Principal Software Engineer
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Job Location:
Yearly Salary:
Posted on:
16-10-2025
Vacancies:
1 Vacancy
Job Summary
Are you excited by the opportunity to become a part of a badass team leading the AI-first data revolution
Do you thrive on solving hard problems (individually and collectively) yet humble and hungry to learn and grow within a team on your path to greatness
Do you desire to become a part of a close-knit pack led by SV startup veterans who can accelerate your growth 10X (compared to the corporate trajectory/culture)
If youve answered with 3 resounding yes then we want to meet you!
You will play a critical role in designing and building our AI-first data computing platform. This is not just an execution role were looking for someone who thinks strategically moves with intention and can take ideas from concept to production with a balance of technical depth and practical decision-making.
Youll be working across the stack applying modern technologies to develop performant secure and scalable systems. This is an opportunity to help shape the foundation of a platform that powers real-world AI applications at scale.
Tasks
- Systems Architecture: Design implement and scale foundational backend systems and APIs that power decentralized real-time AI workflows.
- Developer Experience: Own the end-to-end developer journey by building SDKs CLIs and interfaces that make it easy to interact with our platform.
- Cross-Stack Execution: Rapidly prototype and productize features using tools like Cursor React and TypeScriptwithout sacrificing quality or scale.
- Technical Leadership: Guide architectural decisions lead design reviews and mentor engineers in best practices for distributed high-performance systems.
- Collaboration: Partner with product design and leadership to align technical execution with company vision and user needs.
- Execution Ownership: Drive key projects from 01 with autonomy accountability and a strong bias for action.
Requirements
- Experience: 4 years in high-performance software environments with a proven track record of shipping complex systems end-to-end.
- Deep Technical Expertise: Mastery of one or more systems languages (Go Rust Kotlin etc.) and strong backend engineering fundamentals.
- Architectural Fluency: Experience designing and scaling distributed systems with performance reliability and observability in mind.
- Quality & Testing: Strong discipline around testing CI/CD and long-term maintainability (TDD preferred).
- Builder Mindset: Ability to turn ambiguity into architecture and architecture into reliable extensible code.
- Communication: 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: Youll 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: Were not optimizing yesterdays workflowswere inventing tomorrows.
- Zero Bureaucracy Maximum Autonomy: We stay lean move fast and trust you to lead.
- Remote-First In-Person When It Counts: Were distributed across SF and Europe with monthly hackathons and off-sites to align and build together.
Our Hiring Process
We move fast stay transparent and focus on real collaboration. Heres what the process looks like:
- Intro Call A quick chat to align on expectations interests and team fit.
- Technical Deep Dive A focused conversation with our Engineering Manager to explore your systems thinking and past work.
- CEO Interview A strategic discussion around vision mindset and long-term alignment.
- Reference Collection Well speak with a few people youve worked closely with.
- Paid Trial (5 Days) A short real-world engagement so we can see how we work together happening in parallel with offer and terms discussion.
Join CEF AI as a Principal Software Engineer to help design and deliver the future of privacy-first agentic AI. If you want to work on original systems that will define the next decade of compute - apply now.
Key Skills
- Continuous Integration
- Docker
- Jenkins
- Python
- System Design
- Agile
- C/C++
- Go
- Systems Engineering
- Software Development
- Java
- Distributed Systems
About Company
CEF delivers an AI‑first data automation platform that enables secure, decentralized orchestration of AI agents performing compute directly on encrypted data streams via edge-based sovereign data clusters
