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

AG Technologies

Junior JAVA Devloper

Chesterfield, MO

$300/wk

... engineering, interfacing, integration of hardware and software systems to include an understanding ... Experience in Java development This position requires a TS/SCI clearance with a polygraph.

AG Technologies

Junior JAVA Devloper

Chesterfield, MO

$300/wk

... engineering, interfacing, integration of hardware and software systems to include an understanding ... Experience in Java development This position requires a TS/SCI clearance with a polygraph.

Artius Solutions

Lead Java Engineer

Saint Louis, MO · On-site

$140K - $150K/yr

Mentor and support junior engineers; take part in hiring, onboarding, and technical knowledge ... Java 21 preferred): including lambda expressions, Stream API, CompletableFuture, Virtual Threads ...

Software Technology Inc

Java Developer

Maryland Heights, MO · On-site

$49.25 - $63.75/hr

... for Java EE Developers, GitHub, Jira, Jenkins, shell scripting. Requires advanced knowledge of ... Provide mentorship and coaching to entry, junior and associate level team members, including ...

Deloitte

Automation Engineer

Saint Louis, MO · Hybrid

Collaborate closely with Java developers, Mainframe engineers, product managers, and project ... Document automation architecture, processes, and operating procedures, while mentoring junior ...

Deloitte

Senior Automation Engineer

Saint Louis, MO · Hybrid

$101K - $132K/yr

Collaborate closely with Java developers, Mainframe engineers, product managers, and project ... Document automation architecture, processes, and operating procedures, while mentoring junior ...

Staffingine LLC

Automation Engineer

Saint Louis, MO · On-site

... and Selenium Java Testing to drive quality assurance initiatives * Collaborate with cross ... junior team members and share best practices in test automation and quality assurance Skills ...

Navstar

Junior/Mid Software Engineer

Saint Louis, MO · On-site

Software Engineer Full description are you passionate about cutting-edge technology and solving ... Proven 1-6 years experience in developing software using modern languages such as python, java, and ...

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All JobsJunior Java Programmer JobsJunior Java Programmer Jobs in Ballwin, MO

Junior Java Programmer information

See Ballwin, MO salary details

$59.3K

$103.9K

$156.6K

How much do junior java programmer jobs pay per year?

As of Jun 23, 2026, the average yearly pay for junior java programmer 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 are the key skills and qualifications needed to thrive as a Junior Java Programmer, and why are they important?

To thrive as a Junior Java Programmer, you need a solid understanding of Java programming, object-oriented concepts, and a relevant degree or coursework in computer science. Familiarity with development environments like Eclipse or IntelliJ IDEA, version control systems such as Git, and basic knowledge of databases are typically required. Strong problem-solving skills, attention to detail, and the ability to communicate effectively within a team are important soft skills. These competencies are crucial for delivering clean, maintainable code and collaborating efficiently on software projects.

What are Junior Java Programmers?

Junior Java Programmers are entry-level software developers who specialize in writing, testing, and maintaining code using the Java programming language. They typically work under the supervision of more experienced developers and assist in developing applications, debugging issues, and learning best practices in software development. Their responsibilities often include understanding project requirements, writing clean code, and collaborating with team members to deliver high-quality software solutions. This role is ideal for individuals who have foundational knowledge of Java and are looking to gain professional experience in the field.

What types of projects or tasks can a Junior Java Programmer expect to work on in their first year?

As a Junior Java Programmer, you can expect to work on a variety of tasks such as debugging existing code, writing unit tests, developing small features, and assisting with backend development on larger projects. You'll often collaborate closely with senior developers and participate in code reviews to learn best practices. Many organizations assign juniors to maintenance tasks or simpler modules at first, gradually increasing responsibility as you build confidence and technical skills. This hands-on experience is invaluable for understanding software development workflows and improving your coding abilities.

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

AspectJunior Java ProgrammerJava Developer
Required CredentialsBasic Java certifications, some programming experienceAdvanced Java certifications, multiple years of experience
Work EnvironmentEntry-level projects, supervised tasksDesign, develop, and maintain complex applications
Employer & Industry UsageTech companies, startups, IT departmentsSoftware firms, enterprise solutions, large-scale projects

While Junior Java Programmers focus on learning and executing basic Java tasks under supervision, Java Developers handle more complex development responsibilities, including designing and implementing software solutions. The roles differ mainly in experience level and scope of work, but both require a solid understanding of Java programming.

Junior Java Programmer jobs near you
Infographic showing various Junior Java Programmer job openings in Ballwin, MO as of June 2026, with employment types broken down into 1% Internship, 69% Full Time, 8% Part Time, 5% Temporary, 16% Contract, and 1% Nights. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $103,878 per year, or $49.9 per hour.
Junior Java Developer: Mastercard

Junior Java Developer: Mastercard

ShiftCode Analytics

O Fallon, MO • Hybrid

Other

This job post has expired today. Applications are no longer accepted.

Job description

Junior Java Developer

Interview: Coding Test + F2F interview This is hybrid from day-1 (Need only local candidates) Visa: USC, GC, GC EAD, H4, L2

Description: We are looking for more junior Java developers that have experience with testing that are looking to get into testing.

Biggest thing will be confidence with reading code and implementing changes. Must have Java Development experience.

Role:
  • Develop test plans from high level design documents
  • Write/execute functional, integration and User Acceptance Testing (UAT) tests
  • Review traces/logs to ensure all test paths were covered
  • Conduct root cause analysis to create detailed defects the development teams can quickly address
  • Identify and remove all blockers to ensure all testing is completed on time
  • Work with the QA team to move tests to the regression suite
Skills:
  • Can understand complex systems and identify and design automated and manual test scenarios to strengthen existing test coverage.
  • In-depth knowledge of test strategies, e.g. Chaos testing, mutation testing.
  • Proven experience in elevating test standards and spearheading quality initiatives.
  • Prior experience in leading a small quality team an advantage.
  • Excellent communication, documentation and collaboration skills.
  • Show initiative and demonstrate a willingness to take on challenging opportunities and navigate ambiguity.
  • A critical thinker who brings vision and insights to how we test and can influence others.
  • Experience with Unit Testing and Test-Driven Development methodologies
  • Excellent hands-on test automaton skills in Java with experience in unit, functional and integration testing.
  • Expert in full stack software development test approaches & frameworks: TDD/BDD, Unit tests, Cucumber, Spock, Groovy, Cypress.
Required Qualifications:
  • Bachelor's degree in Computer Science, or related technical discipline AND over 7 years of technical experience as a software and/or test engineer
Preferred Qualifications:
  • Experience with C
  • Experience with Linux
  • Experience with ISO 8583 standard
  • Experience with the t3:Switch payment testing platform
ShiftCode Analytics logo

About ShiftCode Analytics

Sourced by ZipRecruiter

We specialize in solid end-to-end delivery of tailor-made technology solutions designed by the Top 1% Software Engineering teams. Our innate digital leadership identity powers transformation across every industry. We are always ready to drive meaningful change with a strategic vision for the future. We rigorously test for logical/mathematical reasoning skills, technical ability and soft skills in our interview process. Only those engineers who score highly across each of these areas are presented to our clients.

Industry

It services

Company size

11 - 50 Employees

Headquarters location

Tampa, FL, US

Year founded

2019

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