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Sr Java J2Ee Developer Jobs in O Fallon, MO (NOW HIRING)

The Timberline Group

Java / J2EE Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

BA/BS degree * 3+ years of development experience in JAVA/J2EE * Strong understanding of Object Oriented Programming * Analyze and develop Java solutions based on customers' needs * The ability to ...

The Timberline Group

Java/J2EE Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

... activities to design JAVA applications. 2. Perform software analysis, programming, testing ... J2EE, JSP, SQL, XML and HTML technologies and REST Web Services. 5. Work with design and ...

The Timberline Group

Java/J2EE Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

... activities to design JAVA applications. 2. Perform software analysis, programming, testing ... J2EE, JSP, SQL, XML and HTML technologies and REST Web Services. 5. Work with design and ...

Sonsoft Inc

Java/J2ee Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

At least 4 years of experience in in Java, J2EE Skills * At least 4 years of experience in ... Experience in Server side programming using Java Servlets, JSP, JDBC, JavaBeans, EJB, log4J.

Sonsoft Inc

Java/J2EE Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

At least 4 years of experience in in Java, J2EE Skills * At least 4 years of experience in ... Experience in Server side programming using Java Servlets, JSP, JDBC, JavaBeans, EJB, log4J.

kollasoft

Java/J2EE developer Sr.

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Java J2EE Developer in St.Louis,MO Duration: 2-3 Years Contract Need GC or USC only Communication: Present ideas assertively, aggressively and not be easily ignored. * Be articulate, persuasive and ...

The Timberline Group

Java / J2EE Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

BA/BS degree * 3+ years of development experience in JAVA/J2EE * Strong understanding of Object Oriented Programming * Analyze and develop Java solutions based on customers' needs * The ability to ...

The Timberline Group

Java / J2EE Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Requirements: * BS in a Computer Science related field or equivalent experience * 5+ years of development experience in JAVA/J2EE * Strong understanding of Object-Oriented Programming (OOP) * Analyze ...

The Timberline Group

Java / J2EE Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Requirements: * BS in a Computer Science related field or equivalent experience * 5+ years of development experience in JAVA/J2EE * Strong understanding of Object-Oriented Programming (OOP) * Analyze ...

Sonsoft Inc

Java/J2ee Developer

Saint Louis, MO

$49.50 - $64.25/hr

At least 4 years of experience in in Java, J2EE Skills * At least 4 years of experience in ... Experience in Server side programming using Java Servlets, JSP, JDBC, JavaBeans, EJB, log4J.

kollasoft

Java/J2EE developer Sr.

Saint Louis, MO

$49.50 - $64.25/hr

Java J2EE Developer in St.Louis,MO Duration: 2-3 Years Contract Need GC or USC only Communication: Present ideas assertively, aggressively and not be easily ignored. * Be articulate, persuasive and ...

Sonsoft Inc

Java/J2EE Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

At least 4 years of experience in in Java, J2EE Skills * At least 4 years of experience in ... Experience in Server side programming using Java Servlets, JSP, JDBC, JavaBeans, EJB, log4J.

kollasoft

Java/J2EE developer Sr.

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Java J2EE Developer in St.Louis,MO Duration: 2-3 Years Contract Need GC or USC only Communication: Present ideas assertively, aggressively and not be easily ignored. * Be articulate, persuasive and ...

Sonsoft Inc

Java/J2EE Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

At least 4 years of experience in in Java, J2EE Skills * At least 4 years of experience in ... Experience in Server side programming using Java Servlets, JSP, JDBC, JavaBeans, EJB, log4J.

Damco

Java Developer

O Fallon, MO

$47.75 - $61.75/hr

Sr. Java Developer Key Skills and Experience: * Strong hands on experience in Java(J2ee) * Strong in webservices(microservices), Rest API's, Oracle DB knowledge, Cloud native(preferably AWS or Azure)

Sonsoft Inc

Java J2EE - UI Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

At least 4 years of experience in Server side programming using Core Java, J2EE, Java Servlets, JSP, JDBC, JavaBeans, EJB, log4J. * At least 3 years of experience in development/build tools like ...

Sonsoft Inc

Java J2EE-UI Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

At least 4 years of experience in Server side programming using Core Java, J2EE, Java Servlets, JSP, JDBC, JavaBeans, EJB, log4J. * At least 3 years of experience in development/build tools like ...

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 ... Proficient knowledge of Java & J2EE (including JSP, EJB, JDBC, SQL, XML, HTML and associated ...

