Cincinnati, OH · On-site
$125 - $150/hr
Position OverviewWe are seeking a Senior/Advanced Java Developer to support a newly established ... Experience developing RESTful APIs and backend microservices * Experience with API Gateway ...
Cincinnati, OH · On-site
$125 - $150/hr
Position OverviewWe are seeking a Senior/Advanced Java Developer to support a newly established ... Experience developing RESTful APIs and backend microservices * Experience with API Gateway ...
Cincinnati, OH · On-site
$122K - $160K/yr
They are seeking a Senior Software Engineer - Back End III to design, code, and debug applications ... JAVA software languages. • Software analysis, code analysis, requirements analysis, software ...
Cincinnati, OH · On-site
$122K - $160K/yr
They are seeking a Senior Software Engineer - Back End III to design, code, and debug applications ... JAVA software languages. • Software analysis, code analysis, requirements analysis, software ...
Blue Ash, OH · On-site
$49.75 - $68.25/hr
Job Title: Java Developer Location: Onsite, Blue Ash, OH Years of Experience: 7+ TOP SKILLS ... Experience developing RESTful APIs and backend microservices. * Experience with API Gateway ...
Quick apply
Blue Ash, OH · On-site
$49.75 - $68.25/hr
Job Title: Java Developer Location: Onsite, Blue Ash, OH Years of Experience: 7+ TOP SKILLS ... Experience developing RESTful APIs and backend microservices. * Experience with API Gateway ...
If you're passionate about delivering scalable backend systems using both Java Spring Boot and ... Collaborate with DevOps and operations teams to troubleshoot issues, optimize performance, and ...
If you're passionate about delivering scalable backend systems using both Java Spring Boot and ... Collaborate with DevOps and operations teams to troubleshoot issues, optimize performance, and ...
Cincinnati, OH · On-site
We are looking for a Full Stack Technical Lead with strong experience in modern web application development and Java-based backend engineering. * The ideal candidate will provide technical direction ...
Cincinnati, OH · On-site
We are looking for a Full Stack Technical Lead with strong experience in modern web application development and Java-based backend engineering. * The ideal candidate will provide technical direction ...
Cincinnati, OH · On-site
$50 - $55/hr
The Full Stack Developer designs, builds, and maintains end-to-end features across backend services ... Java, RESTful API, Spring Boot, MQTT protocol, React and TypeScript Qualified candidates should ...
Cincinnati, OH · On-site
$50 - $55/hr
The Full Stack Developer designs, builds, and maintains end-to-end features across backend services ... Java, RESTful API, Spring Boot, MQTT protocol, React and TypeScript Qualified candidates should ...
Cincinnati, OH · On-site
$109K - $131K/yr
Understanding of backend programming (e.g., Java, J2EE). * Analytical mindset with strong communication skills. * Business logic understanding for FDIC 370 compliance. * Driven, curious, and positive ...
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Cincinnati, OH · On-site
$109K - $131K/yr
Understanding of backend programming (e.g., Java, J2EE). * Analytical mindset with strong communication skills. * Business logic understanding for FDIC 370 compliance. * Driven, curious, and positive ...
Cincinnati, OH · On-site
Azure DevOps experience. * Experience working in large-scale enterprise technology environments ... React, TypeScript, Java 17-, Spring Boot, and reactive microservices. Backend services are ...
Cincinnati, OH · On-site
Azure DevOps experience. * Experience working in large-scale enterprise technology environments ... React, TypeScript, Java 17-, Spring Boot, and reactive microservices. Backend services are ...
Woodlawn, KY · On-site
$150 - $200/hr
Experience with Cross-Platform Developer. * Experience with UI/UX Design Integration. * Must be ... Integrate mobile apps with existing COBOL-based and Java-based backend systems. * Collaborate with ...
Woodlawn, KY · On-site
$150 - $200/hr
Experience with Cross-Platform Developer. * Experience with UI/UX Design Integration. * Must be ... Integrate mobile apps with existing COBOL-based and Java-based backend systems. * Collaborate with ...
