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Senior Java Engineer Jobs in Illinois (NOW HIRING)

Senior Java Developer Location: Chicago, IL Position Type: Contract Duration: 6 Months+ Looking for a Sr. Developer with min. 8 yrs. of experience in following technologies - JavaScript, CSS/SCSS ...

Java Developer

Chicago, IL · On-site

$86.13K - $127.19K/yr

We are seeking a highly skilled Senior Java Full Stack Engineer to design, develop, and maintain scalable, high-performance applications. The ideal candidate will have strong experience in Java-based ...

Java Developer

Chicago, IL

$86.13K - $127.19K/yr

We are seeking a highly skilled Senior Java Full Stack Engineer to design, develop, and maintain scalable, high-performance applications. The ideal candidate will have strong experience in Java-based ...

Senior Java Full stack Developer

Chicago, IL · On-site

$59 - $75.25/hr

Senior Java Full stack Developer Job Location: Chicago, IL Job Type: Contract * Design, develop ... You are a full stack software engineer, with 2-3 years of experience in engineering and development ...

Java Full Stack Developer

Chicago, IL · On-site

$54 - $69.75/hr

Senior Java Full Stack Developer Chicago Illinois 60603 (Hybrid role) W2 Candidates only Notes: Java/Spring/Microservices/React/AWS - These are MUST have's with minimum 10+ years of experience

... currently seeking a Sr. Java Architect with strong multithreading and Java Collections API ... engineering process either individually or in concert with project team * Experience using a ...

Senior Java Developer

Chicago, IL · On-site

$59 - $75.25/hr

... programming experience preferably in fast-paced dynamic environment Strong application design and implementation skills, solid understanding of entire development cycle. Strong background in Java ...

Senior Java Developer

Naperville, IL · On-site

$57.25 - $73/hr

Experience Required: 8 Years Must Java Integration Experience & Screen Configuration Previous ... and Software Engineering Process, Test Plans, Test cases, Test Scenarios, and Documentation ...

... Java, J2EE and web/internet based programming experience (both client and server side) 5+ Experience with OOA/OOD, distributed systems/software, real time processing, relational database systems ...

Sr. Java Developer

Chicago, IL · On-site

$59 - $75.25/hr

Proven track record; self-starter with strong programming skills * Should have led projects from ... Java Exception Handling * Java Annotations * Maven * Strong understanding of HTTP Protocols ...

senior java developer

Springfield, IL

$56.75 - $72.25/hr

Competence in using Java IDE tools of Eclipse, GGTS, Rational Application Developer (RAD), WebSphere Application Developer (WSAD) and Web Logic Workshop to develop dynamic web applications. Good ...

Java Full Stack/React Developer

Chicago, IL · On-site

$54 - $69.75/hr

Senior Java Developer:- Location:- Chicago IL Interview:- Face to Face Interview in Chicago IL ( Candidate has to come for F2F Interview on his own expenses) Rate/hr:- market rate ( No OPT Candidates ...

Sr Java Developer PCF

Chicago, IL · On-site

$59 - $75.25/hr

Design, develop, and maintain scalable Java-based applications * Build and deploy microservices using Spring Boot and PCF * Improve overall engineering quality through best practices, code reviews ...

Senior Java Software Engineer

Chicago, IL

$128.80K - $169.50K/yr

The Role The Senior Software Engineer on the team will be responsible for executing the design and ... Strong understanding of Java best practices, system scalability, and performance tuning. * Ability ...

Senior Java Developer

Glenview, IL

$56.50 - $72/hr

Qualifications 10+ years experience in an application development using Java, Javascript, HTML and CSS Current experience with Java frameworks (Spring 3.x, JSF 2.x, Hibernate 3.x, JMS, JUnit 4.x ...

Sr Java Developer

Bloomington, IL

$55 - $70/hr

Preferred At least 7 years of experience in technology consulting, enterprise and solutions architecture and architectural frameworks At least 7 years experience of Core Java, J2EE applications At ...

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Senior Java Engineer information

See Illinois salary details

$10

$60

$83

How much do senior java engineer jobs pay per hour?

