Software Engineer (API Management)

Caterpillar Inc.

Peoria (IL)

On-site

USD 89,000 - 145,000

Full time

5 days ago

Be an early applicant

Application generator

An application made for this job — a tailored resume and cover letter that speak straight to the posting.

Get past ATS filters

Benefits offered by this job

Medical benefits

Paid time off

401(k) savings plan

Tuition reimbursement

Job summary

Caterpillar's Cat Digital API Management team is seeking a software professional to design and operate API proxies on Apigee X, delivering REST/SOAP integrations across enterprise systems.

You will apply modern API engineering practices, ensure security with OAuth2/JWT, and advance platform reliability using Terraform and GCP in a Chicago or Peoria base environment.

Qualifications

Experience designing and developing API integrations and architectures.
Hands-on with Apigee Edge/X, including proxies and governance.
Knowledge of API security, OAuth2/JWT, rate limiting and monitoring.

Responsibilities

Design, modify, develop and implement software applications using agile methods.
Acquire client requirements and automate workflow optimization.
Write source code for new applications and enhance code samples for existing apps.
Use automated testing tools for testing and maintenance.

Skills

Modern API engineering

API security

AI engineering practices

OpenAPI/Swagger

GCP networking

Terraform/IaC

Apigee Edge

Apigee X

OAuth2/JWT

Cloud Armor

Tools

Apigee Edge

Apigee X

OpenAPI/Swagger

Spectral

OAuth2/JWT

Cloud Armor

Terraform

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.

Career Area

Technology, Digital and Data

Job Description

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

$89,210.00 - $144,960.00

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.