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

TEKsystems

Backend Developer

Scott Air Force Base, IL

$60 - $75/hr

Contract (Long-Term) Certification Requirement: Security+ certification required within 14 days of ... Java * Experience building and supporting ETL/ELT pipelines and enterprise data integration ...

Centstone

StreamSets Developer

Saint Louis, MO · On-site

Remote Job Type: Long Term Contract Position Overview We are looking for an experienced StreamSets ... Experience with Python or Java. * Experience with CI/CD tools such as Jenkins, GitHub Actions ...

Posted today

Staffingine LLC

Automation Engineer

Saint Louis, MO · On-site

Contract * Experience in test automation using Karate Framework for API and integration testing ... with DevOps and development teams * Seeking a Specialist with 5 to 7 years of experience in ...

Navtech, Inc.

Sr AWS Developer

Saint Louis, MO · On-site

St Louis, MO - Remote Start Duration: 6+ Months Contract then Permanent Hire - C2H Visa: US Citizen ... Java/Python/Scala * Strong notions of security best practices (e.g. using IAM Roles, KMS, etc.

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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 Aug 19, 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 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:

Contract Java Developer jobs near you
Infographic showing various Contract Java Developer job openings in Saint Louis, MO as of August 2026, with employment types broken down into 81% Full Time, 5% Part Time, and 14% Contract. Highlights an 83% Physical, 5% Hybrid, and 12% Remote job distribution, with an average salary of $114,656 per year, or $55.1 per hour.

Fullstack Engineer (Java + Angular) - Only W2

Saransh Inc

O Fallon, MO • On-site

$49 - $63.50/hr

Contractor

Re-posted 6 days ago

Job description

Role: Fullstack Engineer (Java + Angular)
Location: O'Fallon, MO (Hybrid - 2 days a week onsite)
Job Type: W2 Contract
 
NOTE: Only W2 required - No C2C (or) Third-party candidates
 
Experience level: Mid-level / Senior
 
 
Mid Level:
 
Description:
  • You will contribute to building scalable backend services using Java/Spring and modern user interfaces using Angular and Node.js within a distributed architecture. Working closely with cross-functional teams, you will help deliver production-grade solutions and continuously improve your skills across cloud platforms, DevOps practices, and observability.
  • You will also leverage AI-assisted development tools to enhance productivity and support different phases of the SDLC.
In this role, you will:
  • Design, develop, and own Java-based backend services and REST APIs in a distributed architecture
  • Build and enhance UI applications using Angular and Node.js
  • Own end-to-end delivery: design, development, testing, deployment, configuration, and documentation
  • Ensure high-quality code through reviews, testing (unit/integration), and automation
Core Requirements:
  • Strong hands-on experience in Java, Spring Boot, and REST APIs
  • Hands-on experience with Angular (2+) and Node.js
  • Experience building and maintaining scalable, production-grade applications
 
Core Engineering Skills:
  • Strong problem-solving and debugging skills in distributed systems
  • Solid understanding of software design principles and best practices
  • Experience in test-driven development (unit, integration testing) 
 
Work experience of 3-5 years
  • Experience with cloud platforms (PCF, Kubernetes, AWS, or Azure)
  • Exposure to CI/CD pipelines and DevOps practices
  • Experience with observability tools (e.g., Splunk, logging, monitoring)
  • Exposure to AI tools for assisted development during SDLC phases
 
Senior Level:
As a senior engineer, you will – 
·      Design, develop, and maintain robust and scalable backend services using Java, Spring Boot, and microservices architecture.
·      Deploy and manage applications on PCF or Kubernetes
·      Develop engaging and responsive user interfaces using modern front-end frameworks such as Angular or React.
·      Participate in PoCs (Proof of Concept) and help the department with selection of vendor solutions, technologies, methodologies and frameworks. 
·      Write clean, well-documented, and testable code.
·      Collaborate with product managers, designers, and other engineers to deliver high-quality products.
·      Participate in code reviews and contribute to improving our development processes.
·      Troubleshoot and resolve complex technical issues.
·      Ensure adequate test coverage in Unit Testing, System Testing/Integration Testing and Performance Testing. 
·      Mentor junior engineers and share your expertise. 
·      Work in an agile environment, participating in sprint planning, daily stand-ups, and retrospectives
 
All About You:
·      Overall 9 years of career experience into Full Stack Development
·      Strong proficiency in Java and Spring boot framework
·      Experience designing and developing microservices
·      Experience with PCF, K8s, Docker, or other cloud platforms
·      Solid understanding of front-end development principles and experience with Angular/React frameworks
·      Proficiency in HTML, CSS, JavaScript, and JQuery
·      Experience with relational databases such as Oracle or PostGreSQL. Well versed with writing efficient and optimised queries
·      Experience with Restful API design and development
·      Experience leveraging or developing solutions using Information Security-related concepts: Cryptography – X.509, public key cryptography standards, JWT, hashing, digital signatures
·      Experience with testing frameworks and methodologies
 
Good to have:
·      Experience with other cloud platforms (e.g., Azure, AWS, GCP)
·      Experience with DevOps practices and tools (e.g., Jenkins, Docker, Kubernetes)
·      Contributions to open source projects