Senior Full-Stack Engineer

Senior Full-Stack EngineerLocation : RemoteCompany : CoreSpeed Inc.Job Type : Full-timeAbout CoreSpeedCoreSpeed is building the infrastructure for AI agents. Our mission : Better Infra, Better AI reSpeed PaaS : Platform-as-a-service designed for large-scale agent deployment with second-level container startup, user-level isolation, and high-performance networking.Zypher Agent Framework : Open-source agentic AI framework with pluggable components that let developers focus on business logic and ship their agent product fast.DeckSpeed : Our showcase vertical agent built on Zypher and deployed on CoreSpeedan AI presentation assistant that demonstrates the power of our full stack.Role OverviewWe're seeking a Full Stack Software Engineer passionate about AI agents and agent-native infrastructure. You'll work across our entire stackfrom CoreSpeed's platform infrastructure to Zypher framework and vertical agent products. This role requires someone who thrives in an AI-agentic development environment using tools like Zypher Code, Cursor and Claude Code.ResponsibilitiesBuild and optimize CoreSpeed PaaS components (orchestrator, router, load balancer, gateway)Contribute to Zypher Framework core components and vertical agent developmentDevelop web interfaces for agent deployment, monitoring, and managementBuild developer tooling and SDKs that abstract infrastructure complexityImplement container orchestration, state persistence, and secure sandbox executionRequirementsFull stack expertise : Strong proficiency in modern technologiesfrontend (React, TypeScript) and backend (Rust, Go, Deno, etc)Infrastructure knowledge : Understanding of containerization, orchestration concepts, and cloud platformsSystems thinking : Architect scalable, distributed systems that handle dynamic workloadsProduct-minded : Focus on developer experience and making complex infrastructure invisible to usersCollaborative : Thrive in a remote-first team using GitHub and DiscordPreferred QualificationsStrong product ownership : Take end-to-end responsibility for features and drive them to completionExperience with LLM APIs, prompt engineering, and context engineeringBackground in distributed systems, observability, and performance optimizationContributions to open-source projects or developer tools / frameworksExperience with agent evaluation frameworks (GAIA, SWE-bench, etc.)Why Join CoreSpeed?Real infrastructure problems : Build the missing layer that makes agent deployment as easy as deploying web appsOpen-source impact : Shape Zypher Framework and influence agent development for thousands of developersWell-backed : Funded by Baidu Ventures and Monad VenturesCompetitive equity : Stock options for early team membersRemote-first : Work from anywhere with a globally distributed teamHigh impact : Early-stage opportunity to shape architecture and product directionOur Tech StackFrontend : React, TypeScriptBackend : Rust, Go, DenoInfrastructure : Docker, Kubernetes, FirecrackerAI Agents : Zypher Agent Framework, MCPIf you believe AI agents will fundamentally transform how software works, and you want to build the infrastructure that makes this future possible, we want to hear from you.Apply now and help us build Better Infra for Better AI Agents.

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