Build and own user-facing product systems across web, mobile, and internal tools, integrating LLMs, graph reasoning, and sensor data for cyber-physical security applications. Requires 4-8 years shipping reliable production systems, polyglot coding skills, and comfort with cloud deployments in an early-stage NYC-based startup.
Up to 220k/yr
On-site4+ YOEFullstack Engineering
About the role
Responsibilities
Own user-facing systems and internal tools.
Build product systems across web, mobile, and internal tooling.
Integrate with backend systems and deploy product-facing services.
Turn customer workflows into production product capabilities using LLMs, graph reasoning, and sensor data.
Ensure reliability through testing, automation, and tight feedback loops.
Work directly with customers and deployments globally (~10–15% travel).
Partner with RF, ML, and product teams to deliver integrated systems.
Define the trust boundary between hardware and software.
Requirements
4–8 years shipping reliable production systems.
Polyglot engineer comfortable moving between TypeScript, Python, and systems languages like Rust or Go as the problem demands.
Comfortable deploying and integrating with cloud systems like AWS or GCP in production environments.
Obsess over software quality, reliability, and maintainability.
Built production systems using LLMs, vector databases, and retrieval pipelines.
Thrived in an early-stage startup.
U.S. Person status required. May involve export-controlled data.
Nice-to-Haves
Built production web applications used by technical or operational teams.
Built iOS applications or worked closely with native mobile teams.
Integrated LLMs, vector databases, or graph-based reasoning into production products.
Created secure operational dashboards, admin tooling, or internal developer platforms.
Worked with IoT, BLE/Wi-Fi, spatial computing, or sensor-driven products.
Optimized backend systems and databases under production load.
Compensation
Base salary up to $220,000 depending on qualifications, experience, and impact.
Total compensation includes equity, premium insurance, 401(k), flexible PTO, and other individual benefits.
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