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Freelance Java Backend Developer Jobs in Philadelphia, PA

MAS Global Consulting

Java Developer

Wilmington, DE · On-site

$49.50 - $64/hr

They are seeking a Full Stack Java Developer to design and build robust backend systems, collaborate with cross-functional teams, and deliver high-impact solutions for enterprise clients.

BC Forward

Backend Java Developer

Wilmington, DE · On-site

$70.97/hr

Java Developer Location: Wilmington, DE Duration: Temp to Hire - 6 months Pay Range: $70.97/hr $66.77/hr (W2) Job ID: 373555 About BCforward BCforward is a leading global IT consulting and workforce ...

Whiz Global LLC

Java Fullstack Developer

Wilmington, DE · On-site

$51 - $65.75/hr

Java Full Stack Developer (Contract-to-Hire) 💼 Employment Type: 3-6 Months Contract-to-Hire We are seeking an experienced Java Full Stack Developer with strong backend expertise in Java/Spring ...

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 ...

Quantix

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 ...

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

As of Jul 9, 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
Java Developer

Java Developer

MAS Global Consulting

Wilmington, DE • On-site

$49.50 - $64/hr

Full-time

Posted 12 days ago

Job description

Job Summary:
MAS Global Consulting is a premium digital engineering partner trusted by innovative startups and Fortune 100 companies. They are seeking a Full Stack Java Developer to design and build robust backend systems, collaborate with cross-functional teams, and deliver high-impact solutions for enterprise clients.
Responsibilities:
• Design, develop, and maintain high-performance backend services and distributed systems using Java.
• Architect and implement event-driven solutions using Apache Kafka, ensuring reliability, scalability, and low latency.
• Deploy, configure, and manage cloud infrastructure and services on AWS (e.g., EC2, ECS, Lambda, S3, RDS, SQS).
• Collaborate with stakeholders to gather requirements and translate them into scalable technical solutions.
• Develop and optimize RESTful APIs and backend application functionalities for high performance and responsiveness.
• Write and maintain automated tests (unit, integration, E2E) and ensure code quality through code reviews.
• Apply security best practices, including authentication and authorization mechanisms, to protect backend systems.
• Troubleshoot and resolve production issues, ensuring minimal downtime and operational stability.
• Mentor junior and mid-level engineers, promoting engineering best practices and a culture of continuous improvement.
• Collaborate with front-end, DevOps, and QA teams to ensure seamless integration and delivery of solutions.
Qualifications:
Required:
• Bachelor's degree in Computer Science, Software Engineering, or a related field.
• 8+ years of professional experience in backend software development.
• Solid understanding of distributed systems, event-driven architecture, and messaging patterns.
• Experience with version control systems (e.g., Git) and agile development methodologies.
• Strong problem-solving skills and a track record of resolving complex production issues.
• Excellent communication skills and ability to work effectively in cross-functional teams.
• Java: Core language proficiency (Java 11+), OOP, design patterns, multithreading, and performance optimization.
• Amazon Web Services (AWS): Cloud infrastructure design and operations, including EC2, ECS, Lambda, S3, RDS, SQS, and strong JVM internals and concurrency knowledge.
• Front-end Exposure: Hands-on experience with React or Angular, contributing to full-stack development and integration with backend services.
Preferred:
• Spring Boot & Microservices: Experience building and deploying production-grade microservices using Spring Boot, Spring Cloud, and related frameworks (Eureka, API Gateway, Circuit Breaker).
• Apache Kafka: Event-driven architecture, producer/consumer configuration, topic partitioning, schema registry, and Kafka Streams or similar.
• Containerization & Orchestration: Familiarity with Docker and Kubernetes (EKS or similar).
• Observability: Experience with monitoring and tracing tools.
• CI/CD: Experience with Jenkins, GitHub Actions, or similar pipelines for automated testing and deployment.
Company:
MAS Global Consulting is communities by creating and maintaining a culture of skilled technology professionals that digital transformations. Founded in 2012, the company is headquartered in Palm Harbor, USA, with a team of 51-200 employees. The company is currently Growth Stage.

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