ZipRecruiter

Log In

1

Java Developer Jobs in O Fallon, MO (NOW HIRING)

Xforia Inc

Java Developer

Lake Saint Louis, MO

$48.25 - $62.50/hr

Required Skills: * 5+ years of Angular and Java experience. * Experience with Spring framework, JPA and Hibernate. * Experience working with RestAPIs . IDE: Intellij, Eclipse • Version Control: Git ...

THE TILTED CIRCLE LLC

Senior Java Developer

O Fallon, MO · On-site

$53.50 - $68.25/hr

Senior Java Developer Location: O'Fallon, MO (Onsite) Duration: 12+ Months Contract TN & -EAD Locals highly Preferred or nearby states only who can go for F2F if client asks. Please submit along with ...

New

Navtech, Inc.

Java Developer with PL/SQL

Lake Saint Louis, MO · On-site

$48.25 - $62.50/hr

Java Developer with PL/SQL Location: St Louis, MO Remote till Covid Duration: 6 to 12 Months Contract * Assist in the development of enterprise systems making specific determinations about system ...

1 point system

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 take a Glider exam , which is on recorded video and may be reviewed by the client , prior to ...

CYNET SYSTEMS

Senior Java Developer

Saint Louis, MO · On-site

$50 - $55/hr

Java/JEE, Spring, Spring Boot, REST/SOAP web services, Hibernate, SQL, Tomcat, Application servers ... We deliver agile, scalable talent solutions across IT, engineering, life sciences, clinical, and ...

CYNET SYSTEMS

Senior Java Developer

Saint Louis, MO · On-site

$50 - $55/hr

Java/JEE, Spring, Spring Boot, REST/SOAP web services, Hibernate, SQL, Tomcat, Application servers ... We deliver agile, scalable talent solutions across IT, engineering, life sciences, clinical, and ...

The Timberline Group

Java/J2EE Developer

Saint Louis, MO · On-site

$48.25 - $62.50/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/J2EE Developer

Saint Louis, MO · On-site +1

$49.50 - $64.25/hr

... JAVA applications. 2. Perform software analysis, programming, testing, debugging based on technical requirements. 3. Identify production and non-production application issues and ensure designs ...

TalTeam

Senior Java Developer

Saint Louis, MO · On-site

$54.25 - $69.25/hr

Mandatory Skills: 8-10+ years of hands-on software engineering experience Recent experience in Java, Kotlin, Oracle, Postgres, Data handling, Spring, Spring Boot Recent experience in Kafka, in memory ...

Synthesis Systems

Full Stack Java Developer

Creve Coeur, MO · On-site

$49.25 - $63.50/hr

The Full Stack Developer provides frontend and backend development support. The successful ... JS, Java and Postgres SQL on AWS platform Overall 6+ years of Candidate experience needed Good ...

The Timberline Group

Java/Angular Developer

Saint Louis, MO · On-site +1

$49.50 - $64.25/hr

The developer will meet with clients, analyze client requirements, propose & construct solutions ... Java/ Angular, J2EE, Servlets, XML * HTML, CSS, JavaScript, JQuery * JUnit, Mockito * Apache ...

Sonsoft Inc

Java/J2EE Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Experience in Server side programming using Java Servlets, JSP, JDBC, JavaBeans, EJB, log4J. * Experience in development/build tools like Eclipse, RAD, Soap UI, XML Spy, ANT, SVN, CVS etc.

Sonsoft Inc

Java/J2ee Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Experience in Server side programming using Java Servlets, JSP, JDBC, JavaBeans, EJB, log4J. * Experience in development/build tools like Eclipse, RAD, Soap UI, XML Spy, ANT, SVN, CVS etc.

previous page

Showing results 41-60

All JobsJava Developer JobsJava Developer Jobs in O'Fallon, MO

Java Developer information

See O Fallon, MO salary details

$14

$53

$72

How much do java developer jobs pay per hour?

As of Sep 9, 2026, the average hourly pay for java developer in O'Fallon, MO is $53.04, according to ZipRecruiter salary data. Most workers in this role earn between $45.87 and $59.38 per hour, depending on experience, location, and employer.

What is a Java developer?

Java Developers are software professionals who specialize in designing, developing, and maintaining applications using the Java programming language. They work on a variety of projects, including web, desktop, and mobile applications, as well as enterprise-level systems. Java Developers are responsible for writing clean and efficient code, testing and debugging programs, and collaborating with other team members to deliver robust software solutions. Their expertise in Java and related technologies is crucial for building scalable and secure applications.

