Principal Software Engineer designing and delivering the future of privacy-first, agentic AI at CEF AI. Leading the development of secure, decentralized AI workflows while shaping platform architecture.
Responsibilities
Design, implement, and scale foundational backend systems and APIs that power decentralized, real-time AI workflows.
Own the end-to-end developer journey by building SDKs, CLIs, and interfaces that make it easy to interact with our platform.
Rapidly prototype and productize features using tools like Cursor, React, and TypeScript—without sacrificing quality or scale.
Guide architectural decisions, lead design reviews, and mentor engineers in best practices for distributed, high-performance systems.
Partner with product, design, and leadership to align technical execution with company vision and user needs.
Drive key projects from 0→1 with autonomy, accountability, and a strong bias for action.
Requirements
4+ years in high-performance software environments, with a proven track record of shipping complex systems end-to-end.
Mastery of one or more systems languages (Go, Rust, Kotlin, etc.) and strong backend engineering fundamentals.
Experience designing and scaling distributed systems with performance, reliability, and observability in mind.
Strong discipline around testing, CI/CD, and long-term maintainability (TDD preferred).
Ability to turn ambiguity into architecture, and architecture into reliable, extensible code.
Clear, concise communicator who can explain tradeoffs, write technical specs, and mentor junior engineers.
Bonus: Experience with edge computing, Web3 protocols, real-time data infra, or AI/ML-powered systems.
Benefits
Competitive Compensation & Meaningful Equity: We offer founder-level alignment because this is a founder-level role.
High-Ownership Role: You’ll directly shape our technical direction and long-term stack architecture.
Work with Top-Tier Founders & Engineers: Collaborate daily with a deeply technical, mission-driven leadership team.
Build the Future of AI Infrastructure: We're not optimizing yesterday's workflows—we're inventing tomorrow's.
Zero Bureaucracy, Maximum Autonomy: We stay lean, move fast, and trust you to lead.
Remote-First, In-Person When It Counts: We're distributed across SF and Europe, with monthly hackathons and off-sites to align and build together.
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