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

Artius Solutions

Lead Java Engineer

Saint Louis, MO · On-site

$140K - $150K/yr

... contract). * Design and implement microservices using Spring Boot, Spring WebFlux, and modern ... Familiar with CI/CD tools and pipelines (DevOps mindset), application lifecycle management tools (e ...

InterSources

Senior Blockchain Developer

Chesterfield, MO · Hybrid

$54 - $71.25/hr

Chicago, IL, USA- Hybrid Duration: 12+ Month Contract Interview: Virtual Note: Every month ... Cryptography, GoLang, Java, NodeJs, Python, SDLC, Spring Boot Must have 10+ yrs of Blockchain ...

RIT Solutions

Senior Software Engineer

Saint Louis, MO · Hybrid

$119K - $157K/yr

Senior Software Engineer We are seeking a highly skilled Senior Software Engineer to join a top ... Java development, rule authoring, SQL, and Agile methodologies. This is a long-term contract ...

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How much do contract java developer jobs pay per hour?

As of Jun 18, 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 are the key skills and qualifications needed to thrive as a Contract Java Developer, and why are they important?

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.

Is Java outdated in 2026?

Java remains a widely used programming language for contract Java developers in 2026, especially in enterprise applications, Android development, and backend systems. It continues to evolve with regular updates and new features, maintaining its relevance in the software industry.

Is AI replacing Java developers?

AI is automating certain coding tasks and improving software development processes, but it does not replace Java developers. Java developers are needed to design, implement, and maintain complex applications, and their skills in problem-solving and system architecture remain essential. AI tools can assist developers but currently serve as complements rather than replacements in the development workflow.

Which pays more, C++ or Java?

For a Contract Java Developer, salary differences between C++ and Java roles depend on experience, location, and industry demand. Generally, C++ developers may earn higher salaries due to the complexity of systems and performance-critical applications, but Java developers are also well-compensated, especially with expertise in enterprise environments and frameworks like Spring. Both skills are valuable, and compensation varies based on specific job requirements and market conditions.

What are Contract Java Developers?

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.

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 experience with cloud platforms can enhance job prospects in this field.

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.

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 are popular job titles related to Contract Java Developer jobs in Saint Louis, MO? For Contract Java Developer jobs in Saint Louis, MO, the most frequently searched job titles 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:
What cities near Saint Louis, MO are hiring for Contract Java Developer jobs? Cities near Saint Louis, MO with the most Contract Java Developer job openings:
Contract Java Developer jobs near you
Senior Java Developer : Mastercard

Senior Java Developer : Mastercard

ShiftCode Analytics

O Fallon, MO

$53.50 - $68.25/hr

Other

Posted 22 hours ago

Job description

Interview : Coding Test + F2F
This is hybrid from day-1 ( Need only local candidates )
Visa : USC, GC, GC EAD, H4, L2
Description :

  • Responsible for the analysis, design, development and delivery of software solutions
  • Defines requirements for new applications and customizations, adhering to standards, processes and best practices

Responsibilities
  • Participate in team prioritization discussions with Product/Business stakeholders
  • Estimate and own delivery tasks (design, dev, test, deployment, configuration, documentation) to meet the business requirements
  • Automate build, operate, and run aspects of software
  • Drive code/design/process trade-off discussions within their team when required
  • Drive integration of services focusing on customer journey and experience
  • Perform demos/acceptance discussions in interacting with Product owners
  • Understands operational and engineering experience, actively works to improve experience and metrics in ownership area
  • Develop complete understanding of end-to-end technical architecture and dependency systems
  • Drive adoption of technology standards and opinionated frameworks, and review coding, test, and automation work of team members
  • Mentor and guide new and less-experienced team members

Experiences
  • Has ability to write secure code in multiple languages (e.g., Java, JavaScript) and familiar with secure coding standards (e.g., OWASP, CWE, SEI CERT) and vulnerability management
  • Understands the basic engineering principles used in building and running mission critical software capabilities (security, customer experience, testing, operability, simplification, service-oriented architecture)
  • Understands internals of operating systems (Windows, Linux) to write interoperable and performant code
  • Able to perform debugging and troubleshooting to analyze core, heap, thread dumps and remove coding errors
  • Understands and implements standard branching (e.g., Gitflow) and peer review practices
  • Has skills in test driven and behavior driven development (TDD and BDD) to build just enough code and collaborate on the desired functionality
  • Understands use cases for advanced design patterns (e.g., service-to-worker, MVC, API gateway, intercepting filter, dependency injection, lazy loading, all from the gang of four) to implement efficient code
  • Understands and implements Application Programming Interface (API) standards and cataloging to drive API/service adoption and commercialization
  • Has skills to author test code with lots of smaller tests followed by few contract tests at service level and fewer journey tests at the integration level (Test Pyramid concept)
  • Apply tools (e.g., Sonar, Zally, Checkmarx ) and techniques to scan and measure code quality and anti-patterns as part of development activity
  • Has skills to orchestrate release workflows and pipelines, and apply standardized pipelines via APIs to achieve CI and CD using industry standard tools (e.g., Jenkins, AWS/Azure pipelines, XL Release, others).
  • gRPC Framework understanding (nice to have)
  • Has skills to document and drive definition-of-done for requirements to meet both business and operational needs
  • Understands how to build robust tests to minimize defect leakage by performing regression, performance, deployment verification, and release testing
  • Has skills to conduct product demos and co-ordinate with product owners to drive product acceptance signoffs
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About ShiftCode Analytics

Sourced by ZipRecruiter

We specialize in solid end-to-end delivery of tailor-made technology solutions designed by the Top 1% Software Engineering teams. Our innate digital leadership identity powers transformation across every industry. We are always ready to drive meaningful change with a strategic vision for the future. We rigorously test for logical/mathematical reasoning skills, technical ability and soft skills in our interview process. Only those engineers who score highly across each of these areas are presented to our clients.

Industry

It services

Company size

11 - 50 Employees

Headquarters location

Tampa, FL, US

Year founded

2019

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