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Java Junior Jobs in Chicago, IL (NOW HIRING)

Mentors junior developers. Communicates with end users and internal customers to help direct ... Technical Skills Strong Java 17+. Backend development is a must. Spring Boot framework. Message ...

Junior Developer

Barrington, IL · On-site

$66K - $86K/yr

Minimum 2 to 3 years of experience in software development using Java/J2EE technologies, Spring ... As a junior developer and support engineer, this role would be primarily customer facing. The ...

Junior Algorithmic Trader

Chicago, IL · On-site

$69K - $89K/yr

As a Junior Algorithmic Trader, you will have the opportunity to experience relative value ... Proficiency and experience in object-oriented programming languages, C++, Python and/or Java ...

Junior Algorithmic Trader

Chicago, IL · On-site

$69K - $89K/yr

As a Junior Algorithmic Trader, you will have the opportunity to experience relative value ... Proficiency and experience in object-oriented programming languages, C++, Python and/or Java ...

They are seeking a Java Developer with expertise in Camunda to collaborate with global teams on ... and support junior team members in Camunda best practices and development techniques. • ...

Junior Application Security Engineer

North Chicago, IL · On-site

$56.50 - $75.50/hr

Java, Node.js) * Experience integrating security testing into CICD pipelines * Knowledge of ... Experience coaching and supporting the development of junior engineers Preferred: * Experience ...

Junior Level (5 to 7 Yrs of Java/J2ee, 3 year+ Hadoop) Mid-Level (6 to 8 years of Java/J2ee, 4 year + Hadoop) Senior Level (8+ years in Java/J2ee, 6+ year Hadoop) At least 6+ years experience in ...

Junior Software Engineer

Chicago, IL · On-site

$80K - $100K/yr

Java, C/C++, and JavaScript. Python is a plus * Hands-on practice on Java Spring Framework and Spring boot * Ability to handle high priority requests in a timely fashion * Ability to adapt to the ...

Mentor junior team members and share best practices in test automation and digital analytics testing Skills Mandatory Skills : Appium-Java -Testing

SDET Consultant

Chicago, IL · On-site

$51.50 - $66.50/hr

... in Java/Groovy-based test automation Experience & Qualifications * 5+ years of experience as an SDET in application development and release environments * Experience mentoring or coaching junior QA ...

Showing results 21-40

Java Junior information

See Chicago, IL salary details

$62.8K

$110K

$165.9K

How much do java junior jobs pay per year?

As of Sep 9, 2026, the average yearly pay for java junior in Chicago, IL is $110,045.00, according to ZipRecruiter salary data. Most workers in this role earn between $77,800.00 and $109,700.00 per year, depending on experience, location, and employer.

What is a Java Junior?

Java Junior developers are entry-level software engineers who specialize in programming using the Java language. They typically have a foundational understanding of Java syntax, object-oriented programming concepts, and basic software development practices. Java Juniors often assist with coding, debugging, and testing under the supervision of more experienced developers, while continuously learning and building their technical skills. Their responsibilities may also include maintaining existing applications and writing simple features as part of a development team.

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

To thrive as a Java Junior, you need a solid understanding of Java programming, object-oriented principles, and a relevant degree or coursework in computer science. Familiarity with development tools like Eclipse or IntelliJ IDEA, version control systems (such as Git), and basic knowledge of databases are typically expected. Strong problem-solving abilities, eagerness to learn, and good communication skills help juniors excel in collaborative and fast-paced environments. These skills enable efficient coding, effective teamwork, and smooth adaptation to evolving project requirements.

What are some typical challenges a Java Junior might face when starting out, and how can they overcome them?

As a Java Junior, you may encounter challenges like understanding complex codebases, adapting to agile development practices, and debugging unfamiliar issues. It's common to feel overwhelmed at first, but asking questions, participating in code reviews, and pairing with more experienced developers can accelerate your learning. Regularly practicing coding, studying documentation, and using collaboration tools will also help you quickly become a productive member of the team.

What is the difference between Java Junior vs Java Developer?

AspectJava JuniorJava Developer
Required Experience0-2 years2+ years
CertificationsOptional, entry-level certificationsOptional, advanced certifications
Work EnvironmentTraining, mentorship-focusedProject-driven, independent
ResponsibilitiesLearning, basic coding tasksDesign, develop, maintain Java applications

Java Junior roles are entry-level positions focused on learning and supporting Java projects, often requiring minimal experience. Java Developers have more experience, handle complex tasks, and contribute to project design and implementation. The transition from Java Junior to Java Developer involves gaining skills, experience, and certifications over time.

What are the most commonly searched types of Java jobs in Chicago, IL?

The most popular types of Java jobs in Chicago, IL are:

What job categories do people searching Java Junior jobs in Chicago, IL look for?

The top searched job categories for Java Junior jobs in Chicago, IL are:

What cities near Chicago, IL are hiring for Java Junior jobs?

