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Contract Java Developer Jobs in Mason, OH (NOW HIRING)

SDET with Karate API

Cincinnati, OH · On-site

$48 - $62/hr

Cincinnati, OH - Onsite (F2F Interview) Duration: 12+ Months and Contract Need only Local ... Experience with Java and Java-based automation frameworks. * Strong experience with Git/GitHub ...

Java Description: At least 5 years relevant experience required. Develops, implements, and ... Contract Salary: $60,000.00 /year Required education: * Bachelor's Required experience: * Developer ...

SDET - 100 % Remote

Cincinnati, OH · Remote

$51.25 - $66/hr

Contract (potential to extend or convert based on performance and headcount) As part of a cross ... Proven track record of building test automation in one or more programming languages (Java ...

DevOps Engineer

Cincinnati, OH · Remote

$95K - $105K/yr

Contract To Hire Compensation: $95,000.00-$105,000.00 Work Model: Remote - offsite Hours: 40.0 ... Java is a plus. * Experience with API integration and troubleshooting. * Knowledge of source ...

... Java with APIs and data services, including FastAPI, Flask, REST, GraphQL, or SQL * Experience ... as well as contract-specific affordability and organizational requirements. The projected ...

AI Developer

Beavercreek, OH · On-site

$77K - $176K/yr

... Java with APIs and data services, including FastAPI, Flask, REST, GraphQL, or SQL * Experience ... as well as contract-specific affordability and organizational requirements. The projected ...

AI Developer

Beavercreek, OH · On-site +1

$77K - $176K/yr

... Java with APIs and data services, including FastAPI, Flask, REST, GraphQL, or SQL * Experience ... as well as contract-specific affordability and organizational requirements. The projected ...

... Java with APIs and data services, including FastAPI, Flask, REST, GraphQL, or SQL * Experience ... as well as contract-specific affordability and organizational requirements. The projected ...

... Java with APIs and data services, including FastAPI, Flask, REST, GraphQL, or SQL * Experience ... as well as contract-specific affordability and organizational requirements. The projected ...

AI Developer

Beavercreek, OH · On-site

$77K - $176K/yr

... Java with APIs and data services, including FastAPI, Flask, REST, GraphQL, or SQL * Experience ... as well as contract-specific affordability and organizational requirements. The projected ...

AI Developer

Beavercreek, OH · On-site

$77K - $176K/yr

... Java with APIs and data services, including FastAPI, Flask, REST, GraphQL, or SQL * Experience ... as well as contract-specific affordability and organizational requirements. The projected ...

AI Developer

Beavercreek, OH · On-site

$77K - $176K/yr

... Java with APIs and data services, including FastAPI, Flask, REST, GraphQL, or SQL * Experience ... as well as contract-specific affordability and organizational requirements. The projected ...

AI Developer

Beavercreek, OH · On-site

$77K - $176K/yr

... Java with APIs and data services, including FastAPI, Flask, REST, GraphQL, or SQL * Experience ... as well as contract-specific affordability and organizational requirements. The projected ...

AI Developer

Beavercreek, OH · On-site

$77K - $176K/yr

... Java with APIs and data services, including FastAPI, Flask, REST, GraphQL, or SQL * Experience ... as well as contract-specific affordability and organizational requirements. The projected ...

AI Developer

Beavercreek, OH · On-site

$77K - $176K/yr

... Java with APIs and data services, including FastAPI, Flask, REST, GraphQL, or SQL * Experience ... as well as contract-specific affordability and organizational requirements. The projected ...

... Java with APIs and data services, including FastAPI, Flask, REST, GraphQL, or SQL * Experience ... as well as contract-specific affordability and organizational requirements. The projected ...

... Java with APIs and data services, including FastAPI, Flask, REST, GraphQL, or SQL * Experience ... as well as contract-specific affordability and organizational requirements. The projected ...

Showing results 41-60

Contract Java Developer information

See Mason, OH salary details

$14

$53

$72

How much do contract java developer jobs pay per hour?

