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Java Developer Jobs in Lake Saint Louis, MO (NOW HIRING)

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 ...

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 ...

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 ...

Jobs for Humanity

Java Backend Developer

O Fallon, MO

$47.25 - $61.25/hr

Design, develop, and maintain backend applications using Java 8 and the Spring Framework. * Build ... CI/CD and DevOps practices. * Unit testing (JUnit or Mockito). * Bachelor's degree in computer ...

Zentek Infosoft Inc.

Java Engineer

O Fallon, MO · On-site

$48.50 - $66.50/hr

... Java Backend Developer * Here is the JD: Java Engineer * An ideal candidate for this role would have extensive experience in Java development and be well-versed in cloud-native applications ...

Ports North

Software Engineer Java

O Fallon, MO · On-site

$82.66 - $103.32/hr

Bachelor's Degree * 4+ years of work experience Title Sr Java Developer Location O'Fallon, MO Client Industry Finance Compensation $60-75/hr About Korn Ferry Korn Ferry unleashes potential in people ...

Palnar

Backend Java Engineer W/IBM MQ Exp

O Fallon, MO · On-site

$47.25 - $61.25/hr

Senior Software Development Engineer (Specialty) - Level 7 Location: O'Fallon, MO/Hybrid Duration: 12 months * Java * Proficient in core java * Spring boot preferred. * Messaging services * MQ's or ...

AG Technologies

Junior JAVA Devloper

Chesterfield, MO · On-site

$300/wk

... 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.

AG Technologies

Junior JAVA Devloper

Chesterfield, MO · On-site

$300/wk

... 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.

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All JobsJava Developer JobsJava Developer Jobs in Lake Saint Louis, MO

Java Developer information

See Lake Saint Louis, MO salary details

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$53

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How much do java developer jobs pay per hour?

As of Sep 7, 2026, the average hourly pay for java developer in Lake Saint Louis, MO is $53.71, according to ZipRecruiter salary data. Most workers in this role earn between $46.44 and $60.14 per hour, depending on experience, location, and employer.

What is a Java developer?

Java Developers are software professionals who specialize in designing, developing, and maintaining applications using the Java programming language. They work on a variety of projects, including web, desktop, and mobile applications, as well as enterprise-level systems. Java Developers are responsible for writing clean and efficient code, testing and debugging programs, and collaborating with other team members to deliver robust software solutions. Their expertise in Java and related technologies is crucial for building scalable and secure applications.

What do Java developers do?

Java developers create dynamic computer applications and websites using the Java computer programming language. The Java language integrates with other programming languages and infrastructures to build robust business applications and software for a wide range of industries, from finance and healthcare to content management and social media. Java developers may be involved in all stages of application development, from conception and design to testing, production, and ongoing maintenance. The goal is to provide efficient solutions for business needs.

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

To thrive as a Java Developer, you need strong proficiency in Java programming, object-oriented design, and a solid understanding of software development principles, usually supported by a degree in computer science or related fields. Familiarity with frameworks such as Spring or Hibernate, experience with version control systems like Git, and sometimes certification like Oracle Certified Professional Java Programmer (OCPJP) are commonly required. Effective problem-solving, teamwork, and attention to detail are crucial soft skills in this role. These skills ensure robust, maintainable, and scalable software solutions that meet project requirements and business goals.

What are some common challenges Java developers face when working on large-scale enterprise applications?

Java Developers working on large-scale enterprise applications often encounter challenges such as managing complex codebases, ensuring efficient performance, and integrating with legacy systems. Collaborating with cross-functional teams is crucial, as these projects typically involve multiple developers, QA engineers, and business analysts. Additionally, maintaining code quality and adhering to best practices while meeting tight deadlines can be demanding. Staying up-to-date with evolving frameworks and tools also plays a key role in overcoming these challenges.

What is the difference between Java Developer vs Software Engineer?

AspectJava DeveloperSoftware Engineer
Required CredentialsBachelor's in Computer Science or related, Java certificationsBachelor's in Computer Science or related, various certifications
Work EnvironmentDevelops Java-based applications, often in teamsDesigns and develops software solutions, may include Java projects
Employer & Industry UsageTech companies, finance, e-commerceBroad industry, including tech, finance, healthcare

Java Developers focus specifically on Java programming, while Software Engineers have a broader role in designing and developing software solutions across multiple languages. Both roles often require similar educational backgrounds and certifications, but Java Developers typically work more directly with Java-based projects, whereas Software Engineers may handle diverse technologies.

Is a 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 platforms can enhance job prospects in this field.
More about Java Developer jobs

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

The most popular types of Java Developer jobs in Lake Saint Louis, MO are:

What cities near Lake Saint Louis, MO are hiring for Java Developer jobs?

Cities near Lake Saint Louis, MO with the most Java Developer job openings:

Java Developer jobs near you
Infographic showing various Java Developer job openings in Lake Saint Louis, MO as of August 2026, with employment types broken down into 78% Full Time, 10% Part Time, and 12% Contract. Highlights an 81% Physical, 5% Hybrid, and 14% Remote job distribution, with an average salary of $111,723 per year, or $53.7 per hour.

Java AI Engineer

Tata Consultancy Service Limited

O Fallon, MO • On-site

$90K - $110K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 15 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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