> Markdown version of [/jobs/ext/3932804-software-engineer-ii](https://www.wearedevelopers.com/jobs/ext/3932804-software-engineer-ii). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer II - **Company:** Bentley Systems, Incorporated - **Location:** Exton, PA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Computer-Aided Design, 3D Rendering, Geographic Information Systems, Artificial Intelligence, Component-Based Software Engineering, Microsoft Azure, Cloud Engineering, Continuous Integration, Data Structures, Github, Object-Oriented Software Development, E2e Testing, Microsoft Copilot, Software Engineering, Systems Integration, TypeScript, Web Applications, WebGL, Three.js, Digital Twin, GitHub Copilot, ReactJS, Git, Build Management, Information Technology, Playwright, Front End Software Development, JestJS, Restful APIs - **Published:** October 26, 2026 - **Apply:** https://www.techcareers.com/job.asp?id=3467617201&tx=JP1711FFK&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role * Graduate or post-graduate degree in computer science, software engineering, or relevant training and/or experience. * At least 5 years' experience in frontend development with TypeScript, React * Experience with frontend unit and end-to-end testing (e.g., Jest/Vitest, Playwright), data structures, and OOP. * Working experience with Scrum and agile methodologies. * Experience building component-based UIs and consuming REST APIs. * Familiarity with 3D/graphics in the browser (WebGL, three.js, Cesium, or similar) - directly relevant to iTwin.js viewer work. * Good verbal and written communication skills. * This role requires minimal travel. * 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 would make you stand out: * Experience with Azure DevOps, CI/CD, GitHub, GitHub Copilot, and Git * Experience with monorepos and module/micro-frontend architectures * Exposure to Cesium and iTwin.js or other digital-twin / BIM / CAD platforms. * Experience integrating or building AI/Copilot-assisted features * Familiarity with WebGL/3D rendering performance in web apps. ## Description We are looking for a passionate Software Engineer II to help design and build the web-based viewing and collaboration experiences at the heart of Bentley Infrastructure Cloud (BIC) . Our team builds the embedded 3D/digital-twin viewer and its surrounding feature modules - used by engineers, owners, and contractors worldwide to review, markup, and collaborate on infrastructure projects (buildings, bridges, roads, rail, and utilities). You'll work in a TypeScript/React codebase built on iTwin.js and Cesium rendering large-scale iModels, Reality Data, and Geospatial Data in the browser, and surfacing that data through rich workflows. This is a high-impact role on a product that is central to how Bentley's users interact with their digital twins every day., * Design, build, and ship frontend features for the Bentley Infrastructure Cloud iTwin/iModel Viewer using TypeScript, React, Cesium, and iTwin.js, from requirements through delivery.