1

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

Fullstack Java Developer

Saint Louis, MO · On-site

$51 - $65.75/hr

Ability to thrive in a team-oriented, fast-paced environment Qualifications Fullstack Java Developer Additional Information All your information will be kept confidential according to EEO guidelines.

Fullstack Java Developer

Saint Louis, MO · On-site

$51 - $65.75/hr

Ability to thrive in a team-oriented, fast-paced environment Qualifications Fullstack Java Developer Additional Information All your information will be kept confidential according to EEO guidelines.

Java Developer with Scala

Saint Louis, MO · On-site

$49.50 - $64.25/hr

We are seeking a highly skilled Java Developer with Scala with strong expertise in Java, Scala to design, develop, and optimize scalable applications. The ideal candidate will have a deep ...

FULL STACK JAVA DEVELOPER

Lake Saint Louis, MO · On-site

$49.75 - $64.25/hr

JOB TITLE: FULL STACK JAVA DEVELOPER DURATION: 12 MONTHS CONTRACT ON W2 LOCATION: 100% REMOTE RESPONSIBILITIES: * Interacts with the business analysis team to understand project requirements.

FULL STACK JAVA DEVELOPER

Lake Saint Louis, MO · On-site

$49.75 - $64.25/hr

JOB TITLE: FULL STACK JAVA DEVELOPER DURATION: 12 MONTHS CONTRACT ON W2 LOCATION: 100% REMOTE RESPONSIBILITIES: * Interacts with the business analysis team to understand project requirements.

Java Developer

Chesterfield, MO

$50.50 - $65.25/hr

Over the last five years, our client base of Fortune 100 companies has expanded dramatically Knowledge in C, C++, Java, .NET ,QA,BA and other programming languages will be helpful. Experience in ...

Senior Software Engineer - Java Developer

MO · On-site

$53.50 - $68.25/hr

... Java Developer) Location: O'fallon, Missouri Duration: 24 months Experiece: 7+ years Skills summary: • Advanced in with Linux and Java development (JDK 1.7 or greater), design patterns, threading ...

Java Developer

Saint Louis, MO

$49.50 - $64.25/hr

... in Java & Unix. Assist production support of applications in PROD and Pre PROD. Conduct unit ... oriented analysis, design, and programming experience and SOLID principles Experience in ...

Java Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

... in Java & Unix. • Assist production support of applications in PROD and Pre PROD. • Conduct ... and programming experience and SOLID principles • Experience in implementing various design ...

Java Developer - Consultant

Lake Saint Louis, MO · On-site

$48.25 - $62.50/hr

Java Consultant Location: St. Louis, MO Experience: 8+ years Duration: 12+ months Role: * Hands-on developer who writes high quality, secure code that is modular, functional and testable. * Lead the ...

Java Developer

Saint Louis, MO

$49.50 - $64.25/hr

The Java Developer will be responsible for the following: * Design, develop, and configures software systems to meet market and/or client requirements either end-to-end from analysis, design ...

Sr. Java Developer

Saint Louis, MO · On-site

$55.75 - $71/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. Core Java (Mandatory) Web Service [REST and SOAP] (Mandatory) Hibernate or ...

Sr. Java Developer

Saint Louis, MO · On-site

$55.75 - $71/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. Core Java (Mandatory) Web Service [REST and SOAP] (Mandatory) Hibernate or ...

next page

Showing results 1-20

Junior Java Developer information

See Ballwin, MO salary details

$59.3K

$103.9K

$156.6K

How much do junior java developer jobs pay per year?

As of Jun 27, 2026, the average yearly pay for junior java developer in Ballwin, MO is $103,878.00, according to ZipRecruiter salary data. Most workers in this role earn between $73,400.00 and $103,600.00 per year, depending on experience, location, and employer.

What is the difference between Junior Java Developer vs Java Developer?

AspectJunior Java DeveloperJava Developer
Required Experience0-2 years2+ years
CertificationsOptional, entry-level certificationsOptional, advanced certifications
Work EnvironmentSupportive, learning-focused teamsProject-driven, independent roles
ResponsibilitiesAssist in coding, bug fixing, learning frameworksDesign, develop, maintain Java applications

The main difference between a Junior Java Developer and a Java Developer lies in experience, responsibilities, and independence. Junior Java Developers are typically entry-level, focusing on learning and supporting tasks, while Java Developers have more experience and handle complex development projects independently.

What are Junior Java Developers?

Junior Java Developers are entry-level software engineers who specialize in building and maintaining applications using the Java programming language. They typically work under the supervision of more experienced developers and are responsible for writing code, debugging, and participating in code reviews. Their tasks may also include testing software, learning new frameworks, and assisting with the design and implementation of features. Junior Java Developers usually have foundational knowledge of Java and related technologies, and they are eager to develop their skills through hands-on experience.

