ZipRecruiter

Log In

1

Freelance Junior Java Developer Jobs in Columbus, OH

Deloitte

Guidewire PolicyCenter Sr Developer

Columbus, OH

$52.75 - $69.50/hr

In addition to contributing through hands-on development, you will help guide junior practitioners ... A strong Java, Gosu (Guidewire), EJB, BPEL, UNIX background Experience with Business Process ...

previous page

Showing results 41-60

All JobsJava Developer JobsFreelance Junior Java Developer JobsFreelance Junior Java Developer Jobs in Columbus, OH

Freelance Junior Java Developer information

See Columbus, OH salary details

$58.9K

$103.2K

$155.5K

How much do freelance junior java developer jobs pay per year?

As of Aug 18, 2026, the average yearly pay for freelance junior java developer in Columbus, OH is $103,182.00, according to ZipRecruiter salary data. Most workers in this role earn between $72,900.00 and $102,900.00 per year, depending on experience, location, and employer.

What is a freelance junior Java developer?

A Freelance Junior Java Developer is an entry-level programmer who works independently on a contract basis, specializing in Java development. They typically handle coding, debugging, and basic software tasks for clients rather than being employed full-time by a single company. Freelance junior developers often work on smaller projects or assist senior developers, allowing them to gain experience and build their portfolios. This role requires a solid understanding of Java fundamentals and the ability to adapt to different project requirements.

What are the key skills and qualifications needed to thrive as a freelance junior Java developer, and why are they important?

To thrive as a Freelance Junior Java Developer, you need a solid grasp of Java programming, basic software development principles, and a relevant degree or coursework in computer science. Familiarity with tools like Eclipse or IntelliJ IDEA, version control systems such as Git, and an understanding of basic frameworks like Spring Boot are typically required. Strong problem-solving abilities, effective time management, and clear communication make you stand out when collaborating remotely with clients. These skills and qualities are essential to deliver reliable code, meet project deadlines, and build lasting professional relationships as a freelancer.

What are some common challenges freelance junior Java developers face when starting out, and how can they overcome them?

Freelance junior Java developers often face challenges such as finding consistent projects, adapting quickly to different client codebases, and managing their own schedules and client communications. Building a strong online portfolio and actively networking in developer communities can help attract more clients. Additionally, setting clear expectations with clients and continuously improving technical and soft skills are key to overcoming early hurdles and building a successful freelance career.

What is the difference between Freelance Junior Java Developer vs Junior Java Developer?

AspectFreelance Junior Java DeveloperJunior Java Developer
Work EnvironmentIndependent, remote or contract-based projectsFull-time employment in a company or organization
CredentialsTypically requires basic Java knowledge, some coding experienceOften requires a degree or certification in computer science or related field
Employer & Industry UsageClients across various industries, project-basedEmployers in tech, finance, or enterprise sectors
Work ScopeLimited to specific projects, flexible hoursPart of a team, involved in ongoing development tasks

In summary, a Freelance Junior Java Developer works independently on short-term projects, often remotely, with flexible hours and minimal formal employment ties. In contrast, a Junior Java Developer is typically employed full-time within a company, working as part of a team on continuous development tasks, often requiring formal education or certifications.

What are popular job titles related to Freelance Junior Java Developer jobs in Columbus, OH?

For Freelance Junior Java Developer jobs in Columbus, OH, the most frequently searched job titles are:

What job categories do people searching Freelance Junior Java Developer jobs in Columbus, OH look for?

The top searched job categories for Freelance Junior Java Developer jobs in Columbus, OH are:

What cities near Columbus, OH are hiring for Freelance Junior Java Developer jobs?

Cities near Columbus, OH with the most Freelance Junior Java Developer job openings:

Freelance Junior Java Developer jobs near you
Infographic showing various Freelance Junior Java Developer job openings in Columbus, OH as of August 2026, with employment types broken down into 81% Full Time, 5% Part Time, and 14% Contract. Highlights an 83% Physical, 5% Hybrid, and 12% Remote job distribution, with an average salary of $103,182 per year, or $49.6 per hour.

z/OS Connect API Engineer

ITTConnect

Columbus, OH • On-site

Full-time

Posted 19 days ago

Job description


ITTConnect is seeking a z/OS Connect API Engineer/Junior Architect to work on site for a client in the Columbus, OH area. This is a contract position with a client that is a global leader in consulting, digital transformation, technology and engineering services with over 300,000 team members in nearly 50 countries. The end client is in the Utilities sector.
Job location: Preferably Columbus, OH (on site work). Remote is also a possibility.
The z/OS Connect API Engineer/Architect is responsible for modernizing mainframe services through API enablement using IBM z/OS Connect. This role bridges traditional CICS/COBOL systems with modern API and cloud-native architectures while enabling secure, scalable, and reusable integration capabilities.
Key Responsibilities:
  • Installation and configuration of a new IBM z/OS Connect EE and WebSphere Liberty environment from scratch
  • Develop REST APIs using IBM z/OS Connect.
  • Expose CICS and DB2 transactions through modern API contracts.
  • Build and maintain API service definitions, mappings, and YAML configurations.
  • Develop OpenAPI specifications aligned with enterprise standards.
  • Configure and support JWT, OAuth2, OIDC, RACF, and certificate-based authentication.
  • Implement CI/CD deployment pipelines using GitHub Actions and Gradle.
  • Support integration with APIM as the enterprise API gateway.
  • Troubleshoot performance, security, and connectivity issues.
  • Develop onboarding templates and reusable API accelerators.
  • Participate in mainframe modernization initiatives and Shadow Service migration efforts.

Requirements
Required Skills:
  • IBM z/OS Connect
  • REST APIs
  • OpenAPI
  • JSON/XML
  • CICS
  • COBOL
  • DB2
  • RACF
  • GitHub
  • CI/CD

Preferred Skills:
  • APIM
  • Java
  • Spring Boot
  • OAuth2/OIDC
  • Mainframe modernization programs

Apply