AI Research Engineer Jobs in USA with Visa Sponsorship
AI Research Engineer roles attract strong H-1B visa sponsorship from U.S. tech employers, and many positions also qualify under the O-1A visa for researchers with publications or patents. Demand across cloud, semiconductor, and defense AI labs has kept sponsorship rates consistently high for this specialty. For detailed occupation requirements, see the O*NET profile.
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Get Access To All JobsINTRODUCTION
Our mission at Duolingo is to develop the best education in the world and make it universally available. It’s a big mission, and that’s where you come in! At Duolingo, you’ll join a team that cares about finding innovative solutions to complex technical problems, running countless experiments (300+ at a time!) with our massive user base to make data-driven decisions, and educating our users and employees alike. You’ll have limitless learning opportunities, mentorship and collaboration with world-class minds, and a variety of projects with large scopes — while doing work that’s both fun and meaningful. Join our life-changing mission to develop education for our half a billion (and growing!) learners around the world.
ABOUT THE ROLE
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. They will have experience at multiple levels of the ML stack, including feature engineering, developing training data, fine-tuning, reinforcement learning, quality evaluations, deployment, and monitoring. On the Video Call team, we’re building AI systems that support the core learning mission of Duolingo, improving the learning experience and helping our learners build healthy, productive habits. Given the wide array of AI domains, broad experience in AI/ML is highly desirable.
🧠 YOU WILL...
- 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.
✅ YOU HAVE...
- 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.
The offered salary is dependent upon several factors, including work experience, skills, and internal peer comparisons. The posted range is subject to change in the future. For this role, base salary is supplemented by equity compensation. We encourage you to talk with your recruiter for more information related to compensation for this role!
SALARY RANGE
$197,200—$266,800 USD
BENEFITS:
Take a peek at how we care for our employees' holistic well-being with our benefits here.
ACCOMMODATIONS:
We will do everything we can within reason to make sure that your interview takes place in an environment that fairly and accurately assesses your skills. If you need assistance or accommodation, please contact accommodations@duolingo.com.
EQUAL EMPLOYMENT OPPORTUNITY
Duolingo is proud to be an Equal Employment Opportunity employer. We do not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.
FRAUD WARNING:
Unfortunately, there is a rise in scammers pretending to be real Duolingo employees. Duolingo and our employees will never ask for your Social Security number, bank details, or passport info, and we’ll never ask you to deposit a check, purchase equipment, or exchange money during the interview process. Real Duolingo employees always use an email that ends in @duolingo.com or @recruiting.duolingo.com. Stay alert and double-check these details before sharing any information. By applying for this position your data will be processed as per the Duolingo Applicant Privacy Notice.
INTRODUCTION
Our mission at Duolingo is to develop the best education in the world and make it universally available. It’s a big mission, and that’s where you come in! At Duolingo, you’ll join a team that cares about finding innovative solutions to complex technical problems, running countless experiments (300+ at a time!) with our massive user base to make data-driven decisions, and educating our users and employees alike. You’ll have limitless learning opportunities, mentorship and collaboration with world-class minds, and a variety of projects with large scopes — while doing work that’s both fun and meaningful. Join our life-changing mission to develop education for our half a billion (and growing!) learners around the world.
ABOUT THE ROLE
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. They will have experience at multiple levels of the ML stack, including feature engineering, developing training data, fine-tuning, reinforcement learning, quality evaluations, deployment, and monitoring. On the Video Call team, we’re building AI systems that support the core learning mission of Duolingo, improving the learning experience and helping our learners build healthy, productive habits. Given the wide array of AI domains, broad experience in AI/ML is highly desirable.
🧠 YOU WILL...
- 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.
✅ YOU HAVE...
- 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.
The offered salary is dependent upon several factors, including work experience, skills, and internal peer comparisons. The posted range is subject to change in the future. For this role, base salary is supplemented by equity compensation. We encourage you to talk with your recruiter for more information related to compensation for this role!
SALARY RANGE
$197,200—$266,800 USD
BENEFITS:
Take a peek at how we care for our employees' holistic well-being with our benefits here.
ACCOMMODATIONS:
We will do everything we can within reason to make sure that your interview takes place in an environment that fairly and accurately assesses your skills. If you need assistance or accommodation, please contact accommodations@duolingo.com.
EQUAL EMPLOYMENT OPPORTUNITY
Duolingo is proud to be an Equal Employment Opportunity employer. We do not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.
