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Freelance Java Backend Developer Jobs in Philadelphia, PA

Mirai, LLC

Full Stack Java Developer

Philadelphia, PA

$53 - $68.25/hr

The Developer will be part of a product team of designers and full-stack developers (Java back-end) developing a web and mobile application for use by the Front Line Associates & Managers in the ...

Ampcus Inc

Java Full Stack Developers

Wilmington, DE · On-site

$51 - $65.75/hr

... Developer. The role involves working on system design, application development, and ensuring ... Required : • 3 years of experience in Java backend, Microservices, Spring Boot, ReactJS, and AWS ...

Mondo

Sr. Backend Engineer

Media, PA · Remote

$90 - $105/hr

  • Medical

  • Dental

  • Vision

  • Retirement

Senior Backend Software Engineer (Java/Go), Hybrid - Onsite 4 Days/Week. Start date is ASAP for this Contract position. Job Title: Senior Backend Software Engineer (Java/Go) Location-Type: Hybrid ...

AllSTEM Connections

Java Developer Contractor

Malvern, PA · On-site

$51.50 - $66.50/hr

  • Medical

  • Dental

  • Vision

  • Retirement

Job Title: Senior Full-Stack Java Developer - Contract Role Overview We are seeking a highly ... Moving seamlessly between backend system architecture and modern front-end design, you will ...

AllSTEM Connections

Java Developer Contractor

Malvern, PA · On-site

$93K - $104K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Job Title: Senior Full-Stack Java Developer - Contract Role Overview We are seeking a highly ... Moving seamlessly between backend system architecture and modern front-end design, you will ...

Comcast

Sr. Backend Engineer - Xumo

Philadelphia, PA · Remote

As a Senior Backend Engineer on the Xumo Software Engineering Team, you will play a key role in ... Java Application Development for Video Streaming Backend Systems * Develop backend systems for ...

SmartIPlace

Staff Engineer - SN

Blue Bell, PA · On-site

Blue Bell, PA Requirement The Staff Engineer I (Java) provides senior technical leadership for backend Java development supporting the Workflow Orchestration Initiative, delivering scalable and ...

Prophecy Technologies

Java Developer

Wilmington, DE · On-site

$49.50 - $64/hr

Job Summary JPMorgan Chase is seeking an experienced Java Full Stack Developer with strong ... Create Python scripts and applications for automation, data processing, and backend services.

RIT Solutions, Inc.

API/Backend Engineer

Malvern, PA · On-site

... DevOps model. • Contribute to the ongoing modernization of legacy components across various ... Required : • Expert proficiency in Java and Spring Boot for API development. • Extensive, hands ...

RIT Solutions, Inc.

API Backend Engineer

Malvern, PA · On-site

... DevOps model. • Contribute to the ongoing modernization of legacy components across various ... Required : • Expert proficiency in Java and Spring Boot for API development. • Extensive, hands ...

Judge Group, Inc.

FullStack Java Developer

Wilmington, DE · On-site

$51 - $65.75/hr

About the Role We are seeking a Full Stack Java Developer with strong backend expertise and hands-on frontend development experience to help design, build, and maintain scalable enterprise ...

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

As of Aug 19, 2026, the average hourly pay for freelance java backend 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 are the most commonly searched types of Java Backend Developer jobs in Philadelphia, PA?

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

What cities near Philadelphia, PA are hiring for Freelance Java Backend Developer jobs?

Cities near Philadelphia, PA with the most Freelance Java Backend Developer job openings:

Freelance Java Backend Developer jobs near you

Full Stack Java Developer

Mirai, LLC

Philadelphia, PA

$53 - $68.25/hr

Contractor

Re-posted 8 days ago

Job description

Company Description

Mirai, LLC is an enterprise level healthcare, finance, and technology solutions firm with a strong focus on bridging the gap between Eastern and Western global markets. We pride ourselves on being able to deliver solutions with a perfect blend of onsite, onshore and offshore resources that achieve the right balance between cost and control, all the while insulating our customers from language, cultural and time zone challenges.

Job Description

The Developer will be part of a product team of designers and full-stack developers (Java back-end) developing a web and mobile application for use by the Front Line Associates & Managers in the field.

Responsibilities Include:

  • Lead products through iterative design, development, and delivery
  • Maintain a user-centered approach in design & development perspective and practice
  • Work as a collaborative team member with internal customers, designers, and fellow engineer
  • Apply best practice approaches and guide the product team through the process
  • Rapidly iterate on prototypes and working applications
Qualifications

Requirements:

  • Have experience with and curiosity of Agile and Lean philosophies
  • Experience working with small teams to ship products to market
  • Have experience developing full-service consumer, employee, and business applications
  • Experience with designing and refactoring complex systems
  • Language agnostic and experienced polyglot
  • Passion for Working Software and SOLID principles
  • Experience with Test Driven Development (TDD)
  • Interest in working in a pair-programming environment
  • 3-5 years of experience working with Java/Kotlin
  • Experience with Spring Boot, and API design
  • Fundamental understanding and experience working with JPA data
  • Working knowledge of Message Brokers and Messaging subsystems (experience working with Kafka a strong plus)
  • Strong understanding of best practices creating/working with Micro-services
  • 3-5 years' experience or equivalent in software development
  • Deep understanding of design patterns and applying them in production environments
  • Bachelor's or Master's degree in computer science discipline (preferred, but not required)
  • Passion for enabling team members
Additional Information

All your information will be kept confidential according to EEO guidelines.

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