Staff Frontend Engineer (Mapping & Spatial Platform)

TL;DR

Staff Frontend Engineer (Mapping & Spatial Platform): Designing and building a high-performance 3D rendering engine for geospatial visualization and collaborative spatial editing with an accent on GPU optimization and real-time synchronization. Focus on solving complex geospatial projections, implementing CRDT-based multi-user editing, and ensuring 60 FPS performance for high-density interactive assets.

Location: San Mateo, CA, United States

Salary: $185,000 - $265,000 USD

Company

hirify.global is an AI-powered physical security platform providing integrated solutions for video security, access control, and environmental sensors for over 30,000 customers.

What you will do

• Architect a high-performance rendering platform for geospatial visualization and precision vertex editing.
• Define the spatial editing interaction model and ensure pixel-perfect visual polish across the platform.
• Optimize rendering latency using custom shaders and partial GPU buffer updates to handle high-density assets.
• Develop advanced spatial intelligence tools for 3D line-of-sight analysis and AI-driven hardware placement.
• Build a client-side CRDT sync engine (Yjs/Automerge-class) for offline-first, multi-user collaborative editing.

Requirements

• 5+ years of experience building complex web applications or high-performance graphics engines.
• Mastery of JavaScript and React, including state management libraries like Zustand or React Query.
• Strong CS fundamentals in data structures, memory management, and linear algebra.
• Expertise in coordinate system conversions, geospatial projections, and 3D geometry.
• Must be based in or authorized to work in the US (Visa sponsorship available).

Nice to have

• Experience with Three.js, Deck.gl, MapLibre, WebGL, or WebGPU.
• Knowledge of real-time sync architectures such as Yjs, Automerge, or Operational Transforms.
• Proficiency in Canvas API, low-level buffer management, or custom shaders.
• Familiarity with PostGIS, vector tiling (MVT), and GIS workflows.

Culture & Benefits

• 100% covered healthcare premiums for employees and 80% for family plans.
• Health Saving Account (HSA) with employer contributions and FSA options.
• Comprehensive paid parental leave, fertility benefits, and flexible PTO.
• Professional development stipend and wellness/fitness benefits.
• Onsite perks including daily healthy lunches and commuter benefits.