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Principal Deep Learning Engineer

RebarNew York City
On-site Full-time

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Experience Level

Mid to Senior

Qualifications

Key ResponsibilitiesModel Training & Development: Design and train deep learning models for tasks such as layout analysis, OCR, object detection, and image-to-graph conversion. This may involve adapting existing architectures or innovating new approaches as necessary. Evaluation and Monitoring: Establish metrics, monitor model performance in production, and identify opportunities for continuous improvement. Collaboration and Integration: Partner closely with the engineering team to integrate models into our product and infrastructure, contributing to architectural discussions and roadmap planning. Ideal Candidate ProfileThe successful candidate will be adept at implementing training logic, exploring model internals, and troubleshooting real-world challenges that arise when deploying ML systems into production. If you enjoy working across the full machine learning stack, delving deeply into PyTorch, and turning concepts into viable, production-ready systems, you may be a great fit for our team.

About the job

Join Our Team at Rebar

Rebar is revolutionizing the operating systems used by commercial HVAC, electrical, and plumbing suppliers and subcontractors. In the past year, our initial quoting product has successfully scaled to processing thousands of quotes weekly, and we've doubled our revenue in 2026 while gaining traction among top suppliers across North America. Fresh from securing a $14M Series A investment from leading construction technology investors, we are poised for our next growth phase with AI at the core of our innovations.

We are seeking a Principal Deep Learning Engineer who possesses a strong background in modern neural network techniques and proficiency in PyTorch. You will be instrumental in advancing computer vision applications in real-world settings. As part of a tight-knit, highly skilled team, you will focus on delivering practical, production-ready machine learning systems—from building data pipelines to developing finely-tuned models—within a dynamic startup environment.

This position is ideal for individuals who thrive on working closely with models, refining training workflows, and tackling novel engineering challenges. Our work transcends mere model inference; we create training workflows, develop robust evaluation pipelines, and construct systems that enhance standard model usage.

About Rebar

Rebar is at the forefront of innovation in the construction tech industry, developing cutting-edge solutions that streamline operations for commercial HVAC, electrical, and plumbing sectors. Our commitment to leveraging AI technology places us in an advantageous position for growth and advancement.

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