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Opt Java Developer Jobs in Illinois (NOW HIRING)

Judge Group, Inc.

Core Java - Intermediate

Chicago, IL · On-site

$60 - $61/hr

Java script; Core Java Looking for curious, aws certified, Java,ETL engineer. Description Job ... Reply STOP to opt out of receiving telephone calls and text messages from Judge and HELP for help.

Sonsoft Inc

Java Developer with AngularJS,

Moline, IL · On-site

$46 - $59.50/hr

At least 2 years of experience in Java/J2EE, Spring MVC, JQuery/HTML5/CSS3 * Solid understanding of ... No OPT-EAD, H1B & TN candidates please. Please mention your Visa Status in your email or resume

Sonsoft Inc

Java Developer with AngularJS,

Moline, IL

$46 - $59.50/hr

At least 2 years of experience in Java/J2EE, Spring MVC, JQuery/HTML5/CSS3 * Solid understanding of ... No OPT-EAD, H1B & TN candidates please. Please mention your Visa Status in your email or resume

Sonsoft Inc

Java Ui Developer( Angular Js)

Northbrook, IL · On-site

$51.75 - $67/hr

... programming and test driven development. At least 6 years of experience in Java, JEE skills At ... OPT-EAD, H1B & TN candidates please. 4. Please mention your Visa Status in your email or resume.

Sonsoft Inc

Java Ui Developer( Angular Js)

Northbrook, IL

$51.75 - $67/hr

... programming and test driven development. At least 6 years of experience in Java, JEE skills At ... OPT-EAD, H1B & TN candidates please. 4. Please mention your Visa Status in your email or resume.

Sonsoft Inc

java API Developer (GC--USC)

Chicago, IL · On-site

$52.50 - $68/hr

At least 7years of experience in Java J2EE technologies Skills At least 4 years of experience in ... No OPT-EAD & H1B Consultants please. * Please mention your Visa Status in your email or resume

Sonsoft Inc

Java Developer with Angular

Moline, IL

$46 - $59.50/hr

Excellent in Java/J2EE, Spring MVC, JQuery/HTML5/CSS3 Solid understanding of UI frameworks like ... No OPT-EAD & H1-B for this position. * Please mention your Visa Status in your email or resume

Sonsoft Inc

Java developer with Angular

Chicago, IL · On-site

$52.50 - $68/hr

At least 2 years of hands-on experience in AngularJs (with Java) single page application ... No OPT-EAD & H1-B for this position. * Please mention your Visa Status in your email or resume

Sonsoft Inc

Java developer with ( Apache Camel)

Chicago, IL · On-site

$52.50 - $68/hr

Preferred At least 2 years of Core Java/Spring experience Expert knowledge and strong hands on ... No OPT-EAD and H1B for this position. * Please mention your email id in your emai l or resume

Sonsoft Inc

Java Developer with web services

Bloomington, IL · On-site

$49 - $63.25/hr

... Java, J2EE applications At least 7 years experience in Websphere (WAS) configuration commands ... No OPT-EAD & H1B Consultants please. * Please mention your Visa Status in your email or resume

Sonsoft Inc

Java Full Stack Developer

Northbrook, IL · On-site

$53.25 - $68.75/hr

Java Full Stack Developer (with experience on Agile XP, UI- Angular.JS or React.JS, IntelliJ -IDE ... H1B, OPT-EAD & TN candidates please Required: At least 4 years technology development and ...

Sonsoft Inc

Java Developer (Apache Camel)

Chicago, IL · On-site

$52.50 - $68/hr

Preferred At least 2 years of Core Java/Spring experience Expert knowledge and strong hands on ... No OPT-EAD & H1B Consultants please. * Please mention your Visa Status in your email or resume

Sonsoft Inc

Java Developer (Apache Camel)

Chicago, IL · On-site

$52.50 - $68/hr

Preferred At least 2 years of Core Java/Spring experience Expert knowledge and strong hands on ... No OPT-EAD & H1B Consultants please. * Please mention your Visa Status in your email or resume

Sonsoft Inc

Java Ui Frontend Developer

Northbrook, IL · On-site

... programming and test driven development. At least 6 years of experience in Java, JEE skills At ... OPT-EAD, H1B & TN candidates please. 4. Please mention your Visa Status in your email or resume.

Sonsoft Inc

Java Ui Frontend Developer

Northbrook, IL · On-site

... programming and test driven development. At least 6 years of experience in Java, JEE skills At ... OPT-EAD, H1B & TN candidates please. 4. Please mention your Visa Status in your email or resume.

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Showing results 21-40

All JobsOpt Java Developer JobsOpt Java Developer Jobs in Illinois

Opt Java Developer information

What is an Opt Java Developer?

