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Java Certification Jobs in Missouri (NOW HIRING)

Senior Level Software Developer

Saint Louis, MO · On-site

$53 - $70/hr

Java, JavaScript or Python enterprise application development. Web services architecture, design ... Certified Scrum Master. Agile Certified Practitioner (PMI-ACP). Certified Scrum Professional.

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Java Certification information

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How much do java certification jobs pay per hour?

As of Jul 15, 2026, the average hourly pay for java certification in Missouri is $53.18, according to ZipRecruiter salary data. Most workers in this role earn between $46.01 and $59.52 per hour, depending on experience, location, and employer.

Which pays more, C++ or Java?

For Java certification professionals, salaries generally depend on experience, location, and industry. Typically, C++ developers may earn slightly higher salaries due to specialized skills, but Java developers with certifications and experience are also well-compensated, especially in enterprise environments. Overall, salary differences are often minimal and influenced more by job role and expertise than language alone.

Are Java certifications worth it?

Java certifications can enhance a Java developer's resume by validating their skills in core Java concepts, frameworks, and tools. They may improve job prospects and salary potential, especially for entry-level or specialized roles, but practical experience and project work are also highly valued by employers.

What are some common challenges faced when preparing for a Java Certification role, and how can candidates overcome them?

Candidates pursuing a Java Certification role often encounter challenges such as mastering complex programming concepts, staying updated with the latest Java versions, and managing time effectively during preparation. To overcome these obstacles, it's helpful to follow a structured study plan, utilize official Oracle documentation, and practice with real-world coding projects or mock exams. Collaborating with study groups or mentors can also provide valuable insights and support throughout the certification journey.

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 a solid understanding of Java programming, object-oriented design, and software development principles, often validated by a degree in computer science or a Java certification. Familiarity with tools like Eclipse or IntelliJ IDEA, build systems like Maven or Gradle, and frameworks such as Spring is typically required. Problem-solving ability, teamwork, and strong communication skills help developers collaborate effectively and adapt to changing project needs. These competencies are crucial to delivering robust, maintainable software solutions in dynamic development environments.

Are Java jobs still in demand?

Java developer roles remain in high demand due to the language's widespread use in enterprise applications, Android development, and backend systems. Proficiency in Java, along with knowledge of frameworks like Spring and tools such as Maven, can enhance job prospects in this field.

What jobs can you get with a Java certification?

A Java certification can qualify you for roles such as Java Developer, Software Engineer, Application Developer, or Backend Developer. These positions typically involve designing, coding, and maintaining Java-based applications and require knowledge of Java frameworks, tools, and development environments.

What is a Java Certification?

A Java Certification is a professional credential that demonstrates your expertise in the Java programming language. It is typically awarded by recognized organizations such as Oracle after you pass an exam that tests your knowledge of Java concepts, syntax, and best practices. Obtaining a Java Certification can help validate your skills to employers, increase your job prospects, and potentially lead to higher salaries. There are several levels of Java Certification, ranging from associate to expert, allowing individuals to showcase their proficiency at different stages of their careers.
What are popular job titles related to Java Certification jobs in Missouri? For Java Certification jobs in Missouri, the most frequently searched job titles are:
What job categories do people searching Java Certification jobs in Missouri look for? The top searched job categories for Java Certification jobs in Missouri are:
Infographic showing various Java Certification job openings in Missouri as of July 2026, with employment types broken down into 3% As Needed, 72% Full Time, 18% Part Time, 1% Temporary, and 6% Contract. Highlights an 96% Physical, 1% Hybrid, and 3% Remote job distribution, with an average salary of $110,620 per year, or $53.2 per hour.
Information Technology Specialist - Java Applications Developer

Information Technology Specialist - Java Applications Developer

US Department of the Treasury

Saint Louis, MO

$89K/yr

Other

Posted 3 days ago

New


U.S. Department Of The Treasury rating

8.2

Company rating: 8.2 out of 10

Based on 13 frontline employees who took The Breakroom Quiz

237th of 693 rated public administrative organizations


Job description


WHAT IS INFORMATION TECHNOLOGY?
A description of the business units can be found at: https://www.jobs.irs.gov/about/who/business-divisions

  • Position(s) are to be filled in the following area(s):
    • IT - Filing Season and Legislative Delivery
    • Consider each location carefully when applying. If you are selected for a location, that location will become your official post of duty.