As of May 29, 2026, the average hourly pay for senior java engineer in Illinois is $60.88, according to ZipRecruiter salary data. Most workers in this role earn between $53.37 and $68.03 per hour, depending on experience, location, and employer.

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

To thrive as a Senior Java Engineer, you need advanced proficiency in Java programming, strong knowledge of software design patterns, and a degree in computer science or related field. Experience with frameworks like Spring, Hibernate, build tools such as Maven or Gradle, and familiarity with cloud platforms and CI/CD systems are typically required. Excellent problem-solving abilities, leadership, and effective communication help you guide teams and collaborate with stakeholders. These skills are crucial for delivering robust, scalable software solutions and mentoring junior engineers in complex development environments.

What are some common challenges Senior Java Engineers face when working on large-scale enterprise applications?

Senior Java Engineers often encounter challenges such as managing complex codebases, ensuring application scalability, and maintaining high performance under heavy loads. They are also responsible for implementing robust security practices and integrating new technologies without disrupting existing systems. Effective collaboration with cross-functional teams and mentoring junior developers are crucial aspects of the role, as these responsibilities help maintain code quality and project momentum.

What are Senior Java Engineers?

Senior Java Engineers are experienced software developers who specialize in designing, developing, and maintaining applications using the Java programming language. They often lead development teams, architect solutions, and ensure that software meets both technical and business requirements. Their responsibilities also include code reviews, mentoring junior developers, and optimizing application performance. Typically, they have several years of experience and a deep understanding of Java frameworks and best practices.

What is the difference between Senior Java Engineer vs Java Developer?

AspectSenior Java EngineerJava Developer
Required CredentialsBachelor's in Computer Science, Java certifications (e.g., Oracle Certified Professional)Bachelor's in Computer Science or related field, Java certifications optional
Work EnvironmentDesigning, developing, and maintaining complex Java applications, often in team leadership rolesDeveloping Java applications, focusing on coding and implementation
Industry UsageUsed across finance, tech, and enterprise sectors for large-scale projectsCommonly employed in software development firms, startups, and tech companies

While both roles involve Java programming, Senior Java Engineers typically handle complex system design, mentorship, and project leadership, whereas Java Developers focus more on coding and implementing features. The senior role often requires more experience and certifications, with a broader scope of responsibilities.

What are the most commonly searched types of Java Engineer jobs in Illinois? The most popular types of Java Engineer jobs in Illinois are:
What cities in Illinois are hiring for Senior Java Engineer jobs? Cities in Illinois with the most Senior Java Engineer job openings:
What are popular job titles related to Senior Java Engineer jobs in IL? For Senior Java Engineer jobs in IL, the most frequently searched job titles are:
Infographic showing various Senior Java Engineer job openings in Illinois as of May 2026, with employment types broken down into 3% As Needed, 67% Full Time, 20% Part Time, 3% Temporary, and 7% Contract. Highlights an 80% Physical, and 20% Remote job distribution, with an average salary of $126,634 per year, or $60.9 per hour.
Java Multiple roles

Java Multiple roles

Tachyon Technologies

Chicago, IL

$75 - $85/hr

Contractor

Life, PTO

Posted 25 days ago


Job description

About Tachyon Technologies: Tachyon Technologies is a Digital Transformation consulting firm that partners with businesses to implement customer-focused business transformation. Aligned with SAP's digital core, Tachyon Technologies collaborates with its clients to transform their business by leveraging existing IT investments and leading-edge digital solutions to positively impact their customers' experience. From initiation through realization, Tachyon Technologies understands what it takes for a consulting partner to be effective and strives to deliver a meaningful solution that exceeds its clients' expectations.

