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Contract Full Stack Java Developer Jobs in Missouri

Laiba Technologies LLC

Java Developer

Saint Louis, MO · On-site

$48.25 - $62.50/hr

Contract Experience Required: 12+ Years Mandatory Domain Experience : Banking, Finance, Fintech Position Overview: We are seeking a highly experienced Lead/Senior Core Java Developer with strong ...

TEKsystems

Full Stack Developer

Kansas City, MO · On-site

$60 - $75/hr

... devops, construction Top Skills Details React,.net,C#,Full stack,Sql,application development ... is a Contract position based out of Kansas City, MO. Pay and Benefits The pay range for this ...

UST

Full Stack Developer

Saint Louis, MO · On-site

$118K - $177K/yr

Full Stack Developer Lead I - Product Engineering Who We Are: Born digital, UST transforms lives ... Experience or hands-on work with Java technologies like Groovy * Knowledge of software development ...

New

Jobsbridge

UI Developer

Saint Louis, MO · On-site

$48.50 - $63.25/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. 8-9 Years of experience in UI development 2 Years of minimum experience ...

CACI

Full Stack Web Developer

Saint Louis, MO · On-site

Full Stack Web Developer Job Category: Information Technology Time Type: Full time Minimum ... and contract wage rates, relevant prior work experience, specific skills and competencies ...

TEKsystems

Senior Java Developer

Kansas City, MO · Remote

$70 - $85/hr

This is initially a two-month contract to provide coverage during a team member's leave, with ... As an industry leader in Full-Stack Technology Services, Talent Services, and real-world ...

Booz Allen Hamilton

AWS Full Stack Engineer

Arnold, MO

$99K - $225K/yr

As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast ... languages such as Java, Python, GO, SQL, or C++, and front-end languages such as JavaScript ...

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Contract Full Stack Java Developer information

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How much do contract full stack java developer jobs pay per hour?

As of Sep 15, 2026, the average hourly pay for contract full stack java developer in Missouri is $54.48, according to ZipRecruiter salary data. Most workers in this role earn between $47.36 and $61.11 per hour, depending on experience, location, and employer.

What is a contract full stack Java developer?

A Contract Full Stack Java Developer is a software professional hired on a temporary basis to design, develop, and maintain applications using Java for both front-end and back-end components. They are responsible for handling the entire software stack, including databases, servers, APIs, and client-side interfaces. Contract developers often work for a specific project or time frame, providing flexibility for employers and the opportunity to work on diverse projects for developers. They are expected to have expertise in Java technologies, as well as familiarity with frameworks, databases, and front-end tools.

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

To thrive as a Contract Full Stack Java Developer, you need strong proficiency in Java, front-end technologies (such as HTML, CSS, JavaScript), and experience with frameworks like Spring Boot and React or Angular, typically supported by a relevant degree or industry certifications. Familiarity with tools such as Git, CI/CD pipelines, RESTful APIs, and cloud platforms like AWS or Azure is usually required. Excellent problem-solving, adaptability, and communication skills help developers excel in dynamic, project-based environments. These competencies ensure you can deliver robust, scalable solutions effectively while collaborating with diverse teams and adapting to varied client requirements.

What are common challenges contract full stack Java developers face when joining new projects?

Contract Full Stack Java Developers often encounter challenges such as quickly adapting to new codebases, understanding existing architectural decisions, and integrating with unfamiliar development workflows. Since contracts are typically time-bound, there's pressure to deliver results efficiently while building relationships with established teams. Effective communication and the ability to rapidly learn project-specific tools and frameworks are crucial for success in these environments.

What is the difference between Contract Full Stack Java Developer vs Contract Java Backend Developer?

AspectContract Full Stack Java DeveloperContract Java Backend Developer
Primary FocusDeveloping both frontend and backend applications using Java and related technologiesFocusing mainly on server-side Java development, APIs, and backend logic
Required SkillsJava, JavaScript, HTML/CSS, frameworks like Spring Boot, Angular or ReactJava, Spring Boot, REST APIs, database integration
Work EnvironmentFull-stack development teams, client-facing projects, agile environmentsBackend teams, API development projects, server-side architecture

Contract Full Stack Java Developers typically handle both frontend and backend tasks, requiring knowledge of Java and frontend technologies. In contrast, Contract Java Backend Developers focus primarily on server-side development, APIs, and database integration. Both roles are common in enterprise and tech companies, but the full stack role demands a broader skill set, while the backend role specializes in server-side logic.

What are the most commonly searched types of Full Stack Java Developer jobs in Missouri?

The most popular types of Full Stack Java Developer jobs in Missouri are:

What are popular job titles related to Contract Full Stack Java Developer jobs in Missouri?

For Contract Full Stack Java Developer jobs in Missouri, the most frequently searched job titles are:

What job categories do people searching Contract Full Stack Java Developer jobs in Missouri look for?

The top searched job categories for Contract Full Stack Java Developer jobs in Missouri are:

What cities in Missouri are hiring for Contract Full Stack Java Developer jobs?

Cities in Missouri with the most Contract Full Stack Java Developer job openings:

Contract Full Stack Java Developer jobs near you

Java Developer

Saint Louis, MO • On-site

Laiba Technologies LLC
See more jobs at Laiba Technologies LLCexternal

$48.25 - $62.50/hr

Other

Posted 5 days ago

Job description

Job Title: Lead/Senior Core Java Developer – Performance Tuning
Location: St. Louis, MO – Onsite/Hybrid
Employment Type: Contract
Experience Required: 12+ Years
Mandatory Domain Experience : Banking, Finance, Fintech
 
Position Overview:
We are seeking a highly experienced Lead/Senior Core Java Developer with strong hands-on expertise in Java application performance tuning, JVM optimization, multithreading, and high-volume enterprise systems.
 
The ideal candidate will have experience diagnosing and resolving performance bottlenecks in complex, business-critical applications. Experience working within banking, financial services, payment processing, or transaction-based environments is highly preferred.
 
Required Skills:
  • 12+ years of professional Java development experience.
  • Strong hands-on expertise in Core Java and modern Java versions.
  • Advanced knowledge of Java collections, concurrency, multithreading, synchronization, executors, and memory management.
  • Strong experience with JVM internals and JVM performance tuning.
  • Experience analyzing heap dumps, thread dumps, garbage-collection logs, CPU utilization, and memory leaks.
  • Hands-on experience with performance-profiling and monitoring tools such as Java Flight Recorder, Java Mission Control, VisualVM, YourKit, JProfiler, Dynatrace, AppDynamics, or similar tools.
  • Strong understanding of algorithms, data structures, design patterns, and object-oriented programming.
  • Experience with Spring Boot, REST APIs, and enterprise application development.
  • Strong SQL knowledge, including query analysis and database-performance optimization.
  • Experience with load and performance-testing tools such as JMeter, Gatling, or similar tools.
  • Experience troubleshooting production applications in Linux/Unix environments.
  • Strong debugging, analytical, problem-solving, leadership, and communication skills.
Preferred Skills:
  • Experience in banking, financial services, payment processing, card-processing, or transaction-management systems.
  • Experience developing low-latency and high-throughput applications.
  • Knowledge of microservices, Kafka, distributed systems, caching, and messaging technologies.
  • Experience with cloud platforms, CI/CD pipelines, Kubernetes, and application observability.
  • Previous experience working as a Technical Lead or Senior Developer.
 
 

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