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Freelance Remote Java Engineer Jobs in Philadelphia, PA

YO AI Labs

Backend Engineer - Remote

Philadelphia, PA · Remote

$80 - $120/hr

Remote Job Summary We are seeking experienced Senior Software Engineers to support an AI training ... Strong proficiency in Python 3, Java, Rust, C++, or TypeScript . * Strong understanding of ...

YO AI Labs

AI Engineer - Remote

Philadelphia, PA · Remote

$80 - $120/hr

Remote Job Summary We are seeking experienced Senior Software Engineers to support an AI training ... Strong proficiency in Python 3, Java, Rust, C++, or TypeScript . * Strong understanding of ...

Mondo

Sr. Backend Engineer

Media, PA · Remote

$90 - $105/hr

Senior Backend Software Engineer (Java/Go) Location-Type: Hybrid - Onsite 4 Days/Week, Remote Fridays - Philadelphia, PA Start Date: ASAP Duration: Until end of 2026 Compensation Range: $90-105/hr W2 ...

YO AI Labs

Backend Developer - Remote

Philadelphia, PA · Remote

$80 - $120/hr

Senior Software Engineer Job Type: Contractor (~15 hours/week) Location: Remote Job Summary We are ... Strong proficiency in Python 3, Java, Rust, C++, or TypeScript . * Strong understanding of ...

Transcend Softech LLC

MDM Developer

Philadelphia, PA · Remote

MDM Developer remote 6-12 Months+ core skills needed - MDM + JAVA / MDM+AVOS / MDM+IICS experience - 10 years Hands on build/Support, configurations in Informatica MDM(C360/S360) and one of the ...

YO AI Labs

Frontend Developer - Remote

Philadelphia, PA · Remote

$80 - $120/hr

Senior Software Engineer Job Type: Contractor (~15 hours/week) Location: Remote Job Summary We are ... Strong proficiency in Python 3, Java, Rust, C++, or TypeScript . * Strong understanding of ...

Mondo

Staff Software Engineer

Horsham, PA · Remote

$80 - $90/hr

Staff Software Engineer, location is REMOTE. The start date is ASAP for this contract to hire ... Strong experience with Java and/or Python development * Expertise building RESTful APIs using ...

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Freelance Remote Java Engineer information

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$86

How much do freelance remote java engineer jobs pay per hour?

As of Sep 3, 2026, the average hourly pay for freelance remote java engineer in Philadelphia, PA is $60.97, according to ZipRecruiter salary data. Most workers in this role earn between $50.19 and $68.89 per hour, depending on experience, location, and employer.

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Freelance Remote Java Engineer jobs near you
Infographic showing various Freelance Remote Java Engineer job openings in Philadelphia, PA as of June 2026, with employment types broken down into 2% As Needed, 83% Full Time, 5% Part Time, 2% Temporary, 7% Contract, and 1% Nights. Highlights an 47% Physical, 3% Hybrid, and 50% Remote job distribution, with an average salary of $126,823 per year, or $61 per hour.

Backend Java Developer - Remote

YO AI Labs

Philadelphia, PA • Remote

$60 - $110/hr

Full-time

Posted 12 days ago

Job description

Backend Java Developer

Job Type: Contractor
Location: Remote

Job Overview

We are seeking experienced Backend Java Developers to support a high-impact technology and AI training project. In this role, you will apply your backend development expertise to design, develop, review, and optimize scalable systems using Java, Spring Boot, and microservices architecture.

No prior AI experience is required. Strong backend engineering expertise and the ability to deliver high-quality technical solutions are the key requirements.

Key Responsibilities
  • Design, develop, and maintain scalable backend applications using Java and Spring Boot.
  • Build and maintain robust microservices architectures.
  • Develop and integrate REST APIs and backend services.
  • Review technical requirements and deliver clean, maintainable, and efficient code.
  • Participate in code reviews and provide constructive technical feedback.
  • Troubleshoot, debug, and optimize backend systems.
  • Contribute to application performance, reliability, scalability, and security.
  • Document technical processes, solutions, and system designs.
  • Collaborate effectively with remote teams and stakeholders.
Required Qualifications
  • Strong proficiency in Java.
  • Hands-on experience with Spring Boot.
  • Strong understanding of microservices architecture and design principles.
  • Experience developing scalable and maintainable backend systems.
  • Solid knowledge of REST APIs, data structures, and backend best practices.
  • Strong problem-solving and debugging skills.
  • Excellent written and verbal communication skills.
  • Strong attention to detail and ability to work independently.
Preferred Qualifications
  • Experience with AWS, Azure, or Google Cloud.
  • Experience with high-availability or distributed systems.
  • Background in AI-driven or data-intensive applications.
  • Experience working with remote or distributed development teams.
Core Skills

Java | Spring Boot | Microservices | REST APIs | Backend Development | Distributed Systems | API Development | Cloud Platforms | Debugging | System Design | Software Architecture | Code Review