As of Sep 9, 2026, the average hourly pay for contract java developer in Mason, OH is $53.32, according to ZipRecruiter salary data. Most workers in this role earn between $46.11 and $59.66 per hour, depending on experience, location, and employer.

What is a contract Java developer?

Contract Java Developers are software professionals who specialize in the Java programming language and are hired on a contract basis, rather than as permanent employees. They typically work for a set period of time or on a specific project, developing, testing, and maintaining Java-based applications according to the client’s requirements. These developers are often brought in to provide specialized expertise, handle workload spikes, or complete short-term projects. Their roles may include writing code, fixing bugs, integrating systems, and ensuring applications meet performance and security standards.

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

To thrive as a Contract Java Developer, you need strong Java programming skills, experience with object-oriented design, and a solid understanding of software development lifecycles, typically supported by a relevant degree or certifications. Familiarity with frameworks like Spring, build tools such as Maven or Gradle, and version control systems like Git is commonly required. Excellent problem-solving, adaptability, and clear communication skills help you efficiently integrate with new teams and projects. These abilities ensure you can quickly deliver high-quality, maintainable code that meets client requirements in a dynamic contract environment.

What are some common challenges faced by contract Java developers when integrating with existing teams and projects?

Contract Java Developers often need to quickly adapt to unfamiliar codebases and team workflows, which can be challenging given tight project timelines. Effective communication is essential, as they must coordinate with permanent staff, understand project requirements, and align with established coding standards and deployment processes. Many contractors also need to manage multiple projects or clients simultaneously, requiring strong time management skills. Proactively seeking clarity on expectations and leveraging onboarding resources can help ease the integration process.

What is the difference between Contract Java Developer vs Contract Software Engineer?

AspectContract Java DeveloperContract Software Engineer
Required CredentialsBachelor's in Computer Science, Java certificationsBachelor's in Computer Science or related, various programming certifications
Work EnvironmentDevelopment teams, client sites, remote optionsDevelopment teams, client sites, remote options
Industry UsageTech, finance, healthcare, e-commerceTech, finance, healthcare, e-commerce
Search & Comparison IntentFocus on Java-specific roles, Java projectsBroader software development roles, multiple languages

Contract Java Developers specialize in Java programming and are often sought for Java-specific projects. Contract Software Engineers have a broader scope, working with multiple programming languages and technologies. Both roles are common in tech industries and share similar work environments, but the Java Developer role is more focused on Java expertise.

Are Contract Java developers still in demand?

Contract Java developers remain in demand due to ongoing needs for software development, system integration, and enterprise applications. Skills in frameworks like Spring and experience with cloud platforms can enhance job prospects in this field.

What are the most commonly searched types of Java Developer jobs in Mason, OH?

The most popular types of Java Developer jobs in Mason, OH are:

What are popular job titles related to Contract Java Developer jobs in Mason, OH?

For Contract Java Developer jobs in Mason, OH, the most frequently searched job titles are:

What job categories do people searching Contract Java Developer jobs in Mason, OH look for?

The top searched job categories for Contract Java Developer jobs in Mason, OH are:

What cities near Mason, OH are hiring for Contract Java Developer jobs?

Cities near Mason, OH with the most Contract Java Developer job openings:

Infographic showing various Contract Java Developer job openings in Mason, OH as of August 2026, with employment types broken down into 83% Full Time, 4% Part Time, and 13% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $110,901 per year, or $53.3 per hour.

Software Developer IV

Beavercreek, OH

General Atomics
Space Research Administration • 10K+ employees

Full-time

Re-posted 17 days ago


Key responsibilities

  • Drive vision, strategy, and technical direction of autonomy projects and system architecture.

  • Lead small team of integration test engineers to support customer on site and debug Autonomy Software Systems.

  • Write and test software to support the integration of autonomy algorithms into aircraft or robotic systems.


General Atomics rating

9.0

Company rating: 9.0 out of 10

Based on 39 frontline employees who took The Breakroom Quiz

10th of 72 rated aerospace companies


Job description

Job Description
General Atomics Aeronautical Systems, Inc. (GA-ASI), an affiliate of General Atomics, is a world leader in proven, reliable remotely piloted aircraft and tactical reconnaissance radars, as well as advanced high-resolution surveillance systems.

