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Java Certification Jobs in Missouri (NOW HIRING)

Senior Java Developer

O Fallon, MO

$53.50 - $68.25/hr

Establish technical requirements for authentication certification programs All About You: The ideal candidate would have the following skills: * Knowledge of advanced authentication techniques on ...

... certifications. • Experienced software engineer or developer candidates will be considered for ... Java, .Net, C#, Visual Basic, etc.) preferably on automation and/or integration projects is ...

... certifications. • Experienced software engineer or developer candidates will be considered for ... Java, .Net, C#, Visual Basic, etc.) preferably on automation and/or integration projects is ...

... experience and certifications. Experienced software engineer or developer candidates will be ... Programming or development experience (R, Python, Java, .Net, C#, Visual Basic, etc.) preferably on ...

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

See Missouri salary details

$14

$53

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How much do java certification jobs pay per hour?

As of Jun 3, 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.

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.

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 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 jobs can Java get you?

Java certification can lead to roles such as Java developer, software engineer, backend developer, or application programmer. These jobs typically require knowledge of Java programming, object-oriented design, and related tools like IDEs and frameworks, often involving working in teams on software development projects.
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 May 2026, with employment types broken down into 75% Full Time, and 25% Contract. Highlights an 75% In-person, and 25% Remote job distribution, with an average salary of $110,620 per year, or $53.2 per hour.
Senior Software Engineer - Java Full Stack Engineer

Senior Software Engineer - Java Full Stack Engineer

Mastercard, Inc.

O Fallon, MO • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 14 days ago


Job description

Our Purpose
Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.
Title and Summary
Senior Software Engineer - Java Full Stack Engineer
All About Us
MasterCard is a technology company in the global payments business. We connect consumers, financial institutions, merchants, governments, and businesses worldwide and enable them to use secure and convenient electronic forms of payment.
Join the industry's most passionate, motivated & engaged global team - Our employees are encouraged to drive innovation every day in support of a more connected world - A World Beyond Cash.
Overview:
The MasterCard B&MI Technology development team is engaged in working with new and innovative technologies to build business solutions that keep MasterCard positioned as a leader in delivering value added business analytic and reporting solutions to our diverse customer base. We work collaboratively with our product partners and other technical teams to continuously improve and enhance our existing products and drive new products to the global marketplace. We are currently seeking candidates that will be responsible to support the technical lead in overall architecture, design and produce a high-quality code using different languages.
Role:
• This position is a member of the MasterCard B&MI Technology focusing on development of Enterprise Application Development using Java tech stack and Angular/React as the Front-end technologies.
• Participate in the gathering of business requirements.
• Ensure software designs align with MasterCard's Enterprise Architecture and leverage our enterprise services.
• Ensure product development meets MasterCard's business needs.
• Ensure development teams use the appropriate MasterCard standard development methodologies and follow our technology standards, and that all projects and development are appropriately documented.
• Ensure that software and system design and delivery support the goal of zero down time in production.
• Work closely with business partners on product definition, product roadmaps, business case development, and overall direction for the team.
• Respond to operational and business concerns or issues relative to future business programs, projects, or enhancements to ensure consistent delivery of quality services.
• Ensure development supports all appropriate certifications and compliance requirements, including those for PCI, GLBA, Safe Harbor, and others.
• Responsible for performance engineering of the enterprise software architecture, and providing functional guidance, advice, and/or training to other application developers.
• Responsible for designing, developing, testing, delivering, and monitoring scalable and secure cloud architectures, using various AWS cloud and cloud native platforms, such as EC2, ECS, S3.
• Need to improve and expand the existing platform by ensuring that it is resilient, secure, and scalable.
All About You:
• Bachelor's degree in Information Systems, Information Technology, Computer Science or Engineering or equivalent work experience.
• More than 7 years of industry experience
• Excellent Communication skills required to interact across multiple organizational levels of internal and external customer groups.
• Strong analytical and problem-solving abilities, with quick adaptation to new technologies, methodologies, and systems
• High-energy, detailed-oriented, proactive, and able to function under pressure in an independent environment along with a high degree of initiative and self-motivation to drive results.
• Strong interpersonal, relationship-building with a solid track record for developing internal and external.
• Proficient working with J2EE, Java 8 or higher, JSP, Servlets, Spring 5, Hibernate, and Database (Oracle, SQL Server)
• Experience with SQL and NO SQL databases like MySQL, Postgres, MongoDb etc.
• Experience in the following a plus: Web Services - SOAP/ RESTFul, Servers - WebSphere/JBOSS/Tomcat, HTML/ javascript/ JQuery, UNIX ( Shell, awk scripting), XML/ XSLT, CSS, C Sharp, React / Angular , IDE (Microsoft Visual Studio, RAD/ Eclipse)
• Experience with various tools(Maven, Gradle, Jenkins, Chef, Sonar) and methodologies ( Waterfall, Agile)
• Prior experience in Cloud Native Application Development
Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.
Corporate Security Responsibility
All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:
  • Abide by Mastercard's security policies and practices;
  • Ensure the confidentiality and integrity of the information being accessed;
  • Report any suspected information security violation or breach, and
  • Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines.

In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations.
Pay Ranges
O'Fallon, Missouri: $115,000 - $184,000 USD