**Senior Software Engineer** **Cesium Native** Location: Office-Based / Hybrid – Philadelphia **Position Summary:** Cesium (now a part of Bentley) is defining the standard for 3D across industries from the construction site to the battlefield, from outer space to underground. Cesium has more than 10,000,000 lifetime open-source downloads and we support a thriving open-source community. We are in an extraordinary position and are looking for a **senior developer specializing in 3D runtime engine development** to help advance Cesium’s roadmap for 3D geospatial integrations in native runtime engines. Enabling our community to build full-scale real-world 3D applications, games, and experience with game engines to be deployed across a variety of platforms and devices. **Your day-to-day** + Help build our integrations and tooling for runtime engines, improve performance and optimizations, and advance our open-source software libraries. + **Use C++, C#, or other common game engine programming languages to develop plugins, demos, and application code** + Use modern software development practices to create reusable libraries, unit tests, and documentation + Develop high-performance graphics algorithms and use profiling to optimize hotspots + Participating in collaborative open-source development using GitHub, code reviews, and CI + Bring a passion for making 3D data accessible to everyone + Engage with our active user community and represent Cesium true to our brand as an authentic authority in 3D geospatial + Collaborate with product management on platform roadmap and product line strategy + Minimal travel will be required in this role. + Requires sitting or standing at will while performing work on a computer (or any other physical requirements (https://www.bls.gov/ors/factsheet/visual-overview-of-physical-demands.htm) ). **What You Bring to the Team** + Over 10 years of relevant experience developing 3D runtime engines + Excellent C++ development skills with a focus on modular architecture, API design, and performance + Experience with current graphics techniques and algorithms such as spatial data structures, runtime engine design and architecture, and shaders + Experience building native plugins for Unreal Engine, Unity, or NVIDIA Omniverse. + Exposure to geospatial software and/or data such as photogrammetry, point clouds, and terrain + Experience with any flavor of parallel programming: multicore, SIMD, GPU, etc. + Experience debugging and profiling graphics performance + Experience with open standards and formats such as glTF and 3D Tiles + Fantastic communication skills – writing, in person, both internally and externally + Experience improving software products through automation and testing + A desire to learn new tools, capabilities, and platforms to add to your personal toolbox through continuous education. + A willingness to mentor other Cesium developers and colleagues + BS, MS in Computer Science, Software Engineering, or related field with equivalent industry experience **What We Offer:** + A great Team and culture – please see our Recruitment Video (https://www.youtube.com/watch?v=epJImnDsbYE) . + An exciting career as an integral part of a world-leading software company providing solutions for architecture, engineering, and construction. + Competitive Salary and benefits. + The opportunity to work within a global and diverse international team. + A supportive and collaborative environment. + Colleague Recognition Awards. **About Bentley Systems** Bentley Systems (Nasdaq: BSY) is the _infrastructure engineering software_ company. We provide innovative software to advance the world’s infrastructure – sustaining both the global economy and environment. Our industry-leading software solutions are used by professionals, and organizations of every size, for the design, construction, and operations of roads and bridges, rail and transit, water and wastewater, public works and utilities, buildings and campuses, mining, and industrial facilities. Our offerings, powered by the _iTwin_ Platform for infrastructure digital twins, include _MicroStation_ and _Bentley Open_ applications for modeling and simulation, _Seequent’s_ software for geoprofessionals, and _Bentley Infrastructure Cloud_ encompassing _ProjectWise_ for project delivery, _SYNCHRO_ for construction management, and _AssetWise_ for asset operations. Bentley Systems’ 5,200 colleagues generate annual revenues of more than $1 billion in 194 countries. www.bentley.com **Equal Opportunity Employer:** Bentley is an equal opportunity employer and considers all qualified applicants for employment without regard to race, color, sex, sexual orientation, gender identity, disability, pregnancy, protected veteran status, religion, national origin, age, genetic information or any other protected characteristic. This commitment extends to all aspects of employment, including, but not limited to, hiring, placement, promotion, compensation, and training. Know Your Rights (https://www.dol.gov/agencies/ofccp/posters) as an applicant under the law. Bentley Policy on EEO, Affirmative Action and Pay Transparency Non-Discrimination (https://www.bentley.com/wp-content/uploads/Bentley-EEOAA-Statement-of-Policy.pdf) Bentley participates in e-Verify / Bentley participate in e-Verify / Right to Work Notice **Request an Accommodation:** As an Equal Opportunity Employer, Bentley is committed to providing reasonable accommodations to applicants with disabilities. We encourage you to request a reasonable accommodation if you are not able to fully use or access our online application system. You can make an accommodation request by calling 610-458-5000 or sending us an email at disabilityrequest@bentley.com Equal Opportunity Employer/Minorities/Females/Veterans/Disabled