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Lead Backend Software Engineer

Beacon AI - San Carlos, CA, United States - Hybrid - posted 2026-09-14

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Beacon AI is building an AI platform to make flying safer, more efficient, and more capable. The company is backed by top investors, has secured a dozen Department of Defense contracts, and partners with major airlines to deliver mission-critical systems. You will design, build, and scale the backend systems powering the flight safety platform. This role balances hands-on development with technical leadership. You'll work closely with product and cross-functional teams to deliver reliable, secure, and scalable systems supporting mission-critical, real-world applications. Key Responsibilities: - Architect, build, and maintain backend services and distributed systems for mission-critical applications - Design and implement secure, scalable APIs for internal and external integrations, including real-time data streaming for web and mobile clients - Build and optimize data pipelines for efficient ingestion, processing, and access to time-series and multimedia data - Own backend system reliability, performance, and scalability in production environments - Lead technical design discussions and contribute to code reviews and architectural decisions - Troubleshoot and resolve complex backend and cloud infrastructure issues to ensure high availability - Take ownership of backend features or systems from concept through delivery, collaborating with product and cross-functional partners The company operates without silos or heavy processes. Small, focused teams own what they build, ship quickly, and learn fast. REQUIREMENTS: - 9+ years of experience designing and implementing backend services, APIs, and distributed systems in production environments - Fluency in modern backend languages such as Python and JavaScript/TypeScript (Node.js) - Proven experience building, scaling, and operating backend infrastructure - Strong ownership mindset with experience driving end-to-end systems and features from design through deployment - Ability to operate effectively in evolving environments while maintaining high standards for quality and reliability - Experience building or working with data pipelines and backend systems handling large-scale or real-time data BONUS: - Passion for aviation and desire to improve air travel efficiency and safety - Familiarity with machine learning workflows or data-intensive systems - Experience with big data tools or large-scale data processing frameworks - Background in DevOps or DevSecOps, including automating infrastructure and improving system reliability and security Note: Due to U.S. export control regulations, only U.S. Persons (U.S. citizens, Green Card holders, lawful permanent residents, or individuals granted asylum or refugee status) can be hired. No visa sponsorship or support available. All work must be performed in the United States.

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