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Java Software Engineer Jobs in Naperville, IL (NOW HIRING)

Jobtailor

Lead Java Software Engineer

Chicago, IL · On-site

$120 - $160/hr

Competent to perform all programming and development assignments without close supervision ... Strong expertise in Java 17+ and backend development * Experience developing scalable software ...

Resource Innovations

Lead Java Software Engineer

Chicago, IL · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Resource Innovations is seeking Lead Java Software Engineer to join our growing Software as a Service (SaaS) team. As a hands-on technical lead at Resource Innovations, you will be instrumental in ...

Resource Innovations

Lead Java Software Engineer

Chicago, IL · Remote

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Resource Innovations is seeking Lead Java Software Engineer to join our growing Software as a Service (SaaS) team. As a hands-on technical lead at Resource Innovations, you will be instrumental in ...

Mojo Trek

Lead Java Software Engineer

Chicago, IL · On-site

$70 - $80/hr

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 ...

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

$90K - $128K/yr

  • Medical

  • Retirement

  • PTO

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

Senior Software Developer - Java

Glenview, IL

$96K - $148K/yr

  • Medical

  • Retirement

  • PTO

Senior Software Developer - Java Pay from $96,000 to $148,000 per year 2200 S. Lakeside Drive, Waukegan, IL 60085 Are you ready to design, innovate and lead in a collaborative, cutting-edge tech ...

Auria

Algorithm Software Engineer

Chicago, IL · On-site

$110 - $125/hr

  • Medical

  • Life

  • Retirement

  • PTO

Algorithm Software Engineer Location: Huntsville, AL Remote Status: On-Site Job Id: 14121-C2BMC ... Experience with full life‑cycle development, Java application development, Unix/Linux ...

New

Rewards Network

Senior Software Engineer (Java)

Chicago, IL · On-site

$128K - $169K/yr

The Senior Software Engineer (Java) will perform new development as well as escalated product support. We are looking for a passionate problem solver that is highly focused, agile and who thrives in ...

Rewards Network

Senior Software Engineer (Java)

Chicago, IL · On-site

$128K - $169K/yr

The Senior Software Engineer (Java) will perform new development as well as escalated product support. We are looking for a passionate problem solver that is highly focused, agile and who thrives in ...

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All JobsJava Software Engineer JobsJava Software Engineer Jobs in Naperville, IL

Java Software Engineer information

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$26

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How much do java software engineer jobs pay per hour?

As of Aug 19, 2026, the average hourly pay for java software engineer in Naperville, IL is $59.90, according to ZipRecruiter salary data. Most workers in this role earn between $49.33 and $67.69 per hour, depending on experience, location, and employer.

What does a Java software engineer do?

A Java software engineer designs and develops computer applications using the Java programming language. In this job, you work with web developers and other software engineers to integrate java software into online platforms or other types of computer software. You are present for the entire development lifecycle, from design through quality testing. Your other duties may include documenting the programming code for other users or developers and writing reports to management or department heads. Java engineers work in large teams, so you must be able to collaborate with many people to complete a project.

What does a Java software engineer do?

A Java Software Engineer is responsible for designing, developing, and maintaining software applications using the Java programming language. They work on building efficient, scalable, and robust systems, often collaborating with other developers, testers, and stakeholders. Their tasks can include writing code, debugging, testing, and optimizing Java applications for various platforms, such as web, mobile, or enterprise environments. Java Software Engineers also help ensure that software solutions meet client or business requirements and adhere to industry best practices.

What are some typical challenges Java software engineers face when working on large-scale enterprise applications?

Java Software Engineers working on large-scale enterprise applications often encounter challenges such as managing complex codebases, ensuring high performance under heavy loads, and maintaining backward compatibility during system upgrades. Collaborating with cross-functional teams, like QA and DevOps, to streamline deployments and resolve integration issues is common. Additionally, keeping up with evolving frameworks and best practices is important for maintaining code quality and system reliability.

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

To thrive as a Java Software Engineer, you need strong programming skills in Java, a solid understanding of object-oriented design, and typically a degree in computer science or a related field. Familiarity with development tools such as Eclipse or IntelliJ IDEA, version control systems like Git, and frameworks such as Spring or Hibernate is often required. Analytical thinking, problem-solving abilities, and effective teamwork distinguish high-performing individuals in this role. These skills ensure the efficient design, development, and maintenance of robust software applications in collaborative and dynamic technical environments.

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

AspectJava Software EngineerJava Developer
Required CredentialsBachelor's in Computer Science, Java certificationsBachelor's in Computer Science, Java certifications
Work EnvironmentDesigning, developing, and testing Java applicationsWriting, debugging, and maintaining Java code
Employer & Industry UsageTech companies, software firms, enterprise solutionsStartups, software companies, freelance projects
Common Search & ComparisonOften compared for roles involving system design and architectureFocused on coding and implementation tasks

While both roles require similar skills and certifications, Java Software Engineers typically focus on designing and architecting Java applications, whereas Java Developers primarily concentrate on coding and maintaining Java programs. The choice depends on the project scope and career focus.

