Senior Research Scientist

About Voyage AI Team at MongoDB

Voyage AI team in MongoDB is building a best‑in‑class, general‑purpose, domain‑specific, and fine‑tuned embedding models and rerankers to enable accurate, efficient unstructured data search and retrieval for RAG, recommendation, semantic search, and more. It is backed by a strong team of AI researchers from Stanford, MIT, Berkeley, Princeton, and CMU, who have conducted over five years of cutting‑edge research on training embedding models.

Voyage AI was acquired by MongoDB recently, and is now integrating the SOTA embedding models with MongoDB’s data platform to create powerful end‑to‑end solutions.

We are seeking a Senior Research Scientist to join our team and contribute to the development of next‑generation AI models. This position offers a unique opportunity to work on challenging problems at the intersection of machine learning research and practical deployment of large neural networks.

• Conduct cutting‑edge research in artificial intelligence, from frontier LLMs to embedding models and rerankers.
• Innovate in next‑generation information retrieval and LLM agent paradigm.
• Collaborate closely with other research scientists and research engineers, as well as peers across the organization.

• PhD degree in Computer Science or related field.
• Strong background in machine learning, deep learning, and natural language processing.
• Familiarity with training distributed training of neural networks for language and visual understanding.

• Opportunity to work on real‑world problems at the cutting edge of AI research.
• Opportunity to utilize research vision to innovate the entire company and make real‑world impact.
• Exposure to the full lifecycle of AI model development, from research to production.
• Competitive compensation (base + equity) with frontier AI labs.
• MongoDB’s base salary range for this role in the U.S. is: $126,000—$248,000 USD.
• Benefits include equity, employee stock purchase program, flexible paid time off, 20 weeks fully‑paid gender‑neutral parental leave, fertility and adoption assistance, 401(k) plan, mental health counseling, and inclusive health insurance coverage.

MongoDB is built for change, empowering our customers and our people to innovate at the speed of the market. We have redefined the data platform for the AI era, enabling builders to create, transform, and disrupt industries with software. MongoDB’s unified data platform, the most widely available, globally distributed data platform on the market, helps organizations modernize legacy workloads, embrace innovation, and unleash AI.

Our cloud‑native platform, MongoDB Atlas, is the only globally distributed, multi‑cloud data platform and is available across AWS, Google Cloud, and Microsoft Azure.

With offices worldwide and over 67,000 customers, including 75% of the Fortune 100 and AI‑native startups, MongoDB is powering the next era of software.

MongoDB is committed to providing any necessary accommodations for individuals with disabilities within our application and interview process. To request an accommodation due to a disability, please inform your recruiter.

MongoDB, Inc. provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type and makes all hiring decisions without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.