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Freelance Java Spring Developer Jobs in Springfield, OH

Eng Sr Prin - SW

Fairborn, OH · On-site

$120K - $205K/yr

The Engineering, Science and Analysis (ESA) Strategic Capability Unit (SCU) at BAE Systems Inc ... Web and REST service development using Spring, Jersey, Flask, CherryPy, or Ruby on Rails ...

Eng Prin - SW

Fairborn, OH · On-site

$107K - $182K/yr

The Engineering, Science and Analysis (ESA) Strategic Capability Unit (SCU) at BAE Systems Inc ... Web and REST service development using Spring, Jersey, Flask, CherryPy, or Ruby on Rails ...

Eng Sr - SW

Fairborn, OH · On-site

$88K - $149K/yr

The Engineering, Science and Analysis (ESA) Strategic Capability Unit (SCU) at BAE Systems Inc ... Web and REST service development using Spring, Jersey, Flask, CherryPy, or Ruby on Rails ...

Showing results 41-46

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.

Senior Principal Engineer - Full-Stack Ground Software Developer with Security Clearance

BAE Systems

Fairborn, OH • On-site

$120K - $205K/yr

Other

Medical, Dental, Vision, Life, Retirement, PTO

This job post has expired 1 day ago. Applications are no longer accepted.


BAE Systems rating

8.4

Company rating: 8.4 out of 10

Based on 150 frontline employees who took The Breakroom Quiz

10th of 49 rated military and defense


Job description

Job Description The Engineering, Science and Analysis (ESA) Strategic Capability Unit (SCU) at BAE Systems Inc, Space and Mission Systems (SMS) Sector is looking to expand our team with a talented and energetic software engineer to work on satellite ground system software delivering new capability to the industry. This position consists of working on a tightly integrated team in a fast-paced Agile environment to deliver continuous innovation to our customers. The Engineering, Science and Analysis (ESA) Strategic Capabilities Unit comprises the technical talent and organizational leadership that enables the successful delivery of high-impact discriminating technologies for our customers' missions. Our collaborative, cross-functional teams are committed to innovation, integrity, continual learning and strong execution. What You'll Do: * Develop satellite command and control, mission planning, and data analysis software systems.
* Perform full software life cycle functions including software requirements, architecture, design, code, test, integration, documentation, and support.
* Maintain a regular and predictable work schedule.
* Establish and maintain effective working relationships within the department, the Strategic Business Units, Strategic Capabilities Units and the Company. Interact appropriately with others in order to maintain a positive and productive work environment.
* Perform other duties as necessary. On-Site Work Environment: This position requires regular in-person engagement by working on-site five days each normally scheduled week in the primary work location. Travel and local commute between company campuses and other possible non-company locations may be required. Working Conditions: * Work is performed in an office, laboratory, production floor, or cleanroom, outdoors or remote research environment.
* May occasionally work in production work centers where use of protective equipment and gear is required.
* May access other facilities in various weather conditions. Required Education, Experience, & Skills * BS degree or higher in Engineering or a related technical field is required plus 8 or more years related experience.
* Each higher-level degree, i.e., Master's Degree or Ph.D., may substitute for two years of experience. Related technical experience may be considered in lieu of education. Degree must be from a university, college, or school which is accredited by an agency recognized by the US Secretary of Education, US Department of Education.
* A current, active TS/SCI security clearance is required.
* Experience with satellite ground system development with a focus on distributed C2, data processing, or mission planning software.
* Experience with industry-standard ground systems such as COSMOS, ECLIPSE, OS/COMET, or OASIS.
* Experience delivering high-reliability software in an agile, team-based environment with a solid CI/CD workflow.
* Experience in one or more of the following technology areas:
* Cloud development using AWS, Lambda, Docker, and Kubernetes.
* Web and REST service development using Spring, Jersey, Flask, CherryPy, or Ruby on Rails.
* Front-end and UX development using JavaScript, Angular, React, JavaFX, Python, or Qt.
* Back-end development using SQL and NoSQL databases, and JPA/ORM.
* Modeling, planning, or scheduling software development in languages such as Java, C++, or Python. #LI-AP1 Preferred Education, Experience, & Skills * Any experience in mission management, command & control, mission data processing, ground terminal and infrastructure domains.
* Any experience with any ground or mission integration including operations readiness activities, rehearsals and launch support activities.
* Any experience with Risk Management Framework (RMF) and Information Assurance (IA) in developing ground systems.
* Experience with Agile EVM and Agile software development methodologies.
* Knowledge of Continuous Integration and Continuous Development (CICD) principles with security requirements as part of practicing DevSecOps on programs.
* Experience in cloud development environment.
* Experience with requirements management tool like Jama or DOORS.
* Experience with Model Base Systems Engineering (MBSE) SysML diagrams (Block Diagrams, Inner Block Diagrams, Sate Machines, Activity Diagrams and Sequence Diagrams) and UML diagrams (Class Diagrams, Sequence of Events Diagrams, and Activity Diagrams).
* Experience with Atlassian Tools such as Confluence and Jira. Pay Information
Full-Time Salary Range: $120874 - $205486 Please note: This range is based on our market pay structures. However, individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience. Employee Benefits: At BAE Systems, we support our employees in all aspects of their life, including their health and financial well-being. Regular employees scheduled to work 20+ hours per week are offered: health, dental, and vision insurance; health savings accounts; a 401(k) savings plan; disability coverage; and life and accident insurance. We also have an employee assistance program, a legal plan, and other perks including discounts on things like home, auto, and pet insurance. Our leave programs include paid time off, paid holidays, as well as other types of leave, including paid parental, military, bereavement, and any applicable federal and state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition awards. Other incentives may be available based on position level and/or job specifics. About BAE Systems Space & Mission Systems BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. Improving the future and protecting lives is an ambitious mission, but it's what we do at BAE Systems. Working here means using your passion and ingenuity where it counts - defending national security with breakthrough technology, superior products, and intelligence solutions. As you develop the latest technology and defend national security, you will continually hone your skills on a team-making a big impact on a global scale. At BAE Systems, you'll find a rewarding career that truly makes a difference. Headquartered in Boulder, Colorado, Space & Mission Systems is a leading provider of national defense and civil space applications, advanced remote sensing, scientific and tactical systems for government and commercial customers. We continually pioneer ways to innovate spacecraft, mission payloads, optical systems, and other defense and civil capabilities. Powered by endlessly curious people with an unwavering mission focus, we continually discover ways to enable our customers to perform beyond expectation and protect what matters most. This position will be posted for at least 5 calendar days. The posting will remain active until the position is filled, or a qualified pool of candidates is identified. Multiple positions may be available on this opening.

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About BAE Systems

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At BAE Systems, we provide some of the world's most advanced, technology-led defence, aerospace and security solutions. We employ a skilled workforce of more than 93,000 in around 40 countries. Working with customers and local partners, we develop, engineer, manufacture, and support products and systems to deliver military capability, protect national security and people, and keep critical information and infrastructure secure.

Industry

National security and international affairs and it services

Company size

10,000+ Employees

Headquarters location

Falls Church, VA, US