More about Java Software Engineer jobs

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The most popular types of Java Software Engineer jobs in Naperville, IL are:

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The top searched job categories for Java Software Engineer jobs in Naperville, IL are:

What cities near Naperville, IL are hiring for Java Software Engineer jobs?

Cities near Naperville, IL with the most Java Software Engineer job openings:

Java Software Engineer jobs near you
Infographic showing various Java Software Engineer job openings in Naperville, IL as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 11% Part Time, and 4% Contract. Highlights an 88% Physical, 4% Hybrid, and 8% Remote job distribution, with an average salary of $124,602 per year, or $59.9 per hour.

Lead Java Software Engineer AWS Microservices

3Core Systems, Inc

Chicago, IL • On-site

Other

Posted 4 days ago

Job description

3Core Systems, Inc is an SAP and Success Factors Partner with employees located across the United States. Our organization is dedicated to customer and employee satisfaction. We provide High Quality, Cost efficient and Competitive Solutions and Resources.

3Core Systems is looking for a Lead Java Software Engineer AWS Microservices for one of our clients in Chicago, IL, 60603 (Hybrid: 3 Days a week onsite)

"US and those authorized to work in the US are encouraged to apply. We are unable to sponsor visas at this time"

Job Title: Lead Java Software Engineer AWS Microservices
Location: Chicago, IL, 60603, USA
Duration: Long-term contract

Must Have Skills/Attributes: API, AWS, Azure, Elastic Search, Java, JUnit, MySQL, Spring Boot, SQL

Experience Desired: Java 17+ & Spring Boot for RESTful API Development (10 yrs); Public Cloud Deployment (AWS preferred) & API Gateway (Apigee) (10 yrs); End-to-End Software Lifecycle Ownership & Automated Testing (10 yrs)

Job Description
Required Education
Degree: Bachelor's degree or equivalent (implied by "Degree + 10+ years' experience")
Years of Experience: 10+ years of professional software engineering experience
Required Skills
Programming Language: Extensive experience with Java 17+ and Spring Boot for RESTful API development.
API Management: Experience with API gateways and management platforms, specifically Apigee (or similar).
Cloud Platforms: Proficiency deploying and maintaining software in public cloud environments (AWS, Azure, or Google Cloud Platform); AWS preferred given the platform context.
Testing: Proven ability to write comprehensive automated tests (unit, integration, end-to-end) using frameworks like JUnit and Mockito.
Architecture: Experience designing and implementing Event-Driven Architectures using message streaming solutions (e.g., AWS Kinesis, SQS, SNS, Apache Kafka, RabbitMQ, Azure Event Hub).
Datastores: Deep understanding of multiple datastore types:
o Relational: PostgreSQL, MySQL, Oracle, AWS RDS/Aurora
o NoSQL: MongoDB, Cassandra, AWS DynamoDB
o Search: Elasticsearch
o Caching: Redis
o Vector databases
CI/CD: Hands-on experience configuring and deploying software via CI/CD pipelines (Azure DevOps, Jenkins, or GoCD).
Agile: Demonstrated success working within an Agile/Scrum framework.
Security: Knowledge of secure service-to-service integrations using OAuth 2.0, JWT, and entitlement-based authorization models.
Soft Skills: Strong decision-making, critical thinking, and technical leadership abilities.
Preferred/Nice-to-Have:
Familiarity with AI-assisted coding companions (GitHub Copilot, Cursor).
Lead Software Engineer provides technical leadership in the design, development, testing, and deployment of a state-of-the-art digital platform hosted on AWS. This role will build a world-class platform to host a wide range of digital applications.
Key Responsibilities:
Lead the design and development of enterprise-scale REST APIs and microservices using Java 21+, Spring Boot, Apigee API Gateway, and AWS cloud services.
Architect API-first solutions; define service contracts, payload schemas, and OpenAPI/Swagger specifications.
Lead solution decomposition by breaking business requirements into technical designs, user stories, and implementation tasks.
Guide engineers in developing secure service-to-service integrations using OAuth 2.0, JWT, and enterprise entitlement-based authorization models.
Serve as the technical lead for complex initiatives, driving architecture decisions, design reviews, and code reviews.
Collaborate with product owners, UI development teams, architects, and partner teams to ensure successful delivery of customer-focused solutions.
Establish engineering best practices for reliability, scalability, observability, security, and maintainability.
Drive quality engineering practices including automated testing, performance testing, load testing, and production readiness reviews.
Lead troubleshooting and resolution of complex production issues.
Create and maintain technical documentation, operational runbooks, and engineering standards.
Drive end-to-end software ownership from design through deployment, monitoring, support, and continuous improvement.

Regards,

Recruiting Team

3Core Systems Inc

9101 Burnet Road, Suite 207, Austin, TX 78758

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