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Junior Software Developer Java Jobs in Missouri (NOW HIRING)

Junior Software Developer

Saint Louis, MO ยท On-site

$60K - $65K/yr

Interco is seeking a talented Junior Software Developer with a strong background in JavaScript and React.js to contribute to an innovative Enterprise Resource Planning (ERP) project. In this role ...

Interco is seeking a talented Junior Software Developer with a strong background in JavaScript and React.js to contribute to an innovative Enterprise Resource Planning (ERP) project. In this role ...

Senior Software Engineer - Java Developer

MO ยท On-site

$53.50 - $68.25/hr

Senior Software Engineer (Java Developer) Location: O'fallon, Missouri Duration: 24 months Experiece: 7+ years Skills summary: โ€ข Advanced in with Linux and Java development (JDK 1.7 or greater ...

Java Developer

Kansas City, MO ยท On-site

$49.75 - $64.50/hr

Company Description ROLE Software Engineer-Java and Web Technology The Software Engineer is assigned to a specific software solution and is responsible for writing code to meet user interface ...

We are looking for a Software Developer with 5+ years of experience in backend development and ... The ideal candidate will have strong expertise in Java, Spring Boot, REST APIs, and Microservices ...

Software Developer

O Fallon, MO ยท On-site

$45K - $121K/yr

Software Developer City: O Fallon State/Province: Missouri Posting Start Date: 8/7/26 Wipro Limited ... We are seeking a highly skilled Java Full Stack Developer with strong experience in building ...

New

Software DEVELOPER

O Fallon, MO ยท On-site

$60K - $135K/yr

Software DEVELOPER City: O Fallon State/Province: Missouri Posting Start Date: 8/7/26 Wipro Limited ... We are seeking a highly skilled Java Full Stack Developer with strong experience in building ...

New

Senior Software Engineer (Java)

O Fallon, MO ยท On-site

$116K - $153K/yr

Java 8+, J2EE, Spring, Hibernate * Angular/React front-end development * REST/SOAP APIs and ... Cloud-Native Architecture & DevOps * Cloud-Native / AWS or Other Cloud Platforms * CI/CD and ...

Senior Level Software Developer

Saint Louis, MO ยท On-site

$51.75 - $68.25/hr

We are seeking a Software Engineer to support our client's intelligence analysis products and ... Java, JavaScript or Python enterprise application development. Web services architecture, design ...

We are seeking a Software Engineer to support our client's intelligence analysis products and ... Java, JavaScript or Python enterprise application development. Web services architecture, design ...

Senior Level Software Developer

Saint Louis, MO ยท On-site

$51.75 - $68.25/hr

We are seeking a Software Engineer to support our client's intelligence analysis products and ... Java, JavaScript or Python enterprise application development. Web services architecture, design ...

$44.25 - $56.25/hr

Our partner is looking for a Software Craftsperson/Java/Angular based in Netherlands ... This role is designed for engineers who are passionate about building high-quality, maintainable ...

Senior Software Engineer Java

Earth City, MO ยท On-site

$118K - $155K/yr

The Senior Software Engineer with strong expertise in Java and Spring Boot will be responsible for ... Support CI/CD processes and DevOps practices to improve delivery efficiency. * Contribute to ...

Senior Software Developer

Anderson, MO ยท On-site

$90K - $180K/yr

We are seeking a Senior Software Engineer with information security expertise to help design and ... Expert skills in programming languages such as Java or Python and in interfacing with a backend ...

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Junior Software Developer Java information

See Missouri salary details

$47.9K

$79.3K

$99.9K

How much do junior software developer java jobs pay per year?

As of Aug 11, 2026, the average yearly pay for junior software developer java in Missouri is $79,324.00, according to ZipRecruiter salary data. Most workers in this role earn between $67,800.00 and $90,000.00 per year, depending on experience, location, and employer.

What are some common challenges faced by junior software developers working with Java, and how can they overcome them?

Junior Software Developers working with Java often encounter challenges such as understanding complex codebases, managing version control with tools like Git, and applying best practices for clean and efficient code. To overcome these obstacles, it's helpful to actively participate in code reviews, seek guidance from senior developers, and make use of online resources and documentation. Joining stand-up meetings and collaborating closely with teammates can also accelerate learning and help new developers adapt to the team's workflow.

What are the key skills and qualifications needed to thrive as a junior software developer Java, and why are they important?

To thrive as a Junior Software Developer (Java), you need a solid understanding of Java programming, algorithms, and object-oriented principles, often supported by a degree in computer science or related field. Familiarity with development tools like Eclipse or IntelliJ IDEA, version control systems such as Git, and knowledge of build tools like Maven or Gradle is often required. Strong problem-solving abilities, willingness to learn, and effective communication skills help junior developers collaborate and adapt quickly. These skills are crucial for building reliable software, integrating smoothly into development teams, and growing within the role.

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

AspectJunior Software Developer JavaJunior Software Developer Python
Required CredentialsBachelor's in CS or related field, Java certifications (optional)Bachelor's in CS or related field, Python certifications (optional)
Work EnvironmentEnterprise applications, backend development, large-scale systemsData analysis, scripting, web development, AI/ML projects
Employer & Industry UsageFinancial services, enterprise software, telecomTech startups, data science firms, research institutions
Common Search & ComparisonYesYes

Both roles typically require a bachelor's degree in computer science or related fields. Java developers often work on enterprise-level applications in industries like finance and telecom, while Python developers focus on data analysis, scripting, and AI projects in startups and research. The choice depends on your career interests and industry focus.

