You must be a PhD candidate in Optical Engineering or related field, skilled in optical design (Zemax), MATLAB/Python, with experience in ophthalmic technology and knowledge of visual optics.

You will design and optimize ophthalmic lenses, develop modeling pipelines, and create metrology tools to evaluate and validate lens performance.

Research & Development

Engineering

United States

San Jose

Large

TikTok is a social media platform where users create and share short videos on various topics, including entertainment, education, and lifestyle. Their ultimate goal is to inspire creativity and bring joy to people's lives through engaging and entertaining content. TikTok's purpose is to provide a platform for self-expression and connection, fostering a global community where individuals can express themselves authentically and connect with others who share similar interests and passions.

Entertainment & Media

TikTok

Technology

Responsibilities
 About TikTok
 TikTok is the leading destination for short-form mobile video. At TikTok, our mission is to inspire creativity and bring joy. TikTok's global headquarters are in Los Angeles and Singapore, and its offices include New York, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo.
 
Why Join Us
 Creation is the core of TikTok's purpose. Our platform is built to help imaginations thrive. This is doubly true of the teams that make TikTok possible.
 Together, we inspire creativity and bring joy - a mission we all believe in and aim towards achieving every day.
 To us, every challenge, no matter how difficult, is an opportunity; to learn, to innovate, and to grow as one team. Status quo? Never. Courage? Always.
 At TikTok, we create together and grow together. That's how we drive impact - for ourselves, our company, and the communities we serve.
 Join us.
 
About Team
 As a world-renowned VR/AR brand with independent innovation and R&D capabilities, Pico has been at the forefront of the consumer electronic market. We have teams in Europe, Japan and South Korea. Now we are looking for experts in image pipeline to join us to build our AR/VR imaging team.
 
PICO is a leading VR/AR platform with independent innovation and R&D capabilities, focusing on VR all-in-one technology. PICO is committed to offering immersive and interactive VR experiences to our customers, including providing tailor-made solutions for our enterprise clients in the fields of education and healthcare. Now we are seeking experts to pioneer the integration of VR/AR technologies with humanoid robotics, one of today's most dynamic and rapidly evolving fields.
 
We are looking for talented individuals to join us for an internship in 2025. Internships at TikTok aim to offer students industry exposure and hands-on experience. Turn your ambitions into reality as your inspiration brings infinite opportunities at TikTok.
 
Applications will be reviewed on a rolling basis. We encourage you to apply early. Candidates can apply to a maximum of TWO positions and will be considered for jobs in the order you apply. The application limit is applicable to TikTok and its affiliates' jobs globally.
 Internships at TikTok aim to provide students with hands-on experience in developing fundamental skills and exploring potential career paths. A vibrant blend of social events and enriching development workshops will be available for you to explore. Here, you will utilize your knowledge in real-world scenarios while laying a strong foundation for personal and professional growth. It runs for 12-24 weeks and begins in May/June 2025 or August/September 2025. Successful candidates must be able to commit to one of the following start dates below:
 
(Select below options for Summer)
 <ul>
<li>Monday, May 12</li>
<li>Monday, May 19</li>
<li>Tuesday May 27 (Memorial Day May 27)</li>
<li>Monday, June 9</li>
<li>Monday, June 23</li>
</ul>
(Select below options for Fall)
 <ul>
<li>Monday, August 11</li>
<li>Monday, August 25</li>
<li>Monday, September 8</li>
<li>Monday, September 22</li>
</ul>
Please state your availability clearly in your resume (Start date, End date).
 
Applications will be reviewed on a rolling basis. We encourage you to apply early. Candidates can apply to a maximum of TWO positions and will be considered for jobs in the order you apply. The application limit is applicable to TikTok and its affiliates' jobs globally.
 
We are seeking a talented and innovative Optical Engineer to join our team, specializing in the design and evaluation of ophthalmic lenses. In this role, you will play a key role in developing an optical evaluation framework to design and assess different ophthalmic lenses (including tuable lens), ensuring optimal performance and enhanced visual perception for users.
 
