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Freelance Java Backend Developer Jobs in Columbus, OH

Purple Drive Technologies

Java AWS Lead

Columbus, OH · On-site

Java Frameworks - Spring Boot, AWS Cloud, microservices, kafka * DevOps tools - Splunk, Dynatrace ... developers." * "Develop and maintain high-quality, scalable, and performant backend services using ...

Ampcus Inc

Java Developers - Columbus, OH / Jay

Columbus, OH

$47.75 - $61.75/hr

Java (5 7 years hands-on, strong backend) * Spring Boot / Microservices architecture * Strong SQL ... Developers who can quickly understand large, complex systems * Strong debugging mindset (NOT just ...

SmartIPlace

Java Developer

Columbus, OH · On-site

$50 - $55/hr

Expertise in object-oriented design and modern Java features for scalable, maintainable backend ... Built and managed pipelines in Azure DevOps; experienced in Git-based version control and ...

Centstone

Senior Java Engineer - W2

Columbus, OH · On-site

$120.70K - $158.90K/yr

We are seeking a highly skilled Senior Java Engineer with strong backend development experience in the banking/financial domain . The ideal candidate will have expertise in building scalable, high ...

COGENT Infotech

Java Developers

Columbus, OH · On-site

$49.25 - $63.75/hr

They are seeking mid-level Java professionals who are passionate about building high-performance ... The role involves designing and developing backend services, maintaining microservices ...

Manifest Solutions

Sr. Software Engineer - UI/React

Dublin, OH · On-site

$122.80K - $153K/yr

Collaborate with backend teams (Java, Spring Boot) to design clean APIs and efficient data flows. * Bridge UI/UX design and backend engineering, ensuring consistency, performance, and maintainability.

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

As of May 31, 2026, the average hourly pay for freelance java backend developer in Columbus, OH is $52.77, according to ZipRecruiter salary data. Most workers in this role earn between $46.92 and $60.82 per hour, depending on experience, location, and employer.
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Java AWS Lead

Purple Drive Technologies

Columbus, OH • On-site

Full-time

Posted 24 days ago

Job description

Overview:
Need well experienced person in managing a team.
Mandatory skills:
  • Java Frameworks - Spring Boot, AWS Cloud, microservices, kafka
  • DevOps tools - Splunk, Dynatrace & Automation
  • React Based UI
  • RESTful APIs.
  • DevOps - Automation

Detailed Job Description:
  • 8+ years of experience in Java development, with proficiency in Java 8+.
  • Strong experience with Spring Boot, Spring Cloud, and other modern Java frameworks.
  • Experience with Camunda BPM or similar business process management tools and process automation frameworks.
  • Proficiency in developing and consuming RESTful APIs.
  • Experience in integrating backend systems with UI React platforms and knowledge of frontend-backend communication (e.g., using REST APIs, WebSockets, etc.).
  • Strong understanding of microservices architecture, cloud-based applications, and containerized environments (Docker, Kubernetes).
  • Experience with SQL and NoSQL databases, including database design and query optimization.
  • Familiarity with Agile development methodologies, version control systems (Git), and CI/CD pipelines.
  • Excellent problem-solving and debugging skills, with a focus on performance and scalability.
  • Strong communication and collaboration skills, with the ability to work effectively in a team and mentor junior developers."
  • "Develop and maintain high-quality, scalable, and performant backend services using Java, Spring Boot, Spring Cloud, and other Java frameworks.
  • Collaborate closely with frontend teams to integrate React-based user interfaces with backend systems, ensuring smooth communication and efficient data exchange."
  • "Work with Camunda BPM to design and integrate business process management workflows into backend applications, streamlining process automation and improving efficiency.
  • Ensure that applications are developed with best practices for security, scalability, and performance.
  • Write well-tested, maintainable, and high-quality code in a collaborative, Agile environment"
  • "Troubleshoot, debug, and optimize applications to improve performance and user experience.
  • Provide technical leadership, mentoring junior developers, and guiding the team in adopting best practices and improving coding standards."
  • "Participate in the architecture and design of backend systems, making key decisions regarding technology and implementation.
  • Collaborate with cross-functional teams to ensure that business requirements are met with technical solutions."
  • Stay current with the latest developments in Java, UI technologies, and BPM, incorporating new tools and best practices into the development process.

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