At Trunk Tools, we’re the leading AI company revolutionizing construction—the second-largest industry on earth. With deep traction among Fortune 500 general contractors, we have raised $30M from top investors including Redpoint and Innovation Endeavors.

Do not wait to apply after reading this description a high application volume is expected for this opportunity. Our mission is to build the future of construction through intelligent automation. Construction is a $13+ trillion industry still operating primarily in analog—and we’re changing that by embedding AI directly into the jobsite. Founded by builders and technologists (Stanford, MIT), our experienced team has delivered software used by 140,000+ field professionals, impacting millions of users and contributing to $10B+ in built projects. We're deeply rooted in construction, with many of our team coming from the field. After years of developing the “brain” of construction, we are now deploying AI agents and workflows to automate critical tasks—beginning with intelligent document processing, Q&A capabilities and rapidly expanding across operational processes. We currently have 50+ employees, including 20 engineers, and have doubled our size in the last 12 months. We’re continuing to grow rapidly as we launch and scale multiple AI agents this year. What you will do and achieve: Enhance our search capabilities through advanced NLP techniques

Process and analyze a diverse set of documents including text, tables and images

Design and implement entity extraction and text classification systems

Identify and model relationships between entities within and across different document types

Design and implement an efficient indexing structure to enable accurate and fast search capabilities

Design and conduct experiments to evaluate and improve NLP model performance

Develop and maintain language models tailored to the construction industry domain

Who you are: MS/PhD in Computer Science, Computational Linguistics, Information Retrieval or a related field

2+ years of experience in NLP, with a focus on building production-ready systems

Proficiency in Python, ML and experience with NLP libraries such as NLTK, spaCy, or Hugging Face Transformers

Strong experience with information retrieval and search technologies, such as elasticsearch, graph databases, or vector embeddings

Familiarity with LLM-based applications and RAG systems in real-world scenarios

Interest in the construction industry

Bonus: Experience with training or fine-tuning proprietary algorithms

Bonus: Experience with developing complex agentic LLM applications

What we offer A close-knit and collaborative early-stage startup environment where every voice is heard and every opinion matters

Competitive salary and stock option equity packages

3 Medical Plans to choose from including 100% covered option. Plus Dental and Vision Insurance!

Learning & Growth stipend

Flexible long-term work options (remote and hybrid)

Free lunch provided in the office in NYC and Austin - you’ll never go hungry with us!

Unlimited PTO; We truly believe in work-life balance and that hard work should be balanced with time for rest and rejuvenation

IRL / In-Person retreats throughout the year

Please note: All official communication from Trunk Tools will come from an email address ending in @ trunk.tools . If you receive outreach from any other domain, please disregard it or report it to us. We realize applying for jobs can feel daunting at times. We don’t expect you to check all the qualification boxes and encourage you to apply if you have experience in some of the areas. At Trunk Tools, we’re working hard to build a more productive and safer environment within the construction industry, and we strive to live by these same values here at Trunk Tools HQ. As an equal-opportunity employer, we are committed to building an inclusive environment where you can be you. We work hard to evaluate all employees and job applicants consistently, without regard to race, color, religion, gender, national origin, age, disability, pregnancy, gender expression or identity, sexual orientation, or any other legally protected class.

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