Responsibilities: 
<ul>
<li>Design and optimize ophthalmic lenses using advanced optical design software (e.g., Zemax).</li>
<li>Develop theoretical, optical modeling and simulation pipelines to evaluate lens performance across various lens designs and frame-wearing positions (e.g., pantoscopic tilt, wrap angle) from both optical and human vision/perception perspectives.</li>
<li>Develop metrology testing tools to assess ophthalmic lens performance and validate results against simulation and modeling data to ensure accuracy.</li>
</ul>
Qualifications
 
Minimum Qualifications: 
<ul>
<li>PhD candidate in Optical Engineering, Physics, or a related field.</li>
<li>Experience in optical design, preferably within the ophthalmic technology sector.</li>
<li>Expert proficiency in optical design software, with a preference for Zemax.</li>
<li>Have background in visual optics and human vision science.</li>
<li>Proficiency in MATLAB or Python for optical modeling and data analysis.</li>
</ul>
Preferred Qualifications: 
<ul>
<li>Background of Liquid Lens and Liquid Crystal Lens</li>
</ul>
TikTok is committed to creating an inclusive space where employees are valued for their skills, experiences, and unique perspectives. Our platform connects people from across the globe and so does our workplace. At TikTok, our mission is to inspire creativity and bring joy. To achieve that goal, we are committed to celebrating our diverse voices and to creating an environment that reflects the many communities we reach. We are passionate about this and hope you are too.
 
TikTok is committed to providing reasonable accommodations in our recruitment processes for candidates with disabilities, pregnancy, sincerely held religious beliefs or other reasons protected by applicable laws. If you need assistance or a reasonable accommodation, please reach out to us at https://shorturl.at/cdpT2.
 Job Information
 The hourly rate range for this position in the selected city is $75- $75.
 
​
 
Benefits may vary depending on the nature of employment and the country work location. Interns have day one access to health insurance, life insurance, wellbeing benefits and more. Interns also receive 10 paid holidays per year and paid sick time (56 hours if hired in first half of year, 40 if hired in second half of year).
 
​
 
The Company reserves the right to modify or change these benefits programs at any time, with or without notice.
 
​
 
For Los Angeles County (unincorporated) Candidates: 
​
 
Qualified applicants with arrest or conviction records will be considered for employment in accordance with all federal, state, and local laws including the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Our company believes that criminal history may have a direct, adverse and negative relationship on the following job duties, potentially resulting in the withdrawal of the conditional offer of employment:
 
​
 
1. Interacting and occasionally having unsupervised contact with internal/external clients and/or colleagues;
 
​
 
2. Appropriately handling and managing confidential information including proprietary and trade secret information and access to information technology systems; and
 
​
 
3. Exercising sound judgment.

Responsibilities
About TikTok
TikTok is the leading destination for short-form mobile video. At TikTok, our mission is to inspire creativity and bring joy. TikTok's global headquarters are in Los Angeles and Singapore, and its offices include New York, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo.

Why Join Us
Creation is the core of TikTok's purpose. Our platform is built to help imaginations thrive. This is doubly true of the teams that make TikTok possible.
Together, we inspire creativity and bring joy - a mission we all believe in and aim towards achieving every day.
To us, every challenge, no matter how difficult, is an opportunity; to learn, to innovate, and to grow as one team. Status quo? Never. Courage? Always.
At TikTok, we create together and grow together. That's how we drive impact - for ourselves, our company, and the communities we serve.
Join us.

About Team
As a world-renowned VR/AR brand with independent innovation and R&D capabilities, Pico has been at the forefront of the consumer electronic market. We have teams in Europe, Japan and South Korea. Now we are looking for experts in image pipeline to join us to build our AR/VR imaging team.

PICO is a leading VR/AR platform with independent innovation and R&D capabilities, focusing on VR all-in-one technology. PICO is committed to offering immersive and interactive VR experiences to our customers, including providing tailor-made solutions for our enterprise clients in the fields of education and healthcare. Now we are seeking experts to pioneer the integration of VR/AR technologies with humanoid robotics, one of today's most dynamic and rapidly evolving fields.

We are looking for talented individuals to join us for an internship in 2025. Internships at TikTok aim to offer students industry exposure and hands-on experience. Turn your ambitions into reality as your inspiration brings infinite opportunities at TikTok.

