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Junior Java Software Engineer Jobs in Illinois (NOW HIRING)

Marmon

Senior Java Software Engineer

Chicago, IL · Hybrid

$128K - $169K/yr

Job Summary The Senior Java Software Engineer is responsible for designing, building, modernizing, and supporting reliable enterprise applications and integrations. This role is ideal for an ...

Marmon

Senior Java Software Engineer

Chicago, IL · Hybrid

$128K - $169K/yr

Job Summary The Senior Java Software Engineer is responsible for designing, building, modernizing, and supporting reliable enterprise applications and integrations. This role is ideal for an ...

Marmon

Senior Java Software Engineer

Chicago, IL · Hybrid

$128K - $169K/yr

Job Summary The Senior Java Software Engineer is responsible for designing, building, modernizing, and supporting reliable enterprise applications and integrations. This role is ideal for an ...

Mojo Trek

Lead Java Software Engineer

Chicago, IL · On-site

$70 - $80/hr

Mentors junior developers. Communicates with end users and internal customers to help direct ... Eight years or more of experience designing and developing software applications in Java, or at ...

BofA Securities

Java Software Engineer III

Addison, IL · On-site

$51.75 - $71.25/hr

Collaborate with cross-functional teams including product owners, QA, and DevOps Required Qualifications: * 8+ years of experience in software development * Strong hands-on experience with Java ...

New

Allstate

Lead Java Software Engineer

Chicago, IL · On-site

Experience * 5 or more years of experience (preferred) #LI-TE1 Skills J2EE Technologies, Java (Programming Language), Java Spring, Software Development, Spring Boot, Spring Framework Compensation ...

1 point system

Lead Java Software Engineer

Chicago, IL · On-site

... enterprise software as a senior or lead engineer with ownership of complex systems and ... Deep expertise in Java and Spring frameworks, including Spring Boot and Spring Cloud, for building ...

ULINE

Software Developer - Java

Glenview, IL · On-site

$90K - $128K/yr

Software Developer - Java Pay from $90,000 to $128,000 per year 2200 S. Lakeside Drive, Waukegan, IL 60085 Are you ready to design, innovate and lead in a collaborative, cutting-edge tech environment?

ULINE

Software Developer - Java

Waukegan, IL · On-site

$90K - $128K/yr

Software Developer - Java Pay from $90,000 to $128,000 per year 2200 S. Lakeside Drive, Waukegan, IL 60085 Are you ready to design, innovate and lead in a collaborative, cutting-edge tech environment?

ULINE

Software Developer - Java

Waukegan, IL · On-site

$90K - $128K/yr

Software Developer - Java Pay from $90,000 to $128,000 per year 2200 S. Lakeside Drive, Waukegan, IL 60085 Are you ready to design, innovate and lead in a collaborative, cutting-edge tech environment?

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All JobsJava Software Engineer JobsJunior Java Software Engineer JobsJunior Java Software Engineer Jobs in Illinois

Junior Java Software Engineer information

What does a junior Java software engineer do?

A Junior Java Software Engineer is typically responsible for assisting in the development, testing, and maintenance of software applications using the Java programming language. They work under the guidance of more experienced engineers to write code, fix bugs, and contribute to team projects. Junior engineers also learn best practices in software development, participate in code reviews, and continuously improve their technical skills. Their role often includes collaborating with other developers, designers, and quality assurance teams to deliver high-quality software solutions.

What kinds of projects or tasks can a junior Java software engineer expect to work on during their first year?

As a Junior Java Software Engineer, you can expect to work on tasks such as fixing bugs, writing unit tests, and developing small features under the guidance of more experienced team members. You'll likely contribute to code reviews, participate in daily stand-ups, and collaborate closely with QA engineers and front-end developers. Over time, you may gradually take on more complex assignments, such as designing modules or integrating third-party APIs. This hands-on experience helps build your technical skills and deepen your understanding of the software development lifecycle.

