NLP Engineer

Job Title: NLP Engineer

Salary: $140K - $200K Employment Type: Full-Time

Position Overview

Trunk Tools is the leading AI company revolutionizing the construction industry. With significant traction among Fortune 500 general contractors and $30M raised from top investors, our mission is to build the future of construction through intelligent automation. We are embedding AI directly into job sites to transform this largely analog, $13+ trillion industry. Founded by experienced builders and technologists from Stanford and MIT, our team has a proven track record of delivering software used by over 140,000 field professionals, impacting millions of users and contributing to over $10B in built projects. We are rapidly expanding our AI agents and workflows, starting with intelligent document processing and Q&A, and are looking for talented individuals to join our growing team of 50+ employees.

Responsibilities

• 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.

Requirements

• 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 Qualifications

• Experience with training or fine-tuning proprietary algorithms.
• Experience with developing complex agentic LLM applications.

What We Offer

• A close-knit and collaborative early-stage startup environment where every voice is heard.
• Competitive salary and stock option equity packages.
• Three Medical Plans to choose from, including a 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.
• Unlimited PTO, reflecting our commitment to work-life balance.
• IRL / In-Person retreats throughout the year.

Company Culture & Values

At Trunk Tools, we are working hard to build a more productive and safer environment within the construction industry, and we strive to live by these same values internally. As an equal-opportunity employer, we are committed to building an inclusive environment where you can be yourself. We evaluate all employees and job applicants consistently, without regard to race, color, religion, gender, national origin. We encourage you to apply even if you don't meet every qualification.

Note: All official communication from Trunk Tools will come from an email address ending in @trunk.tools. Please disregard any outreach from other domains.