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Freelance Java Back End Developer Jobs in Philadelphia, PA

Forhyre

Consultant NodeJs with AWS (cloud)

Philadelphia, PA

$51.75 - $66.75/hr

The ideal candidate will have a minimum of 8 years of professional experience as an UI Developer and experience in Java Backend +Node JS +AWS or Fullstack + Node JS + AWS kind of profiles. As a ...

Collabera

Java Developer

Philadelphia, PA

$51.50 - $66.50/hr

Backend technology experience should include Java Enterprise Edition, Enterprise Java Beans 3.0, JPA, and JMS as well as Database experience with Oracle and MySQL. Qualifications * Strong debugging ...

TMS

Full Stack Java Developer

Fort Washington, PA · On-site

$65 - $70/hr

HTML5, CSS3, JavaScript/TypeScript - Experience with backend development using Java, Spring Boot ... of DevOps practices and CI/CD Pipelines - Experience with version control systems (e.g., Git ...

Quantix, Inc.

Java Engineer

Philadelphia, PA · On-site

$49.50 - $67.75/hr

They are seeking a Java Engineer to join a team responsible for developing applications utilized internationally, focusing on full lifecycle development and backend development. Responsibilities ...

DEW Softech Inc

Java Application Developer

Trenton, NJ · On-site

$50 - $55/hr

Java Application Developer Location: Trenton, NJ; Candidates must work 3 days a week ON-SITE 8-4:30 ... web applications and backend systems * Develop new upgrades and features for the existing ...

Quantix

Java Engineer

Philadelphia, PA · On-site

$52.25 - $71.75/hr

Java Engineer Location: Philadelphia, PA Type: Direct Hire Client located with offices in ... Responsibilities included full lifecycle development with an emphasis on backend development.

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All JobsJava Back End Developer JobsFreelance Java Back End Developer JobsFreelance Java Back End Developer Jobs in Philadelphia, PA

Freelance Java Back End Developer information

See Philadelphia, PA salary details

$10

$55

$73

How much do freelance java back end developer jobs pay per hour?

As of Aug 19, 2026, the average hourly pay for freelance java back end developer in Philadelphia, PA is $55.13, according to ZipRecruiter salary data. Most workers in this role earn between $48.99 and $63.56 per hour, depending on experience, location, and employer.

What does a freelance Java back end developer do?

A Freelance Java Back End Developer is a software professional who specializes in building and maintaining the server-side logic of web applications using the Java programming language. They work independently on a contract basis for various clients, handling tasks such as developing APIs, managing databases, and ensuring the performance and security of the application’s back end. Their responsibilities often include collaborating with front-end developers, integrating third-party services, and troubleshooting server-side issues. Freelancers in this role can work remotely or onsite, offering flexibility to both clients and developers.

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

To thrive as a Freelance Java Back End Developer, you need strong proficiency in Java, object-oriented programming, RESTful API design, and experience with frameworks like Spring or Hibernate, typically supported by a relevant degree or proven project portfolio. Familiarity with version control systems (such as Git), build tools (like Maven or Gradle), cloud platforms, and continuous integration/continuous deployment (CI/CD) pipelines is highly valued. Outstanding problem-solving abilities, self-motivation, and effective client communication set top freelancers apart. These skills ensure you can deliver robust, maintainable solutions independently and build lasting client relationships.

What are some common challenges faced by freelance Java back end developers when working with multiple clients simultaneously?

Freelance Java Back End Developers often juggle several projects at once, which can present challenges in time management, prioritizing tasks, and aligning with different client expectations. Each client may use distinct tech stacks, communication tools, and development processes, requiring adaptability and strong organizational skills. Clear communication, setting realistic deadlines, and using project management tools can help freelancers maintain quality and meet deliverables across diverse projects.

What is the difference between Freelance Java Back End Developer vs Freelance Java Software Engineer?

