About the role#
We are looking for a Full Stack Software Engineering Intern to join our team. You will help build Tessera Mosaic, a platform where AI agents work with people to change how enterprises operate. You will take ownership of product problems from start to finish, including the interfaces used to control agents and the backend systems that power them. You can focus on the frontend, the backend, or both depending on your skills and interests.
What you'll do#
- Build product features using React and TypeScript for the frontend.
- Develop backend services, APIs, and data models using Python.
- Take projects from a rough idea to a finished, shipped product.
- Create tools that make AI agents understandable and controllable for users.
- Work with data from systems like SAP, Salesforce, and Oracle.
- Partner with product and design teams to shape solutions and iterate on features.
What you'll need#
- Strong product sense and an interest in how users interact with your work.
- Experience building software through class projects, side projects, or previous internships.
- Ability to learn quickly and move forward on problems independently.
- Comfort working with data, including SQL and relational tables.
- Ability to explain your thinking clearly and ask questions early.
- Proactive communication when you encounter challenges or need help.
- Willingness to learn across the full stack.
- Experience with LLMs or agents is a plus.
- Familiarity with React, TypeScript, or Python is preferred.
Location & details#
- Locations: San Jose, CA, New York, NY, or Remote within the United States.
- Terms: Fall 2026, Spring 2027, or Summer 2027.
- Duration: 10 to 12 weeks.
- Hours: Up to 40 hours per week.
- This is a paid, full-time internship.
About Tessera Labs
Tessera Labs is a software development company based in San Jose, California. Founded in 2024, the business employs 67 people. It provides a multi-agent AI platform designed to assist with enterprise resource planning transformations. The company focuses on reducing project timelines and costs for organizations in regulated industries.
How to get in at Tessera Labs
Applying early for an internship at Tessera Labs provides a clear advantage before the applicant pool grows. Intern Insider sends an instant alert the moment a role matching your target is published anywhere, so you can be among the first to submit your materials. Getting your application in before the pile grows is a standard way to ensure your profile is actually reviewed. You can also improve your response rates by reaching out to the people managing these roles directly. Intern Insider surfaces the recruiters behind the company's roles so you can ask about the position or request a referral. This direct approach often works better than waiting for a response from a general queue.
