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Freelance Java Developer Jobs in Jersey City, NJ

Solomon Page

Software Engineer

Manhattan, NY · On-site

$40/hr

  • Medical

  • Dental

  • Retirement

... Java/Spring Boot and React/JavaScript, along with cloud and DevOps expertise. * Pay range :$35/hr ... freelancers - which sets us apart in the industries we serve. About Solomon Page Founded in 1990 ...

Solomon Page

OMS Platform Reliability Lead

Berkeley Heights, NJ · On-site

$55 - $60/hr

  • Medical

  • Dental

  • Retirement

... engineers on roadmap and platform upgrades * Mentor the RUN team on GraphQL optimization and Java ... freelancers - which sets us apart in the industries we serve. About Solomon Page Founded in 1990 ...

Publicis Groupe Holdings B.V

Senior Software Engineer

Manhattan, NY · On-site

$87K - $137K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

... Java, Go, Dart, etc.). * Hands-on experience calling or fine-tuning GenAI/LLM APIs (e.g., GPT-4o ... Temporary roles may be eligible to participate in our freelancer/temporary employee medical plan ...

Publicis Groupe Holdings B.V

Senior Software Engineer

Manhattan, NY · On-site

$87K - $137K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

... Java, Go, Dart, etc.). * Handson experience calling or finetuning GenAI/LLM APIs (e.g., GPT4o ... Temporary roles may be eligible to participate in our freelancer/temporary employee medical plan ...

Solomon Page

Application Security Consultant

Parsippany, NJ · On-site

$70 - $80/hr

  • Medical

  • Dental

  • Retirement

You will partner with engineering, architecture, and business teams to ensure security is embedded ... Ability to review and assess code written in Node.js, JavaScript, Java, or Python. * Experience ...

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Freelance Java Developer information

See Jersey City, NJ salary details

$16

$59

$80

How much do freelance java developer jobs pay per hour?

As of Aug 14, 2026, the average hourly pay for freelance java developer in Jersey City, NJ is $59.18, according to ZipRecruiter salary data. Most workers in this role earn between $51.20 and $66.25 per hour, depending on experience, location, and employer.

What are common challenges freelance Java developers face and how can they be managed?

Freelance Java Developers often face challenges such as fluctuating workloads, managing multiple client expectations, and staying updated with rapidly evolving technologies. To overcome these, it's important to set clear project boundaries, maintain organized schedules, and continuously invest in professional development. Building a strong professional network can help secure repeat business and collaborations, while leveraging productivity and project management tools helps keep tasks on track. Additionally, proactive communication and transparency with clients foster trust and ensure smoother project delivery.

What is a freelance Java developer?

A Freelance Java Developer is a self-employed professional who specializes in Java programming for various clients on a contract basis. They work on tasks such as developing applications, fixing bugs, optimizing code, and integrating third-party APIs. Unlike full-time employees, freelancers have flexible schedules and can work with multiple clients simultaneously. They usually find work through freelance platforms, networking, or direct client outreach. Payment and project scope vary depending on the agreement with the client.

What skills and qualifications are needed to be a freelance Java developer?

To thrive as a Freelance Java Developer, you need deep expertise in Java programming, object-oriented design, and strong knowledge of frameworks like Spring or Hibernate, typically supported by a degree in computer science or equivalent experience. Familiarity with build tools (such as Maven or Gradle), version control systems (like Git), and cloud platforms (such as AWS or Azure) is often required, and certifications like Oracle Certified Professional Java Programmer can boost credibility. Effective communication, time management, and self-motivation are critical soft skills for managing client relationships and project timelines. These skills ensure high-quality deliverables, client satisfaction, and ongoing success in the dynamic freelance environment.

What are the most commonly searched types of Java Developer jobs in Jersey City, NJ?

The most popular types of Java Developer jobs in Jersey City, NJ are:

What are popular job titles related to Freelance Java Developer jobs in Jersey City, NJ?

For Freelance Java Developer jobs in Jersey City, NJ, the most frequently searched job titles are:

What job categories do people searching Freelance Java Developer jobs in Jersey City, NJ look for?

The top searched job categories for Freelance Java Developer jobs in Jersey City, NJ are:

What cities near Jersey City, NJ are hiring for Freelance Java Developer jobs?

Cities near Jersey City, NJ with the most Freelance Java Developer job openings:

Freelance Java Developer jobs near you
Infographic showing various Freelance Java Developer job openings in Jersey City, NJ as of August 2026, with employment types broken down into 78% Full Time, 10% Part Time, and 12% Contract. Highlights an 62% In-person, and 38% Remote job distribution, with an average salary of $123,094 per year, or $59.2 per hour.

Senior Developer (ARDA / PostgreSQL) New York

Ready

New York, NY • On-site

$4.0K - $4.3K/mo

Full-time

This job post has expired today. Applications are no longer accepted.

Job description

We are looking for a Senior Developer (ARDA / PostgreSQL) to join a large-scale enterprise modernization project. The ideal candidate will have strong experience with ARDA, PostgreSQL, and enterprise database environments, with a proven ability to support application modernization initiatives, database segregation, and high-performance production systems.
Responsibilities
  • Refactor the ARDA application code to integrate with a dedicated PSI PostgreSQL database instance.
  • Design and implement the segregation of PSI from the current shared database environment into a dedicated architecture.
  • Review application dependencies to ensure secure and efficient integration.
  • Design, develop, and implement solutions focused on application modernization.
  • Participate in database migration projects while ensuring business continuity.
  • Optimize database performance through performance tuning and best practices.
  • Support enterprise-scale production environments and troubleshoot critical issues.
  • Collaborate with cross-functional teams to design scalable and reliable technical solutions.

Requirements
  • 5+ years of experience as a Software Developer, Backend Developer, or similar role.
  • Hands-on experience with PSI Database Segregation or dedicated PSI database implementations.
  • Strong experience with PostgreSQL and SQL.
  • Experience working with ARDA.
  • Experience supporting enterprise-scale production environments.
  • Experience with Application Modernization and System Design.
  • Experience with database migrations.
  • Strong knowledge of database performance tuning.
  • Experience supporting business-critical production applications.
  • Advanced English (required).
  • Excellent problem-solving, communication, and collaboration skills.
Nice to Have
  • Experience with AWS Aurora PostgreSQL.
  • Previous experience supporting Santander applications.
  • Experience with ARDA or PSI-related systems.
Conditions
  • Payment: 4.300 USD.
  • Location: 100% On-site in New York, USA.
  • Schedule: Full-time.
  • Project Duration: Long-term.
  • Modality: contractor (freelance)

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