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Junior Java Developer Jobs in Saint Peters, MO (NOW HIRING)

The Timberline Group

Java/Angular Developer

Saint Louis, MO · On-site +1

$49.50 - $64.25/hr

The developer will meet with clients, analyze client requirements, propose & construct solutions ... Java/ Angular, J2EE, Servlets, XML * HTML, CSS, JavaScript, JQuery * JUnit, Mockito * Apache ...

Synthesis Systems

Full Stack Java Developer

Creve Coeur, MO · On-site

$49.25 - $63.50/hr

The Full Stack Developer provides frontend and backend development support. The successful ... JS, Java and Postgres SQL on AWS platform Overall 6+ years of Candidate experience needed Good ...

The Timberline Group

Java / J2EE Developer

Saint Louis, MO · On-site +1

$49.50 - $64.25/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 ...

Sonsoft Inc

Java/J2ee Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Experience in Server side programming using Java Servlets, JSP, JDBC, JavaBeans, EJB, log4J. * Experience in development/build tools like Eclipse, RAD, Soap UI, XML Spy, ANT, SVN, CVS etc.

Sonsoft Inc

Java/J2EE Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Experience in Server side programming using Java Servlets, JSP, JDBC, JavaBeans, EJB, log4J. * Experience in development/build tools like Eclipse, RAD, Soap UI, XML Spy, ANT, SVN, CVS etc.

Sonsoft Inc

Java/J2EE Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Experience in Server side programming using Java Servlets, JSP, JDBC, JavaBeans, EJB, log4J. * Experience in development/build tools like Eclipse, RAD, Soap UI, XML Spy, ANT, SVN, CVS etc.

kollasoft

Java/J2EE developer Sr.

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Java J2EE Developer in St.Louis,MO Duration: 2-3 Years Contract Need GC or USC only Communication: Present ideas assertively, aggressively and not be easily ignored. * Be articulate, persuasive and ...

Sonsoft Inc

Java/J2ee Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Experience in Server side programming using Java Servlets, JSP, JDBC, JavaBeans, EJB, log4J. * Experience in development/build tools like Eclipse, RAD, Soap UI, XML Spy, ANT, SVN, CVS etc.

kollasoft

Java/J2EE developer Sr.

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Java J2EE Developer in St.Louis,MO Duration: 2-3 Years Contract Need GC or USC only Communication: Present ideas assertively, aggressively and not be easily ignored. * Be articulate, persuasive and ...

Sonsoft Inc

Java/J2EE Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Experience in Server side programming using Java Servlets, JSP, JDBC, JavaBeans, EJB, log4J. * Experience in development/build tools like Eclipse, RAD, Soap UI, XML Spy, ANT, SVN, CVS etc.

kollasoft

Java/J2EE developer Sr.

Saint Louis, MO

$49.50 - $64.25/hr

Java J2EE Developer in St.Louis,MO Duration: 2-3 Years Contract Need GC or USC only Communication: Present ideas assertively, aggressively and not be easily ignored. * Be articulate, persuasive and ...

The Timberline Group

Java / J2EE Developer

Saint Louis, MO · On-site +1

$49.50 - $64.25/hr

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

Collabera

Java Developer

O Fallon, MO

$47.75 - $61.75/hr

Company Description About Collabera: Established in 1991, Collabera is one of the fastest growing end-to-end information technology services and solutions companies globally. As a half a billion ...

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 ...

Varsity Tutors

Java Tutor

Saint Louis, MO · Remote

$18 - $40/hr

Deep knowledge of Java syntax, object-oriented programming principles, inheritance, polymorphism, interfaces, exception handling, generics, collections framework, file I/O, and multithreading.

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Junior Java Developer information

See Saint Peters, MO salary details

$58.3K

$102.1K

$153.9K

How much do junior java developer jobs pay per year?

As of Aug 12, 2026, the average yearly pay for junior java developer in Saint Peters, MO is $102,142.00, according to ZipRecruiter salary data. Most workers in this role earn between $72,200.00 and $101,800.00 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 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.

How much do junior Java developers make?

Junior Java developers typically earn between $50,000 and $70,000 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.

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 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 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.

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 Saint Peters, MO? The most popular types of Java Developer jobs in Saint Peters, MO are:
What job categories do people searching Junior Java Developer jobs in Saint Peters, MO look for? The top searched job categories for Junior Java Developer jobs in Saint Peters, MO are:
What cities near Saint Peters, MO are hiring for Junior Java Developer jobs? Cities near Saint Peters, MO with the most Junior Java Developer job openings:
Junior Java Developer jobs near you
Infographic showing various Junior Java Developer job openings in Saint Peters, MO as of August 2026, with employment types broken down into 80% Full Time, and 20% Contract. Highlights an 80% In-person, 10% Hybrid, and 10% Remote job distribution, with an average salary of $102,142 per year, or $49.1 per hour.

Java AI Engineer

Tata Consultancy Service Limited

O Fallon, MO • On-site

$90K - $110K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 18 days ago

Job description

Role - Java AI Engineer
Experience Required - 5+ Years
We are seeking a highly skilled Java Developer with Agentic AI experience to design and develop next-generation Agentic AI applications. The ideal candidate will have strong expertise in Java, Spring Boot, backend development, and event-driven architectures, along with experience building AI-driven autonomous systems
Must Have Technical/Functional Skills
Java with Spring Boot (Mandatory)
Experience in developing Agentic AI applications (Mandatory)
Knowledge of SQL with Oracle and PostgreSQL (Mandatory)
Knowledge of REST API development and backend automation
Knowledge of Event-Driven Architecture
Knowledge of CI/CD concepts and Jenkins
Exposure to Kafka (Nice to Have)
Knowledge of Pivotal Cloud Foundry (Nice to Have)
Roles & Responsibilities
Design and develop Agentic AI applications using Java.
Develop scalable backend services using Java and Spring Boot.
Build and maintain REST APIs and backend automation solutions.
Work with Oracle and PostgreSQL databases for application development.
Implement event-driven architecture patterns in application design.
Participate in CI/CD processes using Jenkins.
Collaborate with cross-functional teams to deliver high-quality solutions.
Base Salary Range : $90,000 to $110,000 Per Annum
TCS Employee Benefits Summary:
Discretionary Annual Incentive.
Comprehensive Medical Coverage: Medical & Health, Dental & Vision, Disability Planning & Insurance, Pet Insurance Plans.
Family Support: Maternal & Parental Leaves.
Insurance Options: Auto & Home Insurance, Identity Theft Protection.
Convenience & Professional Growth: Commuter Benefits & Certification & Training Reimbursement.
Time Off: Vacation, Time Off, Sick Leave & Holidays.
Legal & Financial Assistance: Legal Assistance, 401K Plan, Performance Bonus, College Fund, Student Loan Refinancing.

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