What does a junior software developer Java do?

A Junior Software Developer Java is an entry-level programmer who specializes in building, testing, and maintaining software applications using the Java programming language. They typically work under the supervision of senior developers and contribute to coding, debugging, and documentation. Their responsibilities often include fixing bugs, writing unit tests, and collaborating with team members to deliver functional software solutions. This role is ideal for individuals who have a basic understanding of Java and are eager to gain professional experience in software development.

How much do junior software developers Java make?

Junior Java software developers typically earn an annual salary ranging from $50,000 to $80,000, depending on location, industry, and experience. Entry-level roles often require knowledge of Java, object-oriented programming, and development tools like IDEs and version control systems.

Are Java developers 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 Java, along with knowledge of frameworks like Spring and tools such as Maven, continue to be valuable in the job market across various industries.
What job categories do people searching Junior Software Developer Java jobs in Missouri look for? The top searched job categories for Junior Software Developer Java jobs in Missouri are:
What cities in Missouri are hiring for Junior Software Developer Java jobs? Cities in Missouri with the most Junior Software Developer Java job openings:
Infographic showing various Junior Software Developer Java job openings in Missouri as of August 2026, with employment types broken down into 88% Full Time, 8% Part Time, and 4% Contract. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution, with an average salary of $79,324 per year, or $38.1 per hour.

Junior Software Developer

Interco

Saint Louis, MO โ€ข On-site

$60K - $65K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 14 days ago


Job description

Company Description
Interco is a global metals trading and recycling company headquartered in St. Louis with facilities in Missouri and Illinois. The company buys, sells, and processes nonferrous metals and electronics scrap worldwide utilizing established partnerships with end consumers in the United States, Europe, Latin America, and Asia.
Job Description
Interco is seeking a talented Junior Software Developer with a strong background in JavaScript and React.js to contribute to an innovative Enterprise Resource Planning (ERP) project. In this role, the successful candidate will take the lead in crafting and executing sophisticated user interfaces for the company's ERP software, aiming to deliver an unparalleled user experience. The Software Developer will collaborate with development team members and management to ensure projects align with the needs of the company. This role involves turning project requirements into functional, visually captivating interfaces that solve problems, optimize workflows, and provide valuable data that offers real-time business insight. Join Interco to be at the forefront of developing solutions that redefine efficiency and impact in ERP systems.
Responsibilities Include
  • Develop responsive and user-friendly front-end interfaces for our ERP software using JavaScript, HTML, CSS, and React.js.
  • Collaborate with development team to design, consume, and integrate RESTful APIs that retrieve and update data from PostgreSQL backends.
  • Work closely with UI/UX designs to translate wireframes and mockups into functional user interfaces, ensuring consistency with design guidelines and best practices.
  • Participate in defining API contracts, perform contract and integration debugging, and collaborate on end-to-end testing. Collaborate on CI/CD pipelines and use containerized development environments.
  • Write and maintain technical documentation.
  • Implement and maintain reusable components and libraries to streamline development and ensure consistency across ERP software.

Qualifications
  • Bachelor's degree in Computer Science, Software Engineering, or a related field.
  • Proven experience as a Software Developer, building complex web applications or ERP systems with a portfolio representative of a strong technical acumen.
  • Proficiency in front-end technologies such as HTML5, CSS3, JavaScript, and various front-end frameworks (e.g., React, Angular, Vue.js) with a solid understanding of responsive design principles.
  • Practical experience consuming and integrating RESTful APIs; experience building RESTful APIs with FastAPI is a plus.
  • Solid working knowledge of PostgreSQL (writing queries, schema design, indexing, migrations)
  • Experience with version control systems and collaboration tools such as Git and Figma.
  • Strong problem-solving skills and attention to detail to identify and resolve issues effectively.
  • Excellent communication and teamwork skills to collaborate with cross-functional teams effectively.

Additional Information
  • $60,000-$65,000
  • Salary plus annual performance review and bonus
  • 401(k) with generous company match after one year
  • Paid vacation Christmas Eve through - New Year's Day for all employees
  • Accelerated paid Vacation time
  • Company paid $25K life insurance policy
  • 100% Company-paid Short-Term Disability, Long-Term Disability
  • 100% Company-paid Medical, Dental, Vision

As a matter of company policy, the Company does not sponsor employment visas or hire from out of the USA nor does the company sponsor candidates who do not currently reside within the USA without an existing H-1B visa.
This job description is designed to provide a general overview of the requirements of the job and does not entail a comprehensive listing of all activities, duties or responsibilities that will be required. Interco reserves the right to modify this job description at any time, including assigning or reassigning job duties or eliminating this position at any time.
Candidate information will be kept confidential according to EEO guidelines.
Work remotely: No
www.intercojobs.com
Company Information
Interco has been recycling computers, batteries, metals, and electronics with a focused track record of innovation and integrity since 1996. The company specializes in the placement of smelter-ready materials catering to commercial, industrial, dealer, and government organizations nationwide.
The Interco recycling facilities are separated into three departments: nonferrous metals, computers and electronics, and battery processing. The nonferrous facility is located on the 40-acre main campus in Madison (IL) while the computers and electronics are processed in Edwardsville where the Administrative and some logistics offices are located. The commercial department is located on The Hill in St. Louis.
www.intercojobs.com