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Senio Software Engineer

Boon · United States (Remote)

remotesenior$140,000–$190,000Posted Oct 28, 2026PythonRailsAWSGCPPostgreSQLKubernetesSidekiqRabbitMQ

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About this role

## About Boon Boon is the professional AI platform built specifically for construction. Founded in the San Francisco Bay Area in 2023 by product and engineering leaders from Samsara, Apple, Google, and DoorDash, Boon is backed by leading Silicon Valley venture capitalists. Boon’s AI agents embed directly into existing workflows—from preconstruction estimating to bid management—automating repetitive tasks that drain time and margins while surfacing the insights leaders need to make faster, more confident decisions. ## About the Role Boon AI is building the agentic operating system for construction preconstruction—the layer that reads blueprints, specs, and bid documents, and does the estimator’s work with them. You’ll work across a platform that includes: - A Rails product monolith - Python computer-vision services (DINOv3/SAM-class vision models reading drawings) - An LLM agent runtime orchestrating multi-step construction workflows - Model/eval infrastructure to keep accuracy honest Boon is live with general contractors and subcontractors across the country, shipping daily, and scaling from thousands to hundreds of thousands of drawings per month. ## In This Role, You Will - Own features and services end to end across the Rails product app, Python ML/CV services, agent SDK layer, and data platform—balancing customer requirements, maintainability, and shipping speed - Improve scalability, reliability, and cost efficiency of computer vision/LLM/VLM inference pipelines as blueprint throughput grows - Build and improve model infrastructure, including vision model integration, LLM orchestration, agent workflows, MLflow registry, and eval harnesses - Contribute to architectural decisions, write clear design docs, and raise the engineering bar through thoughtful code review - Share knowledge and mentor teammates as the team grows - Partner with product and engineering teammates to scope work, evaluate build-vs.-buy decisions, and turn customer needs into reliable software - Write and ship production code regularly, troubleshoot issues, and participate in incident response ## You’re a Great Fit If - You’ve shipped production systems handling messy real-world input (documents, PDFs, images, OCR, or user-generated data) - You have strong engineering judgment on when to add complexity vs. keep it simple, and when to use proven open-source or paid solutions - You’ve built or operated computer vision or LLM/agent systems in production (or have strong adjacent experience and want to go deep) - You care about testing and evals as practical tools for improving accuracy and reliability - You move fast while keeping foundations strong, and recognize when parts of the system need investment - You thrive in flat, direct, high-velocity teams where technical decisions are grounded in code, data, and customer needs **Bonus:** construction/AEC/vertical SaaS experience, or experience helping a product scale at a growing startup ## Requirements for the Role - 3+ years of experience building production software in fast-paced environments - Strong experience in at least one of: Rails or Python applications, production computer vision pipelines, LLM/agent systems, or data-intensive B2B SaaS - Hands-on experience with cloud infrastructure (AWS and/or GCP), PostgreSQL, background job or messaging systems (e.g., Sidekiq or RabbitMQ), and modern deployment practices - Experience owning features/services from technical design through deployment and ongoing oper

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