Top Tech Jobs & Startup Jobs in San Francisco Bay Area, CA

Build and own Ironsite’s mobile web platform for construction workers and superintendents. Develop worker profiles, achievements, rewards, notifications, attendance, check-ins, progress tracking, offline-first functionality, integrations with construction and HR systems, and supporting APIs. The role requires full-stack development, mobile experiences for low-connectivity environments, real-time data, analytics, cloud infrastructure, and scalable web applications.

Build and lead Ironsite’s finance function, overseeing FP&A, accounting, cost management, gross margin optimization, product cost accounting, internal controls, ERP infrastructure, audit, tax, and compliance. Partner with hardware, supply chain, manufacturing, operations, sales, and research teams to improve unit economics and financial visibility. The VP will establish scalable budgeting, forecasting, reporting, and controls while hiring and developing the finance team and supporting the company’s growth and future financing readiness.

Build Ironsite’s recruiting function as its first talent hire, owning full-cycle recruiting across engineering, AI research, hardware, field operations, sales, and corporate roles. Develop sourcing, interviewing, offers, employer branding, ATS, reporting, and recruiting operations from scratch. Partner with executives and hiring managers on workforce planning, org design, candidate calibration, and closing highly competitive AI research and hardware candidates while scaling the company from approximately 40 to 200 employees.

No job responsibilities provided. Posting only lists compensation: base pay range $130,000-$225,000 per year. No duties, qualifications, or location details included.

Lead high-impact applied ML research for construction-focused vision-language models. Responsibilities include architecting and training VLMs, developing post-training methods, building video and temporal-reasoning benchmarks, creating scalable training and evaluation pipelines, and optimizing inference through distillation, quantization, and model routing. The role addresses long-video understanding, expert-level perception, efficient large-scale training, and deployment across thousands of hours of daily footage.

Build and scale Ironsite’s platform for construction labor management, craftsworker mobile experiences, integrations, APIs, dashboards, reporting, and internal AI labeling tools. Own end-to-end architecture, integrate with Procore, Autodesk, Trimble, payroll, and ERP systems, process high-volume model outputs, improve data quality, and mentor engineers. The role is on-site in the San Francisco Bay Area and supports reliable, high-scale web applications.

Serves as a strategic force multiplier for the CTO across hardware, software, and AI teams. Identifies leverage opportunities, removes blockers, represents the CTO in meetings, runs planning and review cadences, drives cross-functional priorities to completion, and translates constraints across disciplines. The role also supports hiring, vendor negotiations, customer escalations, technical investigations, and investor meetings.