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Java Application Developer Jobs in Ballwin, MO (NOW HIRING)

Synthesis Systems

Full Stack Java Developer

Creve Coeur, MO · On-site

$49.25 - $63.50/hr

Our extensive knowledge spans across all application tiers. Since, we were founded in 2003 ... The Full Stack Developer provides frontend and backend development support. The successful ...

Xforia, Inc.

Java Developer

Lake Saint Louis, MO · On-site

$48.25 - $62.50/hr

Actively participate in application design, database design, schema layout, and data loading ... years of Angular and Java experience. * Experience with Spring framework, JPA and Hibernate.

Synthesis Systems

Full Stack Java Developer

Creve Coeur, MO · On-site

$49.25 - $63.50/hr

Our extensive knowledge spans across all application tiers. Since, we were founded in 2003 ... The Full Stack Developer provides frontend and backend development support. The successful ...

Palnar

Backend Java Engineer W/IBM MQ Exp

O Fallon, MO · On-site

$47.25 - $61.25/hr

... Engineer (Specialty) - Level 7 Location: O'Fallon, MO/Hybrid Duration: 12 months * Java ... Application uses ibm iib service aggregation iib or ace good to have not mandatory skills these are ...

TecTammina

Drools / JBOSS Developer

Saint Louis, MO

$49.50 - $64.25/hr

Application Designer/Developer for Redhat DROOLS Business Rules Management System [BRMS]. Develop ... Guvnor Design and develop Java Business Object Model (BOM) Architect and implement a highly ...

Tata Consultancy Service Limited

Java Lead

O Fallon, MO · On-site

$90K - $120K/yr

... • Programming & Scripting Languages (2 or more of Java, C++, Scala, JS, Python, Shell*) • Spring, Spring Boot • Web application frameworks like AngularJS, Spring) • Analytical and Problem ...

Tata Consultancy Service Limited

Java Lead

O Fallon, MO · On-site

$90K - $120K/yr

... • Programming & Scripting Languages (2 or more of Java, C++, Scala, JS, Python, Shell*) • Spring, Spring Boot • Web application frameworks like AngularJS, Spring) • Analytical and Problem ...

Avance Consulting Services

Java

Saint Louis, MO · On-site

$49.50 - $64.25/hr

It provides strategic business consulting, technology, engineering and outsourcing services to help ... All selected profiles will be contacted within 1 day of application receipt Hi Hope you are ding ...

AG Technologies

Junior JAVA Devloper

Chesterfield, MO

$300/wk

... Engineering, Math or Information Systems from an accredited university or equivalent work experience in lieu of degree. A minimum of 2 years of relevant work experience with Java/J2EE application ...

Atria Group LLC

Java with Spring and Hibernate

O Fallon, MO · On-site

$47.75 - $61.75/hr

Our company provides application analysis, design, development and programming, software ... Lead having 6-8 yrs of exp Proficient with J2EE, Java 1.4 or higher, JSP, Servlets, EJB, struts ...

The Timberline Group

Angular Developer

Saint Louis, MO · On-site +1

$53.25 - $65.25/hr

This person will work with user experience designers and application developers. This role will ... A Plus - Back-end / Java development skills: 3+ years Java development, solid knowledge of Object ...

AG Technologies

Junior JAVA Devloper

Chesterfield, MO

$300/wk

... Engineering, Math or Information Systems from an accredited university or equivalent work experience in lieu of degree. A minimum of 2 years of relevant work experience with Java/J2EE application ...

The Timberline Group

Angular Developer

Saint Louis, MO · On-site

$53.25 - $65.25/hr

This person will work with user experience designers and application developers. This role will ... A Plus - Back-end / Java development skills: 3+ years Java development, solid knowledge of Object ...

Palnar

Sr. Java Full Stack Developer

O Fallon, MO · On-site

$49 - $63.25/hr

Understanding of web application optimizations such as progressive web apps, web workers, browser ... Have proficiency in Quality engineering and experience working with Quality leads to define ...

CYNET SYSTEMS

Java Full Stack Developer

Saint Louis, MO · On-site

$50/hr

Java/JEE, Spring, Spring boot, REST/SOAP web services, Hibernate, SQL, Tomcat, Application servers ... Skills in UML, application designing/architecture, Design Patterns. * Angular (2.x or latest ...

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All JobsJava Application Developer JobsJava Application Developer Jobs in Ballwin, MO

Java Application Developer information

See Ballwin, MO salary details

$24

$56

$82

How much do java application developer jobs pay per hour?

