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Junior Java Developer Jobs in Roxana, IL (NOW HIRING)

Netrist Solutions LLC

Java Developer

Scott Air Force Base, IL · On-site

$49.25 - $63.75/hr

We are seeking a Java Developer to support a command and control system for the Mobility Air Force ... You will operate within an Agile environment and mentor junior developers while contributing to ...

Netrist Solutions, LLC.

Java Developer (Remote)

Shiloh, IL · Remote

$52.25 - $67.50/hr

Java Developer We are seeking a Java Developer to support a command and control system for the ... You will operate within an Agile environment and mentor junior developers while contributing to ...

Futran Tech Solutions Pvt. Ltd.

Java Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Java Developer Location: St. Louis, MO Strong Programming skills (OOP, SOLID, 12-factor). Java is preferred. Experience with distributed systems design and architecture Strong experience with CI/CD ...

Apex Informatics

Java Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Java Developer Location: St Louis, MO * 10+ years of hands-on software engineering experience * Excellent hands-on experience in Java * Experience in developing REST services. * Experience in unit ...

The Timberline Group

Java Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Strong understanding of Object Oriented Programming * Analyze and develop Java solutions based on customers' needs * The ability to develop technical documentation * Proficient knowledge of Java ...

The Timberline Group

Java Developer

Saint Louis, MO

$49.50 - $64.25/hr

Strong understanding of Object Oriented Programming * Analyze and develop Java solutions based on customers' needs * The ability to develop technical documentation * Proficient knowledge of Java ...

Gemini

Java Developer

Saint Louis, MO

$49.50 - $64.25/hr

Java Developer Location: St.Louis, MO - Inperson Interview Job Type: Full Time Only OPT EAD, CPT EAD, H4 EAD, L2 EAD, H1B Visa Transfer JOB DETAILS: Below highlighted skills are mandatory. Experience ...

Gemini

Java Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Java Developer Location: St.Louis, MO - Inperson Interview Job Type: Full Time Only OPT EAD, CPT EAD, H4 EAD, L2 EAD, H1B Visa Transfer JOB DETAILS: Below highlighted skills are mandatory. • ...

Atria Group LLC

Java Developer

Saint Louis, MO

$49.50 - $64.25/hr

Unigroup is in need of a senior Java developer. They will be part of a 10+ person team developing on a large rewrite of their enterprise system along with smaller projects as well. This individual ...

Pyramid IT

Java Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Java Developer Location - St. Louis, MO Duration: Long term contract Work Authorization status : US Citizen & Green card only Mandatory Skills: J2EE (Java, JSP, Servlets, Filters, Listeners, JSTL, EL ...

Atria Group LLC

Java Developer

Saint Louis, MO

$49.50 - $64.25/hr

Required Skills: 5+ years advanced computer programming skills in Java, Java Servlet, Javabean, EJB, OO Design, HTML. Advanced working skills in programming with SQL or Oracle. Experience writing ...

Gallop Resources Inc

Fullstack Java Developer

Saint Louis, MO · On-site

$51 - $65.75/hr

Ability to thrive in a team-oriented, fast-paced environment Qualifications Fullstack Java Developer Additional Information All your information will be kept confidential according to EEO guidelines.

Deloitte

Senior Java Developer

Saint Louis, MO · On-site +1

$55.75 - $71/hr

As an experienced Java Developer Sr. Consultant, you will have the ability to share new ideas and collaborate on projects as a consultant without the extensive demands of travel. The Project Delivery ...

MyASAP

Java Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

... in Java & Unix. Assist production support of applications in PROD and Pre PROD. Conduct unit ... oriented analysis, design, and programming experience and SOLID principles Experience in ...

MyASAP

Java Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

... in Java & Unix. • Assist production support of applications in PROD and Pre PROD. • Conduct ... and programming experience and SOLID principles • Experience in implementing various design ...

Accenture Federal Services

Java Developer

Saint Louis, MO

$49.50 - $64.25/hr

The Java Developer will be responsible for the following: * Design, develop, and configures software systems to meet market and/or client requirements either end-to-end from analysis, design ...

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Junior Java Developer information

See Roxana, IL salary details

$58.5K

$102.4K

$154.4K

How much do junior java developer jobs pay per year?

As of May 31, 2026, the average yearly pay for junior java developer in Roxana, IL is $102,442.00, according to ZipRecruiter salary data. Most workers in this role earn between $72,400.00 and $102,100.00 per year, depending on experience, location, and employer.

What Does a Junior Java Developer Do?

Junior Java developers are entry-level programmers who are part of a team of coders and developers. They work on both front-end and back-end codes to build an application. Being a junior Java developer requires extensive knowledge of coding and the program language JavaScript to develop and troubleshoot products. As a junior Java developer, you run tests to pinpoint errors, migrate code and data, and ensure the program is integrated with other company developments.

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

A Junior Java Developer should have a solid understanding of Java programming, object-oriented principles, and basic software development concepts, often supported by a relevant degree or coding bootcamp. Familiarity with tools such as IntelliJ IDEA or Eclipse, version control systems like Git, and frameworks like Spring Boot is typically expected. Strong problem-solving abilities, attention to detail, and effective teamwork are important soft skills in this role. These competencies enable efficient code development, smooth collaboration, and the ability to quickly adapt to new technologies and project requirements.

What are some common challenges a Junior Java Developer might face during their first year, and how can they overcome them?

