ZipRecruiter

Log In

1

Core Jobs in Illinois (NOW HIRING)

Sonsoft Inc

Core Java Developer

Chicago, IL · On-site

Preferred At least 4 years of experience working on Core Java/Spring . Atleast 4 years of experience with TDD based development and re-engineering of existing application to incorporate unit tests ...

Sonsoft Inc

Core Java Developer

Chicago, IL · On-site

Preferred At least 4 years of experience working on Core Java/Spring . Atleast 4 years of experience with TDD based development and re-engineering of existing application to incorporate unit tests ...

Four Seasons Hotels Limited

Core Manager

Chicago, IL · On-site

$70K - $80K/yr

The Core Team is responsible for: selling the hotel and providing information to prospective guests, capturing sales from the incoming calls and coordinating details of reservations for all Hotel ...

Rush Enterprises

Warranty Core Clerk

Chicago, IL · On-site

$18/hr

Warranty Core Clerk The Warranty Core Clerk prepares, ships, and processes core returns for the Parts Department. Rush Truck Centers opens the door to the world of opportunity. We are the largest ...

Rush Enterprises

Warranty Core Clerk

Chicago, IL

$18 - $20/hr

Responsibilities The Warranty Core Clerk prepares, ships, and processes core returns for the Parts Department. Rush Truck Centers opens the door to the world of opportunity. We are the largest ...

Rush

Warranty Core Clerk

Chicago, IL · On-site

$18/hr

The Warranty Core Clerk prepares, ships, and processes core returns for the Parts Department. Rush Truck Centers opens the door to the world of opportunity. We are the largest network of commercial ...

Rush Enterprises

Warranty Core Clerk

Chicago, IL · On-site

$18 - $20/hr

The Warranty Core Clerk prepares, ships, and processes core returns for the Parts Department. Rush Truck Centers opens the door to the world of opportunity. We are the largest network of commercial ...

Rush Enterprises

Warranty Core Clerk

Chicago, IL · On-site

$20/hr

The Warranty Core Clerk prepares, ships, and processes core returns for the Parts Department. Rush Truck Centers opens the door to the world of opportunity. We are the largest network of commercial ...

Judge Group, Inc.

Core Java - Intermediate

Chicago, IL · On-site

$60 - $61/hr

Our client is currently seeking a Core Java - Intermediate Must have skills Java/springboot AWS past data experience - spark language NICE to have skills kubernetes CICD pipeline python Additional ...

next page

Showing results 1-20

All JobsCore JobsCore Jobs in Illinois

Core information

See Illinois salary details

$5

$20

How much do core jobs pay per hour?

As of Aug 8, 2026, the average hourly pay for core in Illinois is $19.57, according to ZipRecruiter salary data. Most workers in this role earn between $19.57 and $19.57 per hour, depending on experience, location, and employer.

What is a core?

Core jobs typically refer to essential roles within an organization that are fundamental to its main business operations or mission. These positions are critical for the company’s success and usually have a direct impact on productivity, revenue, or service delivery. The exact definition of 'core jobs' can vary depending on the industry and the specific business, but they often include positions in areas such as operations, product development, or customer service. Identifying core jobs helps organizations prioritize resources and make strategic decisions about hiring and workforce development.

What are some common challenges faced by professionals working in core engineering roles, and how can they be addressed?

Professionals in core engineering roles often face challenges such as adapting to rapidly evolving technology, maintaining rigorous quality standards, and troubleshooting complex technical issues. Collaboration with cross-functional teams, continuous learning, and strong problem-solving skills are essential for addressing these challenges. Many organizations support ongoing training and knowledge-sharing sessions to help engineers stay updated and effectively collaborate with colleagues in related domains.

What are the key skills and qualifications needed to thrive as a core engineer?

To thrive as a Core Engineer, you need strong proficiency in computer science fundamentals, programming (such as C/C++ or Java), and a relevant engineering degree. Familiarity with version control systems, debugging tools, and experience with operating systems or low-level system development is typically required. Analytical thinking, problem-solving, and effective teamwork are essential soft skills for excelling in complex technical environments. These capabilities ensure the development of robust, efficient core systems that form the backbone of technology products.

