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Freelance Java Spring Developer Jobs in Missouri

kollasoft

Java/J2EE developer Sr.

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Java J2EE Developer in St.Louis,MO Duration: 2-3 Years Contract Need GC or USC only Communication ... Expert in open source frameworks (Hibernate, Spring). * Experience with MyFaces, Trinidad, Spring ...

Jobs for Humanity

Java Backend Developer

O Fallon, MO · On-site

$47.25 - $61.25/hr

Design, develop, and maintain backend applications using Java 8 and the Spring Framework. * Build ... CI/CD and DevOps practices. * Unit testing (JUnit or Mockito). * Bachelor's degree in computer ...

Eliassen Group

Senior Software Developer

Saint Louis, MO · On-site

$100 - $125/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

The role requires full-stack development across Java/Spring Boot services and Angular/TypeScript ... Coordinate with DevOps, InfoSec, Program Management, and multiple scrum teams. * Communicate status ...

The Timberline Group

Java/Angular Developer

Saint Louis, MO · On-site +1

$49.50 - $64.25/hr

The developer will meet with clients, analyze client requirements, propose & construct solutions ... Spring, Spring MVC * JPA, Hibernate * OOD Working knowledge & experience with: * Relational ...

US Bank

Software Engineer 2- (Java/Spring Boot/DevOps)

Earth City, MO · On-site

$49 - $67.25/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Expert level hands-on experience in Java/J2EE, Spring Boot, Spring Cloud, Hibernate/JPA * Expert ... Adept with agile software development lifecycle and DevOps principles * Able to communicate ...

Eliassen Group

Senior Software Developer

Saint Louis, MO · On-site

$100 - $125/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

The role requires full-stack development across Java/Spring Boot services and Angular/TypeScript ... Coordinate with DevOps, InfoSec, Program Management, and multiple scrum teams. * Communicate status ...

The Timberline Group

Java / J2EE Developer

Saint Louis, MO · On-site +1

$49.50 - $64.25/hr

  • Medical

  • Dental

  • Vision

  • PTO

Strong understanding of Object-Oriented Programming (OOP) * Analyze and develop Java solutions ... Experience with MVC Frameworks Spring MVC, Hibernate, Spring, REST & Web Services * Experience with ...

Gallop Resources Inc

Fullstack Java Developer

Saint Louis, MO · On-site

$51 - $65.75/hr

Experience with EJB Hibernate, Spring Framework * WebSphere Application Server and DB2 and Oracle ... Fullstack Java Developer Additional Information All your information will be kept confidential ...

Mastercard, Inc.

Senior Software Engineer- RPPS Platform

O Fallon, MO · On-site

$114K - $151K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The position requires strong expertise in Java, Spring Boot, API development, and modern front-end technologies, coupled with a passion for engineering excellence, technical leadership, and ...

MasterCard

Senior Software Engineer- RPPS Platform

O Fallon, MO · Remote

$114K - $151K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The position requires strong expertise in Java, Spring Boot, API development, and modern front-end technologies, coupled with a passion for engineering excellence, technical leadership, and ...

Atria Group LLC

Java Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

Java, JPA/Hibernate, spring (core), REST Ideal Skills: JAX-RS, JSON, HTML5, CSS, jQuery, backbone ... Leads teams of developers/integrators and assists in the development of programmers/analysts ...

Sonsoft Inc

Java/J2EE Developer

Saint Louis, MO

$49.50 - $64.25/hr

At least 4 years of implementation experience in Java/J2EE technologies, Spring, Hibernate * At ... Experience in Server side programming using Java Servlets, JSP, JDBC, JavaBeans, EJB, log4J.

Sonsoft Inc

Java/J2ee Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

At least 4 years of implementation experience in Java/J2EE technologies, Spring, Hibernate * At ... Experience in Server side programming using Java Servlets, JSP, JDBC, JavaBeans, EJB, log4J.

Sonsoft Inc

Java/J2EE Developer

Saint Louis, MO

$49.50 - $64.25/hr

At least 4 years of implementation experience in Java/J2EE technologies, Spring, Hibernate * At ... Experience in Server side programming using Java Servlets, JSP, JDBC, JavaBeans, EJB, log4J.

Sonsoft Inc

Java/J2ee Developer

Saint Louis, MO

$49.50 - $64.25/hr

At least 4 years of implementation experience in Java/J2EE technologies, Spring, Hibernate * At ... Experience in Server side programming using Java Servlets, JSP, JDBC, JavaBeans, EJB, log4J.

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All JobsJava Spring Developer JobsFreelance Java Spring Developer JobsFreelance Java Spring Developer Jobs in Missouri

Freelance Java Spring Developer information

What is a freelance Java Spring developer?

