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Senior Java Jobs in New Castle, DE (NOW HIRING)

Apton Inc

Senior Java Microservices developer

Wilmington, DE · On-site

$55.50 - $70.75/hr

Java, J2ee, spring, spring boot, Microservices, API Qualifications Need strong consultant with microservices and spring boot apis Additional Information All your information will be kept confidential ...

MSYS Inc.

Senior Full Stack Developer - Onsite

Wilmington, DE · On-site

$51 - $65.75/hr

Job Summary We are looking for an experienced Sr. Java J2EE Developer to join a high-performing engineering team. The ideal candidate will have strong expertise in Java/J2EE development, Agile ...

New

Arka Infotech Inc

Sr.Core Java Developer

Wilmington, DE · On-site

$55.50 - $70.75/hr

Interviews can be arranged immediately Sr. Core Java Developer Location: Wilmington, DE Length: 2 years No. of postions: 10 F2F REQUIRED Locals only Keys: Local to the Wilmington/Newark, DE area or ...

1 point system

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 ...

Navtech, Inc.

Java Full Stack

Wilmington, DE · On-site

$51 - $65.75/hr

Hello, I have an opportunity for "Java Full Stack" and looking for a candidate who can join ... They recently migrated to Angular 9. Best Regards Chris Brown Sr Technical Recruiter NAVTECH INC PH ...

ECCLESIASTES INC

Sr. Software Engineer

Newark, DE · On-site

$120K - $159K/yr

POSITION TITLE: Sr. Software Engineer POSITION DUTIES: Analyze business user needs, design, develop ... Java, J2EE, SQL, Kubernetes, Visual Studio, Apache Tomcat, JBoss, HTML, CSS, and create reports ...

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Senior Java information

See New Castle, DE salary details

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How much do senior java jobs pay per hour?

As of Aug 7, 2026, the average hourly pay for senior java in New Castle, DE is $60.92, according to ZipRecruiter salary data. Most workers in this role earn between $53.37 and $68.08 per hour, depending on experience, location, and employer.

What does a senior Java developer do?

A Senior Java Developer is responsible for designing, developing, and maintaining complex Java-based applications. They often lead development teams, make architectural decisions, and ensure code quality through best practices. Their role also includes mentoring junior developers, participating in code reviews, and collaborating with stakeholders to deliver robust software solutions. Senior Java Developers are expected to have extensive experience with Java frameworks, databases, and deployment processes.

What is the difference between Senior Java vs Java Developer?

AspectSenior JavaJava Developer
Required CredentialsBachelor's degree, extensive Java experience, possibly certifications like Oracle Certified ProfessionalBachelor's degree, Java knowledge, entry to mid-level certifications
Work EnvironmentTeam lead, project architect, involved in design and mentoringDevelopment team member, coding, testing, and implementation
Employer & Industry UsageTech companies, finance, healthcare, enterprise solutionsStartups, tech firms, software agencies, enterprise sectors

Senior Java professionals typically have more experience, leadership responsibilities, and advanced certifications compared to Java Developers. They often lead projects and mentor junior staff, while Java Developers focus on coding and implementation. Both roles are vital in software development, but the senior position involves greater strategic input and oversight.

What skills and qualifications are needed to thrive as a senior Java developer?

To thrive as a Senior Java Developer, you need deep expertise in Java programming, object-oriented design, and a strong grasp of software development principles, typically backed by a computer science degree or relevant experience. Experience with tools like Spring Framework, Hibernate, Maven, Git, and proficiency in using integrated development environments (IDEs) such as IntelliJ IDEA or Eclipse is essential, and certifications like Oracle Certified Professional (OCP) can be beneficial. Outstanding problem-solving skills, effective communication, and the ability to mentor junior developers set top performers apart. These skills ensure the delivery of robust, maintainable code and foster high-performing teams capable of tackling complex projects.

How do senior Java developers typically collaborate with cross-functional teams on large-scale projects?

Senior Java Developers often work closely with product managers, QA engineers, UI/UX designers, and DevOps teams to ensure successful project delivery. They participate in architectural discussions, provide technical guidance, and help translate business requirements into scalable software solutions. Regular communication and agile ceremonies like sprint planning and code reviews are common, allowing them to align development efforts with overall business goals and quickly address challenges. This collaborative environment helps Senior Java Developers mentor junior team members and foster a culture of continuous improvement.
What are the most commonly searched types of Java jobs in New Castle, DE? The most popular types of Java jobs in New Castle, DE are:
Senior Java jobs near you
Infographic showing various Senior Java job openings in New Castle, DE as of August 2026, with employment types broken down into 1% Internship, 79% Full Time, 6% Part Time, and 14% Contract. Highlights an 83% Physical, 4% Hybrid, and 13% Remote job distribution, with an average salary of $126,724 per year, or $60.9 per hour.

Senior Java Microservices developer

Apton Inc

Wilmington, DE • On-site

$55.50 - $70.75/hr

Contractor

Re-posted 11 days ago

Job description

Company Description

With More than 10 Years of Industry Experience

We are dedicated to developing right connections between Candidates and the Employers

We care about our candidates and our clients equally and work towards developing a positive working relationship between them to achieve their goals.

Job Description

Skills required: Java, J2ee, spring, spring boot, Microservices, API

Qualifications

Need strong consultant with microservices and spring boot apis

Additional Information

All your information will be kept confidential according to EEO guidelines.

Apply