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Java Application Developer Jobs in Saint Charles, MO

Backend Java Engineer W/IBM MQ Exp

O Fallon, MO · On-site

$47.25 - $61.25/hr

... Engineer (Specialty) - Level 7 Location: O'Fallon, MO/Hybrid Duration: 12 months * Java ... Application uses ibm iib service aggregation iib or ace good to have not mandatory skills these are ...

Drools / JBOSS Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Application Designer/Developer for Redhat DROOLS Business Rules Management System [BRMS]. Develop ... Guvnor Design and develop Java Business Object Model (BOM) Architect and implement a highly ...

Java Lead

O Fallon, MO · On-site

$90K - $120K/yr

... • Programming & Scripting Languages (2 or more of Java, C++, Scala, JS, Python, Shell*) • Spring, Spring Boot • Web application frameworks like AngularJS, Spring) • Analytical and Problem ...

Java Lead

O Fallon, MO · On-site

$90K - $120K/yr

... • Programming & Scripting Languages (2 or more of Java, C++, Scala, JS, Python, Shell*) • Spring, Spring Boot • Web application frameworks like AngularJS, Spring) • Analytical and Problem ...

Java

Saint Louis, MO

$49.50 - $64.25/hr

It provides strategic business consulting, technology, engineering and outsourcing services to help ... All selected profiles will be contacted within 1 day of application receipt Hi Hope you are ding ...

... Engineering, Math or Information Systems from an accredited university or equivalent work experience in lieu of degree. A minimum of 2 years of relevant work experience with Java/J2EE application ...

Angular Developer

Saint Louis, MO · On-site +1

$53.25 - $65.25/hr

This person will work with user experience designers and application developers. This role will ... A Plus - Back-end / Java development skills: 3+ years Java development, solid knowledge of Object ...

... Engineering, Math or Information Systems from an accredited university or equivalent work experience in lieu of degree. A minimum of 2 years of relevant work experience with Java/J2EE application ...

Sr. Java Full Stack Developer

O Fallon, MO · On-site

$49 - $63.25/hr

Understanding of web application optimizations such as progressive web apps, web workers, browser ... Have proficiency in Quality engineering and experience working with Quality leads to define ...

Java/JEE, Spring, Spring boot, REST/SOAP web services, Hibernate, SQL, Tomcat, Application servers ... Skills in UML, application designing/architecture, Design Patterns. * Angular (2.x or latest ...

Java Developer

O Fallon, MO · On-site

$47.75 - $61.75/hr

The Sr. Software Engineer opportunity we have in St. Louis, MO. All candidates will be required to ... Ensure quality of one or more application codebases and alignment with development standards.

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Java Application Developer information

See Saint Charles, MO salary details

$23

$54

$79

How much do java application developer jobs pay per hour?

As of Jul 10, 2026, the average hourly pay for java application developer in Saint Charles, MO is $54.99, according to ZipRecruiter salary data. Most workers in this role earn between $45.24 and $65.14 per hour, depending on experience, location, and employer.

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

AspectJava Application DeveloperJava Software Engineer
Required CredentialsBachelor's in Computer Science or related field, Java certificationsBachelor's in Computer Science or related field, Java certifications
Work EnvironmentDevelops, tests, and maintains Java applicationsDesigns and implements Java-based solutions, often involved in architecture
Employer & Industry UsageTech companies, software firms, enterprise applicationsTech firms, consulting, enterprise software development
Common Search & ComparisonFocuses on application development tasksBroader role including system design and architecture

Java Application Developers primarily focus on building, testing, and maintaining Java applications, while Java Software Engineers often have a broader role involving system design and architecture. Both roles require similar credentials and are used across tech and enterprise industries, but their day-to-day responsibilities differ slightly.

What are some common challenges Java Application Developers face when working on large-scale enterprise projects?

Java Application Developers working on large-scale enterprise projects often encounter challenges such as managing complex codebases, ensuring application scalability, and maintaining robust security practices. Coordinating with cross-functional teams like QA, DevOps, and UI/UX can also present integration and communication hurdles. Staying up-to-date with evolving Java frameworks and best practices is essential to address performance bottlenecks and optimize application efficiency. Proactive problem-solving and effective collaboration are key to overcoming these challenges.

What does a Java Application Developer do?

A Java Application Developer designs, develops, and maintains software applications using the Java programming language. They are responsible for writing clean, efficient code, debugging and resolving technical issues, and collaborating with other developers, designers, and stakeholders to ensure applications meet user needs. Java Application Developers often work on both frontend and backend components, integrate databases, and ensure the security and scalability of applications. They may also participate in code reviews, testing, and documentation throughout the software development lifecycle.

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

To thrive as a Java Application Developer, you need strong proficiency in Java programming, object-oriented design, and a solid understanding of software development principles, typically supported by a degree in computer science or a related field. Familiarity with frameworks like Spring or Hibernate, version control systems such as Git, and experience with build tools and IDEs are highly valued, and certifications like Oracle Certified Professional Java Programmer can be advantageous. Excellent problem-solving abilities, effective communication, and strong teamwork skills set top developers apart. These competencies ensure the delivery of robust, maintainable applications and facilitate collaboration in dynamic development environments.
What job categories do people searching Java Application Developer jobs in Saint Charles, MO look for? The top searched job categories for Java Application Developer jobs in Saint Charles, MO are:
What cities near Saint Charles, MO are hiring for Java Application Developer jobs? Cities near Saint Charles, MO with the most Java Application Developer job openings:
Backend Java Engineer W/IBM MQ Exp

Backend Java Engineer W/IBM MQ Exp

Palnar

O Fallon, MO • On-site

$47.25 - $61.25/hr

Full-time

Posted 29 days ago


Job description

Job Title: Senior Software Development Engineer (Specialty) - Level 7
Location: O'Fallon, MO/Hybrid
Duration:12 months
Job Description:
  • Java
  • Proficient in core java
  • Spring boot preferred.
  • Messaging services
  • MQ's or any other tool, client uses mq, Apache flik
  • Ibm mq
  • Service aggregation
  • Splunk and Dynatrace to analyses logs
  • Focus on performance testing knowledge needed.
  • Application uses ibm iib service aggregation iib or ace good to have not mandatory skills these are middleware good to have skills.
  • Safe agile client uses.
  • Java with messaging, Splunk, Dynatrace
  • Splunk is required to monitor the changes , no dashboard creation needed mainly use of Splunk is required
  • Dynatrace similar expectations but client has team to handle it
  • Manger Notes:
  • Preferably, candidates should have experience in MQ or Event based systems with high transaction volume. Hands-on experience on troubleshooting production/performance issues will be big plus. Finally, the associate should be flexible in technology areas like JAVA Spring boot, Event processing (IBM systems, Kafka etc.).