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Intern Java Backend Developer Jobs in Delaware (NOW HIRING)

Sr. Java Backend Developer

Wilmington, DE · On-site

$49 - $63.50/hr

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

Java Developer(mid-level)

Wilmington, DE · On-site

$49.50 - $64/hr

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

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 ...

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 ...

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 ...

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 ...

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 ...

Backend Java Developer

Newark, DE · On-site

$49.25 - $64/hr

Java/J2ee, Oracle Backend, WebSphere, Kafka, spring boot, OpenShift, containerization, Kubernetes Position Summary Senior Application Developer will be responsible/need to understanding business ...

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 ...

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.

Senior Java Engineer

Middletown, DE

$54 - $68.75/hr

Design, develop, and maintain scalable Java-based backend applications and microservices. * Build ... Collaborate with product owners, architects, QA, and DevOps teams to deliver high-quality software ...

Android Developer - Onsite

Wilmington, DE · On-site

$54 - $71/hr

Work with backend engineers to integrate mobile applications with backend services. * Troubleshoot ... Strong proficiency in Kotlin and Java programming languages. * Solid understanding of Android SDK ...

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Intern Java Backend Developer information

What kinds of projects and tasks can I expect as an intern Java backend developer?

As an Intern Java Backend Developer, you’ll typically work on tasks such as writing and testing APIs, fixing bugs, and implementing core backend features under the guidance of senior developers. You may also participate in code reviews, collaborate with frontend and QA teams, and help with database management or performance optimization. These projects are designed to give you hands-on experience with Java frameworks, version control systems, and agile development practices, all while contributing to real-world applications.

What are the key skills and qualifications needed to thrive as an intern Java backend developer, and why are they important?

To thrive as an Intern Java Backend Developer, you need a solid understanding of Java programming, object-oriented principles, and basic knowledge of backend frameworks like Spring, often supported by coursework or relevant projects. Familiarity with databases (such as MySQL), version control systems like Git, and build tools (e.g., Maven or Gradle) is typically expected. Strong problem-solving abilities, eagerness to learn, and effective communication skills help you collaborate and adapt in team environments. These skills and qualities are crucial for contributing to real projects, growing your technical expertise, and supporting overall team success.

What does an intern Java backend developer do?

An Intern Java Backend Developer assists in building and maintaining the server-side logic of web applications using Java. They typically work under the guidance of senior developers, writing code, fixing bugs, and learning about frameworks like Spring or Hibernate. Their responsibilities often include database interaction, API development, and ensuring applications are scalable and efficient. Interns gain practical experience with industry-standard tools and workflows, helping prepare them for a full-time backend development role.
What are the most commonly searched types of Java Backend Developer jobs in Delaware? The most popular types of Java Backend Developer jobs in Delaware are:
What are popular job titles related to Intern Java Backend Developer jobs in Delaware? For Intern Java Backend Developer jobs in Delaware, the most frequently searched job titles are:
What job categories do people searching Intern Java Backend Developer jobs in Delaware look for? The top searched job categories for Intern Java Backend Developer jobs in Delaware are:
What cities in Delaware are hiring for Intern Java Backend Developer jobs? Cities in Delaware with the most Intern Java Backend Developer job openings:
Infographic showing various Intern Java Backend Developer job openings in Delaware as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% Remote job distribution.

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