EMC/EMI System Engineer leading analysis, testing, and validation for satellite systems at Fastwater Staffing. Collaborating with cross - functional teams to ensure compliance with industry standards.
About the role
- Build backend systems supporting Spellbook's core functionalities and AI workflows. Collaborate closely with Product and Design to optimize user experience.
Responsibilities
- Build and scale backend systems that support core product functionality across Spellbook (Reviews, Chat, Library, and more).
- Design low-latency, high-reliability search, inference, and orchestration layers for AI features
- Build and operate RAG retrieval at scale with production-grade performance optimization and permissions-correct data isolation.
- Own core platform concerns for AI: rate limiting, retries, consistency, fallbacks, safe degradation
- Partner closely with Product and Design to make good tradeoffs between latency, accuracy, UX, and reliability.
- Use modern development workflows, including agent-assisted coding, to accelerate delivery while maintaining rigorous review, testing, and security standards.
- Participate in on-call and incident response as needed, and improve feature reliability in the process
Requirements
- 5+ years of experience building backend systems in production.
- Strong fundamentals in backend engineering and distributed systems: APIs, data modeling, concurrency, queues, AI inference
- Strong NoSQL (ideally MongoDB) data modeling and performance tuning: schema design/denormalization tradeoffs, indexing strategy, query optimization, and profiling/diagnosing bottlenecks in production.
- Ability to convert high-impact problems into clear plans and successful outcomes.
- Strong communication skills for technical decision explanations to various audiences.
- Self-starter and problem-solver with a desire to help others.
- Pragmatic, knowing where scaling is necessary versus unnecessary.
- Team player motivated to provide solutions and improve team performance.
Benefits
- Access our company-paid group benefits for you and your family, with $1,000 towards mental health support
- Disconnect during our holiday closure and take advantage of our generous time off policies throughout the year
- Enjoy monthly paid meals, an annual wellness allowance to support your well-being and parental leave top-ups as your family grows
- Secure your stake in our success; you’ll receive competitive stock option grants as a pivotal early employee
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