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Junior Java Developer Jobs in St Louis, MO (NOW HIRING)

MyASAP

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 unit ... oriented analysis, design, and programming experience and SOLID principles Experience in ...

MyASAP

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 ...

Accenture Federal Services

Java Developer

Saint Louis, MO · On-site

$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 ...

Jobsbridge

Sr. Java Developer

Saint Louis, MO

$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 ...

Jobsbridge

Sr. Java Developer

Saint Louis, MO

$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 ...

AG Technologies

JAVA Developer

Chesterfield, MO · On-site

$50.50 - $65.25/hr

Expertise with the Eclipse IDE, and related Java build tools and techniques * Familiarity with Oracle and PL/SQL * Good team working skills and meticulous attention to detail Additional Information ...

Jobsbridge

Sr. Java Developer

Saint Louis, MO

$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 ...

Auritas

Java Lead Backend Developer

Saint Louis, MO

$120K/hr

* Strong Java developer with very good understanding of micro services * Develop and consume APIs using HTTP/Rest. * Skills on at least one major JS library /frame work. * Exposure to relational/non ...

HCL Global Systems Inc

Sr Java Developer

Saint Louis, MO · On-site

$55.75 - $71/hr

HCL Global Systems Inc is a leading organization in the financial services sector, and they are seeking a Sr Java Developer to build end-to-end business solutions. The ideal candidate will work on ...

1 point system

Java Developer

O Fallon, MO · On-site

$47.75 - $61.75/hr

The Sr. Software Engineer opportunity we have in St. Louis, MO. All candidates will be required to take a Glider exam , which is on recorded video and may be reviewed by the client , prior to ...

CYNET SYSTEMS

Senior Java Developer

Saint Louis, MO · On-site

$50 - $55/hr

Java/JEE, Spring, Spring Boot, REST/SOAP web services, Hibernate, SQL, Tomcat, Application servers ... We deliver agile, scalable talent solutions across IT, engineering, life sciences, clinical, and ...

CYNET SYSTEMS

Senior Java Developer

Saint Louis, MO · On-site

$50 - $55/hr

Java/JEE, Spring, Spring Boot, REST/SOAP web services, Hibernate, SQL, Tomcat, Application servers ... We deliver agile, scalable talent solutions across IT, engineering, life sciences, clinical, and ...

CYNET SYSTEMS

Senior Java Developer

Saint Louis, MO · On-site

$50 - $55/hr

Java/JEE, Spring, Spring Boot, REST/SOAP web services, Hibernate, SQL, Tomcat, Application servers ... We deliver agile, scalable talent solutions across IT, engineering, life sciences, clinical, and ...

The Timberline Group

Java/J2EE Developer

Saint Louis, MO · On-site

$85 - $120/hr

Strong understanding of Object Oriented Programming * Analyze and develop Java solutions based on customers' needs * The ability to develop technical documentation * Proficient knowledge of Java ...

The Timberline Group

Java/J2EE Developer

Saint Louis, MO · On-site +1

$49.50 - $64.25/hr

... JAVA applications. 2. Perform software analysis, programming, testing, debugging based on technical requirements. 3. Identify production and non-production application issues and ensure designs ...

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All JobsJava Developer JobsJunior Java Developer JobsJunior Java Developer Jobs in St. Louis, MO

Junior Java Developer information

See St Louis, MO salary details

$59.3K

$103.9K

$156.5K

How much do junior java developer jobs pay per year?

As of Aug 20, 2026, the average yearly pay for junior java developer in St. Louis, MO is $103,858.00, according to ZipRecruiter salary data. Most workers in this role earn between $73,400.00 and $103,500.00 per year, depending on experience, location, and employer.

What is a junior Java developer?

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.

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.

What are the key skills and qualifications needed to thrive as a junior Java developer?

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 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.

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.

How much do junior Java developers make?

Junior Java developers typically earn between $50,000 and $80,000 annually, depending on location, industry, and experience. Entry-level roles often require knowledge of Java, object-oriented programming, and development tools like Eclipse or IntelliJ IDEA.

