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Freelance Java Spring Developer Jobs in Springfield, OH

NextGen Federal Systems

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 ...

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Freelance Java Spring Developer information

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$51

$69

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

As of Jul 9, 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 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.
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:
Freelance Java Spring Developer jobs near you
Infographic showing various Freelance Java Spring Developer job openings in Springfield, OH as of July 2026, with employment types broken down into 81% Full Time, and 19% Contract. Highlights an 100% In-person job distribution, with an average salary of $106,226 per year, or $51.1 per hour.
Principal Software Engineer

Principal Software Engineer

NextGen Federal Systems

Dayton, OH • On-site

$131K - $175K/yr

Full-time

Re-posted 5 days ago

Job description

NextGen Federal Systems (NextGen) is currently seeking to fill multiple Principal Software Engineer positions with staff who have experience supporting Department of War (DoW) and Intelligence Community (IC) programs. Selected candidates will participate in the entire software development lifecycle including participation in the design, development, deployment and implementation of software products throughout all phases of the software development lifecycle. The candidates will be part of the development team operating in a dynamic, fast-paced environment. Excellent written and verbal communication skills are required. The selected candidates will be required to develop software in a variety of software development languages and environments.
Qualifications
  • B.S. in Computer Science, Engineering, Information Technology or closely related
  • Active TS/SCI security clearance required

Qualified candidates must have strong software engineering backgrounds with the following skills and expertise that are highly desired:
  • Object-Oriented (OO) Programming skills with modern development languages
  • Agile software development practices and tools (e.g., Scrum, Jira)
  • Modern cloud-computing software and tools including distributed computing platforms (IaaS, PaaS, SaaS)
  • Micro-services, container technologies (Docker, Kubernetes)
  • Modern data architectures and tools: Python, MATLAB, IDL, Java, JavaScript / Typescript, NodeJS, C++
  • Frameworks: Angular, Spring Boot, Vue, QT, React
  • Database modeling: OpenSearch Dashboards
  • Algorithm development, database design, UI/UX
  • Continuous Integration / Continuous Delivery (CI/CD) (Jenkins, GitLab CI)
  • Test-Driven Development Methodologies (JUnit)
  • Web and SOA technologies, visualization technologies, image processing, database and/or geospatial (GIS) technologies
  • Experience with all phases of the software development life cycle including agile development processes, tools, and methodologies
  • Ability to work independently and in a team environment
  • Strong problem-solving and critical thinking skill

About NextGen: NextGen Federal Systems is an innovative technology and professional services provider specializing in advanced software solutions and comprehensive mission and business support services. We work in close collaboration with our Customers to truly understand their business and mission goals. Our approach is to design, build, implement, and manage solutions that measurably improve our client's organizational performance. We have established and foster a corporate culture where we: Treat employees with fairness and respect regardless of their position, sexual identity, race, or tenure; Communicate the importance of our mission and our employees' contributions to it, ensuring they understand how their job role contributes to the greater good; Openly promote and communicate our ideas for change and adaptability; Strive to achieve results as an organization; Hold employees accountable to their commitments and provide incentives that encourage positive and productive behaviors; Value the talents and contributions of our employees as the key factor for our success; Create an environment where people can engage at all levels; Encourage people to take risks and allow them to make mistakes.
Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities.
RefID: A04

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