A Freelance Java Spring Developer is a self-employed software professional who specializes in building, maintaining, and optimizing applications using the Java programming language and the Spring framework. These developers work on a contract or project basis for various clients, rather than as full-time employees for a single company. Their responsibilities often include designing backend systems, integrating APIs, and ensuring applications are scalable and secure. Freelance Java Spring Developers typically manage their own schedules and may work remotely for clients around the world.

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

To thrive as a Freelance Java Spring Developer, you need a solid understanding of Java programming, Spring Framework (including Spring Boot), and experience with RESTful APIs, typically supported by a degree in computer science or relevant certifications. Familiarity with tools like Maven, Git, Docker, and cloud platforms such as AWS or Azure is often required. Strong problem-solving, time management, and client communication skills help you stand out in this role. These competencies ensure you can deliver robust solutions efficiently while managing multiple clients and projects in a dynamic freelance environment.

What are the most common challenges faced by freelance Java Spring developers when working with multiple clients simultaneously?

Freelance Java Spring Developers often juggle projects for multiple clients, which can pose challenges such as managing shifting priorities, aligning with different coding standards, and keeping up with varied communication styles. Successfully navigating these requires strong organizational skills, clear project documentation, and proactive communication to set expectations. Additionally, freelancers must stay updated with the latest Spring framework updates to deliver high-quality, maintainable solutions across diverse client environments.

What is the difference between Freelance Java Spring Developer vs Java Backend Developer?

AspectFreelance Java Spring DeveloperJava Backend Developer
CredentialsOften requires Java certifications, Spring certifications, and relevant experienceTypically requires a Java degree or equivalent experience, with or without certifications
Work EnvironmentIndependent, project-based, remote or on-site freelance workFull-time employment in a company or organization, often in an office setting
Employer & Industry UsageClients across various industries hiring for specific projectsEmployers in tech, finance, e-commerce, and other sectors with ongoing backend needs
Search & Comparison IntentLooking for freelance opportunities or contract work in Java Spring developmentSeeking full-time or permanent backend development roles in Java

In summary, Freelance Java Spring Developers typically work independently on short-term projects, requiring specific certifications and flexible work environments. Java Backend Developers usually hold full-time roles within organizations, focusing on ongoing backend system development.

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

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

What are popular job titles related to Freelance Java Spring Developer jobs in Missouri?

For Freelance Java Spring Developer jobs in Missouri, the most frequently searched job titles are:

What job categories do people searching Freelance Java Spring Developer jobs in Missouri look for?

The top searched job categories for Freelance Java Spring Developer jobs in Missouri are:

What cities in Missouri are hiring for Freelance Java Spring Developer jobs?

Cities in Missouri with the most Freelance Java Spring Developer job openings:

Freelance Java Spring Developer jobs near you
Infographic showing various Freelance Java Spring Developer job openings in Missouri as of August 2026, with employment types broken down into 57% Full Time, and 43% Contract. Highlights an 83% In-person, 8% Hybrid, and 9% Remote job distribution.

Java/J2EE developer Sr.

kollasoft

Saint Louis, MO • On-site

$49.50 - $64.25/hr

Contractor

Re-posted 18 days ago

Job description

Java J2EE Developer in St.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 presentation skills.
  • Carry themselves well in-group settings.
  • Listen and promote open communication upward, downward and cross-functionally.
  • Write meaningful complex documents such as program specifications and test plans. Documents should be clear,
  • concise, grammatically correct, and require minimal editing.
  • Communicate effectively with peers, clients, FRIT personnel, and other District personnel. Effectively and accurately
  • Track progress and report status.

Qualifications
Knowledge and Experience:
  1. 10+ years of experience required.
  2. Use and apply technical/business knowledge on both the job and future planning of job deliverables.
  3. Expert on Java EE technologies (specifically JSP/JSF, JDBC, JPA, JAXB, JAXP, Web Services - JAX-WS, Maven to build), Angular 2 or above
  4. Expert in open source frameworks (Hibernate, Spring).
  5. Experience with MyFaces, Trinidad, Spring Web Flow, Spring Batch, RichFaces, and Facelets is a plus.
  6. Experience with Eclipse/ RSA, Oracle, WebLogic, WebSphere, & web services.
  7. Working knowledge with Angular is a plus.
  8. Must be familiar with implementing standard best practices (e.g. secure programming, Java patterns, test first development.)
  9. Provide expert technical mentoring on the tools used for a specific project and how to get the most out of the tools.
  10. Provide fully documented work, instruction, and training to peers as required.

Thanks,
Rick Martin
(480) 779-6123 Ext : 112

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