What do Java developers do?

Java developers create dynamic computer applications and websites using the Java computer programming language. The Java language integrates with other programming languages and infrastructures to build robust business applications and software for a wide range of industries, from finance and healthcare to content management and social media. Java developers may be involved in all stages of application development, from conception and design to testing, production, and ongoing maintenance. The goal is to provide efficient solutions for business needs.

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

To thrive as a Java Developer, you need strong proficiency in Java programming, object-oriented design, and a solid understanding of software development principles, usually supported by a degree in computer science or related fields. Familiarity with frameworks such as Spring or Hibernate, experience with version control systems like Git, and sometimes certification like Oracle Certified Professional Java Programmer (OCPJP) are commonly required. Effective problem-solving, teamwork, and attention to detail are crucial soft skills in this role. These skills ensure robust, maintainable, and scalable software solutions that meet project requirements and business goals.

What are some common challenges Java developers face when working on large-scale enterprise applications?

Java Developers working on large-scale enterprise applications often encounter challenges such as managing complex codebases, ensuring efficient performance, and integrating with legacy systems. Collaborating with cross-functional teams is crucial, as these projects typically involve multiple developers, QA engineers, and business analysts. Additionally, maintaining code quality and adhering to best practices while meeting tight deadlines can be demanding. Staying up-to-date with evolving frameworks and tools also plays a key role in overcoming these challenges.

What is the difference between Java Developer vs Software Engineer?

AspectJava DeveloperSoftware Engineer
Required CredentialsBachelor's in Computer Science or related, Java certificationsBachelor's in Computer Science or related, various certifications
Work EnvironmentDevelops Java-based applications, often in teamsDesigns and develops software solutions, may include Java projects
Employer & Industry UsageTech companies, finance, e-commerceBroad industry, including tech, finance, healthcare

Java Developers focus specifically on Java programming, while Software Engineers have a broader role in designing and developing software solutions across multiple languages. Both roles often require similar educational backgrounds and certifications, but Java Developers typically work more directly with Java-based projects, whereas Software Engineers may handle diverse technologies.

Is a Java developer still in demand?

Java developers remain in high demand due to the language's widespread use in enterprise applications, Android development, and backend systems. Skills in frameworks like Spring and knowledge of cloud platforms can enhance job prospects in this field.
More about Java Developer jobs

What are the most commonly searched types of Java Developer jobs in O'Fallon, MO?

The most popular types of Java Developer jobs in O'Fallon, MO are:

What are popular job titles related to Java Developer jobs in O'Fallon, MO?

For Java Developer jobs in O'Fallon, MO, the most frequently searched job titles are:

What job categories do people searching Java Developer jobs in O'Fallon, MO look for?

The top searched job categories for Java Developer jobs in O'Fallon, MO are:

What cities near O'Fallon, MO are hiring for Java Developer jobs?

Cities near O'Fallon, MO with the most Java Developer job openings:

Java Developer jobs near you
Infographic showing various Java Developer job openings in O'Fallon, MO as of September 2026, with employment types broken down into 80% Full Time, 10% Part Time, and 10% Contract. Highlights an 78% Physical, 4% Hybrid, and 18% Remote job distribution, with an average salary of $110,322 per year, or $53 per hour.

Java Developer

Lake Saint Louis, MO

Xforia Inc
IT Services • 51 - 200 employees
Learn more about Xforia Incexternal

$48.25 - $62.50/hr

Full-time

Posted 10 days ago

Job description

Responsibilities:

  • Develop and document software based on defined design and performance requirements.
  • Actively participate in application design, database design, schema layout, and data loading.
  • Prepare sample data and unit test plans.
  • Develop and execute unit and integration tests as per the project plan.
  • Assist in the setup and execution of demonstrations as required.

Required Skills:

  • 5+ years of Angular and Java experience.
  • Experience with Spring framework, JPA and Hibernate.
  • Experience working with RestAPIs . IDE: Intellij, Eclipse • Version Control: Git/BitBucket, Bamboo.
  • Methodologies: Agile • Other Tools: JIRA, Confluence.
  • Code Quality: Jasmine, Junit, SonarQube • Database: Oracle.
  • Experience with an AWS infrastructure is highly preferred.

Apply