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Freelance Java Spring Developer Jobs in Olivette, MO

Sr. Java Developer

Saint Louis, MO

$55.75 - $71/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers ... Spring Security will be added advantage. (optional). Experience building software in a continuous ...

Sr. Java Developer

Saint Louis, MO

$55.75 - $71/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers ... Spring Security will be added advantage. (optional). Experience building software in a continuous ...

Java Developer

Saint Louis, MO

$49.50 - $64.25/hr

Java Developer St Louis, MO (Onsite from day 1) Client: Mastercard Interview Process: 3 rounds will ... Deep knowledge and hands on experience with modern applications like spring boot, Angular.

Java/J2EE Developer

Saint Louis, MO · On-site

$49.50 - $64.25/hr

... activities to design JAVA applications. 2. Perform software analysis, programming, testing ... Spring 5. REST Web Services 6. Oracle Database Systems 7. SQL development and operations The ...

Java Developer Mastercard St Louis, MO (Onsite from day 1) $75/Hr or $110K + Benefits for FTEs with ... spring boot, Angular. Experience building and operating critical production systems Solid ...

Java Developer

O Fallon, IL

$47.50 - $61.50/hr

Java Developer Designing and implementing microservices using the Spring Boot framework. Working in compliance with the full Software Development Life Cycle. Connecting microservices to interact with ...

Experience programming in C++, Java, Typescript, and Bash * Experience developing in the following frameworks: Spring/Gradle/OpenJDK, React/Node * Demonstrated hands-on experience with relational and ...

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 ...

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 ...

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 ...

Java/Angular Developer

Saint Louis, MO · On-site

$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 ...

Java Backend Developer

O Fallon, MO

$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 ...

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How much do freelance java spring developer jobs pay per hour?

As of Jun 18, 2026, the average hourly pay for freelance java spring developer in Olivette, MO is $53.16, according to ZipRecruiter salary data. Most workers in this role earn between $45.96 and $59.52 per hour, depending on experience, location, and employer.

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 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, and why are they important?

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.
Senior Software Engineer - Java/Spring/Hibernate

Senior Software Engineer - Java/Spring/Hibernate

Enterprise Holdings

Saint Louis, MO

$117K - $154K/yr

Full-time

Medical, Retirement, PTO

Posted 28 days ago


Enterprise Holdings rating

7.2

Company rating: 7.2 out of 10

Based on 263 frontline employees who took The Breakroom Quiz

93rd of 142 rated vehicle equipment hire


Job description

Enterprise Mobility is a leading provider of mobility solutions, owning and operating the Enterprise Rent-A-Car, National Car Rental and Alamo Rent A Car brands through its integrated global network of independent regional subsidiaries. Enterprise Mobility and its affiliates offer extensive car rental, carsharing, truck rental, fleet management, retail car sales, as well as travel management and other transportation services, to make travel easier and more convenient for customers.  

Privately held by the Taylor family of St. Louis, Enterprise Mobility together with its affiliate Enterprise Fleet Management manages a diverse fleet of 2.4 million vehicles and accounted for nearly $39 billion in revenue through a network of more than 9,500 fully-staffed neighborhood and airport rental locations in more than 90 countries and territories. 

At the center of it all, our dedicated IT teams innovate, design and develop the technology that is redefining how customers rent, buy and share vehicles from our family of brands. Here, you will be part of a diverse and talented team that creates and delivers powerful technology solutions for our customers and employees across the world with the resources and support to develop in a variety of career paths.

As an Enterprise Mobility team member, we offer an excellent package with market-competitive pay, comprehensive healthcare packages, 401k matching & profit sharing, schedule flexibility, work from home opportunities, paid time off, and organizational growth potential.

This position is eligible for a hybrid work schedule, which includes the ability to work from home, while also requiring to be in person as needed at our Lakeside and/or Clayton Corporate HQ campus locations in St. Louis, Missouri.


As an Engineer 2, Software in IT Revenue Management, you will be responsible for building and maintaining solutions that allow Revenue Managers to grow and maintain competitive business strategies, in an ever-growing global market.  You will be responsible for applying your technical knowledge of professional concepts to solve business problems. You will be working on a variety of IT projects and programs including but not limited to Tier 1 efforts.

As an Engineer 2, Software you will be responsible for using your technical knowledge of professional concepts to solve business problems.  We are looking for a talented individual that can serve as a subject matter expert in their area of focus and represent their department on complex assignments.  You will be responsible for evaluating elements of technology’s effectiveness through requirements gathering, testing, research and investigation and make recommendations for improvements that result in increased quality and effectiveness.  You will be required to listen to and evaluate customer needs to determine and provide high quality solutions that align with customer expectations. 

Knowledge, Skills and Abilities:

  • Strong communication skills – both written and verbal designed to engage an audience across a broad range of technical expertise and/or business acumen.
  • Highly adept at producing accurate, high-quality work by organizing and tracking progress effectively. Skilled at spotting improvement opportunities and proposing solutions that enhance service quality, while proactively managing scope and conflict risks to safeguard release integrity.
  • Demonstrated ability to quickly foster and maintain positive working relationship across diverse teams, while serving as a trusted collaborator throughout planning efforts.
  • Must have good troubleshooting and problem-solving skills
  • Must be able to work in a fast-paced production environment and can handle multiple tasks
  • Excellent time management and prioritizing skills
  • Must be able to work independently with limited supervision
  • Must have the ability to effectively collaborate and work with others in a remote work environment
  • Must demonstrate the ability to be flexible with changing priorities and requirements

This is an exciting time to join our Rate Management team, as we transform and modernize our solutions, streamline processes and bring new capabilities to our employees. The work our team does every day has a major impact on our employees and our business. If you enjoy leading and inspiring others while driving and implementing large-scale initiatives, please take the time to Apply Today!

Equal Opportunity Employer/Disability/Veterans


Required:

  • Must be presently authorized to work in the U.S. without a requirement for work authorization sponsorship by our company for this position now or in the future
  • Must reside in St. Louis, Missouri, or immediate surrounding area
  • 3+ years of experience developing software applications using Java, Maven, GIT, and other object-oriented programming languages
  • Must have experience with the full Software Development Lifecycle (SDLC) and end-to-end testing
  • Experience with Spring and Hibernate
  • Must be committed to incorporating security into all decisions and daily job responsibilities

Preferred:

  • Bachelor’s degree in Computer Science, Computer Information Systems, Management Information Systems, or related field preferred
  • Knowledge and working experience with Agile methodologies
  • Experience with AWS, or other Public Cloud environments
  • Experience with Revenue Management concepts and business discipline
  • Experience with Jenkins for software build/deployments
  • Experience with unit testing frameworks such as Spock and/or Karate
  • Experience with Java 17+
  • Experience with SQL
  • OpenAPI spec experience
  • Distributed system development experience

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