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Internship Java Back End Developer Jobs in Philadelphia, PA

Net Orbit

Sr. Java Backend Developer

Wilmington, DE · On-site

$49 - $63.50/hr

Java Backend Developer • Java Developer - Preferable with Java 1.8 (java 8 features) experience • Advanced knowledge and experience developing and working with relational databases such as Sybase ...

Net Orbit

Java Developer(mid-level)

Wilmington, DE · On-site

$49.50 - $64/hr

Java Backend Developer • Java Developer - Preferable with Java 1.8 (java 8 features) experience • Advanced knowledge and experience developing and working with relational databases such as Sybase ...

Netorbit

Java Developer(mid-level)

Wilmington, DE · On-site

$49.50 - $64/hr

Java Backend Developer • Java Developer - Preferable with Java 1.8 (java 8 features) experience • Advanced knowledge and experience developing and working with relational databases such as Sybase ...

Purple Drive Technologies

Back-end developer

Mount Laurel, NJ · On-site

$119.30K - $155K/yr

Overview: Back-End Developer (Java) Role Overview We are seeking a skilled Back-End Developer with strong expertise in Java and Spring Boot to design, develop, and maintain high-performance backend ...

PKR

Senior Java Backend Engineer

Philadelphia, PA · Remote

$10 - $100/hr

What Our Client Needs A Senior Java Engineer to design, build, and scale cloud-native services that ... and DevOps teams to improve CI/CD and observability • Participate in code reviews, design ...

BI-Commercial

Java FSD

Wilmington, DE · On-site

$49.50 - $64/hr

Java FSD with AWS An FSD/FSPE has an "end to end product" mindset - design, implementation, testing and deployment, and adds an additional skill (s) on top of traditional front/back-end developer ...

Donato Technologies, Inc

Java FSD

Wilmington, DE · On-site

$49.50 - $64/hr

... front/back-end developer role * Design and developer application using Core Java * Design and ... developer application using J2EE. Experience in J2EE design patterns * Create/consume Rest APIs ...

Donato Technologies, Inc

Java FSD

Wilmington, DE · On-site

$49.50 - $64/hr

... front/back-end developer role * Design and developer application using Core Java * Design and ... developer application using J2EE. Experience in J2EE design patterns * Create/consume Rest APIs ...

Donato Technologies, Inc

Java FSD with AWS

Wilmington, DE · On-site

$49.50 - $64/hr

... back-end developer role Design and developer application using Core Java Design and developer application using J2EE. Experience in J2EE design patterns Create/consume Rest APIs & Microservices ...

Hirekeyz Inc

Java FSD with AWS

Wilmington, DE · On-site

$49.50 - $64/hr

... back-end developer role Design and developer application using Core Java Design and developer application using J2EE. Experience in J2EE design patterns Create/consume Rest APIs & Microservices ...

Mirai, LLC

Full Stack Java Developer

Philadelphia, PA · On-site

$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 ...

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

As of May 28, 2026, the average hourly pay for internship 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 are the key skills and qualifications needed to thrive as an Internship Java Back End Developer, and why are they important?

To thrive as an Internship Java Back End Developer, you need a foundational understanding of Java programming, object-oriented design, and familiarity with databases, typically gained through coursework or personal projects. Experience with tools like Spring Boot, Git, and relational database management systems such as MySQL or PostgreSQL is commonly required. Problem-solving skills, teamwork, and effective communication are important soft skills in this role. These abilities enable interns to contribute to project development, collaborate with teams, and efficiently learn best practices in a professional setting.

What types of projects and tasks can an Internship Java Back End Developer expect to work on during their internship?

As an Internship Java Back End Developer, you will typically assist with developing and maintaining server-side logic, building APIs, and supporting the integration of front-end elements. You'll likely work on tasks such as writing and debugging Java code, optimizing database queries, participating in code reviews, and collaborating closely with senior developers and other team members. Interns are often assigned to real-world projects that help them build practical skills, and they may attend agile meetings to understand how software development teams operate. This hands-on experience provides a strong foundation for future career advancement in back-end development.

What does an Internship Java Back End Developer do?

An Internship Java Back End Developer assists in building and maintaining the server-side logic, databases, and application integration for web or software projects using Java technologies. They typically work with frameworks like Spring or Hibernate, write and test code, and collaborate with front-end developers to ensure seamless functionality. Interns gain hands-on experience by participating in real-world projects, debugging issues, and learning industry best practices under the guidance of senior developers.
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Internship Java Back End Developer jobs near you
Sr. Java Backend Developer

Sr. Java Backend Developer

Net Orbit

Wilmington, DE • On-site

$49 - $63.50/hr

Full-time

This job post has expired 1 day ago. Applications are no longer accepted.

Job description

Sr. Java Developer
Wilmington, DE/NYC/Atlanta, GA
Need resumes. Resource with 10-15 years hands on and preferably able to lead teams. Working with distributed systems
• Strong Java programming skills
• Minimum of 10 years practical software development experience
• Robust object-oriented design pattern knowledge and implementation experience using Java; Java Backend Developer
• Java Developer - Preferable with Java 1.8 (java 8 features) experience
• Advanced knowledge and experience developing and working with relational databases such as Sybase/MySQL
• Experience with multi-tier application architecture and high performance distributed and in-memory caching solutions
• Strong understanding of data modeling techniques
• Working knowledge of building and deploying distributed systems is mandatory
• Experience with cloud technologies (e.g., Kubernetes, Docker, OpenStack) a plus
Must Have
Core/OOPS
• OOPs Concepts & Patterns
• Java Keywords - Static, Final, volatile, synchronized, transient, this super etc.
• Constructors
• Abstract Classes and Interfaces
• Dependency Injection
• Exceptions - Checked, Unchecked
Generics
• Collections - List, Map, Set
• Data Structures & Collections
Concurrency
• Multithreading and Synchronization
• Non-Blocking Collections/Utilities
Spring Framework:
• Spring Core(must)
• Spring Data
Misc.
• GIT
• Maven/Gradle
• Design Patterns
• Junit/Testing (Version 4+)
• Caching In general
Database / ORM
• Cursors (Good)
• SQL Queries - Inner Outer Joins, Group By, Having (Must)
• Stored Procedures (Good have)
• Triggers (Good)
• Hibernate
Good To Have
• IO & Serialization
• Memory management - Heap Dump/Thread dump /GC/Memory Tuning
• Spring Boot
• Messaging - JMS/Queues, Kafka / Cassandra
Web Applications
• Angular/TypeScript
• JSP / Servlets
• Mark-up Languages like XML and JSON
• Service Oriented Architecture / Web Services - SOAP / REST / gRPC
• Web Frameworks like Struts / Spring
• Web Technologies like HTML, CSS, JavaScript and JQuery

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