Software Engineer (.NET & AI)

Caterpillar Brazil; Cary (NC); Hybrid; USD 113,000 - 183,000; Full time

Benefits offered by this job

Medical, dental, and vision benefits

401(k) with company match

Paid time off

Job summary

Caterpillar Inc. in Cary, North Carolina is seeking an experienced Software Engineer ( .NET & AI ) to design, develop, and maintain scalable .NET applications and AI-powered solutions for the Construction Industries – Building Construction Products division.

You will collaborate with solution architects, data engineers, and business stakeholders, implement RESTful APIs and Azure OpenAI integrations, and ensure secure, scalable software while following Agile practices.

Qualifications

• Experience in .NET development using C#, ASP.NET Core & .NET Framework, Entity Framework, JavaScript, jQuery, HTML5, CSS3, SQL Server, and Azure DevOps.

Responsibilities

• Design, develop, and maintain .NET applications and AI-enabled capabilities, including intelligent assistants and copilots.
• Build and consume RESTful APIs and integrate with Azure AI services and enterprise platforms.
• Collaborate with solution architects, data engineers, and business stakeholders to translate requirements into scalable solutions.
• Participate in Agile development processes and ensure performance, security, and governance of applications and AI solutions.

Job description

## Software Engineer (.NET & AI)Apply: Cary, North Carolina: Full time: Posted Today: R0000396539**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.We are seeking an experienced **Software Engineer (.NET & AI)** to join our team supporting .NET & AI-powered application development initiatives for the Construction Industries - Building Construction Products division. This role will be responsible for designing, developing, and maintaining scalable .NET applications and AI-powered solutions. The engineer will collaborate with solution architects, data engineers, business analysts, and business stakeholders to deliver secure, scalable, and innovative solutions that leverage modern software engineering and artificial intelligence technologies to drive business value. **What You Will Do:*** Design, develop, and maintain .NET applications using C#, ASP.NET (.NET Framework), ASP.NET Core, JavaScript, jQuery, DevExpress, and related technologies.* Design, develop, and integrate AI-powered capabilities, including intelligent assistants, copilots, agentic workflows, and generative AI solutions, into business applications to improve productivity and decision-making.* Design the data and presentation layers of web applications and AI-enabled user experiences.* Build and consume RESTful APIs and integrate with enterprise platforms, data sources, and Azure AI services.* Collaborate with solution architects and business stakeholders to understand requirements and translate them into scalable technical solutions.* Evaluate and implement emerging AI and software technologies, frameworks, and patterns to address business challenges and improve productivity.* Ensure application performance, scalability, security, responsible AI practices, and governance through best practices and code reviews.* Participate in Agile development processes, including sprint planning, daily stand-ups, and retrospectives.* Troubleshoot and resolve application and AI solution issues across development, test, and production environments.* Maintain technical documentation and contribute to knowledge sharing across the team. **What You Have:*** Experience in .NET development using C#, ASP.NET Core & .NET Framework, Entity Framework, JavaScript, jQuery, HTML5, CSS3, SQL Server, and Azure DevOps.* Strong experience with RESTful API development and integration.* Experience developing, integrating, or supporting AI-enabled solutions using Azure OpenAI, Azure AI services, Microsoft Copilot Studio and similar technologies.* Understanding of Large Language Models (LLMs), prompt engineering, Retrieval Augmented Generation (RAG), vector search, and AI orchestration concepts.* Solid understanding of software development lifecycle (SDLC), Agile methodologies, and modern AI application development practices.* Experience with relational databases such as SQL Server and writing complex SQL queries.* Strong critical thinking skills and attention to detail.* Excellent communication and documentation skills.* Ability to work independently and collaboratively in a challenging environment.* Hands-on experience implementing Azure AD (Entra ID) authentication/authorization for web apps and APIs (OIDC/OAuth2, app registrations, scopes, roles/claims).* Familiarity with Azure Key Vault for secure management of secrets, certificates, and keys (managed identities, secret rotation, Key Vault references).* Understanding of responsible AI principles, security, governance, model evaluation, and human oversight practices. **Top Candidates Will Also Have:*** Experience developing enterprise AI assistants, copilots, agentic AI solutions, or intelligent automation workflows.* Experience with Azure OpenAI, Azure AI Foundry, Microsoft Copilot Studio, or similar AI platforms and frameworks.* Experience with CI/CD pipelines, automated testing frameworks, and AI solution deployment practices.* Experience in manufacturing, or dealer network domains.* Familiarity with Snowflake, Microsoft Fabric, and Power Platform tools (Power BI, Power Automate, Github Copilot, Copilot Studio).* Experience building solutions on Microsoft Azure cloud services. **Additional Info**:* The ideal location for this role is Cary-NC* This position may require 10% travel. **About Caterpillar –**For more than a century, Caterpillar has helped build a better, more sustainable world. With 2025 sales and revenues of $67.6 billion, Caterpillar Inc. is shaping the future as the world’s leading manufacturer of construction and mining equipment, off-highway diesel and natural gas engines, industrial gas turbines and diesel-electric locomotives. Backed by one of the largest independent global dealer networks and financing services through Cat Financial, the company’s primary business segments: Power & Energy, Construction Industries and Resource Industries are solving customers’ toughest challenges through commercial excellence and advanced technology, driven by a highly skilled, dedicated global team. Learn more at www.caterpillar.com.### ### **Summary Pay Range:**$112,710.00 - $183,140.00Compensation 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:**September 29, 2026 - October 10, 2026Any 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.