Is Java outdated in 2026?

Java remains a widely used programming language for junior Java developers in 2026, with ongoing updates and a large ecosystem supporting enterprise applications, Android development, and backend systems. Its stability, extensive libraries, and strong community ensure its relevance, though developers should stay current with new features and frameworks to remain competitive.

Which pays more, C++ or Java?

For a Junior Java Developer, salaries for C++ and Java roles can vary based on location, industry, and experience, but generally, C++ positions tend to offer slightly higher starting salaries due to its use in high-performance applications like gaming and finance. However, Java remains widely used in enterprise environments with competitive pay. Both skills are valuable, and salary differences are often influenced by specific job requirements and demand in the tech market.

What Does a Junior Java Developer Do?

Junior Java developers are entry-level programmers who are part of a team of coders and developers. They work on both front-end and back-end codes to build an application. Being a junior Java developer requires extensive knowledge of coding and the program language JavaScript to develop and troubleshoot products. As a junior Java developer, you run tests to pinpoint errors, migrate code and data, and ensure the program is integrated with other company developments.

Is AI replacing Java developers?

AI tools can automate certain coding tasks and improve efficiency for Java developers, but they are not replacing the need for human programmers. Java developers are still essential for designing, maintaining, and understanding complex systems, as well as integrating AI technologies into applications. Skills in problem-solving, debugging, and system architecture remain critical in the field.

What are some common challenges a Junior Java Developer might face during their first year, and how can they overcome them?

Junior Java Developers often encounter challenges such as understanding large codebases, adapting to agile development processes, and managing task priorities. To overcome these hurdles, it’s helpful to proactively seek mentorship from senior developers, regularly review documentation, and participate in code reviews. Effective communication with team members also accelerates learning and helps clarify requirements or technical uncertainties. Embracing continuous learning through online resources and hands-on projects will further strengthen your skills and confidence.

Is Java developer still in demand?

Java developers remain in high demand due to the language's widespread use in enterprise applications, Android development, and backend systems. Skills in frameworks like Spring and knowledge of cloud environments can enhance job prospects in this field.

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

A Junior Java Developer should have a solid understanding of Java programming, object-oriented principles, and basic software development concepts, often supported by a relevant degree or coding bootcamp. Familiarity with tools such as IntelliJ IDEA or Eclipse, version control systems like Git, and frameworks like Spring Boot is typically expected. Strong problem-solving abilities, attention to detail, and effective teamwork are important soft skills in this role. These competencies enable efficient code development, smooth collaboration, and the ability to quickly adapt to new technologies and project requirements.
What are the most commonly searched types of Java Developer jobs in Ballwin, MO? The most popular types of Java Developer jobs in Ballwin, MO are:
What are popular job titles related to Junior Java Developer jobs in Ballwin, MO? For Junior Java Developer jobs in Ballwin, MO, the most frequently searched job titles are:
What job categories do people searching Junior Java Developer jobs in Ballwin, MO look for? The top searched job categories for Junior Java Developer jobs in Ballwin, MO are:
What cities near Ballwin, MO are hiring for Junior Java Developer jobs? Cities near Ballwin, MO with the most Junior Java Developer job openings:
Java Software Development Engineering

Java Software Development Engineering

TriOptus LLC

Lake Saint Louis, MO • On-site

$54.25 - $69.25/hr

Contractor

Posted 28 days ago


Job description

Job Title: Java Developer/Sr. Java Developer (Multiple roles)
Location: St. Louis, MO
Experience: 3+ year for Java Developer Roles / 5+ years for Sr. Java Developer Roles
Duration: 12+ months
Role:
  • Hands-on developer who writes high quality, secure code that is modular, functional and testable.
  • Lead the design, implementation, and delivery for engineering efforts spanning 1-2 teams.
  • Contribute to all parts of the software's development including design, development, documentation, and testing.
  • Have strong ownership of your team's software and are deep in the maintenance characteristics, runtime properties and dependencies including hardware, operating system, and build.
  • Communicate, collaborate and work effectively in a global environment.

Education and Experience:
  • Degree in Computer Science or related field
  • Strong foundation in algorithms, data structures and core computer science concepts.
  • Evidence of working with object-oriented development and design patterns.
  • Proficiency in multiple modern programming languages such as Java, Python, C++ etc.
  • Strong written and verbal English communications skills.
  • Strong analytical and excellent problem solving skills.
  • Experience working in an Agile environment.
  • Strong communication skills - both verbal and written
  • 5 or more years of related work experience.
  • Experience with XP, TDD and BDD in the software development processes
  • Advantage if you have payments expertise and experience/proficiency with cloud technologies (IaaS, PaaS, serverless technology, NoSQL databases), micro-service design, CI/CD, near real-time, scalable fault tolerant platform design, API design, and distributed systems operations in a DevOps model.