We have an exciting opportunity for a Staff Autonomy Integration and Test in Dayton, OH. The Autonomy and Artificial Intelligence Solutions Software group is charted to develop and deploy end-to-end autonomous systems that enable unmanned aerial systems (UAS) to execute autonomous missions.

DUTIES AND RESPONSIBILITIES: 

  • Technical, Hands-On leader that will drive vision, strategy, and technical direction and system architecture of team’s autonomy projects.
  • Technically Lead small team of integration test  engineers to support customer on site.
  • Ability to debug Autonomy Software System with limited supervision.
  • Write and test software to support the integration of autonomy algorithms into aircraft (such as mission systems, payloads, or other functional components) or other robotic systems.
  • Design and prototype autonomous systems and validate designs through a series of purpose-designed experiments.
  • Participate in and coordinate the establishment of design concepts, criteria, and engineering efforts for product research, development, testing, and integration.
  • Interact with internal and external representatives at various levels concerning resolution of technical and scheduling issues. Act as primary contact for engineering activities.
  • Ensure technical leadership and excellence is maintained by participating in the planning, attraction, selection, retention, and development of the required management, professional, and technical talent.
  • Lead progress review sessions to discuss cost, schedule, and technical performance.
  • Identify engineering issues and provide leadership in developing software solutions to meet customer requirements.
  • Participate in the preparation of proposals, business plans, proposal work statements and specifications, operating budgets and financial terms/conditions of contract(s).
  • Technical mentor to junior engineers.
  • Responsible for ensuring all laws, regulations and other applicable obligations are observed wherever and whenever business is conducted on behalf of the Company.
  • Responsible for ensuring work is accomplished in a safe manner in accordance with established operating procedures and practices.
  • Other duties as assigned or required.

We recognize and appreciate the value and contributions of individuals with diverse backgrounds and experiences and welcome all qualified individuals to apply.

  • Typically requires a bachelors degree, masters degree or PhD in computer science, information systems or related discipline and progressive software development experience as follows; six or more years of experience with a bachelors degree, four or more years of experience with a masters degree, or two or more years with a PhD.  May substitute equivalent experience in lieu of education.
  • Has Strong Software System Architecture fundamentals.
  • Experience in two or more areas: autonomous control, optimization under uncertainty, route planning, trajectory optimization, autonomous decision making, collaborative autonomy, cognitive information processing, probability theory, obstacle avoidance, bio-inspired autonomy, perceptual autonomy, autonomous mission planning, mission systems
  • Experience in developing and leading scalable software architectures.
  • Demonstrated Technical leadership experience.
  • Research or industrial experience in the development of collaborative autonomous robotic systems.
  • Demonstrated ability to trouble-shoot complex systems.
  • Strong coding skills in Java, Java Script, C/C++, Python.
  • Excellent verbal and written communication skills.
  • Must be able to architect, design, and develop complex software.
  • Technical expertise in the application of engineering principles, concepts, theory, and practice as well as project management and leadership skills including organizing, planning, scheduling, and coordinating workloads to meet established deadlines or milestones.
  • Must possess the ability to resolve complex management and technical problems.
  • Strong communication, leadership, presentation, and interpersonal skills are required to enable an effective interface with other departments, all levels of management, professional and support staff, customers, potential customers, and government representatives.
  • Customer focused, must be able to work on a self-initiated basis and in a team environment, and able to work extended hours and travel as required.
  • Ability to obtain and maintain a DoD security clearance is required.

What General Atomics employees say

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About General Atomics

Sourced by ZipRecruiter

General Atomics (GA), and its affiliated companies, is one of the world's leading resources for high-technology systems development ranging from the nuclear fuel cycle to remotely piloted aircraft, airborne sensors, and advanced electric, electronic, wireless and laser technologies.

Industry

Space research administration

Company size

10,000+ Employees

Headquarters location

San Diego, CA, US

Year founded

1955