Applications will be reviewed on a rolling basis. We encourage you to apply early. Candidates can apply to a maximum of TWO positions and will be considered for jobs in the order you apply. The application limit is applicable to TikTok and its affiliates' jobs globally.
Internships at TikTok aim to provide students with hands-on experience in developing fundamental skills and exploring potential career paths. A vibrant blend of social events and enriching development workshops will be available for you to explore. Here, you will utilize your knowledge in real-world scenarios while laying a strong foundation for personal and professional growth. It runs for 12-24 weeks and begins in May/June 2025 or August/September 2025. Successful candidates must be able to commit to one of the following start dates below:

(Select below options for Summer)

Monday, May 12
Monday, May 19
Tuesday May 27 (Memorial Day May 27)
Monday, June 9
Monday, June 23

(Select below options for Fall)

Monday, August 11
Monday, August 25
Monday, September 8
Monday, September 22

Please state your availability clearly in your resume (Start date, End date).

Applications will be reviewed on a rolling basis. We encourage you to apply early. Candidates can apply to a maximum of TWO positions and will be considered for jobs in the order you apply. The application limit is applicable to TikTok and its affiliates' jobs globally.

We are seeking a talented and innovative Optical Engineer to join our team, specializing in the design and evaluation of ophthalmic lenses. In this role, you will play a key role in developing an optical evaluation framework to design and assess different ophthalmic lenses (including tuable lens), ensuring optimal performance and enhanced visual perception for users.

Responsibilities:

Design and optimize ophthalmic lenses using advanced optical design software (e.g., Zemax).
Develop theoretical, optical modeling and simulation pipelines to evaluate lens performance across various lens designs and frame-wearing positions (e.g., pantoscopic tilt, wrap angle) from both optical and human vision/perception perspectives.
Develop metrology testing tools to assess ophthalmic lens performance and validate results against simulation and modeling data to ensure accuracy.

Qualifications

Minimum Qualifications:

PhD candidate in Optical Engineering, Physics, or a related field.
Experience in optical design, preferably within the ophthalmic technology sector.
Expert proficiency in optical design software, with a preference for Zemax.
Have background in visual optics and human vision science.
Proficiency in MATLAB or Python for optical modeling and data analysis.

Preferred Qualifications:

Background of Liquid Lens and Liquid Crystal Lens

TikTok is committed to creating an inclusive space where employees are valued for their skills, experiences, and unique perspectives. Our platform connects people from across the globe and so does our workplace. At TikTok, our mission is to inspire creativity and bring joy. To achieve that goal, we are committed to celebrating our diverse voices and to creating an environment that reflects the many communities we reach. We are passionate about this and hope you are too.

TikTok is committed to providing reasonable accommodations in our recruitment processes for candidates with disabilities, pregnancy, sincerely held religious beliefs or other reasons protected by applicable laws. If you need assistance or a reasonable accommodation, please reach out to us at https://shorturl.at/cdpT2.
Job Information
The hourly rate range for this position in the selected city is $75- $75.

​

Benefits may vary depending on the nature of employment and the country work location. Interns have day one access to health insurance, life insurance, wellbeing benefits and more. Interns also receive 10 paid holidays per year and paid sick time (56 hours if hired in first half of year, 40 if hired in second half of year).

​

The Company reserves the right to modify or change these benefits programs at any time, with or without notice.

​

For Los Angeles County (unincorporated) Candidates:
​

Qualified applicants with arrest or conviction records will be considered for employment in accordance with all federal, state, and local laws including the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Our company believes that criminal history may have a direct, adverse and negative relationship on the following job duties, potentially resulting in the withdrawal of the conditional offer of employment:

​

1. Interacting and occasionally having unsupervised contact with internal/external clients and/or colleagues;

​

2. Appropriately handling and managing confidential information including proprietary and trade secret information and access to information technology systems; and

​

3. Exercising sound judgment.

Optical Engineer Intern (PICO-Ophthalmic Lens Design) - 2025 Summer/Fall (PhD)

Requirements

Responsibilities

FAQs

What is the duration of the internship?

When should I apply for the internship?

What are the educational qualifications required for this internship?

What software proficiency is preferred for this position?

Is any experience in the ophthalmic technology sector necessary?

Are there any preferred qualifications that could strengthen my application?

What type of work will I be doing as an intern?

Will I have access to benefits as an intern?

What is the hourly rate for this internship?

Is there an emphasis on diversity and inclusion within the company?

TikTok

Mission & Purpose