Platform Engineer

ironsite

San Francisco, California, United States

San Francisco, California, United States

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About

About Ironsite Construction is one of the most complex and labor-intensive industries, spending $7 trillion annually on labor, but productivity losses cost $1.6 trillion per year due to outdated management tools.
Ironsite leverages wearable cameras combined with human labeling and AI vision language models to drive on-site productivity, safety & training for crafts workers. We put cameras on construction workers' hard hats and vests, then use advanced computer vision to analyze what's actually happening on job sites.
We help teams cut labor costs, improve safety, and finish projects faster. We have captured ~20,000 hours of construction footage across 7 states and just partnered with the nation's #2 hard hat manufacturer. In addition, we have secured over $10M from 8VC, South Park Commons, and 30+ angels. Now, we're building the team to scale nationwide.
The Role We're seeking an exceptional Member of Technical Staff to help build out our Platform. You'll build and scale core platform features that transform how construction teams manage safety, productivity and workforce development for their frontline craftworkers. You'll own critical initiatives that directly impact thousands of construction workers and dozens of major contractors.
What You'll Build

Time + Attendance Automation: Build automated timesheet systems with text-based dispatch, pre-shift roll call, and streamlined time entry workflows for construction workers in the field

Project Management Dashboard: Build comprehensive project roadmap views that show project sequence, man-loaded schedules, and crew distribution to help superintendents easily track if projects are on target

Incentives + Rewards: Develop gamified reward systems that motivate construction workers through milestone achievements and skill-based recognition programs, ultimately driving more money in their pockets

Training + Skills: Build comprehensive learning management systems that identify skill gaps and deliver personalized training recommendations and certification tracking

Integrations + API: Design robust API infrastructure and third-party integrations that connect Ironsite with existing construction management tools, HR systems, and industry-standard platforms

Technical Challenges You'll Solve

Building scalable workforce management systems that handle automated timesheets and dispatch workflows for thousands of construction workers

Creating intuitive project roadmap interfaces that visualize complex scheduling, crew allocation, and project sequencing data for superintendents

Designing reward and incentive platforms that integrate with payroll systems and handle diverse recognition programs across multiple contractors

Building robust API integrations with legacy construction management software and enterprise HR systems that have inconsistent data formats

What We're Looking For Technical Excellence

(required) 4+ years of experience in full-stack platform development and distributed systems in production environments

(required) Deep expertise in backend technologies , PostgreSQL, Redis) and modern web frameworks

Strong background in real-time data processing, analytics platforms, and API design

Production experience with cloud infrastructure (AWS), microservices architecture, and high-scale data pipelines

Systems thinking for end-to-end platform architecture and cross-team integration

Domain Expertise

Experience building B2B SaaS platforms for operational or industrial environments

Understanding of workforce management systems, safety compliance software, and project management tools

Background in developing user interfaces for non-technical users in field environments

Knowledge of data privacy regulations, enterprise security requirements, and API best practices

Preferred Qualifications

Advanced degree (M.S./Ph.D.) in Computer Science, Software Engineering, or related field with focus on distributed systems

Experience with construction management software, HR tech platforms, or similar enterprise workflow tools

Background in building analytics dashboards, reporting systems, and business intelligence platforms

Publications or experience in workforce analytics, safety technology, or industrial IoT platforms

Experience with construction, manufacturing, or similar operational industries

Location & Compensation

San Francisco Bay Area (on-site)

Competitive salary and significant equity package

Full benefits including health, dental, vision, and 401k +6% match

San Francisco, California, United States

Languages

English

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