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Freelance Java Spring Developer Jobs in Springfield, OH

Strong Java experience (e.g., building REST APIs; familiarity with Spring/Spring Boot) * Proficient ... Experience with CI/CD platforms (e.g., Jenkins, GitLab CI, Azure DevOps) * Familiarity with test ...

Position Title: Software Engineer Position Type: Full-time Location: Dayton, OH (Primary ... Java, or C#. * Build and support HTTP-based web services and APIs using frameworks such as Spring ...

Principal Software Engineer

Dayton, OH · On-site

$131K - $175K/yr

NextGen Federal Systems is currently seeking to fill multiple Principal Software Engineer positions ... Python, MATLAB, IDL, Java, JavaScript / Typescript, NodeJS, C++ • Frameworks: Angular, Spring ...

Principal Software Engineer

Dayton, OH · On-site

$131K - $175K/yr

S. in Computer Science, Engineering, Information Technology or closely related * Active TS/SCI ... Python, MATLAB, IDL, Java, JavaScript / Typescript, NodeJS, C++ * Frameworks: Angular, Spring Boot ...

Senior Software Engineer

Dayton, OH · On-site

$119K - $157K/yr

NextGen Federal Systems (NextGen) is currently seeking to fill multiple Senior Software Engineer ... Python, MATLAB, IDL, Java, JavaScript / Typescript, NodeJS, C++ * Frameworks: Angular, Spring Boot ...

Principal Software Engineer

Dayton, OH · On-site

$131K - $175K/yr

S. in Computer Science, Engineering, Information Technology or closely related * Active TS/SCI ... Python, MATLAB, IDL, Java, JavaScript / Typescript, NodeJS, C++ * Frameworks: Angular, Spring Boot ...

Senior Software Engineer

Dayton, OH · On-site

$119K - $157K/yr

NextGen Federal Systems (NextGen) is currently seeking to fill multiple Senior Software Engineer ... Python, MATLAB, IDL, Java, JavaScript / Typescript, NodeJS, C++ * Frameworks: Angular, Spring Boot ...

Senior Software Engineer

Dayton, OH · On-site

$119K - $157K/yr

NextGen Federal Systems (NextGen) is currently seeking to fill multiple Senior Software Engineer ... Python, MATLAB, IDL, Java, JavaScript / Typescript, NodeJS, C++ * Frameworks: Angular, Spring Boot ...

Showing results 21-40

Freelance Java Spring Developer information

See Springfield, OH salary details

$14

$51

$69

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

As of Aug 20, 2026, the average hourly pay for freelance java spring developer in Springfield, OH is $51.07, according to ZipRecruiter salary data. Most workers in this role earn between $44.18 and $57.16 per hour, depending on experience, location, and employer.

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 cities near Springfield, OH are hiring for Freelance Java Spring Developer jobs?

Cities near Springfield, OH with the most Freelance Java Spring Developer job openings:

Infographic showing various Freelance Java Spring Developer job openings in Springfield, OH as of August 2026, with employment types broken down into 24% Full Time, 68% Part Time, and 8% Contract. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $106,226 per year, or $51.1 per hour.

Full Stack Engineer

Marathon TS Inc

Dayton, OH • On-site

Other

Posted 23 days ago


Job description

We are seeking a mid-level software engineer to build secure, scalable REST services and modern UI features using Java and TypeScript/Angular. You will contribute across the stack, own deliverables in Agile sprints, and help improve CI/CD, automated testing, and documentation practices in an enterprise/government program environment.

Key Responsibilities:

  • Design, develop, and test full-stack features using Java (REST APIs) and Angular (UI)
  • Build and consume RESTful APIs; integrate with internal/external services
  • Implement and maintain CI/CD pipelines; automate builds, tests, and deployments
  • Write and maintain automated tests (unit, integration, UI) and support code quality standards
  • Participate in code reviews and contribute to secure, maintainable, performant solutions
  • Apply security-minded development practices and support DevSecOps/secure SDLC expectations
  • Troubleshoot and resolve issues across application and API layers; support defect triage and root cause analysis
  • Collaborate in Agile/Scrum ceremonies; manage work in Jira and document in Confluence
  • Produce clear technical documentation and operational runbooks

Basic Qualifications:

  • 3–6 years of professional software engineering experience
  • Strong Java experience (e.g., building REST APIs; familiarity with Spring/Spring Boot)
  • Proficient in TypeScript and Angular for enterprise web applications
  • Hands-on experience with Git and pull request workflows
  • Experience with build/package tools (e.g., Maven/Gradlenpm)
  • Demonstrated experience designing and integrating APIs using JSON/HTTP best practices
  • Practical experience working in Agile/Scrum teams and using Jira/Confluence
  • Strong communication skills and ability to collaborate with cross-functional teams

Preferred Qualifications:

  • Experience with CI/CD platforms (e.g., Jenkins, GitLab CI, Azure DevOps)
  • Familiarity with test frameworks (e.g., JUnit, Jest/Jasmine, Cypress/Karma
  • Knowledge of OWASP/secure coding practices and cloud/container fundamentals

Marathon TS logo

About Marathon TS

Sourced by ZipRecruiter

Marathon TS provides a full range of professional services for clients that require support from professionals with specialized skills and experience in a specific technical area or subject matter. Marathon TS also provides IT solutions, including strategy, operations, transformation and mission support.

Industry

It services

Company size

51 - 200 Employees

Headquarters location

Sterling, VA, US

Year founded

2009

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