# Senior AI Research Engineer

**Company**: Duolingo
**Location**: New York, NY
**Experience**: senior
**Job type**: full-time
**Salary**: $197,200-$266,800 USD
**Category**: Engineering
**Industry**: Technology

**Apply**: https://job-boards.greenhouse.io/duolingo/jobs/8656959002?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/jobs/job_5bc6cbc4-2f8

## Description

We are looking for a Senior AI Research Engineer to join our Duolingo Video Call team.

The ideal candidate will have a proven track record as an AI research engineer, with experience across various machine learning techniques including large language models, speech models, benchmarking, and/or personalization.

Responsibilities:

- Join a full-stack team of frontend, backend and other AI Research engineers, fostering a collaborative and innovative work environment.

- Contribute to the development and training of a variety of machine learning models, including large-scale neural networks, speech recognition, and text-to-speech systems.

- Collaborate with cross-functional teams to understand their needs, to align the models’ outputs with company objectives.

- Participate in and influence strategic product and business decision making with members of the Language Learning leadership group.

- Stay up-to-date with the latest developments in machine learning and apply this knowledge to drive advancements in our projects.

- Mentor team members, providing guidance and support in their professional development.

- Ensure the delivery of high-quality, scalable, and efficient machine learning solutions.

Requirements:

- Proven experience as an AI research engineer, for example, in LLMs, multimodal modeling, speech, or related fields.

- Strong background in training and fine-tuning large models in an applied setting.

- Advanced degree in Computer Science, Engineering, or a related field with a focus on machine learning or artificial intelligence, or equivalent experience.

- Excellent leadership and communication skills, with the ability to lead and inspire a team.

- Technical depth sufficient to guide architecture and implementation trade-offs, evolve quality standards, and mentor engineers on best practices.

- Deep understanding of machine learning concepts, frameworks, and best practices.

Benefits:

- The company offers a range of benefits to support employees' holistic well-being.

Salary Range: $197,200-$266,800 USD

## Skills

### Required
- large language models
- speech models
- machine learning
- feature engineering
- reinforcement learning
- quality evaluations
- deployment
- monitoring

---

Source: [Apply at job-boards.greenhouse.io](https://job-boards.greenhouse.io/duolingo/jobs/8656959002?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)