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All JobsSr Java J2Ee Developer JobsSr Java J2Ee Developer Jobs in O'Fallon, MO

Sr Java J2Ee Developer information

See O Fallon, MO salary details

$10

$58

$80

How much do sr java j2ee developer jobs pay per hour?

As of Jun 16, 2026, the average hourly pay for sr java j2ee developer in O'Fallon, MO is $58.77, according to ZipRecruiter salary data. Most workers in this role earn between $51.49 and $65.67 per hour, depending on experience, location, and employer.

What is the difference between Sr Java J2Ee Developer vs Java Software Engineer?

AspectSr Java J2Ee DeveloperJava Software Engineer
Required CredentialsBachelor's in CS or related, Java certifications often preferredBachelor's in CS or related, Java certifications beneficial
Work EnvironmentDevelops enterprise applications, often in large teamsDesigns and develops Java applications, may work in teams or individually
Industry UsageCommon in finance, healthcare, and enterprise sectorsUsed across various industries including tech, finance, and startups
Search & Comparison IntentOften compared for seniority, responsibilities, and skillsCompared for roles, skills, and career progression

While both roles involve Java development, Sr Java J2Ee Developers typically focus on enterprise-level applications with more experience and responsibilities, whereas Java Software Engineers may work on a broader range of Java projects, including both enterprise and consumer applications.

What are some common challenges Sr Java J2EE Developers face when working on large-scale enterprise applications?

Sr Java J2EE Developers often encounter challenges such as managing application scalability, ensuring code maintainability, and integrating with legacy systems. Large-scale projects typically involve coordinating with cross-functional teams, which requires effective communication and collaboration skills. Additionally, staying updated with evolving frameworks and best practices is crucial to address performance bottlenecks and maintain security. Proactively addressing these challenges is essential for delivering robust, high-quality enterprise solutions.

What are Sr Java J2EE Developers?

Sr Java J2EE Developers are experienced software engineers who specialize in building, deploying, and maintaining enterprise-level applications using Java and the Java 2 Platform, Enterprise Edition (J2EE). They work with technologies like Servlets, JSP, EJB, and frameworks such as Spring and Hibernate to develop scalable, secure, and reliable software solutions. Senior developers often lead teams, design system architecture, and ensure best coding practices are followed throughout the software development lifecycle.

What are the key skills and qualifications needed to thrive as a Sr Java J2EE Developer, and why are they important?

To thrive as a Sr Java J2EE Developer, you need advanced proficiency in Java programming, expertise in J2EE frameworks, and a bachelor's degree in computer science or a related field. Familiarity with tools like Spring, Hibernate, Maven, RESTful APIs, and version control systems such as Git is typically required. Strong problem-solving abilities, effective communication, and leadership skills make a developer stand out in this senior role. These competencies are crucial for designing robust enterprise applications, collaborating with cross-functional teams, and leading projects to successful completion.
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Sr Java J2Ee Developer jobs near you

Java / J2EE Developer

The Timberline Group

Saint Louis, MO • On-site

$49.50 - $64.25/hr

Other

Medical, Dental, Vision, PTO

Posted 22 days ago

Job description

We strive to keep learning and using the latest technologies from mobile (all platforms) to cloud (Azure) to big data (Hadoop/Cassandra) to IoT. You would work with a team of talented individuals who share a strong passion for problem solving and software. You will be developing application solutions through the complete SDLC in a fun, challenging, and casual environment
Qualifications:
  • BA/BS degree
  • 3+ years of development experience in JAVA/J2EE
  • 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 & J2EE (including JSP, EJB, JDBC, SQL, XML, HTML and associated technologies) and the use of those technologies in n-tier development environments
  • Proficient knowledge is also expected in object-oriented application development principles, theories, and concepts using J2EE specific design patterns and usage
  • Web Services (RestFul & SOAP)
  • Experience with the use of version control systems for code management such as GIT, SVN, CVS
  • Ability to work on your own or with a team
  • Adaptability, organized, and a strong work ethic.
Nice to haves:
  • XML / JSON / HTML / Oracle DB / JavaScript / Angular
What can we offer?
  • 100% premium-paid medical insurance for employee-only-coverage
  • 100% premium-paid dental insurance for employee-only-coverage
  • 100% premium-paid vision insurancefor employee-only-coverage
  • Premium assistance for dependent medical/dental/vision insurance
  • Paid Time Off (PTO)
  • Paid Holidays
  • Educational assistance, some certifications and professional memberships paid
  • Professional Referral Program

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