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Senior Java J2Ee Developer Jobs in Saint Louis, MO

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 +1

$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 ...

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.

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.

The Timberline Group

Java/J2EE Developer

Saint Louis, MO · On-site +1

$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 ...

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.

The Timberline Group

Java / J2EE Developer

Saint Louis, MO · On-site +1

$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 ...

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.

Sonsoft Inc

Java J2EE - UI Developer

Saint Louis, MO

$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 +1

$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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Senior Java J2Ee Developer information

What does a senior Java J2EE developer do?

A Senior Java J2EE Developer is responsible for designing, developing, and maintaining enterprise-level applications using Java and Java 2 Platform, Enterprise Edition (J2EE) technologies. They lead the development process, perform code reviews, and ensure the application is robust, scalable, and secure. Additionally, they collaborate with cross-functional teams to gather requirements, provide technical guidance, and resolve complex software issues.

What are the key skills and qualifications needed to thrive as a senior Java J2EE developer?

To thrive as a Senior Java J2EE Developer, you need advanced expertise in Java, J2EE frameworks (such as Spring or Hibernate), object-oriented programming, and a relevant degree in computer science or related fields. Familiarity with version control systems (like Git), build tools (such as Maven or Gradle), and cloud platforms, along with relevant certifications, is often required. Strong problem-solving, leadership, and communication skills help you collaborate effectively and mentor junior developers. These skills and qualities are essential for delivering robust, scalable applications and leading successful development projects.

What are some common challenges faced by senior Java J2EE developers when working on large-scale enterprise applications?

Senior Java J2EE Developers often encounter challenges such as managing complex codebases, ensuring scalability and performance, and integrating with legacy systems or third-party services. Balancing new feature development with ongoing maintenance and refactoring can also be demanding. Effective communication and collaboration with cross-functional teams, such as DevOps, QA, and front-end developers, are essential to ensure smooth project delivery and address issues promptly.

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

AspectSenior 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 teamsDevelops Java applications, may work on various project sizes
Industry UsageCommon in finance, healthcare, enterprise sectorsUsed across tech, finance, startups, and enterprise
Search & Comparison IntentOften compared for experience level and responsibilitiesCompared for entry to mid-level Java development roles

The main difference between a Senior Java J2Ee Developer and a Java Software Engineer lies in experience and responsibilities. Senior developers typically lead complex projects and mentor junior staff, while Java Software Engineers focus on developing Java applications across various environments. Both roles require similar educational backgrounds and certifications, but seniority impacts scope and leadership expectations.

What cities near Saint Louis, MO are hiring for Senior Java J2Ee Developer jobs?

Cities near Saint Louis, MO with the most Senior Java J2Ee Developer job openings:

Infographic showing various Senior Java J2Ee Developer job openings in Saint Louis, MO as of August 2026, with employment types broken down into 79% Full Time, 6% Part Time, and 15% Contract. Highlights an 83% Physical, 5% Hybrid, and 12% Remote job distribution.

Java/J2EE developer Sr.

kollasoft

Saint Louis, MO • On-site

$49.50 - $64.25/hr

Full-time

Re-posted 21 days ago

Job description

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 organized in their presentation skills.
  • Carry themselves well in-group settings.
  • Listen and promote open communication upward, downward and cross-functionally.
  • Write meaningful complex documents such as program specifications and test plans. Documents should be clear,
  • concise, grammatically correct, and require minimal editing.
  • Communicate effectively with peers, clients, FRIT personnel, and other District personnel. Effectively and accurately
  • Track progress and report status.

Qualifications

Knowledge and Experience:

  1. 10+ years of experience required.
  2. Use and apply technical/business knowledge on both the job and future planning of job deliverables.
  3. Expert on Java EE technologies (specifically JSP/JSF, JDBC, JPA, JAXB, JAXP, Web Services JAX-WS, Maven to build), Angular 2 or above
  4. Expert in open source frameworks (Hibernate, Spring).
  5. Experience with MyFaces, Trinidad, Spring Web Flow, Spring Batch, RichFaces, and Facelets is a plus.
  6. Experience with Eclipse/ RSA, Oracle, WebLogic, WebSphere, & web services.
  7. Working knowledge with Angular is a plus.
  8. Must be familiar with implementing standard best practices (e.g. secure programming, Java patterns, test first development.)
  9. Provide expert technical mentoring on the tools used for a specific project and how to get the most out of the tools.
  10. Provide fully documented work, instruction, and training to peers as required.


Thanks,

Rick Martin 

 (480) 779-6123 Ext : 112