Principal Software Developer

Career Area: Engineering 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 Description: The Standard Solutions group at Solar Turbines is at the forefront of developing innovative products and tools that drive success for our customers across diverse industries. We are seeking a motivated and forward‑thinking Software Developer to join our dynamic team. If you thrive in a fast‑paced engineering environment and enjoy creative problem‑solving, this role offers an exciting opportunity. This position is 5 days a week in office in San Diego, CA. Position Overview: As a Software Developer, you will collaborate with a global cross‑functional team to design, develop, and implement modern software tools using Agile development methodologies. You will work with new technologies to modernize legacy software tools and support ongoing digital transformation efforts. Key Responsibilities: Collaborate with product owner, technical architect, business analysts, and stakeholders to develop and implement modern software tools that support product design, testing, and validation. Create detailed technical designs and project plans. Implement solutions that ensure robust, efficient, and secure software performance. Mentor, train, and support team members in upgrading existing software tools and developing new tools. What You Need to Have: A degree in Engineering, Computer Science, Information Systems, or a closely related field. At least 7 years of experience with C#, VB.NET, Python, TypeScript, and the .NET framework, along with hands‑on expertise in database design using Oracle or SQL. Experience with desktop application development using WinUI or other XAML‑based frameworks is preferred; a solid understanding of Windows Forms (WinForms) is required. Strong proficiency with ORM tools such as Entity Framework and Dapper. Solid knowledge of front‑end technologies, including ReactJS and Angular (v17+), is desirable. Familiarity with API development, middleware concepts, and token‑based authentication/authorization. Strong communication skills and the ability to work effectively with end users and business leaders. Top Candidates Will Have: Experience in modernizing legacy software tools. Knowledge of Agile software development methodologies, as well as user interface (UI) and user experience (UX) design principles. Managing Multiple Priorities: Strong organizational skills and a sense of urgency to manage multiple projects and competing priorities. Visa Sponsorship is not available for this position. Partial relocation assistance may be offered for this role. About Caterpillar Caterpillar Inc. is the world’s leading manufacturer of construction and mining equipment, off-highway diesel and natural gas engines, industrial gas turbines and diesel-electric locomotives. For nearly 100 years, we’ve been helping customers build a better, more sustainable world and are committed and contributing to a reduced-carbon future. Our innovative products and services, backed by our global dealer network, provide exceptional value that helps customers succeed. Summary Pay Range: $120,600.00 - $180,900.00 Compensation and benefits offered may vary depending on multiple individualized factors, job level, market location, job-related knowledge, skills, individual performance and experience. Please note that salary is only one component of total compensation at Caterpillar. Benefits: Subject to plan eligibility, terms, and guidelines. This is a summary list of benefits. Medical, dental, and vision benefits* Paid time off plan (Vacation, Holidays, Volunteer, etc.)* 401(k) savings plans* Health Savings Account (HSA)* Flexible Spending Accounts (FSAs)* Health Lifestyle Programs* Employee Assistance Program* Voluntary Benefits and Employee Discounts* Career Development* Incentive bonus* Disability benefits Life Insurance Parental leave Adoption benefits Tuition Reimbursement * These benefits also apply to part-time employees This position requires working onsite five days a week. Visa Sponsorship is not available for this position. Posting Dates: Any offer of employment is conditioned upon the successful completion of a drug screen. Caterpillar is an Equal Opportunity Employer, Including Veterans and Individuals with Disabilities. Qualified applicants of any age are encouraged to apply. Not ready to apply? Join our Talent Community .