Senior Software Engineer (API Management)

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Career Area:

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:
Cat Digital is the digital and technology arm of Caterpillar Inc., responsible for bringing world class digital capabilities to our products and services. With almost one million connected assets worldwide, we're focused on using IoT and other data, technology, advanced analytics, and AI capabilities to help our customers build a better world.

This position is on the API Management team within Cat Digital. The team is responsible for the process, controls, and tools that support API development, security, publishing, consumption, monitoring and governance of APIs on Apigee platform.

What You Will Do:

• Designing, modifying, developing, writing and implementing software programming applications for target system using agile methods.
• Acquiring client requirements; resolving workflow problems through automation optimization.
• Writing source codes for new applications, and/or generating and enhancing code samples for existing applications.
• Utilizing automated testing tools to perform the testing and maintenance.

What You Will Have:

• Software Integration Engineering: Knowledge of software integration processes and functions; ability to design, develop and maintain interfaces and linkage to alternative platforms and software packages.
• Software Development Life Cycle: Knowledge of software development life cycle; ability to use a structured methodology for delivering and managing new or enhanced software products to the marketplace.
• Software Product Design/Architecture: Knowledge of software product design; ability to convert market requirements into the software product design.
• Software Product Technical Knowledge: Knowledge of technical aspects of a software products; ability to design, configure and integrate technical aspects of software products.

Top Candidates Will Have:

• Modern API and AI engineering practices: RESTful API design, OpenAPI/Swagger contract-first development, API linting/governance (e.g., Spectral), automated regression/contract testing, OWASP API security awareness, and the ability to design and develop AI agents/copilots and AI-assisted workflows using responsible AI practices.
• Hands-on engineering with Apigee Edge and Apigee X: build and operate API proxies/shared flows for REST/SOAP, including transformations and fault handling.
• Lead Edge → X migrations: inventory and dependency mapping (KVMs, target servers, certificates), risk/effort sizing, and migration wave planning.
• Gateway security and traffic management: OAuth2/JWT, API keys, rate limiting/quotas, caching, and custom logic (e.g., JavaScript callouts).
• GCP networking for API platforms: VPC/subnets, DNS, firewalling, hybrid connectivity, and load-balancing/routing patterns to Apigee X.
• Security on GCP: IAM/service accounts (least privilege), TLS/mTLS and certificate rotation, plus edge protection (e.g., WAF/Cloud Armor).
• Platform reliability and infrastructure automation: Terraform/IaC for GCP components, dashboards/alerts (SLOs/SLIs), and incident response to support stable API platform operations.

Additional Details:

• This position requires the candidate to be based in either Chicago, IL or Peoria, IL
• Relocation assistance is NOT available for this position
• Visa sponsorship is NOT available with this position.

Summary Pay Range:

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

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.

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