REVIEW THE ADDITIONAL INFORMATION BELOW FOR FURTHER DETAILSQualifications:

Federal experience is not required. Experience may have been gained in the public sector, private sector or through Volunteer Service. One year of experience refers to full-time work; part-timework is considered on a prorated basis. To ensure full credit for your work experience, please indicate dates of employment by month/day/year, and indicate number of hours worked per week, on your resume.
You must meet the following requirements by the closing date of this announcement.
MINIMUM REQUIREMENTS FOR GRADE 12 LEVEL UP (GS or Equivalent) You must have Information Technology related experience demonstrating each of the following nine competencies: 1) Attention to Detail, 2) Customer Service, 3) Decision Making, 4) Information Management, 5) Interpersonal Skills, 6) Oral Communication, 7) Problem Solving, 8) Team Work and 9) Technical Competence.
GS-12 SPECIALIZED EXPERIENCE: You must have one year of specialized experience at a level of difficulty and responsibility equivalent to the GS-11 grade level in the Federal service. Specialized experience for this position includes:

  • Applying established IT principles, concepts, methods, and practices to support, maintain, implement, troubleshoot, or make limited enhancements to IT systems, services, hardware, software, applications, scripts, interfaces, or related technology environments.
  • Performing computer projects, operational, or application-related assignments involving IT requirements and techniques, including identifying and resolving technical issues.
  • Supporting system, application, or code testing and configuration; preparing technical documentation; and supporting compliance with federal cybersecurity, privacy, or regulatory requirements.
  • Working with customers, users, stakeholders, or technical teams to gather information, clarify user needs, respond to technical support requests, resolve non-routine IT problems, and support IT operations, application needs, or system-related activities.
  • Monitoring or reviewing IT systems, services, or application performance to support availability, reliability, security controls, usability, and operational effectiveness in accordance with established policies and procedures.
  • Analyzing alternative approaches and recommending or supporting corrective actions for IT issues, including application errors, defects, configuration issues, or operational problems; escalating issues when appropriate; and coordinating with others to implement solutions that support mission, security, and performance requirements.
  • Applying Java SE and JEE, Java Applets, Web Programming Skills, Web User Interface Design, Software Requirements, Software Development Process, Object-Oriented Design (OOD), and Software Debugging to create applications.
  • Utilizing requirement-analysis principles and methods; commercial off-the-shelf software (COTS) products and components; and Internet technologies to analyze the potential of systems, networks, and data as well as new and emerging information technologies and/or industry trends.
  • Designing/developing software applications for multiple environments, including the web (Internet and/or Intranet) as well as presentation layer, business layer, and data layer; designing applications, establishing interfaces, and associated technologies sufficient to improve the application's site's architecture; conduct software analysis; and program, test, and debug programs or documentation.
  • Create technical documentation such as Computer Operator Handbooks, system flow diagrams and System Design Documents.

AND
You must also meet the following requirements

  • MINIMUM AGE REQUIREMENT: Minimum age for federal employment is 18 years old, or at least 16 years old and have:
    • Graduated from high school or been awarded a certificate equivalent to graduating from high school; or
    • Completed a formal vocational training program; or
    • Received a statement from school authorities agreeing with your preference for employment rather than continuing your education.

For more information on qualifications please refer to OPM's Qualifications Standards.

Education:A college or university degree generally must be from an accredited (or pre-accredited) college or university recognized by the U.S. Department of Education. For a list of schools which meet these criteria, please refer to Department of Education Accreditation page.
FOREIGN EDUCATION: Education completed in foreign colleges or universities may be used to meet the requirements. You must show proof the education credentials have been deemed to be at least equivalent to that gained in conventional U.S. education program. It is your responsibility to provide such evidence when applying. Click here (Section 3, Explanation of Terms) or here for Foreign Education Credentialing instructions.
We recommend choosing an evaluator from a member organization of one of the following national associations of credential evaluation services: National Association of Credential Evaluation Services (NACES) or Association of International Credentials Evaluators (AICE).Employment Type: OTHER

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