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

Caterpillar

Senior Software Engineer

Peoria, IL · On-site

$120K - $158K/yr

Will mentor junior developers provide technical assistance as needed, perform code reviews, work ... Proven experience designing scalable architecture systems for Java-based applications. * Strong ...

Danaher

Software Engineer Internships

Peoria, IL · On-site

About Software Engineering Roles at Danaher Are you passionate about building real-world ... Writing and debugging code in languages such as C#, Java, Python, or C++ * Participating on an ...

TEKsystems

AI Machine Learning Engineer

Bloomington, IL · Remote

$50 - $70/hr

... developer tooling (e.g., VS Code extensions, CLI tools) • Strong problem-solving skills and ability to work independently as well as collaboratively Skills Java, aws, terraform, artificial ...

State Farm

Software Engineer

Bloomington, IL · On-site +1

Build and enhance applications using Java, Spring Boot, JavaScript/TypeScript, and modern UI ... Experience with GitLab CI/CD, Dynatrace, or similar DevOps and observability tools. * Experience ...

Caterpillar

Full Stack Developer

East Peoria, IL · On-site

Caterpillar is seeking a Full Stack developer to join Financial Systems Data team. In this role you will play a key role in developing secure, high-performance applications tailored for financial ...

Jobtailor

Software Engineer IV

Pekin, IL · On-site

$110 - $190/hr

Uses DevOps and Agile processes to deliver desired functionality quickly and effectively, while iterating to continue development. * Owns all aspects of development, from user experience (UX) ...

State Farm

Software Engineer

Bloomington, IL · On-site

Experience with version control systems (Git) DevOps & Infrastructure: * Experience building and using CI/CD pipelines (GitLab/GitHub CI/CD) * Container-related development and deployment experience ...

Pentangle Tech

sil engineer1

Mossville, IL · On-site

SIL engineer Location: Mossville, IL Duration: Long Term Client: CAT This role requires full onsite work during the 2nd shift from 12 PM to 10 PM, four days a week 2nd shift, onsite role Join a ...

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All JobsJava Developer JobsJunior Java Developer JobsJunior Java Developer Jobs in Washington, IL

Junior Java Developer information

See Washington, IL salary details

$57.5K

$100.8K

$151.8K

How much do junior java developer jobs pay per year?

As of Aug 17, 2026, the average yearly pay for junior java developer in Washington, IL is $100,753.00, according to ZipRecruiter salary data. Most workers in this role earn between $71,200.00 and $100,400.00 per year, depending on experience, location, and employer.

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.

What is a junior Java developer?

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.

How much do junior Java developers make?

Junior Java developers typically earn between $50,000 and $70,000 annually, depending on location, industry, and experience. Entry-level roles often require knowledge of Java, object-oriented programming, and development tools like Eclipse or IntelliJ IDEA.

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 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 the key skills and qualifications needed to thrive as a junior Java developer?

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.

Is a Junior Java Developer still in demand?

Junior Java Developers remain in demand due to the widespread use of Java in enterprise applications, web development, and Android app creation. Employers seek candidates with foundational Java skills, knowledge of frameworks like Spring, and familiarity with version control tools such as Git. Continuous learning and certifications can enhance job prospects in this field.
More about Junior Java Developer jobs

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

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

Junior Java Developer jobs near you
Infographic showing various Junior Java Developer job openings in Washington, IL as of August 2026, with employment types broken down into 80% Full Time, and 20% Contract. Highlights an 100% In-person job distribution, with an average salary of $100,753 per year, or $48.4 per hour.

Senior Java Full Stack Engineer - Spring Boot & Spring Batch

Long Finch Technologies

Stanford, IL • On-site

$51 - $66/hr

Full-time

Posted 9 days ago

Job description

We are looking for an experienced Senior Java Full Stack Developer with strong hands-on expertise in Java, Spring Boot, Spring Batch, and QA Automation. The ideal candidate will design, develop, and support scalable enterprise applications, build high-performance microservices, implement robust batch processing solutions, and drive automation and quality engineering practices.

Key Responsibilities
  • Design, develop, and maintain high-throughput Java/Spring Boot microservices for enterprise data processing and integration workflows.
  • Lead the development of Spring Batch applications for end-to-end data pipelines, including ingestion, validation, transformation, persistence, reconciliation, and status tracking.
  • Build secure and scalable REST API integrations with internal and external systems using Spring technologies.
  • Implement OAuth2 client credentials authentication, API retry mechanisms, timeout strategies, and observability-focused logging.
  • Develop file-to-database and API-to-database synchronization processes with strong data accuracy and traceability.
  • Implement batch processing best practices including restartability, idempotency, chunk processing, partitioning, and error recovery.
  • Design and optimize database workflows using PostgreSQL, including schema-aware CRUD operations, transaction management, indexing, and query optimization.
  • Establish automated quality gates using BDD and integration testing frameworks, including Cucumber and JUnit.
  • Perform API validation, database testing, and edge-case automation to ensure application reliability.
  • Drive production readiness through monitoring, health checks, exception handling, diagnostics, alerting, and operational support practices.
  • Collaborate with cross-functional teams including QA, DevOps, Product, and Data teams to deliver reliable software solutions.
  • Mentor developers through code reviews, architecture discussions, and engineering best practices.
Required Technical Skills
  • 8+ years of hands-on experience in Java development with strong knowledge of OOP principles, collections, concurrency concepts, and clean coding practices.
  • Strong expertise in Spring Boot and Spring Batch, including:
    • Job and step configuration
    • Item readers, processors, and writers
    • Chunk-based processing
    • Partitioning
    • Job restart and recovery strategies
  • Experience developing and consuming RESTful APIs using Spring MVC/WebFlux with secure service-to-service communication.
  • Strong knowledge of PostgreSQL and SQL, including:
    • Complex queries
    • Database transactions
    • Indexing strategies
    • Performance tuning
    • Large-volume ETL/data processing workloads
  • Hands-on experience with Spring Data JPA and JDBC Template for ORM-based and query-driven data access.
  • Experience with QA automation frameworks including:
    • Cucumber
    • JUnit
    • API automation
    • Database validation testing
  • Experience with build and deployment tools such as:
    • Maven
    • Docker
    • CI/CD pipelines

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