OPT Java Developers are recent graduates, typically international students in the United States, who work as Java Developers while on Optional Practical Training (OPT) status. They have recently completed a degree in a related field and are authorized to gain hands-on experience in their area of study. OPT Java Developers are proficient in Java programming and use their skills to develop software applications, maintain code, and contribute to technology projects. Employers often hire OPT Java Developers to fill entry-level roles and benefit from their up-to-date knowledge of programming technologies.

What skills and qualifications are needed to thrive as an Opt Java Developer?

To thrive as an Opt Java Developer, you need a solid understanding of Java programming, object-oriented design principles, and a bachelor’s degree in computer science or a related field. Familiarity with frameworks like Spring, Hibernate, and version control systems such as Git, along with knowledge of databases and build tools like Maven or Gradle, is typically required. Strong problem-solving skills, effective communication, and the ability to work collaboratively in agile teams set top candidates apart. These skills and qualifications are crucial for delivering robust, scalable applications and ensuring seamless integration within dynamic development environments.

What are common challenges Opt Java Developers face when working on optimization projects, and how can they overcome them?

Opt Java Developers often encounter challenges such as optimizing code for performance while maintaining readability and scalability. Balancing system resource usage with application responsiveness can be complex, especially when dealing with large datasets or high-throughput systems. To overcome these obstacles, developers should leverage profiling tools to identify bottlenecks, collaborate closely with QA and DevOps teams for efficient testing and deployment, and stay updated on the latest Java performance best practices. Regular code reviews and knowledge sharing within the team also help in collectively tackling optimization issues.

What is the difference between Opt Java Developer vs Java Developer?

AspectOpt Java DeveloperJava Developer
Required CredentialsBachelor's in CS or related, Java certifications often preferredBachelor's in CS or related, Java certifications often preferred
Work EnvironmentSoftware development teams, IT companies, tech startupsSoftware development teams, IT companies, tech startups
Employer & Industry UsageUsed across various industries including finance, healthcare, and techCommonly employed in similar industries, often with more senior roles
Search & Comparison IntentPeople comparing entry to mid-level Java rolesPeople exploring Java development careers or job opportunities

The Opt Java Developer and Java Developer roles share similar credentials, work environments, and industry usage. The main difference often lies in specific project focus or company terminology, but both roles are fundamental in software development teams working with Java technologies.

What are popular job titles related to Opt Java Developer jobs in Illinois?

For Opt Java Developer jobs in Illinois, the most frequently searched job titles are:

What job categories do people searching Opt Java Developer jobs in Illinois look for?

The top searched job categories for Opt Java Developer jobs in Illinois are:

What cities in Illinois are hiring for Opt Java Developer jobs?

Cities in Illinois with the most Opt Java Developer job openings:

Opt Java Developer jobs near you
Infographic showing various Opt Java Developer job openings in Illinois as of August 2026, with employment types broken down into 85% Full Time, 2% Part Time, and 13% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution.

Core Java - Intermediate

Judge Group, Inc.

Chicago, IL • On-site

$60 - $61/hr

Other

Re-posted 19 days ago

Job description

Location: Chicago, IL Salary: $60.00 USD Hourly - $61.00 USD Hourly Description: 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 Skills - aws managed services like glue etl, step functions, glue crawlers, kubernetes, containerization, CICD; ETL tools; Java; Java script; Core Java
Looking for curious, aws certified, Java,ETL engineer.
Description
Job responsibilities
Develop and maintain applications using Apache Spark and Java
Work with different aspects of spark echo system including Datasets, Spark SQL and Scalability support
Work with business analysts and lead engineers to understand requirements and designs for implementing software solutions
Work on performance improvement activities to support spark applications to process millions of data elements everyday
Production support and troubleshooting activities to uncover the issues in the spark applications
Contributes to software engineering communities of practice and events that explore new and emerging technologies
Adds to team culture of diversity, equity, inclusion, and respect
Required qualifications, capabilities, and skills
Formal training or certification on software engineering concepts and 3+ years applied experience
Work experience on Data Engineering domain
Hands-on practical experience in system design (simple), application development, testing, and operational stability
Proficient in coding in one or more languages including Java
Experience in developing, debugging, and maintaining code in a corporate environment with Java, Spark Framework and Database querying languages (any SQL usage experience)
Overall knowledge of the Software Development Life Cycle
Experience working in an Agile Software Development Environment
Preferred qualifications, capabilities, and skills
Exposure to cloud technologies such as AWS, Kubernetes and Kafka
By providing your phone number, you consent to: (1) receive automated text messages and calls from the Judge Group, Inc. and its affiliates (collectively "Judge") to such phone number regarding job opportunities, your job application, and for other related purposes. Message & data rates apply and message frequency may vary. Consistent with Judge's Privacy Policy, information obtained from your consent will not be shared with third parties for marketing/promotional purposes. Reply STOP to opt out of receiving telephone calls and text messages from Judge and HELP for help.
Contact:
This job and many more are available through The Judge Group. Please apply with us today!

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