Junior Java Developers often encounter challenges such as understanding large codebases, adapting to agile development processes, and managing task priorities. To overcome these hurdles, it’s helpful to proactively seek mentorship from senior developers, regularly review documentation, and participate in code reviews. Effective communication with team members also accelerates learning and helps clarify requirements or technical uncertainties. Embracing continuous learning through online resources and hands-on projects will further strengthen your skills and confidence.

What are Junior Java Developers?

Junior Java Developers are entry-level software engineers who specialize in building and maintaining applications using the Java programming language. They typically work under the supervision of more experienced developers and are responsible for writing code, debugging, and participating in code reviews. Their tasks may also include testing software, learning new frameworks, and assisting with the design and implementation of features. Junior Java Developers usually have foundational knowledge of Java and related technologies, and they are eager to develop their skills through hands-on experience.

Will AI replace Java devs?

AI is unlikely to fully replace Java developers, as their role involves complex problem-solving, system design, and understanding business needs that AI cannot fully replicate. Instead, AI tools can assist Java developers by automating repetitive tasks and improving productivity, making their skills more valuable. Continuous learning and adapting to new technologies remain important for Java developers to stay relevant in the evolving tech landscape.

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

AspectJunior Java DeveloperJava Developer
Required Experience0-2 years2+ years
CertificationsOptional, entry-level certificationsOptional, advanced certifications
Work EnvironmentSupportive, learning-focused teamsProject-driven, independent roles
ResponsibilitiesAssist in coding, bug fixing, learning frameworksDesign, develop, maintain Java applications

The main difference between a Junior Java Developer and a Java Developer lies in experience, responsibilities, and independence. Junior Java Developers are typically entry-level, focusing on learning and supporting tasks, while Java Developers have more experience and handle complex development projects independently.

More about Junior Java Developer jobs
What job categories do people searching Junior Java Developer jobs in Roxana, IL look for? The top searched job categories for Junior Java Developer jobs in Roxana, IL are:
What cities near Roxana, IL are hiring for Junior Java Developer jobs? Cities near Roxana, IL with the most Junior Java Developer job openings:
Junior Java Developer jobs near you
Java Developer

Java Developer

Netrist Solutions LLC

Scott Air Force Base, IL • On-site

$49.25 - $63.75/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 26 days ago

Job description

Job Description
We are seeking a Java Developer to support a command and control system for the Mobility Air Force. This role focuses on designing and maintaining mission critical backend services in Java and .NET, building and securing RESTful APIs, and implementing cloud native patterns in Amazon GovCloud. You will work across the entire stack, but your primary responsibility will be backend architecture, service reliability, data integrity, and integration with cloud services.
You will operate within an Agile environment and mentor junior developers while contributing to evolving DevSecOps pipelines and secure deployment practices.
What you will do
  • Design, implement, test, and deploy backend features using Java and .NET in AWS GovCloud.
  • Lead the development of RESTful services, API endpoints, and backend integration patterns.
  • Architect and implement microservices, serverless functions, and containerized workloads using AWS services such as Lambda, ECS, EKS, Fargate, and API Gateway.
  • Build and optimize data models, SQL queries, and relational database operations.
  • Participate in architecture reviews, design sessions, and backlog refinement.
  • Conduct code reviews and refactor existing backend components for scalability, maintainability, and security.
  • Integrate backend services into CI/CD pipelines with automated builds, tests, and scans.
  • Ensure secure coding practices and interpret output from static and dynamic security analysis tools.
  • Use scripting languages, including Python and Bash, to automate operational and deployment tasks.
  • Troubleshoot complex backend issues across application logic, integrations, data stores, and cloud resources.
  • Mentor team members in API design, backend architecture, and secure coding patterns.

What we like to see
  • Deep experience with Java and .NET development in production environments.
  • Strong understanding of REST API design, service versioning, and integration testing.
  • Experience deploying and managing backend services in AWS using Lambda, ECS, ECR, CloudFormation, RDS, S3, CloudWatch, and IAM.
  • Experience with microservices or modular service architectures.
  • Strong debugging skills in distributed systems.
  • Experience working within DoD or regulated environments with security compliance requirements.
  • Comfortable working with minimal day-to-day direction and accountable for end to end delivery.

You should be familiar with
  • Java (Spring Boot or similar frameworks) and .NET (Core or Framework).
  • SQL and relational database design.
  • Linux administration and scripting.
  • Containerization with Docker and orchestration patterns.
  • CI/CD tooling such as Jenkins, GitHub Actions, or GitLab CI.
  • Cloud networking, IAM policies, and secure cloud deployment models.
  • Basic front end technologies for full stack integration, including HTML, CSS, and JavaScript.
  • OpenAPI Spec 3.x and automated code generation
  • Agile methodology.

Requirements
  • Minimum Experience: 3+ years of professional development, including at least 3 years of Java development.
  • Experience owning backend services or components in production.
  • Bachelor's degree in Computer Science, Engineering, or related field, or equivalent experience.
  • Ability to obtain or maintain a government security clearance.
  • Prior DoD or federal experience is strongly preferred.

This position is eligible for remote work in the St. Louis area. However, the position requires a government security clearance, so candidates must be U.S. citizens and eligible for work without a visa sponsorship.
Benefits
  • Competitive Salary
  • Paid Time Off
  • Paid Federal Holidays
  • 401K with matching
  • 100% Paid Medical, Dental, Vision, Long & Short Term Disability, and Basic Life
  • Flexible Spending Account
  • Health Reimbursement Arrangement
  • Work From Home Options
  • Education Assistance

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