logo inner

Principal Research Scientist


Babel Street is the trusted technology partner for the world’s most advanced identity intelligence and risk operations. We deliver advanced AI and data analytics solutions
providing unmatched, analysis-ready data regardless of language, proactive risk identification, 360-degree insights, high-speed automation, and seamless integration into existing systems. Babel Street empowers government and commercial organizations to transform high-stakes identity and risk operations into a strategic advantage.The actionable insights we deliver safeguard lives and protect critical assets around the world.  Babel Street is headquartered in Reston, Virginia, with regional offices in Boston, MA and Cleveland, OH, and international offices in Australia, Canada, Israel, Japan, and the U.K.

For more information, visit www.babelstreet.com.

What you will do:


We are seeking an individual with deep expertise in natural language processing (NLP) and deep learning to drive cutting-edge research and development in artificial intelligence. You will lead research projects in NLP and develop novel algorithms and techniques to improve large language models (LLM) efficiency, interpretability, and performance on real-world tasks. Focus will be on advancing the state-of-the-art LLMs and their applications across diverse domains. You will partner with engineering teams to transition research prototypes into scalable production systems, guide and mentor researchers, foster a culture of innovation and continuous learning with an eye to regulatory and ethical considerations in deploying AI technologies.

You will also address complex challenges in understanding, summarization, reasoning, and personalization in AI-driven systems, publish high-impact papers in conferences and journals, and represent the organization at conferences, workshops, and academic forums.

What you will bring:


A minimum of 8 years of research experience in deep learning and NLP, with in-depth understanding of and significant contributions to LLMs or equivalent technologies, including pretraining, fine-tuning and optimization techniques, proficiency in developing and evaluating advanced machine learning models for NLP tasks

Benefits at Babel Street (just to name a few...)


  • Health Benefits: Babel Street covers 85-100% monthly premium costs for Medical, Dental, Vision, Life & Disability insurances – for you and your family!
  • Retirement Plans: Babel Street offers both a Traditional and Roth 401(K) with a very competitive match.
  • Unlimited Flexible Leave: We trust our employees to manage their own time and balance their personal and work lives.
  • Holidays: Babel Street provides employees with 12 paid Federal Holidays
  • Tuition Reimbursement: We are committed to investing in our employees. One way we do that is with our Tuition Reimbursement Program for continuing education.                 

Babel Street is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law. Further, Babel Street will not discriminate against applicants for inquiring about, discussing or disclosing their pay or, in certain circumstances, the pay of their co‐worker, Pay Transparency Nondiscrimination.In addition, Babel Street's policy is to provide reasonable accommodation to qualified employees who have protected disabilities to the extent required by applicable laws, regulations and ordinances where a particular employee works.

Upon request, we will provide you with more information about such accommodations.#LI-DNIRange for this position based on qualifications and experience$156,603 - $210,650USD

Life at Babel Street

Discover what matters to you regardless of platform, language, or location.\nBabel Street enhances your capabilities for public search and makes analysts more efficient.\n\nWith advanced analytics, Babel Street makes sense of large tracts of multi-lingual data in near real-time. Babel Street assigns and charts sentiment for social media in over 20 major world languages. Users identify themes, entities, and categories, as well as detect relationships, within the cloud-based platform. Customers may access Babel Street 24/7/365 from any computer, device, or smartphone with an internet connection and a web browser.\n\nBabel Street offers a variety of products, built and crafted with the customer as our primary inspiration. From determining the best solution to assisting in mission support, Babel Street’s team of experts will ensure success at every point along the way.
Thrive Here & What We Value1. Unlimited Flexible Leave2. Health Benefits (90% monthly premium coverage for Medical, Dental, Vision, Life & Disability insurances)3. Retirement Plans (Traditional and Roth 401(K) with competitive match)4. Tuition Reimbursement Program5. Pay Transparency Nondiscrimination6. Equal Opportunity/Affirmative Action Employer7. Paid Federal Holidays (12 days)8. Holidayer-related policies
Your tracker settings

We use cookies and similar methods to recognize visitors and remember their preferences. We also use them to measure ad campaign effectiveness, target ads and analyze site traffic. To learn more about these methods, including how to disable them, view our Cookie Policy or Privacy Policy.

By tapping `Accept`, you consent to the use of these methods by us and third parties. You can always change your tracker preferences by visiting our Cookie Policy.

logo innerThatStartupJob
Discover the best startup and their job positions, all in one place.
Copyright © 2025