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Junior Software Developer Java Jobs in Illinois (NOW HIRING)

ECS

Junior Software Developer, Applications

O Fallon, IL · On-site

$62K - $81K/yr

Everforth ECS Federal is looking for a Junior software developer that develops, creates, and ... Basic Knowledge of Java, HTML5 technologies, Spring, RHEL, SQL, JavaScript, XML, Agile ...

MSF&W Consulting

Junior Software Developer

Springfield, IL · Hybrid

$70K - $85K/yr

We are seeking Junior Software Developers to join our team in Springfield, Illinois. MSF&W offers challenging assignments on both in-house and client-site projects. We provide competitive salaries ...

Collabera

Software Developer/ Java Developer

Lisle, IL

$50.25 - $65/hr

Software Developer Location: Lisle, IL 60532 Responsibilities: Design, develop, and deploy Java/J2EE applications and modules Participate in system design and regular code review Design, develop, and ...

Valkyrie Trading

Junior Software Engineer

Chicago, IL

$140K/yr

Junior Software Engineer As a Junior Software Engineer, you will join our interdisciplinary team to conceptualize and author the technologies that power our trading activities in financial markets.

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All JobsSoftware Developer Java JobsJunior Software Developer Java JobsJunior Software Developer Java Jobs in Illinois

Junior Software Developer Java information

See Illinois salary details

$52.1K

$86.3K

$108.7K

How much do junior software developer java jobs pay per year?

As of Jun 8, 2026, the average yearly pay for junior software developer java in Illinois is $86,280.00, according to ZipRecruiter salary data. Most workers in this role earn between $73,800.00 and $97,900.00 per year, depending on experience, location, and employer.

What are some common challenges faced by Junior Software Developers working with Java, and how can they overcome them?

Junior Software Developers working with Java often encounter challenges such as understanding complex codebases, managing version control with tools like Git, and applying best practices for clean and efficient code. To overcome these obstacles, it's helpful to actively participate in code reviews, seek guidance from senior developers, and make use of online resources and documentation. Joining stand-up meetings and collaborating closely with teammates can also accelerate learning and help new developers adapt to the team's workflow.

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

To thrive as a Junior Software Developer (Java), you need a solid understanding of Java programming, algorithms, and object-oriented principles, often supported by a degree in computer science or related field. Familiarity with development tools like Eclipse or IntelliJ IDEA, version control systems such as Git, and knowledge of build tools like Maven or Gradle is often required. Strong problem-solving abilities, willingness to learn, and effective communication skills help junior developers collaborate and adapt quickly. These skills are crucial for building reliable software, integrating smoothly into development teams, and growing within the role.

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

AspectJunior Software Developer JavaJunior Software Developer Python
Required CredentialsBachelor's in CS or related field, Java certifications (optional)Bachelor's in CS or related field, Python certifications (optional)
Work EnvironmentEnterprise applications, backend development, large-scale systemsData analysis, scripting, web development, AI/ML projects
Employer & Industry UsageFinancial services, enterprise software, telecomTech startups, data science firms, research institutions
Common Search & ComparisonYesYes

Both roles typically require a bachelor's degree in computer science or related fields. Java developers often work on enterprise-level applications in industries like finance and telecom, while Python developers focus on data analysis, scripting, and AI projects in startups and research. The choice depends on your career interests and industry focus.

What does a Junior Software Developer Java do?

A Junior Software Developer Java is an entry-level programmer who specializes in building, testing, and maintaining software applications using the Java programming language. They typically work under the supervision of senior developers and contribute to coding, debugging, and documentation. Their responsibilities often include fixing bugs, writing unit tests, and collaborating with team members to deliver functional software solutions. This role is ideal for individuals who have a basic understanding of Java and are eager to gain professional experience in software development.
What are popular job titles related to Junior Software Developer Java jobs in Illinois? For Junior Software Developer Java jobs in Illinois, the most frequently searched job titles are:
What job categories do people searching Junior Software Developer Java jobs in Illinois look for? The top searched job categories for Junior Software Developer Java jobs in Illinois are:
What cities in Illinois are hiring for Junior Software Developer Java jobs? Cities in Illinois with the most Junior Software Developer Java job openings:
Junior Software Developer Java jobs near you
Infographic showing various Junior Software Developer Java job openings in Illinois as of May 2026, with employment types broken down into 100% Full Time. Highlights an 90% In-person, and 10% Remote job distribution, with an average salary of $86,280 per year, or $41.5 per hour.
Junior Software Developer, Applications

Junior Software Developer, Applications

ECS

O Fallon, IL • On-site

$62K - $81K/yr

Full-time

Posted 19 days ago

Job description

Everforth ECS Federal is looking for a Junior software developer that develops, creates, and modifies general computer applications software or specialized utility programs. Analyze user needs and develop software solutions. Design software or customize software for client use with the aim of optimizing operational efficiency. May analyze and design databases within an application area, working individually or coordinating database development as part of a team. May collaborate directly with customers on requirements gathering and software issues. Assists with software manual creation and maintenance. Work is performed under supervision
  • CompTIA Security+ Certification (or ability to obtain within 6 months)
  • 0-3 years of development experience
  • Bachelor's degree or work experience substitute
  • Basic Knowledge of Java, HTML5 technologies, Spring, RHEL, SQL, JavaScript, XML, Agile methodologies, WebLogic, Gradle/Maven/Ant, Python.
  • Experience with or ability to learn ticketing system (ServiceNow)
  • Ability to follow documented processes, SOPs and escalation procedures
  • Basic troubleshooting skills and logical problem-solving ability
  • Knowledge of DoD transportation data and business practices
  • Ability to Design, Code and Test requirements usingLinux and Windows operating systems,
  • Knowledge of Server technologies like WebLogic, Tomcat and Apache and Container technologies like Docker, Kubernetes
  • Familiar with Version control systems like Git, Build and deployment orchestration tools like Jenkins and Build and package managers like Gradle and Artifactory
  • Experience scripting languages such as Python, BASH, Perl, Powershell
  • Knowledge of Configuration Management tools like Ansible, Puppet, Chef, Terraform
  • Experience writing Java, JavaScript, and SQL or PL/SQL
  • Experience developing Infrastructure as Code (IaC) and Configuration as Code (CaC)
  • Strong understanding of test-driven development and test automation to ensure adequate test coverage (unit, integration, system, load, functional and exploratory)
  • Able to work with the development manager and lead architect on architecture changes and understanding process and application design including grooming requirements in the architecture that were not provided in detail or not fully defined
  • Ability to manage workloads and the creation of program specifications from which the developers work and add them to the work tracker adding flowcharts, class diagrams, Entity Relationship Diagrams (ERDs), and a variety of other visual techniques (mockups) to clearly convey the meaning to the developer.
  • Able to work with development manager to manage backlogs, estimates and other SDLC requirements for development, provide estimates on requirements for iteration/build planning, and Integrate and deploy software in a complex architecture
  • Capable to review code, perform code reviews and code check-ins to ensure the integrity of commits, builds, etc.
  • Ability to learn, understand and refine the capabilities of other developers on the team including ability to mentor and coach intermediate and junior developers with constructive code reviews and code theory discussions

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