Job Title: Senior Java Developer
Location: Chicago, IL
Position Type: Contract
Duration: 6 Months+Â
Job Description: Looking for a Sr. Developer with min. 8 yrs. of experience in following technologies - JavaScript, CSS/SCSS, Bootstrap, AngularJS, jQuery, Spring MVC, Spring Security, SQL, Hibernate. Java certification is highly desired.
The Senior Software Developer reports to the Application Development Manager. The Senior Software Developer's role is to design, code, test, and analyze software programs and applications. This includes researching, designing, documenting, and modifying software specifications throughout the production lifecycle. The software developer will also analyze and amend software errors in a timely and accurate fashion and provide status reports where required.
The position responsibilities outlined below are in no way to be construed as all encompassing. Other duties, responsibilities, and qualifications may be required and/or assigned as necessary.
POSITION RESPONSIBILITIES:
â Work with business end users to determine requirements and propose approaches to address users' needs.
â Analyze requirements to determine approach/proposed solution. Design and Build Solutions using relevant programming languages.
â Thoroughly test solutions using relevant approaches and tools.
â Work in team environment to deliver business solutions.
â Problem solve to address development and production issues.
EXPERIENCE AND QUALIFICATIONS:
â 8+ years' experience working as an application designer and software developer working with enterprise applications.
â Hands-on software troubleshooting experience.
â Experience with specific phases of the software development life cycle including requirements gathering, requirements analysis, design, development, and test.
â Technically proficient.
â Flexible and adaptable in regards to learning and understanding new technologies.
â Ability to conduct research into software-related issues and products.
â Highly self-motivated and directed.
â Proven analytical and problem-solving abilities.
â Ability to effectively prioritize and execute tasks in a high-pressure environment.
â Ability to work both independently and in a team-oriented, collaborative environment.
â Technically fluent in programming languages, including C, Java.
â Knowledge of database design and file management techniques.
â Knowledge of Service Oriented Architectures.
â Knowledge of Web based Architectures
EDUCATION:
College diploma or university degree in the field of computer science or software engineering, and/or 8+ years equivalent work experience.


Job Title: Java Developer
Duration: 3-6Months Contract
Location: Hoffman Estates, IL

Key Focus â Java 8, Spring Framework, Spring Boot, Hibernate and Web Services / Microservices.Â

Job Title: Java API Developer
Duration: Long term
Location: Minneapolis, MN

Required Skills: â Passionate Java developer with 6+ years of software application development experience.
â Experience with full project life cycle, requirement analysis, design, development, test and support.
â Good understanding of API and Integration concepts and technologies, such as REST, SOAP, JSON, XML, message queues, and Integration Pattern / frameworksÂ
â Good knowledge and experience with databases (relational and/or NoSQL).
â Experience in any continuous integration and continuous delivery tools ( eg: git hub, Jenkins, bamboo , gradle/maven , artifactory)Â
â Experience with Agile task management tools (e.g. JIRA, Rally, VersionOne)
â Good understanding /knowledge of the linux/unix commands.
â Familiarity with any java containers and logging / monitoring solutions.Â
â Experience in triaging, troubleshooting, and problem solving skills.
â Ability to communicate effectively via multiple channels (verbal, written, etc.) with technical and non-technical staff.
â Client facing or consulting experience highly preferred.
â Knowledge and experience in developing software using agile methodologies
â Must have: Experience with integration patterns , Apache camel and Spring bootÂ
â Good to have : Any experience with open source integration toolsÂ
â Bachelor's Degree in MIS, Computer Science, Math, Engineering or comparable major


Job Title: Java Developer w/e-commerce
Duration: Long term
Location: Dublin, OH

Required Skills:
1. Good business understanding of commerce platform â Order processing, pricing, inventory, product search, commerce reporting, customer user experience etc.
2. Good technical knowledge of building SOAP/REST API's using technologies like .NET, Java, XML, JSON.
3. Good experience in quickly understanding the problem and driving the resolutions independently.
4. Good communication and leadership skills.

Tachyon's full-time employees receive complete and competitive benefits. We offer a collaborative work environment, competitive compensation, generous work/life opportunities, and an outstanding benefits package that includes paid time off plus holidays. In addition, all colleagues are eligible for a number of rewards and recognition programs. Encouraging a healthy work/life balance and providing our colleagues great benefits are just part of what makes Tachyon a great place to work.

Disclaimer: The above statements are not intended to be a complete statement of job content, rather act as a guide to the essential functions performed by the employee assigned to this classification. Management retains the discretion to add or change the duties of the position at any time.