GraphOS-like platforms, or API gateways Exposure to AI agents, tool / function calling, or agent orchestration platforms Experience modeling tools/APIs for LLMs or building infrastructure for AI-powered systems Experience with cloud-native architectures (Kubernetes, containers, service meshes) Experience driving technical standards (operability, security, testing, code review norms) At Apollo, we strive to provide competitive, market-informed compensation whilst ensuring consistency within the team in each country. We make hiring decisions based on your skills, experience, and our overall assessment of what we learned during the hiring process. In addition to the U.S. base salary range, we also provide equity and benefits.   Apollo offers all U.S. employees a choice of 3 Anthem Blue Cross medical plans and California residents can also choose from an additional 2 Kaiser medical plans. Dental and Vision benefits are provided by Sun Life Financial.   Location: This is a remote position that can be done from anywhere in the United States or Canada. The posted compensation is for the US location.   Equal Opportunity: Apollo is proud to be an equal opportunity workplace dedicated to pursuing and hiring a talented and diverse workforce.   Privacy: California residents applying for positions at Apollo can see our privacy policy here .   E-Verify: Apollo is an E-Verify employer and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S. For more information, please visit E-Verify.

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