Liberty Township, OH · On-site
... front-end and back-end solutions. The ideal candidate is comfortable working in an Agile ... Skills · Proficiency in one or more programming languages such as Python, Java, C#, or JavaScript ...
Quick apply
Liberty Township, OH · On-site
... front-end and back-end solutions. The ideal candidate is comfortable working in an Agile ... Skills · Proficiency in one or more programming languages such as Python, Java, C#, or JavaScript ...
Cincinnati, OH · On-site
$53.50 - $70.25/hr
Strong proficiency in Java and/or Kotlin, for Android development. * Deep understanding of the ... Integrate with backend services and APIs to connect apps with data sources and cloud platforms.
Cincinnati, OH · On-site
$53.50 - $70.25/hr
Strong proficiency in Java and/or Kotlin, for Android development. * Deep understanding of the ... Integrate with backend services and APIs to connect apps with data sources and cloud platforms.
Cincinnati, OH · On-site
$48 - $62/hr
Hands-on test automation with Java or JavaScript * API testing experience (Postman, REST Assured ... You'll be responsible for building scalable test automation frameworks, ensuring backend/API ...
Cincinnati, OH · On-site
$48 - $62/hr
Hands-on test automation with Java or JavaScript * API testing experience (Postman, REST Assured ... You'll be responsible for building scalable test automation frameworks, ensuring backend/API ...
... Java technologies. • Develop back-end solutions to help meet the university's business core ... Front-End Developer to extend university's selected content management system components and ...
... Java technologies. • Develop back-end solutions to help meet the university's business core ... Front-End Developer to extend university's selected content management system components and ...
Backend Engineering * Build Java-based backend services that support real-time, high-trust payment workflows with strong performance, observability, security, and operational discipline. * Own ...
Backend Engineering * Build Java-based backend services that support real-time, high-trust payment workflows with strong performance, observability, security, and operational discipline. * Own ...
Wyoming, OH · On-site
$150 - $200/hr
You will develop high‑performance backend services using Go, Python, and Java, and lead the ... strategy, enhance developer experience, and ensure reliable, secure, and cost‑efficient ...
Wyoming, OH · On-site
$150 - $200/hr
You will develop high‑performance backend services using Go, Python, and Java, and lead the ... strategy, enhance developer experience, and ensure reliable, secure, and cost‑efficient ...
Cincinnati, OH · Remote
$51.25 - $66/hr
Position: SDET Number of openings: 1 Onsite or Remote: Remote - 100% allowable Perm/Contract/CTH ... Java, JavaScript, etc.) · Strong knowledge with several years' experience testing APIs and backend ...
Quick apply
Cincinnati, OH · Remote
$51.25 - $66/hr
Position: SDET Number of openings: 1 Onsite or Remote: Remote - 100% allowable Perm/Contract/CTH ... Java, JavaScript, etc.) · Strong knowledge with several years' experience testing APIs and backend ...
Cincinnati, OH · On-site
$125 - $150/hr
Strong proficiency in back-end technologies (e.g., Java, C#, Python, Node.js, or similar ... Onsite collaboration with a tight-knit engineering team in Cincinnati * Influence over ...
New
Cincinnati, OH · On-site
$125 - $150/hr
Strong proficiency in back-end technologies (e.g., Java, C#, Python, Node.js, or similar ... Onsite collaboration with a tight-knit engineering team in Cincinnati * Influence over ...
New
Cincinnati, OH · On-site
$52.25 - $69/hr
The Great American Software Lab is looking for a collaborative, full-stack developer who is a passionate AI champion and change agent - an engineer with strong backend experience in Java/Spring Boot ...
Cincinnati, OH · On-site
$52.25 - $69/hr
The Great American Software Lab is looking for a collaborative, full-stack developer who is a passionate AI champion and change agent - an engineer with strong backend experience in Java/Spring Boot ...
Cincinnati, OH · On-site
$49.75 - $68.50/hr
Write clean, efficient, and well-documented code in Java, Kotlin, or other relevant languages ... Integrate with backend services and APIs to connect apps with data sources and cloud platforms.