AspectFreelance Java Back End DeveloperFreelance Java Software Engineer
CredentialsJava certifications, experience in backend frameworksJava certifications, broader software development skills
Work EnvironmentRemote, project-based, client-specificRemote or on-site, project or product-focused
Industry UsagePrimarily in backend development projectsInvolved in full software development lifecycle
Search & Comparison IntentFocus on backend Java skillsBroader software development expertise

While both roles involve Java skills, a Freelance Java Back End Developer specializes in server-side development, focusing on backend systems. A Freelance Java Software Engineer may have a broader scope, including full-stack or application development, often requiring additional skills beyond backend work.

What are the most commonly searched types of Java Back End Developer jobs in Philadelphia, PA?

The most popular types of Java Back End Developer jobs in Philadelphia, PA are:

What are popular job titles related to Freelance Java Back End Developer jobs in Philadelphia, PA?

For Freelance Java Back End Developer jobs in Philadelphia, PA, the most frequently searched job titles are:

What job categories do people searching Freelance Java Back End Developer jobs in Philadelphia, PA look for?

The top searched job categories for Freelance Java Back End Developer jobs in Philadelphia, PA are:

Freelance Java Back End Developer jobs near you
Infographic showing various Freelance Java Back End Developer job openings in Philadelphia, PA as of August 2026, with employment types broken down into 57% Full Time, and 43% Contract. Highlights an 100% In-person job distribution, with an average salary of $114,664 per year, or $55.1 per hour.

Senior Java Full Stack Developer

Redolent, Inc.

Pennington, NJ • On-site

$53 - $68.50/hr

Contractor

Re-posted 21 days ago

Job description

Senior Java Full Stack Developer with React located in Pennington, NJ.
This is 36 months W2 contract opportunity.
This role focuses on designing and implementing scalable, high-performance backend systems within an enterprise environment. The ideal candidate will architect and build event-driven systems using Java, Spring Boot, and Kafka, with a strong focus on microservices architecture, system reliability, and maintainability. The position involves providing technical leadership and mentorship to development teams while collaborating with product managers and architects to deliver robust solutions.
Responsibilities:
  • Design and implement scalable, high-performance backend systems using Java and Spring Boot
  • Architect and build event-driven systems using Kafka
  • Design microservices architecture and ensure system scalability, reliability, and maintainability
  • Lead technical solution design and architecture discussions
  • Develop robust APIs and backend services for enterprise applications
  • Optimize database interactions and schema design using Oracle
  • Provide technical leadership and mentorship to development teams
  • Ensure coding standards, design patterns, and best practices are followed
  • Collaborate with product managers, architects, and stakeholders to translate requirements into technical solutions
  • Conduct code reviews, performance tuning, and system optimization
  • Troubleshoot complex production issues and implement long-term fixes

Requirements:
  • 10 years of experience in backend development with Java
  • Strong expertise in Spring Boot and microservices architecture
  • Hands-on experience with Apache Kafka for building event-driven systems
  • Strong experience with Oracle databases, including performance tuning and query optimization
  • Deep understanding of distributed systems and system design
  • Experience designing high-availability, scalable enterprise systems
  • Strong knowledge of REST APIs, messaging systems, and asynchronous processing
  • Experience with system architecture, design patterns, and software engineering best practices
  • Excellent problem-solving and debugging skills
  • Strong communication and technical leadership skills

Desired skills:
  • Experience with cloud platforms (AWS / Azure / GCP)
  • Knowledge of Docker and Kubernetes
  • Experience with CI/CD pipelines and DevOps practices
  • Experience working in large-scale enterprise or fintech systems
Redolent logo

About Redolent

Sourced by ZipRecruiter

Redolent, a dynamic and rapidly expanding company committed to excellence in software solutions, where success is fueled by a combination of technical expertise and efficient management practices. Our solutions create a measurable delta in our clients’ productivity and profitability, contributing to their growth and success.

Industry

It services

Company size

51 - 200 Employees

Headquarters location

San Jose, CA, US

Year founded

2008

Social media

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