Cesium's making a new world.
Are you in?

Analytical Graphics, Inc. (AGI), founder of Cesium, is growing the core team. Come develop the future of 3D virtual globes!

Join Us

Do you want your work to impact a large community and move the open-source 3D field forward?

We want to meet you! Join the Cesium team in solving groundbreaking problems in 3D graphics, massive virtual worlds, and geospatial analysis.

Passionate Team

Our team works at the intersection of 3D, geospatial, and the web. We are passionate about crafting world-class software, realizing the potential of 3D on the web, and teaching and learning from new team members, from interns to experienced developers.

Born in Aerospace

The Cesium team is part of AGI, a real aerospace company. You may find yourself having lunch with a rocket scientist or hanging out at our Commercial Space Operations Center, tracking satellites in real-time (it's built on Cesium, of course).

Open Source

Much of our work is open source. We collaborate with the community on GitHub, mentor students on open-source projects, and participate in events such as code sprints and hackathons.

Industry Impact

When we're not writing code for Cesium, you may find us contributing to open standards, writing books, teaching computer science, or presenting at or organizing conferences.

Ridiculous Perks

Free meals, snacks, and beverages, casual dress, flexible hours, and onsite gym and laundry top the list of AGI's great perks. AGI also offers an outstanding salary, benefits, retirement, and development hardware.

3D Software Developer Intern

JavaScript | WebGL

Do you love computer graphics, the web, and open-source?

Last Updated: November 30, 2016

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JavaScript Software Developer Intern

JavaScript | Node.js

Do you want to sharpen your JavaScript skills and learn Node.js and tools for building modern web apps?

Last Updated: November 30, 2016

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Current Openings



To apply, email the Cesium technical lead, Patrick Cozzi, pcozzi@agi.com. Expect to hear back quickly!




For tips on interviewing, see What is it like to interview with the Cesium team at AGI?

About AGI

The Cesium team is part of Analytical Graphics, Inc. (AGI), where computer science and rocket science combine to serve security and space professionals.

AGI won the Best Tech Work Culture at the Philadelphia Timmy Awards and was listed in the top 10 coolest companies to work for in Philadelphia.

AGI is located in Exton, outside of Philadelphia. We are happy to help you find housing.

AGI is an Equal Opportunity/Affirmative Action Employer