Is a Junior Java Developer still in demand?

Junior Java Developers remain in demand due to the widespread use of Java in enterprise applications, web development, and Android app creation. Employers seek candidates with foundational Java skills, knowledge of frameworks like Spring, and familiarity with version control tools such as Git. Continuous learning and certifications can enhance job prospects in this field.
More about Junior Java Developer jobs

What are the most commonly searched types of Java Developer jobs in St. Louis, MO?

The most popular types of Java Developer jobs in St. Louis, MO are:

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For Junior Java Developer jobs in St. Louis, MO, the most frequently searched job titles are:

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The top searched job categories for Junior Java Developer jobs in St. Louis, MO are:

What cities near St. Louis, MO are hiring for Junior Java Developer jobs?

Cities near St. Louis, MO with the most Junior Java Developer job openings:

Junior Java Developer jobs near you
Infographic showing various Junior Java Developer job openings in St. Louis, MO as of August 2026, with employment types broken down into 81% Full Time, 5% Part Time, and 14% Contract. Highlights an 83% Physical, 5% Hybrid, and 12% Remote job distribution, with an average salary of $103,858 per year, or $49.9 per hour.

Java Developer

MyASAP

Saint Louis, MO • On-site

$49.50 - $64.25/hr

Contractor

Re-posted 13 days ago

Job description

Job Description

 Design, code, test and implement of new applications across Equifax's delivery platforms according to development standards and processes. 
6+ years of software development experience with extremely strong skills in Java & Unix. 
Assist production support of applications in PROD and Pre PROD. 
Conduct unit testing and integration testing for functionality. 
Hands-On experience with Code builds and CI/CD processes. 
Analyze a problem and choose the best and most cost-effective solution. 
Technology Skillset: 
Extensive experience in analysis, design, coding, testing, developing, debugging, configuring, deploying, and supporting enterprise applications using Java, J2EE Technologies (Servlets, JSP, JDBC & JNDI), RESTful, JSON, Web Technologies (HTML, CSS, XML, JavaScript, & AJAX), Struts, Spring, Boot, JPA, Hibernate, Jersey, Jackson, Hive, JUnit, jQuery & Angular5, TypeScript, Node.js, Tomcat & WebSphere App Servers. 
Strong Experience in scripting languages like Powershell, Bash. 
Hands on experience Configuring and Administering SCM(GIT, SVN), Build (CMake, Make files, Maven), Nexus, CI(Jenkins), CD Automation Tools like Octopus. 
Experience with RDBMS databases and preferably, MS SQL Server databases. 
Experience in NoSQL Databases like MongoDB. 
Experience with developing for Linux environments. 
Experience in Web development with AngularJS or similar UI frameworks & Restful web services 
Other Required skillset: 
Extremely strong skills in writing high performance production quality code with focus on logging and exception handling 
Strong object-oriented analysis, design, and programming experience and SOLID principles 
Experience in implementing various design patterns like MVC, Singleton, Factory, Abstract Factory, Business Delegate, Service Locator, Front Controller, Data Access Objects and Data Transfer Objects. 
Experience in Object Oriented Analysis and Design, UML and associated tools such as Rational Rose. 
Experience in Jira, Confluence, Agile/Scrum development methodology 
Extensive exposure on administration, troubleshooting, configuration, deployment and support activities of enterprise applications on WebSphere Application Server and Apache Tomcat. 
Experience in performing code review 
Proven experience in Test Driven Development and Automation working in a Continuous Delivery environment. 
Highly motivated, creative, self-directed, and thrives in small Agile teams in multi-site settings 
Strong computer science fundamentals including a deep understanding of data structures and distributed algorithms 
Ensure proper governance of technical deliveries, including supporting artifacts. 
Be responsible for the functional integrity and proper operation of all supported systems 
Working closely with Development, QA, Product Management, and Production Ops teams to make sure Product Releases on-time with quality. 
Strong Automation, problem-solving skills, and ability to follow through to completion. 
Works well independently and requires little or no supervision. Strong verbal/written communication skills.

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