FRAUD WARNING:
Unfortunately, there is a rise in scammers pretending to be real Duolingo employees. Duolingo and our employees will never ask for your Social Security number, bank details, or passport info, and we’ll never ask you to deposit a check, purchase equipment, or exchange money during the interview process. Real Duolingo employees always use an email that ends in @duolingo.com or @recruiting.duolingo.com. Stay alert and double-check these details before sharing any information. By applying for this position your data will be processed as per the Duolingo Applicant Privacy Notice.
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Get Access To All JobsTips for Finding Visa Sponsorship as an AI Research Engineer
Target employers with established H-1B filing histories
Companies like Google, Meta, Microsoft, and OpenAI file hundreds of H-1B petitions annually for research roles. Employers with existing immigration infrastructure move faster and are far less likely to back out after an offer.
Lead with publications, patents, and benchmarks
AI Research Engineer applications succeed when candidates demonstrate measurable research output. Papers on arXiv, NeurIPS acceptances, or model benchmarks give visa petitions concrete evidence of specialty occupation standing and strengthen O-1A eligibility significantly.
Clarify your degree field matches the role
H-1B specialty occupation requires a directly related degree. A PhD in computer science, electrical engineering, or statistics aligns cleanly. Applied mathematics or physics degrees typically qualify too, but include transcript evidence that your coursework covers machine learning specifically.
Ask about cap-exempt employer options early
Universities, federally funded research centers, and nonprofits affiliated with research institutions are H-1B cap-exempt. AI researchers working in academia or national labs can receive H-1B approval any time of year, bypassing the lottery entirely.
Consider the O-1A visa if you have a strong research record
If you have peer-reviewed publications, a high citation count, or have judged others' research, the O-1A is worth evaluating. It has no annual cap, no lottery, and approval rates for credentialed AI researchers with documented contributions run well above average.
Disclose OPT or STEM OPT status upfront with employers
Many AI research roles at qualifying employers allow you to bridge from STEM OPT directly into H-1B cap-gap coverage. Being transparent early lets employers plan the I-129 filing timeline and avoid gaps in your work authorization continuity.
Frequently Asked Questions
Does an AI Research Engineer role qualify as an H-1B specialty occupation?
Yes, AI Research Engineer consistently qualifies as an H-1B visa specialty occupation. USCIS recognizes it as a role that normally requires at least a bachelor's degree in a specific field such as computer science, machine learning, or electrical engineering. Roles focused on model architecture, training pipelines, or applied research have strong approval histories, particularly when the employer can document that a theoretical and practical degree background is standard for the position.
Do I need a PhD to get H-1B sponsorship as an AI Research Engineer?
No, a PhD is not required, but it significantly strengthens both your sponsorship prospects and the visa petition itself. Most employers will sponsor candidates with a master's degree in a relevant field, especially when paired with publications, industry experience, or open-source contributions. Some roles at research-focused labs de facto prefer PhDs, so review job descriptions carefully. You can browse AI Research Engineer roles with sponsorship on Migrate Mate to see how requirements vary by employer.
Can I qualify for an O-1A visa as an AI Research Engineer?
Yes, and many AI researchers are stronger O-1A candidates than they realize. USCIS evaluates O-1A petitions across ten criteria, including published work in peer-reviewed venues, high citation counts, judging others' research, and contributions of major significance. Researchers with NeurIPS, ICML, or ICLR publications, or whose work is widely cited, often meet three or more criteria. The O-1A has no lottery and no cap, making it a practical alternative for researchers who miss the H-1B selection.
What happens to my visa status if I switch employers between research projects?
If you're on H-1B status, you can begin working for a new employer as soon as they file an H-1B transfer petition with USCIS, under H-1B portability rules, without waiting for approval. Your authorization continues as long as the new petition is non-frivolous and filed before your current status expires. If you're on STEM OPT, employer changes require updating your I-983 training plan within ten days, so notify your designated school official immediately when an offer is confirmed.
Which types of employers sponsor AI Research Engineer roles most reliably?
Large technology companies with dedicated AI divisions, semiconductor firms, cloud infrastructure providers, defense contractors, and academic medical centers with research arms are the most consistent sponsors. Universities and federally funded research centers are especially valuable because they are H-1B cap-exempt, meaning no lottery. Startups can and do sponsor, but their immigration infrastructure varies widely. Migrate Mate filters AI Research Engineer roles by sponsorship availability so you can identify employers already filing petitions in this category.
What is the prevailing wage requirement for sponsored AI Research Engineer jobs?
U.S. employers sponsoring a visa must pay at least the prevailing wage, which is what workers in the same role, area, and experience level typically earn. The Department of Labor sets this rate to make sure companies aren't hiring foreign workers simply because they'd accept lower pay than a U.S. worker. It varies by job title, location, and experience. You can look up current prevailing wage rates for any occupation and location using the OFLC Wage Search page.