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Java Contract Jobs in Ballwin, MO (NOW HIRING)

Staffingine LLC

Automation Engineer

Saint Louis, MO · On-site

Contract * Experience in test automation using Karate Framework for API and integration testing ... and Selenium Java Testing to drive quality assurance initiatives * Collaborate with cross ...

Navtech, Inc.

ETL Talend Developer

Lake Saint Louis, MO · On-site

St Louis, MO Remote till Covid Duration: 12+ Months Contract * ETL development experience with ... Java Development background is plus Thanks for your valuable time!!! Best Regards, Kevin Smith | PH ...

Navtech, Inc.

ETL Tester

Lake Saint Louis, MO · On-site

Louis, MO(After Covid) Duration: 12+ Month Contract * 5+ years of strong experience in ETL testing ... Experienced with coding any language Java, Python etc * Very strong Oracle SQL skill for data ...

TriOptus LLC

Sr Software Engineer

Lake Saint Louis, MO · On-site

$116K - $153K/yr

Louis, MO Relevant Experience Needed: 8+ years Contract Duration: 12+ months Experience Summary: * Strong Experience in Core Java , Spring and Web Development * Strong Server development and ...

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All JobsJava Contract JobsJava Contract Jobs in Ballwin, MO

Java Contract information

See Ballwin, MO salary details

$15

$55

$75

How much do java contract jobs pay per hour?

As of Jul 14, 2026, the average hourly pay for java contract in Ballwin, MO is $55.13, according to ZipRecruiter salary data. Most workers in this role earn between $47.69 and $61.73 per hour, depending on experience, location, and employer.

What are some common challenges faced by Java contractors and how can they be managed effectively?

Java contractors often work on short-term projects or fill skill gaps in development teams, which can present challenges such as quickly adapting to new codebases and varying team dynamics. To manage these effectively, it’s important to have strong communication skills, a proactive approach to understanding project requirements, and the ability to rapidly learn existing systems. Building rapport with permanent team members and maintaining thorough documentation can also help ease the transition. Staying current with Java frameworks and tools further ensures you can contribute value from day one.

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

To thrive as a Java Contractor, you need strong proficiency in Java programming, experience with object-oriented design, and a solid understanding of software development methodologies, often supported by a relevant degree or certifications like Oracle Certified Professional Java Programmer (OCPJP). Familiarity with development tools such as Eclipse or IntelliJ IDEA, version control systems like Git, and frameworks such as Spring or Hibernate is typically required. Excellent problem-solving, adaptability, and communication skills help you collaborate with diverse teams and quickly respond to project changes. These skills ensure high-quality, maintainable code and successful completion of contract-based software projects.

What is the difference between Java Contract vs Java Developer?

AspectJava ContractJava Developer
CredentialsTypically requires Java certifications, experience in contract rolesRequires Java certifications, degree in computer science or related field
Work EnvironmentProject-based, short-term assignments, flexible hoursFull-time, ongoing employment, structured work hours
Employer & Industry UsageUsed by companies for specific projects, consulting firmsEmployed directly by companies, tech firms, or agencies
Search & Comparison IntentOften compared for contract opportunities, flexibilityCompared for full-time roles, career growth

Java Contract roles are typically project-based, offering short-term assignments with flexible schedules, ideal for those seeking variety or freelance work. Java Developers usually work full-time, with ongoing responsibilities and career development opportunities. Both roles require Java certifications and experience, but differ mainly in employment type and work environment.

What is a Java contract job?

A Java contract job is a temporary position where a programmer is hired to work on projects using the Java programming language for a fixed period, rather than as a permanent employee. Contractors are often brought in to fill skill gaps, complete specific projects, or handle increased workloads. These roles can be full-time or part-time and typically last from a few months to over a year, depending on the project's needs. Contractors may work onsite or remotely and are usually paid hourly or by project milestone. Java contract jobs offer flexibility and the opportunity to work with a variety of companies and technologies.
What are the most commonly searched types of Java jobs in Ballwin, MO? The most popular types of Java jobs in Ballwin, MO are:
What are popular job titles related to Java Contract jobs in Ballwin, MO? For Java Contract jobs in Ballwin, MO, the most frequently searched job titles are:
What job categories do people searching Java Contract jobs in Ballwin, MO look for? The top searched job categories for Java Contract jobs in Ballwin, MO are:
What cities near Ballwin, MO are hiring for Java Contract jobs? Cities near Ballwin, MO with the most Java Contract job openings:
Java Contract jobs near you
Infographic showing various Java Contract job openings in Ballwin, MO as of July 2026, with employment types broken down into 23% Full Time, and 77% Contract. Highlights an 100% In-person job distribution, with an average salary of $114,679 per year, or $55.1 per hour.
Full Stack Java Developer

Full Stack Java Developer

Synthesis Systems

Creve Coeur, MO • On-site

$49.25 - $63.50/hr

Contractor

Re-posted 24 days ago

Job description

Company Description
Synthesis has extensive experience building large-scale, enterprise systems for government and commercial clients. We specialize in developing AI, Big Data, Data Analytics, iOS, Android, JEE, Portals, and database-driven applications. Our extensive knowledge spans across all application tiers. Since, we were founded in 2003, Synthesis has been delivering large-scale systems based on design patterns, service-oriented architectures, dynamic and intutive web interfaces, and web services. Our clients include Fortune 100 companies and a number of government agencies.
Job Description
The Full Stack Developer provides frontend and backend development support. The successful candidate will also provide best practices to design single-page architecture (SPA) applications and micro services using cutting edge and open source technologies including J2EE, Node.JS, RESTful, HTML5, Angular, JavaScript, and AWS technologies. The individual will work in an agile environment to support short sprints and rapid delivery of releases.
Qualifications
Hands on experience on React JS,NodeJS, Redux, Java and Postgres SQL on AWS platform
Hands on experience on Vue. JS, Java and Postgres SQL on AWS platform
Overall 6+ years of Candidate experience needed
Good Communication skills
Hands on Experience on the JS
Must have experience :
NodeJS
ReactJs
AWS
Micro-Services
Additional Information
All your information will be kept confidential according to EEO guidelines.
This is a contract position and independent contractors welcomed.

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