Cincinnati, OH · On-site
$49.75 - $68.50/hr
Write clean, efficient, and well-documented code in Java, Kotlin, or other relevant languages ... Integrate with backend services and APIs to connect apps with data sources and cloud platforms.
... back-end language (Python, Java, .NET, Go, or Node.js) and a modern front-end framework (React ... Familiarity with CI/CD pipelines and DevOps practices. * Experience working in an Agile/Scrum ...
... back-end language (Python, Java, .NET, Go, or Node.js) and a modern front-end framework (React ... Familiarity with CI/CD pipelines and DevOps practices. * Experience working in an Agile/Scrum ...
$9.69 - $15.20
4% of jobs
$15.20 - $20.72
0% of jobs
$20.72 - $26.23
0% of jobs
$26.23 - $31.74
0% of jobs
$31.74 - $37.26
2% of jobs
$37.26 - $42.77
7% of jobs
$46.56 is the 25th percentile. Wages below this are outliers.
$42.77 - $48.29
17% of jobs
The median wage is $53.28 / hr.
$48.29 - $53.80
22% of jobs
$59.32 is the 75th percentile. Wages above this are outliers.
$53.80 - $59.32
23% of jobs
$59.32 - $64.83
17% of jobs
$64.83 - $70.35
8% of jobs
$9
$52
$70
Cities near Cincinnati, OH with the most Freelance Java Backend Developer job openings:
$125 - $150/hr
Other
Posted 12 days ago
7+ years of senior-level Java development experience
Strong hands‑on experience with Java, Spring, and Spring Boot
Experience developing RESTful APIs and backend microservices
Experience with API Gateway integration and enterprise system integrations
Hands‑on Point‑of‑Sale (POS) experience, including POS terminals or related test environments
Experience in PCI-scoped, payment, financial, or security‑sensitive environments
Strong ability to work onsite with cross‑functional technical teams
Java
Spring / Spring Boot
REST APIs
API Gateway
Microservices
POS Integration
PCI / Secure Development Practices
Kafka
Event‑Driven Architecture
Payment Systems
CI/CD
Cloud
Containers
Design, develop, and maintain backend services using Java and Spring Boot.
Integrate the new POS platform with the Omnichannel Payment Platform (OPP).
Develop and support integrations with enterprise API Gateway platforms and downstream services.
Troubleshoot and stabilize POS‑to‑backend and payment‑processing integrations.
Perform hands‑on testing and troubleshooting using physical POS terminals and test hardware in the onsite POS lab.
Develop secure, scalable, and highly available backend services.
Work within PCI‑scoped environments and follow applicable security and compliance standards.
Collaborate with POS, payment, architecture, QA, DevOps, and product teams.
Participate in technical design, code reviews, troubleshooting, and architecture discussions.
Develop automated unit and integration tests.
Investigate complex integration and production issues and drive them through resolution.
Support event‑driven architectures and messaging technologies as required.
Help establish development and integration practices for the OPP/POS team.
No SQL requirement.
Java
Spring / Spring Boot
REST APIs
API Gateway
Microservices
POS Integration
PCI / Secure Development Practices
Kafka
Event‑Driven Architecture
Payment Systems
CI/CD
Cloud
Containers
Design, develop, and maintain backend services using Java and Spring Boot.
Integrate the new POS platform with the Omnichannel Payment Platform (OPP).
Develop and support integrations with enterprise API Gateway platforms and downstream services.
Troubleshoot and stabilize POS‑to‑backend and payment‑processing integrations.
Perform hands‑on testing and troubleshooting using physical POS terminals and test hardware in the onsite POS lab.
Develop secure, scalable, and highly available backend services.
Work within PCI‑scoped environments and follow applicable security and compliance standards.
Collaborate with POS, payment, architecture, QA, DevOps, and product teams.
Participate in technical design, code reviews, troubleshooting, and architecture discussions.
Develop automated unit and integration tests.
Investigate complex integration and production issues and drive them through resolution.
Support event‑driven architectures and messaging technologies as required.
Help establish development and integration practices for the OPP/POS team.
