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Junior Java Developer Intern Jobs in Missouri (NOW HIRING)

... Core Java, Knowledge in J2EE / Spring concepts Knowledge XML parsing and AJAX concepts Education Requirement: Bachelors, Masters in Computer Science/ Computer Engineering/ Information Systems ...

... 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.

... 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.

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 ...

Application Developer Intern

Columbia, MO · On-site

$14.25 - $18.25/hr

As an Application Development Intern, you will play a vital role in supporting our mobile app ... Basic understanding of programming languages such as Java, Swift, or Kotlin is a plus Competencies ...

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 ...

DAP is looking to hire Engineering Design Intern for Summer 2026. Responsibilities: The summer ... Freshman, Sophomore or Junior. * Able to use Excel, Word and MS Project to complete assigned tasks.

As a Data Engineering Intern, you will work closely with our data team to support the integration ... Basic programming experience in Python, Java, or similar languages * Understanding of data ...

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Junior Java Developer Intern information

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

To thrive as a Junior Java Developer Intern, you need a solid understanding of Java programming, basic knowledge of object-oriented design, and a relevant degree or coursework in computer science or software engineering. Familiarity with IDEs like Eclipse or IntelliJ IDEA, version control systems such as Git, and introductory experience with build tools like Maven is typical. Strong problem-solving, eagerness to learn, and effective communication skills help interns collaborate and adapt in a team environment. These skills and qualities are important because they enable rapid learning, effective contribution to projects, and smooth integration into development teams.

What types of projects and tasks can I expect to work on as a Junior Java Developer Intern?

As a Junior Java Developer Intern, you can expect to assist in developing, testing, and debugging Java applications under the guidance of senior team members. Your daily tasks may include writing code, fixing bugs, participating in code reviews, and collaborating with other developers and departments such as QA or DevOps. Interns often get exposure to real-world projects that contribute to the organization's products or services, providing valuable experience with tools like version control systems and agile methodologies. This hands-on involvement is designed to help you build both technical and teamwork skills in a professional setting.

What does a Junior Java Developer Intern do?

A Junior Java Developer Intern assists in the development, testing, and maintenance of Java-based applications under the supervision of senior developers. Their responsibilities typically include writing simple code, debugging software, participating in team meetings, and learning best practices in software development. The intern gains hands-on experience with Java technologies, tools, and frameworks while contributing to real-world projects. This role is designed to help interns build foundational programming skills and understand the software development lifecycle.

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

AspectJunior Java Developer InternJunior Java Developer
Required CredentialsBasic understanding of Java, coursework, or related internship experienceProven Java skills, possibly some certifications or coursework completed
Work EnvironmentInternship programs, learning-focused, entry-level projectsFull-time role, more responsibility, involved in ongoing projects
Employer & Industry UsageInternship positions in tech companies, startups, or software firmsEntry-level full-time positions in similar industries
Search & Comparison IntentUnderstanding internship differences, entry-level opportunitiesCareer progression, job responsibilities, skill requirements

The main difference between a Junior Java Developer Intern and a Junior Java Developer lies in experience and responsibilities. Interns are typically students or recent graduates gaining practical experience, while Junior Developers are full-time employees with more responsibilities and ongoing projects. Internships serve as a stepping stone toward a full developer role, which requires more skills and commitment.

What are the most commonly searched types of Junior Java Developer jobs in Missouri? The most popular types of Junior Java Developer jobs in Missouri are:
What are popular job titles related to Junior Java Developer Intern jobs in Missouri? For Junior Java Developer Intern jobs in Missouri, the most frequently searched job titles are:
What job categories do people searching Junior Java Developer Intern jobs in Missouri look for? The top searched job categories for Junior Java Developer Intern jobs in Missouri are:
What cities in Missouri are hiring for Junior Java Developer Intern jobs? Cities in Missouri with the most Junior Java Developer Intern job openings:
Infographic showing various Junior Java Developer Intern job openings in Missouri as of May 2026, with employment types broken down into 80% Full Time, 17% Part Time, and 3% Contract. Highlights an 89% Physical, 6% Hybrid, and 5% Remote job distribution.
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

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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