Cities near Chicago, IL with the most Java Junior job openings:

Infographic showing various Java Junior job openings in Chicago, IL as of August 2026, with employment types broken down into 81% Full Time, 9% Part Time, 9% Contract, and 1% Nights. Highlights an 81% Physical, 6% Hybrid, and 13% Remote job distribution, with an average salary of $110,045 per year, or $52.9 per hour.

Lead Java Software Engineer

Chicago, IL • On-site

Mojo Trek
Recruiting and Staffing Services • 11 - 50 employees

$70 - $80/hr

Full-time

Re-posted 24 days ago


Key responsibilities

  • Lead development and support activities for complex Java applications and systems.

  • Provide technical leadership, guidance, and mentorship to team members, including junior developers.

  • Participate in application development, testing, and integration to deliver business-valued features.


Job description

Job Description About Mojo Trek Mojo Trek is a trusted custom software delivery firm. We build and modernize the revenue-generating and customer-facing systems that high-growth companies and ambitious operators depend on to grow. Woman-owned.

Inc. 5000 for four consecutive years. 100% client retention, earned not bought.

About the Role Our Client is building a world-class platform to host a wide range of applications. It's a state-of-the-art digital platform that encompasses mobile, web, cloud, and distributed computing systems. Their solutions are designed to improve productivity, profitability, and safety, and help communities and economies grow in an environmentally sustainable way.

What You'll Do Competent to perform all programming and development assignments without close supervision; normally assigned the more complex aspects of systems work. Acts as team leader for development and support groups; provides programming and application/technical leadership, guidance, and assistance to other team members. Works directly on complex application/technical problem identification and resolution, including responding to off-shift and weekend support calls.

Works independently on complex systems or infrastructure components that may be used by one or more applications or systems. Drives application development focused around delivering business valuable features. Maintains high standards of software quality within the team by establishing good practices and habits.

Identifies and encourages areas for growth and improvement within the team. Mentors junior developers. Communicates with end users and internal customers to help direct development, debugging, and testing of application software for accuracy, integrity, interoperability, and completeness.

Leads development of new functionality and applications on cross-functional teams. Performs integration testing and customer acceptance testing of components that requires careful planning and execution to ensure timely, quality results. Participates in technology evaluation and recommendations.

Applies an enterprise-wide view to solutions to support the adoption of standards and practices and promote reuse. Employee is also responsible for performing other job duties as assigned by management from time to time. What You'll Need (Required) Bachelor's degree in Computer Science, Electrical Engineering, or a related field.

Eight years or more of experience designing and developing software applications in Java, or at least five years of experience in Java with a Master's degree in Computer Science or a related field. Experience developing software applications using relational and NoSQL databases. Knowledge of application architectural patterns, such as MVC, Microservices, Event-driven, etc.

Experience designing well-defined RESTful APIs. Knowledge of datastores such as AWS Aurora, AWS RDS, AWS DynamoDB, MongoDB, ElasticSearch, Cassandra, Redis, MySQL, and Oracle. Knowledge of other AWS technologies, such as API Gateway, ALB, NLB, Fargate, Lambda, S3, CloudWatch, and KMS.

Ability to work under pressure and within time constraints. Passion for technology and an eagerness to contribute to a team-oriented environment. Technical Skills Strong Java 17+.

Backend development is a must. Spring Boot framework. Message streaming solutions, such as AWS Kinesis, AWS SQS, AWS SNS, Apache Kafka, RabbitMQ, or Apache ActiveMQ.

RESTful web services. AWS knowledge: IAM, Kinesis, DynamoDB, API stack, SQS, SNS, KMS. API tools such as Swagger, Postman, and Assertible.

Slick for SQL queries. DevOps, CI/CD, Jenkins. High availability and reliable solutions.

Some architecture experience. EEO & Accommodation Mojo Trek is an equal opportunity employer committed to building an inclusive team where everyone feels welcome. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other characteristic protected by applicable law.

Mojo Trek will also consider qualified applicants with criminal histories, consistent with applicable law. Mojo Trek is committed to providing reasonable accommodations to applicants with disabilities. If you need an accommodation during the application or interview process, please contact our Talent Acquisition team.

Disclosure Our hiring process for this role may include a video interview using an AI-based interview tool, followed by a conversation with a recruiter. If you're invited to interview, you'll receive more detail on how our AI-tool is used and will be asked to consent before your interview. Recruitment Fraud Warning Mojo Trek will never ask you to pay fees, send money, or provide sensitive personal or financial information to be considered for a job.

All official communication comes only from authorized mojotrek.com email addresses. Always verify the sender's email address and any shared URLs. Do not share personal or financial data in response to email requests and be cautious of unsolicited job offers

If you suspect recruitment fraud or receive suspicious offers, report it to Mojo Trek immediately through our official channels.