Senior Software Engineer (API Management)

Posted 17 Hours Ago
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Chicago, IL, USA
Hybrid
113K-183K Annually
Senior level
Artificial Intelligence • Cloud • Internet of Things • Software • Cybersecurity • Industrial
Cat Digital uses digital technologies to help Caterpillar Inc. customers build a better, more sustainable world.
The Role
Design, develop, and maintain API platform solutions on Apigee and GCP. Implement secure, contract-first REST/SOAP APIs, automate testing and infrastructure (Terraform), support migrations, and operate platform reliability, security, and governance.
Summary Generated by Built In
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:
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:
$112,710.00 - $183,140.00
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
Visa Sponsorship is not available for this position.
Posting Dates:
July 20, 2026 - July 27, 2026
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.

Skills Required

  • Knowledge of software integration engineering (design, develop, maintain interfaces)
  • Knowledge of software development life cycle and structured delivery methodologies
  • Knowledge of software product design and architecture
  • Knowledge of technical aspects of software products (design, configure, integrate)
  • Experience designing, modifying, developing, writing and implementing software using agile methods
  • Experience gathering client requirements and resolving workflow problems via automation/optimization
  • Experience writing source code for new applications and enhancing existing applications
  • Experience utilizing automated testing tools for testing and maintenance
  • Must be based in Chicago, IL or Peoria, IL
  • RESTful API design, OpenAPI/Swagger contract-first development (preferred)
  • API linting/governance (e.g., Spectral) and automated regression/contract testing (preferred)
  • OWASP API security awareness and gateway security (OAuth2/JWT, API keys) (preferred)
  • Experience designing/developing AI agents/copilots and AI-assisted workflows using responsible AI practices (preferred)
  • Hands-on engineering with Apigee Edge and Apigee X, including proxies, shared flows, transformations (preferred)
  • Experience leading Apigee Edge to Apigee X migrations (inventory, KVMs, certificates, migration planning) (preferred)
  • GCP networking for API platforms (VPC, subnets, DNS, firewalling, hybrid connectivity, load-balancing) (preferred)
  • GCP security: IAM/service accounts, TLS/mTLS, certificate rotation, edge protection (WAF/Cloud Armor) (preferred)
  • Platform reliability and infrastructure automation: Terraform/IaC, dashboards/alerts (SLOs/SLIs), incident response (preferred)

What the Team is Saying

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Caterpillar Compensation & Benefits Highlights

  • Healthcare Strength Health coverage spans medical, dental, vision, disability, life insurance, an Employee Assistance Program, wellness programs, and tools like healthcare shopping and second‑opinion services. Parental and adoption benefits and a medical travel reimbursement are also included within the wellbeing offering.
  • Retirement Support A 401(k) savings plan with company matching is broadly available, and some groups receive an additional age‑ or service‑based employer contribution. An employee stock purchase program offers an added pathway to build long‑term financial security.
  • Leave & Time Off Breadth Paid time off includes vacation, holidays, and volunteer time, alongside parental and adoption leave across many employee groups. These provisions create a multi‑faceted time‑off framework beyond standard vacation days.

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The Company
HQ: Irving, TX
100,000 Employees
Year Founded: 1925

What We Do

Cat Digital is the digital and technology arm of Caterpillar Inc., responsible for bringing digital capabilities to our world-famous yellow iron. With over 1.5M connected assets worldwide, our teams use data, technology, advanced analytics and AI capabilities to help our customers build a better world.

Why Work With Us

The Cat Digital team is at the forefront of Caterpillar’s evolution. We take pride in solving complex problems by building new systems from the ground up. On our team, you’ll leverage data from across our entire enterprise to find solutions that open a new world of possibilities for our customers and dealers. Join us in building a better tomorrow.

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Employees engage in a combination of remote and on-site work.

Typical time on-site: Flexible
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