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

To thrive as a Junior Java Software Engineer, you need a solid understanding of Java programming, object-oriented principles, data structures, and typically a bachelor’s degree in computer science or a related field. Familiarity with version control systems like Git, build tools such as Maven or Gradle, and experience with IDEs like IntelliJ IDEA or Eclipse are common technical requirements. Strong problem-solving, eagerness to learn, and effective teamwork are standout soft skills in this role. These skills ensure you can write reliable code, collaborate efficiently, and adapt to evolving technical challenges in software development projects.

What is the difference between Junior Java Software Engineer vs Java Developer?

AspectJunior Java Software EngineerJava Developer
Required CredentialsTypically a bachelor's degree in Computer Science or related field; some certifications like Oracle Java CertificationSimilar credentials; often holds Java certifications and a degree in a related field
Work EnvironmentEntry-level position in development teams, often under supervision, focusing on coding and testingCan be entry to mid-level, involved in designing, coding, and maintaining Java applications
Employer & Industry UsageUsed across tech companies, startups, and corporate IT departmentsCommonly used in software development firms, tech companies, and enterprise environments

While both roles involve Java programming, a Junior Java Software Engineer typically focuses on learning and supporting development tasks under supervision, whereas a Java Developer may have more responsibility in designing and implementing Java applications. The roles often overlap, but the engineer role emphasizes entry-level growth, while the developer role can involve more independent work.

What are the most commonly searched types of Java Software Engineer jobs in Illinois?

The most popular types of Java Software Engineer jobs in Illinois are:

What are popular job titles related to Junior Java Software Engineer jobs in Illinois?

For Junior Java Software Engineer jobs in Illinois, the most frequently searched job titles are:

What job categories do people searching Junior Java Software Engineer jobs in Illinois look for?

The top searched job categories for Junior Java Software Engineer jobs in Illinois are:

What cities in Illinois are hiring for Junior Java Software Engineer jobs?

Cities in Illinois with the most Junior Java Software Engineer job openings:

Junior Java Software Engineer jobs near you
Infographic showing various Junior Java Software Engineer job openings in Illinois as of August 2026, with employment types broken down into 71% Full Time, 27% Part Time, and 2% Contract. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution.

Lead Java Software Engineer

3Core Systems, Inc

Chicago, IL • On-site

$150 - $200/hr

Other

Posted 3 days ago

New

Job description

Must Have Skills/Attributes : AWS, DevOps, GitHub, Java, Software Development.

Experience Desired :

  • Java development, including modern Java versions, Spring Boot, Microservices (10+ yrs).
  • AWS cloud-native applications, including ECS/Fargate, IAM, RDS, ALB, CloudWatch, and Secrets Manager (5+ yrs).
  • Technical Lead or Software Engineering Lead (5+ yrs).
  • Distributed Systems and Event-Driven microservices, including API integration, performance optimization (5+ yrs).
  • DevOps and CI/CD practices using Docker, GitHub, observability tools (3+ yrs)
  • Required Minimum Education: Bachelor's Degree.

Job Description:

Required Education/Experience:

  • Bachelor's degree in computer science or related field.

Required Qualifications:

  • 10+ years' experience in this capacity with 5+ years in a lead role.
  • Provides technical leadership and delivery ownership for a team of software engineers building and operating scalable cloud-native applications on AWS.
  • Drives architecture decisions, engineering best practices, and solution design across Spring Boot microservices, OpenSearch platforms, CI/CD, observability and AWS infrastructure.
  • Collaborates with product, architecture, and platform teams to deliver secure, resilient, and high-performing solutions while mentoring engineers, improving development processes, and ensuring successful execution of business objectives.

Required Technical Skills:

  • Spring Boot
  • Java (latest versions)
  • AWS Cloud Services (ECS/Fargate, IAM, ALB, RDS, CloudWatch, Secrets Manager)
  • OpenSearch / Elasticsearch
  • Observability & Monitoring

Responsibilities:

  • Leads software engineers in delivering business-critical applications.
  • Establishes technical direction and architectural standards.
  • Drives AWS cloud adoption and modernization initiatives.
  • Ensures solution scalability, performance, security, and reliability.
  • Promotes DevOps, CI/CD, automation, and AI-assisted development practices.
  • Supports incident resolution, operational excellence, and continuous improvement.
Skill set

Java, AWS, DevOps, GitHub, Technical Lead .

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