Senior Software Engineer

Career Area: Technology, Digital and Data Job Description: Your Work Shapes the World at Caterpillar Inc. When you join Caterpillar, you're joining a global team who cares not just about the work we do – but also about each other.  We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don't just talk about progress and innovation here – we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it.

Overview We are seeking a highly skilled Senior Software Engineer – UI Engineering to build and evolve enterprise-scale web applications, UI frameworks, component libraries, and front-end platform capabilities. This role will play a key part in developing modern user experiences using React, Web Components, TypeScript, and related technologies while contributing to reusable platform capabilities that accelerate application development across the organization. The ideal candidate is a strong hands-on engineer with experience building scalable front-end applications, shared UI frameworks, and reusable component ecosystems. Exposure to AI-assisted engineering tools and workflows is a plus.

Front-End Application Development Design, develop, and maintain enterprise-grade web applications using React, Next.js, TypeScript, Web Components, HTML5, and CSS. Build responsive, accessible, and performant user interfaces. Develop reusable features, components, and capabilities aligned with platform and design system standards. Integrate applications with REST APIs, and Backend-for-Frontend (BFF) layers. Participate in technical design discussions and implementation planning. UI Platform, Framework & Library Engineering Contribute to the development and enhancement of shared UI frameworks, component libraries, and platform capabilities. Build reusable React components, Web Components, shared utilities, templates, and engineering accelerators. Support modernization initiatives, including modularization, performance optimization, and framework evolution. Contribute to framework releases, version management, and backward compatibility. Help improve developer experience through tooling, documentation, and reusable patterns. Design Systems & Component Engineering Implement design-system components, design tokens, theming, and styling standards. Partner with UX and Design teams to transform designs into reusable production-ready components. Support accessibility and WCAG compliance requirements. Ensure consistency across applications through adoption of shared frameworks and libraries. Engineering Excellence & Quality Write high-quality, maintainable, scalable, and testable code. Follow established coding standards and architectural guidelines. Develop automated tests, including: Unit testing Integration testing UI automation testing Visual regression testing Ensure compliance with: SonarQube quality standards Secure coding practices Open-source governance requirements (FOSSA or equivalent) Identify and reduce technical debt while continuously improving code quality. Performance, Security & Reliability Optimize applications and framework components for: Core Web Vitals Bundle size reduction Rendering efficiency Accessibility compliance Application scalability Support production troubleshooting and root-cause analysis. Address vulnerabilities and follow secure development practices. DevOps & Continuous Delivery Contribute to CI/CD pipelines and release automation. Participate in trunk-based development practices. Support feature flag and progressive delivery approaches. Assist with release readiness and deployment validation activities. AI-Assisted Engineering & Innovation Leverage AI-assisted development tools to improve productivity and engineering efficiency. Contribute to engineering initiatives involving: AI-assisted code generation Developer productivity accelerators