1

Junior Java Backend Developer Jobs in Delaware (NOW HIRING)

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/MySQL ...

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 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 ...

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 ...

Backend Java Developer

Newark, DE · On-site

$49.50 - $64.25/hr

Backend Java Developer (W2 Only) Local or Near by Newark, DE Introduction: We are seeking a talented Backend Java Developer to join our team in Newark, DE. The ideal candidate will be responsible for ...

New

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 ...

next page

Showing results 1-20

Junior Java Backend Developer information

See Delaware salary details

$61.1K

$106.9K

$161.1K

How much do junior java backend developer jobs pay per year?

As of Aug 19, 2026, the average yearly pay for junior java backend developer in Delaware is $106,917.00, according to ZipRecruiter salary data. Most workers in this role earn between $75,600.00 and $106,600.00 per year, depending on experience, location, and employer.

What is a junior Java backend developer?

Junior Java Backend Developers are entry-level software engineers who specialize in building and maintaining the server-side logic of web applications using the Java programming language. They work closely with senior developers to implement APIs, manage databases, and ensure smooth data flow between servers and users. Their responsibilities often include writing clean, efficient code, debugging applications, and learning new technologies as needed. Junior Java Backend Developers typically have a foundational knowledge of Java, SQL, and frameworks like Spring Boot.

What are the key skills and qualifications needed to thrive as a junior Java backend developer?

To thrive as a Junior Java Backend Developer, you need solid knowledge of Java programming, understanding of object-oriented design, and familiarity with backend frameworks like Spring, often supported by a degree in computer science or related field. Experience with relational databases (e.g., MySQL), version control systems (like Git), and exposure to RESTful APIs and build tools (such as Maven) are typically required. Strong problem-solving skills, attention to detail, and effective communication make someone stand out in this role. These skills and qualities are crucial for building reliable, scalable server-side applications and collaborating effectively within a software development team.

What are some common challenges faced by junior Java backend developers when joining a new team?

As a Junior Java Backend Developer, one common challenge is adapting to existing codebases and understanding the team's preferred coding standards and practices. You may also find it challenging to grasp complex system architectures or integrate your code with various APIs and databases. However, most teams provide onboarding support, code reviews, and mentorship to help you ramp up. Collaborating closely with senior developers and asking questions can significantly ease your transition and foster your growth in the 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 Junior Java Backend Developer jobs in Delaware?

For Junior Java Backend Developer jobs in Delaware, the most frequently searched job titles are:

What job categories do people searching Junior Java Backend Developer jobs in Delaware look for?

The top searched job categories for Junior Java Backend Developer jobs in Delaware are:

Infographic showing various Junior Java Backend Developer job openings in Delaware as of August 2026, with employment types broken down into 85% Full Time, and 15% Contract. Highlights an 67% In-person, and 33% Remote job distribution, with an average salary of $106,917 per year, or $51.4 per hour.

Sr. Java Backend Developer

NetOrbit

Wilmington, DE • On-site

$49 - $63.50/hr

Other

Re-posted 20 days ago


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 /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