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

Stellar IT Group

Core Java Developer

Saint Louis, MO · On-site

Remote Duration: 6+ Months Contract Role Overview We are seeking experienced Senior Core Java Developers to join our team and contribute to building secure, scalable, and production-ready ...

The Timberline Group

Java Developer

Saint Louis, MO · On-site

$250/hr

Client is seeking 8 immediate start Contractors/Contract to Hire Qualifications: * BS in a Computer ... Strong understanding of Object Oriented Programming * Analyze and develop Java solutions based on ...

The Timberline Group

Java Developer

Saint Louis, MO · On-site +1

$49.50 - $64.25/hr

Client is seeking 8 immediate start Contractors/Contract to Hire Qualifications: * BS in a Computer ... Strong understanding of Object Oriented Programming * Analyze and develop Java solutions based on ...

Hire Tech Services

Java Developer AI/GenAI

Saint Louis, MO · On-site

$48.25 - $62.50/hr

Contract We are seeking a Java Developer with AI/GenAI experience to join our client's technology team in the St. Louis, MO area. The ideal candidate will have strong hands-on Java development ...

Pyramid IT

Java Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Java Developer Location - St ... Louis, MO Duration: Long term contract Work Authorization status : US Citizen & Green card only ...

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 ... Contract INTERVIEW: Telephonic and Skype / Face 2 face

kollasoft

Java/J2EE developer Sr.

Saint Louis, MO · On-site

$49.50 - $64.25/hr

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 organized in their ...

kollasoft

Java/J2EE developer Sr.

Saint Louis, MO

$49.50 - $64.25/hr

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 organized in their ...

kollasoft

Java/J2EE developer Sr.

Saint Louis, MO · On-site

$49.50 - $64.25/hr

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 organized in their ...

Varsity Tutors

Java Tutor

Saint Louis, MO · Remote

$18 - $40/hr

Deep knowledge of Java syntax, object-oriented programming principles, inheritance, polymorphism ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

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All JobsContract Java Developer JobsContract Java Developer Jobs in Saint Louis, MO

Contract Java Developer information

See Saint Louis, MO salary details

$15

$55

$75

How much do contract java developer jobs pay per hour?

As of Sep 9, 2026, the average hourly pay for contract java developer in Saint Louis, MO is $55.12, according to ZipRecruiter salary data. Most workers in this role earn between $47.69 and $61.68 per hour, depending on experience, location, and employer.

What is a contract Java developer?

Contract Java Developers are software professionals who specialize in the Java programming language and are hired on a contract basis, rather than as permanent employees. They typically work for a set period of time or on a specific project, developing, testing, and maintaining Java-based applications according to the client’s requirements. These developers are often brought in to provide specialized expertise, handle workload spikes, or complete short-term projects. Their roles may include writing code, fixing bugs, integrating systems, and ensuring applications meet performance and security standards.

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

To thrive as a Contract Java Developer, you need strong Java programming skills, experience with object-oriented design, and a solid understanding of software development lifecycles, typically supported by a relevant degree or certifications. Familiarity with frameworks like Spring, build tools such as Maven or Gradle, and version control systems like Git is commonly required. Excellent problem-solving, adaptability, and clear communication skills help you efficiently integrate with new teams and projects. These abilities ensure you can quickly deliver high-quality, maintainable code that meets client requirements in a dynamic contract environment.

What are some common challenges faced by contract Java developers when integrating with existing teams and projects?

Contract Java Developers often need to quickly adapt to unfamiliar codebases and team workflows, which can be challenging given tight project timelines. Effective communication is essential, as they must coordinate with permanent staff, understand project requirements, and align with established coding standards and deployment processes. Many contractors also need to manage multiple projects or clients simultaneously, requiring strong time management skills. Proactively seeking clarity on expectations and leveraging onboarding resources can help ease the integration process.

What is the difference between Contract Java Developer vs Contract Software Engineer?

AspectContract Java DeveloperContract Software Engineer
Required CredentialsBachelor's in Computer Science, Java certificationsBachelor's in Computer Science or related, various programming certifications
Work EnvironmentDevelopment teams, client sites, remote optionsDevelopment teams, client sites, remote options
Industry UsageTech, finance, healthcare, e-commerceTech, finance, healthcare, e-commerce
Search & Comparison IntentFocus on Java-specific roles, Java projectsBroader software development roles, multiple languages

Contract Java Developers specialize in Java programming and are often sought for Java-specific projects. Contract Software Engineers have a broader scope, working with multiple programming languages and technologies. Both roles are common in tech industries and share similar work environments, but the Java Developer role is more focused on Java expertise.

Are Contract Java developers still in demand?

Contract Java developers remain in demand due to ongoing needs for software development, system integration, and enterprise applications. Skills in frameworks like Spring and experience with cloud platforms can enhance job prospects in this field.

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

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

What job categories do people searching Contract Java Developer jobs in Saint Louis, MO look for?

The top searched job categories for Contract Java Developer jobs in Saint Louis, MO are:

Contract Java Developer jobs near you
Infographic showing various Contract Java Developer job openings in Saint Louis, MO as of September 2026, with employment types broken down into 84% Full Time, 3% Part Time, and 13% Contract. Highlights an 78% Physical, 4% Hybrid, and 18% Remote job distribution, with an average salary of $114,656 per year, or $55.1 per hour.

Core Java Developer

Saint Louis, MO • On-site

Stellar IT Group
See more jobs at Stellar IT Groupexternal

Contractor

Posted 23 days ago

Job description

Overview:
Position: Core Java Developer
Location: Remote
Duration: 6+ Months Contract
Role Overview
We are seeking experienced Senior Core Java Developers to join our team and contribute to building secure, scalable, and production-ready applications. The ideal candidate will have strong expertise in Java, microservices architecture, and containerization, with hands-on experience in developing REST APIs and implementing secure coding practices. This role requires deep technical proficiency in backend engineering, combined with the ability to collaborate across teams and deliver high-quality solutions in enterprise environments.
Key Responsibilities
  • Design, develop, and maintain Core Java applications with a focus on scalability and performance.
  • Build and integrate microservices architectures using Spring Boot, Spring Security, and Spring Web MVC.
  • Develop and optimize REST APIs for secure and efficient communication between services.
  • Implement secure coding practices to remediate vulnerabilities and ensure compliance with enterprise standards.
  • Work with containerization platforms (Docker, Kubernetes, OpenShift) to deploy and manage applications.
  • Collaborate with cross-functional teams including QA, DevOps, and product owners to deliver production-ready solutions.
  • Conduct code reviews, troubleshoot issues, and provide technical guidance to junior developers.
  • Support CI/CD pipelines and ensure smooth deployment processes.
Required Skills
  • Strong expertise in Core Java development.
  • Hands-on experience with containerization (Docker, Kubernetes, OpenShift).
  • Proficiency in microservices architecture and REST API development.
  • Solid knowledge of Spring Boot, Spring Security, Spring Web MVC.
  • Experience with secure coding practices and vulnerability remediation.
Nice to Have
  • Experience with Harness for CI/CD orchestration.
  • Familiarity with Postman or other API testing tools.
  • Exposure to Red Hat OpenShift for enterprise container management.

Skills:
JAVA,Containerization

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