Senior Developer - Java

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. Job Summary We are looking for a Senior Java Engineer to lead the design, development, and modernization of enterprise-grade applications that support AI-driven and intelligent digital capabilities. This role involves transforming legacy systems into scalable, resilient, and production-ready solutions aligned with modern architecture principles and engineering best practices. The ideal candidate will demonstrate strong technical expertise, ownership and drive high-quality delivery.  Key Responsibilities:   Lead the design, development, and delivery of robust Java-based applications and services  Write high-quality, scalable, and maintainable code following industry standards and best practices  Conduct and lead code reviews, ensuring adherence to quality, performance, and security standards  Collaborate with architects, product owners, and cross-functional teams to define and implement scalable solutions  Drive analysis, refactoring, and modernization of legacy systems and applications  Mentor and guide junior developers, fostering team capability and engineering excellence  Partner with DevOps teams to streamline CI/CD pipelines, build automation, and deployment strategies  Proactively troubleshoot complex issues, perform root cause analysis, and lead production support efforts  Optimize application performance, scalability, reliability, and maintainability  Champion adoption of modern development practices, including automation, observability, and design patterns  Lead API design and development aligned with enterprise architecture standards  Contribute to technical decision-making, solution design discussions, and roadmap planning  Skills Required:   Bachelor’s degree in Computer Science, Engineering, or equivalent practical experience  9+ years of experience in software engineering, or distributed systems  Strong proficiency in Java/J2EE, OOP principles, and advanced design patterns  Extensive experience with Spring Framework (Spring Boot) and RESTful API development  Solid expertise in JPA/Hibernate, JDBC, and relational databases (SQL)  Hands-on experience with unit testing and integration testing frameworks (e.g., JUnit, Mockito)  Strong experience with Git, branching strategies, and build tools such as Maven/Gradle  Proven ability in debugging, performance tuning, and problem-solving in complex systems  Experience with Docker, containerization, and cloud platforms (AWS/Azure/GCP preferred)  Good understanding of scalability, distributed systems, and system integration patterns  Exposure to automation, AI/ML integration concepts, or modern engineering trends is an advantage  Strong communication and collaboration skills, with the ability to influence, mentor, and work effectively across teams    This position requires working onsite five days a week.   Relocation is available for this position. Visa Sponsorship is not available for this position. Posting Dates: October 27, 2026 - November 9, 2026 Caterpillar is an Equal Opportunity Employer.  Qualified applicants of any age are encouraged to apply Not ready to apply? Join our Talent Community .