As of Jul 9, 2026, the average hourly pay for java application developer in Ballwin, MO is $56.82, according to ZipRecruiter salary data. Most workers in this role earn between $46.73 and $67.31 per hour, depending on experience, location, and employer.

What is the difference between Java Application Developer vs Java Software Engineer?

AspectJava Application DeveloperJava Software Engineer
Required CredentialsBachelor's in Computer Science or related field, Java certificationsBachelor's in Computer Science or related field, Java certifications
Work EnvironmentDevelops, tests, and maintains Java applicationsDesigns and implements Java-based solutions, often involved in architecture
Employer & Industry UsageTech companies, software firms, enterprise applicationsTech firms, consulting, enterprise software development
Common Search & ComparisonFocuses on application development tasksBroader role including system design and architecture

Java Application Developers primarily focus on building, testing, and maintaining Java applications, while Java Software Engineers often have a broader role involving system design and architecture. Both roles require similar credentials and are used across tech and enterprise industries, but their day-to-day responsibilities differ slightly.

What are some common challenges Java Application Developers face when working on large-scale enterprise projects?

Java Application Developers working on large-scale enterprise projects often encounter challenges such as managing complex codebases, ensuring application scalability, and maintaining robust security practices. Coordinating with cross-functional teams like QA, DevOps, and UI/UX can also present integration and communication hurdles. Staying up-to-date with evolving Java frameworks and best practices is essential to address performance bottlenecks and optimize application efficiency. Proactive problem-solving and effective collaboration are key to overcoming these challenges.

What does a Java Application Developer do?

A Java Application Developer designs, develops, and maintains software applications using the Java programming language. They are responsible for writing clean, efficient code, debugging and resolving technical issues, and collaborating with other developers, designers, and stakeholders to ensure applications meet user needs. Java Application Developers often work on both frontend and backend components, integrate databases, and ensure the security and scalability of applications. They may also participate in code reviews, testing, and documentation throughout the software development lifecycle.

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

To thrive as a Java Application Developer, you need strong proficiency in Java programming, object-oriented design, and a solid understanding of software development principles, typically supported by a degree in computer science or a related field. Familiarity with frameworks like Spring or Hibernate, version control systems such as Git, and experience with build tools and IDEs are highly valued, and certifications like Oracle Certified Professional Java Programmer can be advantageous. Excellent problem-solving abilities, effective communication, and strong teamwork skills set top developers apart. These competencies ensure the delivery of robust, maintainable applications and facilitate collaboration in dynamic development environments.
What are popular job titles related to Java Application Developer jobs in Ballwin, MO? For Java Application Developer jobs in Ballwin, MO, the most frequently searched job titles are:
What cities near Ballwin, MO are hiring for Java Application Developer jobs? Cities near Ballwin, MO with the most Java Application Developer job openings:
Java Application Developer jobs near you
Full Stack Java Developer

Full Stack Java Developer

Synthesis Systems

Creve Coeur, MO • On-site

$49.25 - $63.50/hr

Contractor

Re-posted 20 days ago

Job description

Company Description
Synthesis has extensive experience building large-scale, enterprise systems for government and commercial clients. We specialize in developing AI, Big Data, Data Analytics, iOS, Android, JEE, Portals, and database-driven applications. Our extensive knowledge spans across all application tiers. Since, we were founded in 2003, Synthesis has been delivering large-scale systems based on design patterns, service-oriented architectures, dynamic and intutive web interfaces, and web services. Our clients include Fortune 100 companies and a number of government agencies.
Job Description
The Full Stack Developer provides frontend and backend development support. The successful candidate will also provide best practices to design single-page architecture (SPA) applications and micro services using cutting edge and open source technologies including J2EE, Node.JS, RESTful, HTML5, Angular, JavaScript, and AWS technologies. The individual will work in an agile environment to support short sprints and rapid delivery of releases.
Qualifications
Hands on experience on React JS,NodeJS, Redux, Java and Postgres SQL on AWS platform
Hands on experience on Vue. JS, Java and Postgres SQL on AWS platform
Overall 6+ years of Candidate experience needed
Good Communication skills
Hands on Experience on the JS
Must have experience :
NodeJS
ReactJs
AWS
Micro-Services
Additional Information
All your information will be kept confidential according to EEO guidelines.
This is a contract position and independent contractors welcomed.

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