What is the difference between Core vs Software Developer?

AspectCoreSoftware Developer
Required CredentialsHigh school diploma or equivalent, technical trainingBachelor's degree in Computer Science or related field
Work EnvironmentManufacturing, hardware, or technical settingsOffice, tech companies, software firms
Industry UsageEngineering, manufacturing, technical servicesIT, software development, technology sectors
Common Search/ComparisonCore roles in technical fieldsSoftware development roles

Core professionals typically focus on technical, manufacturing, or hardware-related tasks, often requiring technical training or certifications. Software Developers, on the other hand, create and maintain software applications, usually holding degrees in computer science. While both roles are technical, Core roles are more hardware or process-oriented, whereas Software Developers are software-focused. Understanding these differences helps job seekers find the right career path in their industry.

What are the most commonly searched types of Core jobs in Illinois? The most popular types of Core jobs in Illinois are:
What are popular job titles related to Core jobs in Illinois? For Core jobs in Illinois, the most frequently searched job titles are:
What job categories do people searching Core jobs in Illinois look for? The top searched job categories for Core jobs in Illinois are:
What cities in Illinois are hiring for Core jobs? Cities in Illinois with the most Core job openings:
Core jobs near you
Infographic showing various Core job openings in Illinois as of August 2026, with employment types broken down into 1% As Needed, 81% Full Time, 15% Part Time, and 3% Contract. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution, with an average salary of $40,699 per year, or $19.6 per hour.

Core Java Developer

Sonsoft Inc

Chicago, IL • On-site

Full-time

Re-posted 2 days ago

Job description

Company Description

Sonsoft , Inc. is a USA based corporation duly organized under the laws of the Commonwealth of Georgia. Sonsoft Inc. is growing at a steady pace specializing in the fields of Software Development, Software Consultancy and Information Technology Enabled Services.

Job Description

Preferred
At least 4 years of experience working on Core Java/Spring.
Atleast 4 years of experience with TDD based development and re-engineering of existing application to incorporate unit tests and functional tests.
Atleast 4 years of experience with Unix/python/perl scripting.
Knowledge of any batch scheduler (Autosys, Control+M etc).
Atleast 2 years of experience working on database to define queries and stored procedures (oracle).
Ability to support multiple applications when escalated for development team investigation.
In depth knowledge on various open source libraries needed for a standard integration project.
Atleast 1 year of experience working with test driven development.
Ability to break up complex design into phased approaches
Conduct peer code review and design review
At least 3 years of experience in Project life cycle activities on development and maintenance projects.
At least 3 years of experience in Design and architecture review.
At least 3 years of experience in software development life cycle.
Ability to work in team in diverse/ multiple stakeholder environment
Experience in Investment banking (basic knowledge is a must to understand the requirement)
Analytical skills
Experience and desire to work in a Global delivery environment

Qualifications

Qualifications
Basic
Bachelor's degree or foreign equivalent required from an accredited institution. Will also consider three years of progressive experience in the specialty in lieu of every year of education.
At least 4 years of experience with Information Technology.

Additional Information

** U.S. citizens and those authorized to work in the U.S. are encouraged to apply. We are unable to sponsor at this time.

Note:-

  1. This is a Full-Time Permanent job opportunity for you.
  2. Only US Citizen, Green Card Holder, TN Visa, GC-EAD, H4-EAD & L2-EAD can apply.
  3. No OPT-EAD & H1B Consultants please.
  4. Please mention your Visa Status in your email or resume.
Sonsoft logo

About Sonsoft

Sourced by ZipRecruiter

Sonsoft , Inc. is a USA based corporation duly organized under the laws of the Commonwealth of Georgia. Sonsoft Inc. is growing at a steady pace specializing in the fields of Software Development, Software Consultancy and Information Technology Enabled Services.

Industry

It services

Company size

51 - 200 Employees

Headquarters location

Alpharetta, GA, US

Year founded

2007

View All Sonsoft Jobs

Apply