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

Atria Group LLC

Java Developer

Saint Louis, MO

$49.50 - $64.25/hr

Unigroup is in need of a senior Java developer. They will be part of a 10+ person team developing on a large rewrite of their enterprise system along with smaller projects as well. This individual ...

Gemini

Java Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Java Developer Location: St.Louis, MO - Inperson Interview Job Type: Full Time Only OPT EAD, CPT EAD, H4 EAD, L2 EAD, H1B Visa Transfer JOB DETAILS: Below highlighted skills are mandatory. • ...

Pyramid IT

Java Developer

Saint Louis, MO

$49.50 - $64.25/hr

Java Developer Location - St. Louis, MO Duration: Long term contract Work Authorization status : US Citizen & Green card only Mandatory Skills: J2EE (Java, JSP, Servlets, Filters, Listeners, JSTL, EL ...

Georgia IT Inc

Java Developer- St Louis

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Position- Java Developer Location- St Louis, MO Duration- Contract Rate- DOE • Strong Java developer with very good understanding of micro services. • Grasp of software engineering skills in ...

Atria Group LLC

Java Developer

Saint Louis, MO

$49.50 - $64.25/hr

Required Skills: 5+ years advanced computer programming skills in Java, Java Servlet, Javabean, EJB, OO Design, HTML. Advanced working skills in programming with SQL or Oracle. Experience writing ...

Envision

Java Developer

Saint Louis, MO · Hybrid

$49.50 - $64.25/hr

Digital Data Platform Java Developer Hybrid. Onsite 2 days a week in St. Louis, MO Team: Agile team. API team, java is product and dev side of the team. Several use cases currently in flight. Dev+ ...

Georgia IT Inc

Java Developer- St Louis, MO

Saint Louis, MO

$49.50 - $64.25/hr

Position- Java Developer Location- St Louis, MO Duration- Contract Rate- DOE * Strong Java developer with very good understanding of micro services. * Grasp of software engineering skills in modular ...

Gallop Resources Inc

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.

Gallop Resources Inc

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.

Georgia IT Inc

Java Developer-St- louis, MO

Saint Louis, MO

$49.50 - $64.25/hr

Java Developer Location: St-Louis, MO Duration: Contract Rate: DOE U.S Citizen, Green Cards and EAD preferred. Corp to corp is available for this position. Required: * Must have around 4-6 years for ...

AG Technologies

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 ...

TriOptus LLC

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 ...

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 ...

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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 Jun 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 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.
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:
What job categories do people searching Junior Java Developer jobs in St. Louis, MO look for? 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

Java Developer

Atria Group LLC

Saint Louis, MO

$49.50 - $64.25/hr

Other

Posted 22 days ago

Job description

Company Description

We specialize in Staffing, Consulting, Software Development, and Training along with IT services to small to medium size companies. AG's primary objective is to help companies maximize their IT resources and meet the ever-changing IT needs and challenges.

In addition, AG offers enterprise resource planning and enterprise application integration, supply-chain management, e-commerce solutions, and B2B public exchanges and B2B process integration solutions. Our company provides application analysis, design, development and programming, software engineering, systems development, testing, integration, and implementation, and management consulting services to various clients - including governmental agencies and private companies - throughout the United States and India.

We provide these services in multiple computing environments and use technologies such as client/server architecture, object-oriented programming languages and tools, distributed database management systems, state-of-the-art networking, and communications infrastructures. Our honest and realistic approach to recruiting dictates that AG does not entice or lure engineers from their employers. We represent only high caliber technical professionals who have committed to making a change required by career.

Job Description

Required Skills:

Java, JPA/Hibernate, spring (core), REST

Ideal Skills:

JAX-RS, JSON, HTML5, CSS, jQuery, backbone.js, bootstrap.js, Agile (Scrum)

Essential Duties: Identifies, analyzes, and documents business/technical requirements and systems specifications. Creates and performs software coding. Creates and enforces software quality standards, implements/deploys information systems. Evaluates vendor-supplied applications and deploys/integrates vendor-supplied software. Generates suggestions for process/product improvement. Communicates status of assigned work to management and follows practices and procedures covered by precedents, standards or policies. Develops an awareness of systems and operating area interrelationships. Ensures the efficient development of optimal information systems through a variety of duties including management of tasks within schedule and budgetary constraints, coordination of development/implementation efforts across disciplines, generation/presentation of users training material/development plans, and expansion of knowledge applicable to technical platforms and applications. Leads teams of developers/integrators and assists in the development of programmers/analysts through coaching and training.

Qualifications

Would prefer a bachelor's degree and five + years of experience.

Unigroup is in need of a senior Java developer. They will be part of a 10+ person team developing on a large rewrite of their enterprise system along with smaller projects as well. This individual will perform at the highest technical level of all phases of systems analysis and programming activities. This individual will also be needed to provide guidance and training for other developers. 

Additional Information
  1. Good comm skills are a big priority
  2. Duration: Long term

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