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Freelance Java Backend Developer Jobs in Columbus, OH

Sidram Technologies

Java Backend Developer

Columbus, OH · On-site

Java Backend Developer No sponsorship, local to Columbus, OH with 4 days' work in Easton office. Rate - $70 -80/hr on w2 Salary - $120,000/Yearly - $130,000/yearly + Benefits Must be in Columbus OH ...

Cogent Info

Java Developers

Columbus, OH

$47.75 - $61.75/hr

Java Backend Developer * Primary Skills: Java, Spring Boot, Spring Framework, RESTful API Development, Microservices Architecture, SQL (MySQL/PostgreSQL/Oracle), Hibernate/JPA, Maven/Gradle, Git

SysMind Tech

Sr Java Developer - PA

Westerville, OH · On-site

$55.25 - $70.50/hr

... Strong backend experience to develop Data Layer using at least one of tperson frameworks like ... Can we use Freelancer? : No * Named Job Posting? (if Yes - needs to be approved by SCSC) : No

Hirekeyz Inc

Java AWS Lead

Columbus, OH · On-site

... back-end developer role Design and developer application using Core Java Design and developer ... application using J2EE. Experience in J2EE design patterns Create/consume Rest APIs & Microservices ...

Yochana

Senior OMS Developer with Java Backend

Columbus, OH · On-site

$112K - $146K/yr

We are seeking an experienced and hands-on developer to design, customize, and support our Order Management System (OMS) using Core Java, Spring Boot, and microservices architecture. The ideal ...

Syntricate Technologies

Java Developer

Columbus, OH · Hybrid

$60/hr

Java Developer Java Developer Jersey City NJ or Tampa FL or Columbus OH (Hybrid) 6 Months contract ... Backend - Java Spring Kafka and Microservices. * Full stack - Java Spring and React

Omni Inclusive

Java Developer

Columbus, OH

$47.75 - $61.75/hr

Iot Java Developer The role is for a software engineer to help modernize and grow the Global ... The candidate will be responsible for backend development efforts. The role primarily requires ...

TriOptus LLC

Backend Java Developer

Columbus, OH · On-site

$48.75 - $63.25/hr

Java, Python, C#/.Net, Mean, Ruby, JSON Database (mandatory): * SQL, MAriaDB, S3, DB2, IMS Skills: * DevOPS * Broadcom Endevor, BitBucket, GITHub, Jules, Jenkins * Agile * Atlasian Suite (JIRA ...

Judge Group, Inc.

fullstack java developer

Columbus, OH · Remote

$55 - $60/hr

Mid-Level Java Developer Location: Columbus, OH (4 days onsite, 1 day remote) Type: 3+ Months ... Build, enhance, and support Java-based backend services and microservices that power enterprise ...

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 ...

Purple Drive Technologies

Java AWS lead

Columbus, OH · On-site

Java AWS lead Location: Columbus, OH (12+ years) Need well experienced person in managing a team ... developers." * "Develop and maintain high-quality, scalable, and performant backend services using ...

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

As of Jun 17, 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 Backend Developer

Sidram Technologies

Columbus, OH • On-site

Full-time

Posted 13 days ago

Job description

Java Backend Developer 

No sponsorship, local to Columbus, OH with 4 days’ work in Easton office.

Rate - $70 -80/hr on w2

Salary - $120,000/Yearly - $130,000/yearly + Benefits

Must be in Columbus OH

Description

  • In this position, the successful candidate will design and implement complex IT solutions that are in line with the enterprise architecture roadmap. The successful candidate will:
  • Responsibilities:
  • Deliver well-designed, quality software in either an agile or waterfall environment
  • Work on a team to ensure successful delivery of solutions that add value to Huntington's colleagues and customers as-well-as achieve business objectives.
  • Understand business requirements.
  • Communicate clearly with business and technology stakeholders to develop a proposed solution.
  • Be the primary technical team owner of projects and project technical deliverables.

Basic Qualifications:

  • Bachelor's degree in Computer Science, Information Systems, Business or other related field/experience
  • 5+ years of relevant experience working with technology teams to deliver business and technical solutions leveraging your skills with Java, Rest API, Fuse, Kafka and JSON
  • 5+ years of experience and proven understanding of DevOps, continuous integration, container-based applications, cloud deployment architectures.

Preferred Qualifications:

  • Highly motivated with strong organizational, analytical, decision making, and problem-solving skills.
  • Ability to work in a fast-paced environment, handle multiple priorities and effectively prioritize them.
  • Experience in working on initiatives that involve business segments.
  • Expert understanding of agile concepts and an agile mindset. Working knowledge of Scrum and Kanban delivery frameworks.
  • High level of professionalism and confidence with the ability to build credibility with leadership, team members, and business partners and establish effective working relationships.
  • Ability to problem-solve to produce quality deliverables on time and on budget.
  • Excellent written and verbal communication skills with a proven ability to interact effectively across all organizational levels and explain technical concepts clearly and concisely to multiple layers of peers and leadership.
  • Experience with Fraud Technology
  • hands-on software development experience in Java with knowledge of Object Oriented Design.
  • In-depth understanding of the entire web development process (design, development and deployment)
  • Experience with J2EE, Spring Boot, Web Services, REST API development and consumption
  • Agile development, build processes, testing, and operations.
  • Knowledge of SQL and experience working with a RDBMS like Oracle or MySQL
  • Troubleshoot and debug applications
  • Experience with implementation of Microservices using Spring Boot and CI/CD tools on Jenkins and Kubernetes.
  • Experience with development of RESTful web services using JAX-RS and used Swagger for REST API documentation.
  • Build and maintain code repositories and code migrations using CI/CD strategies (GIT, SVN, CSV, Jenkins).
  • Experience with creating and maintaining architecture for Restful API using Spring Boot.
  • Hands on experience with writing SQL queries, stored procedures and triggers in databases via  Oracle and DB2.
  • Have used Swagger and API testing tools
  • Experience with data structures and algorithms for time and memory complexity reduction
  • Have experience with JWT mechanism for authentication, authorization, and data exchange.
  • Experience with Apache Maven Build tool to automate the build process for the entire application
  • Experience with GCP infrastructure
  • Hands on experience with GCP Products like Cloud Run , Terraform , Big Data , Big Query
  • Possess 3+ year of professional experience in leading development team members and partnering with business and operational partners
  • Min 5+ yrs of IBM DataPower Gateway, IBM Integration Service Bus (IIB) / ACE with special focus in back end development building Web services and RESTful web services.
  • Knowledgeable with IBM MQ Websphere

rojer@sidramtech.com