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Mid Level Java Developer Jobs in Claymont, DE (NOW HIRING)

Net Orbit

Java Developer(mid-level)

Wilmington, DE · On-site

$49.50 - $64/hr

Sr. Java Developer Wilmington, DE/NYC/Atlanta, GA • Strong Java programming skills • 5-9 years practical software development experience • Robust object-oriented design pattern knowledge and ...

United States Cold Storage

Senior Java Developer

Camden, NJ · On-site

$145K - $165K/yr

Sr. Java Developer Build the systems that operate critical logistics infrastructure. Who We Are ... Expert-level Java and Spring ecosystem knowledge. * Strong foundation in architectural and coding ...

USCS

Senior Java Developer

Camden, NJ · On-site

$145K - $165K/yr

Sr. Java Developer Build the systems that operate critical logistics infrastructure. Who We Are ... Expert-level Java and Spring ecosystem knowledge. * Strong foundation in architectural and coding ...

United States Cold Storage

Senior Java Developer

Camden, NJ · On-site

$145K - $165K/hr

Sr. Java Developer Build the systems that operate critical logistics infrastructure. Who We Are ... Expert-level Java and Spring ecosystem knowledge. * Strong foundation in architectural and coding ...

Arka Infotech Inc

Java Developer

Wilmington, DE · On-site

$49.50 - $64/hr

Java Developer Location: Wilmington, DE Contract Length: 1 year + Contract or Contract-to-hire F2F ... level of effort to develop code to meet acceptance criteria Ensure adherence to continuous ...

Noblis

JAVA Developer

Philadelphia, PA · On-site

$48.75 - $63/hr

... Level 3+ or equivalent • Decipher, read and understand code metrics for test coverage from ... Java SE 17 Developer (OCPJP 17) • Must have good communication skills including communication ...

Noblis

JAVA Developer

Philadelphia, PA · On-site

$46.75 - $60.50/hr

Experience delivering software under CMMI Level 3+ or equivalent * Decipher, read and understand ... Java SE 17 Developer (OCPJP 17) * Must have good communication skills including communication with ...

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How much do mid level java developer jobs pay per hour?

As of May 30, 2026, the average hourly pay for mid level java developer in Claymont, DE is $56.14, according to ZipRecruiter salary data. Most workers in this role earn between $48.99 and $64.04 per hour, depending on experience, location, and employer.

What is a Mid Level Java Developer job?

A Mid Level Java Developer is responsible for designing, developing, and maintaining Java-based applications. They typically have 2-5 years of experience and work on coding, debugging, and optimizing software solutions. They collaborate with teams, follow best coding practices, and may mentor junior developers. Their role involves understanding project requirements, integrating APIs, and ensuring application performance. Mid Level Java Developers contribute to both backend and frontend development, depending on the project needs.

What are the key skills and qualifications needed to thrive in the Mid Level Java Developer position, and why are they important?

Successful Mid Level Java Developers possess a solid understanding of Java programming, object-oriented design, and commonly used frameworks such as Spring or Hibernate, typically backed by a relevant degree and professional experience. Familiarity with tools like Git, Maven, popular IDEs (e.g., IntelliJ IDEA or Eclipse), and certifications like Oracle Certified Professional Java Programmer (OCPJP) are advantageous. Strong collaboration, problem-solving abilities, and effective communication skills help developers work efficiently within agile teams and cross-functional projects. Mastering both technical and soft skills ensures smooth project delivery, maintainable code quality, and productive teamwork in dynamic software development environments.

What does a typical workday look like for a Mid Level Java Developer?

As a Mid Level Java Developer, your typical workday often involves writing and testing Java code, troubleshooting existing applications, and participating in code reviews. You'll collaborate closely with other developers, QA engineers, and sometimes product managers in agile sprints to ensure features are delivered according to requirements. Daily stand-up meetings are common, as is the use of tools like Jira for tracking tasks. You may also spend time learning new frameworks or best practices, which helps with both personal growth and contributing to more efficient software solutions.
More about Mid Level Java Developer jobs
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What cities near Claymont, DE are hiring for Mid Level Java Developer jobs? Cities near Claymont, DE with the most Mid Level Java Developer job openings:
Mid Level Java Developer jobs near you
Java Developer(mid-level)

Java Developer(mid-level)

Net Orbit

Wilmington, DE • On-site

$49.50 - $64/hr

Full-time

Posted 26 days ago

Job description

Sr. Java Developer
Wilmington, DE/NYC/Atlanta, GA
• Strong Java programming skills
• 5-9 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 good to have
• 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
Spring Framework:
• Spring Core(must)
• Spring Data
Database / ORM
• Cursors (Good)
• SQL Queries - Inner Outer Joins, Group By, Having (Must)
• Stored Procedures (Good have)
• Triggers (Good)
• Hibernate

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