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Java Cat Jobs in Illinois (NOW HIRING)

Senior Software Engineer

Peoria, IL · On-site

$120K - $158K/yr

Cat Digital is the digital and technology arm of Caterpillar Inc., leveraging the latest ... Proven experience designing scalable architecture systems for Java-based applications. * Strong ...

Lead Software Engineer

Chicago, IL · On-site

$128 - $209/hr

Join Cat Digital Platform and help build the technology that powers Caterpillar's digital future ... Lead the design and development of enterprise-scale REST APIs and microservices using Java, Spring ...

New

Senior Software Engineer

Chicago, IL · On-site

$112K - $183K/yr

Join Cat Digital Platform and help build the technology that powers Caterpillar's digital future ... Design, develop, test, and maintain backend RESTful APIs and microservices using Java, Spring Boot ...

Software Engineer

Chicago, IL · On-site

$97K - $158K/yr

Join Cat Digital Platform and help build the technology that powers Caterpillar's digital future ... Develop, test, and maintain backend RESTful APIs using Java, Spring Boot, and AWS cloud services.

Lead Software Engineer

Chicago, IL · On-site

$128K - $208K/yr

Join Cat Digital Platform and help build the technology that powers Caterpillar's digital future ... Lead the design and development of enterprise-scale REST APIs and microservices using Java, Spring ...

Java Cat information

What is a java cat?

The term 'Java Cat' most commonly refers to the wild feline species known as the Javan leopard cat (Prionailurus javanensis), native to the Indonesian island of Java. However, 'Java Cat' is not a recognized job title or professional role in the job market. If you are looking for information about careers related to cats or Java programming, you may want to clarify your search. Otherwise, 'Java Cat' could also refer to a business or café themed around cats and coffee, but it is not a standard profession.

What are the key skills and qualifications needed to thrive as a Java developer, and why are they important?

To thrive as a Java Developer, you need strong programming skills in Java, a solid understanding of object-oriented design, and typically a degree in computer science or related field. Familiarity with frameworks like Spring, build tools such as Maven or Gradle, and using version control systems like Git is essential. Problem-solving abilities, attention to detail, and effective teamwork set outstanding Java Developers apart. These skills ensure the development of robust, maintainable applications and smooth collaboration within software teams.

What is the difference between Java Cat vs Java Developer?

AspectJava CatJava Developer
Required CredentialsBasic programming knowledge, pet-related skillsBachelor's in Computer Science or related, Java certifications
Work EnvironmentPet stores, animal shelters, or online pet communitiesSoftware companies, tech firms, or freelance
Industry UsagePet industry, animal careIT, software development
Common Search IntentPet care, animal behaviorJava programming, software development

Java Cat is a role focused on pet care and animal-related activities, often in pet stores or shelters, requiring basic animal handling skills. Java Developer, on the other hand, is a software professional specializing in Java programming, working in tech environments. While both share the 'Java' name, they differ significantly in credentials, work environment, and industry focus.

What cities in Illinois are hiring for Java Cat jobs?

Cities in Illinois with the most Java Cat job openings:

Senior Software Engineer

Caterpillar

Peoria, IL • On-site

$120K - $158K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 16 days ago


Caterpillar Inc. rating

7.4

Company rating: 7.4 out of 10

Based on 480 frontline employees who took The Breakroom Quiz

287th of 490 rated machine equipment manufacturers


Job description

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.
Cat Digital is the digital and technology arm of Caterpillar Inc., leveraging the latest technologies to build industry leading digital solutions for our customers and dealers. With over 1.5 million connected assets worldwide, our teams use data, technology, advanced analytics, telematics and AI capabilities to help our customers build a better, more sustainable world.
Job Description
The Service Options team within CAT Digital is expanding to support the Speed to Quote initiative, aiming to improve how service option data is created, managed, and delivered for Caterpillar and dealers when quoting rebuilds, maintenance, and repairs. As a Senior Software Engineer on the CAT Digital - Global Services Application Team, you will help develop a centralized customer hub in partnership with the Helios Team, integrating three existing applications (Service Options Collaborator, CAT Certified Rebuild, and CAT Calculated Web) with a newly integrated single capability within the Service Information System.
What You Will Do:
  • A qualified candidate will possess the ability to work independently, design, develop, test and deploy software applications.
  • Work on functional lines with individuals assigned in new program development and/or maintenance of Cloud, server and/or distributed computing systems.
  • Will mentor junior developers provide technical assistance as needed, perform code reviews, work directly on complex applications and technical problem identification and resolution.
  • Will work on infrastructure components that may be used by one or more applications or systems and focused around delivering business value features.
  • Will create program and operations documentation in a casual, flexible environment.
  • May collaborate with business and internal customers to guide development, debugging, and testing for application software accuracy and completeness.
  • Work independently to develop new functionality and applications on cross-functional Agile project teams.
  • Perform integrated testing and customer acceptance testing of components to ensure timely, quality results.

What You Have:
  • 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 Integration Engineering: Knowledge of software integration processes and functions; ability to design, develop and maintain interfaces and linkage to alternative platforms and software packages.
  • Effective Communications: Understanding of effective communication concepts, tools and techniques; ability to effectively transmit, receive, and accurately interpret ideas, information, and needs through the application of appropriate communication behaviors.
  • Decision Making and Critical Thinking: Knowledge of the decision-making process and associated tools and techniques; ability to accurately analyze situations and reach productive decisions based on informed judgment

Consideration for Top Candidates:
  • Bachelor's degree in Computer Science, Software Engineering, Information Technology, or related field.
  • Proven experience designing scalable architecture systems for Java-based applications.
  • Strong experience in Spring Boot framework for building scalable, maintainable applications.
  • Deep expertise in object-oriented design, design patterns, and software architecture.
  • Proven experience architecting and deploying solutions on AWS or Azure cloud platforms.
  • Experience with databases (SQL) and Object-Relational Mapping (ORM) tools such as Hibernate, JPA, or Spring Data.
  • Experience with writing complex SQL queries and creating stored procedures and functions
  • Familiarity with Snowflake data warehouse technology
  • Proficiency in concurrency and multi-threading in Java, with the ability to design and implement thread-safe, high-performance applications.
  • Design, develop, and deploy robust and scalable AI and machine learning (ML) models and algorithms into production environments.
  • Strong knowledge of software integration, data exchange interfaces, and API design and creation.
  • Experience with agile development methodologies and tools.
  • Proficiency in automated testing (Playwright), CI/CD pipelines, and DevOps practices.
  • Experience in mentoring software engineering teams.

Additional Skills:
  • Experience with microservices architecture and containerization (Docker, Kubernetes).
  • Familiarity with modern front-end frameworks or mobile development is a plus, (i.e. React, Angular , etc.)
  • Certifications in AWS, Azure, or relevant cloud technologies.
  • Experience with commercial database systems and web-based software design.

Additional Information:
  • Office locations for this position are Peoria, IL, Chicago, IL, Dallas, TX or Denver, CO.
  • Relocation assistance is NOT available for this position
  • Visa sponsorship is NOT available with this position.
  • This position will require up to 10% travel
  • #LI

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:
August 12, 2026 - August 23, 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.

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