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Senior Java Developer Jobs in Wilmington, DE (NOW HIRING)

Inframatix Inc

Sr Java Full Stack Developer

Wilmington, DE · On-site

$51 - $65.75/hr

Job Title: Sr Java Full Stack Developer Location: Wilmington, DE Duration: 2+ years Required Experience "Minimum 10+ years Overview The people they are seeking, now, will be part of their Enterprise ...

Arka Infotech Inc

Java Developer - AngularJS

Wilmington, DE · On-site

$51 - $65.75/hr

Java Developer - Angular.JS Location: Wilmington, DE Contract Length: 2 years F2F REQUIRED - LOCAL ONLY Visa copy needed for submission Requirements: Extensive experience with Java/J2EE application ...

TriosysIT Inc.

Java Fullstack Developer

Wilmington, DE · On-site

$51 - $65.75/hr

Full Stack Java Developer Work Arrangement : Onsite Location : Wilmington, DE / Columbus, Ohio 4 - 9 years of hands-on experience with Java development Strong experience with Spring / Spring Boot and ...

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 ...

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 ...

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 ...

Mirai, LLC

Full Stack Java Developer

Philadelphia, PA

$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 ...

Monitise

Sr Software Engineer - Java

King Of Prussia, PA · On-site

$124K - $163K/yr

Job Title Sr Software Engineer - Java About your role: Fiserv is a global leader in payments and ... Agile & DevOps Execution: Show proficiency in DevOps and Agile principles by actively participating ...

Monitise

Sr Software Engineer - Java

King Of Prussia, PA · On-site

$124K - $163K/yr

Job Title Sr Software Engineer - Java About your role: Fiserv is a global leader in payments and ... Agile & DevOps Execution: Show proficiency in DevOps and Agile principles by actively participating ...

Fiserv, Inc.

Sr Software Engineer - Java

King Of Prussia, PA · On-site

$124K - $163K/yr

Job Title Sr Software Engineer - Java About your role: Fiserv is a global leader in payments and ... Agile & DevOps Execution: Show proficiency in DevOps and Agile principles by actively participating ...

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Senior Java Developer information

See Wilmington, DE salary details

$10

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$83

How much do senior java developer jobs pay per hour?

As of Aug 8, 2026, the average hourly pay for senior java developer in Wilmington, DE is $60.95, according to ZipRecruiter salary data. Most workers in this role earn between $53.41 and $68.08 per hour, depending on experience, location, and employer.

What is the difference between Senior Java Developer vs Java Software Engineer?

AspectSenior Java DeveloperJava Software Engineer
Required CredentialsBachelor's in CS or related, Java certifications often preferredBachelor's in CS or related, Java certifications beneficial
Work EnvironmentTeam lead roles, project management, mentoringDevelopment-focused, coding, testing, and implementation
Employer & Industry UsageTech companies, finance, e-commerceSoftware firms, startups, enterprise IT
Common Search & ComparisonOften compared for experience level and responsibilitiesSimilar roles with slight variations in scope

The main difference between a Senior Java Developer and a Java Software Engineer lies in their responsibilities and experience. Senior Java Developers typically take on leadership, mentoring, and project management roles, while Java Software Engineers focus more on coding, development, and technical implementation. Both roles require strong Java skills and relevant credentials, but the Senior Java Developer usually has more experience and a broader scope of responsibilities.

What are some common challenges senior Java developers face when working on large-scale enterprise projects?

Senior Java Developers often encounter challenges such as maintaining code quality across large codebases, managing dependencies between modules, and ensuring optimal application performance. Collaborating with cross-functional teams—including QA, DevOps, and product management—requires clear communication and effective problem-solving. Additionally, staying updated with the latest Java frameworks and best practices is essential for delivering scalable and maintainable solutions in complex enterprise environments.

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

To thrive as a Senior Java Developer, you need advanced proficiency in Java programming, experience with software design patterns, and a strong grasp of backend development, often supported by a degree in computer science or related field. Familiarity with frameworks like Spring, build tools such as Maven or Gradle, and version control systems like Git, as well as knowledge of cloud platforms, is typically required. Excellent problem-solving, leadership, and communication skills help you guide teams and collaborate effectively. These competencies are crucial for delivering robust, scalable software solutions and driving technical success within development teams.

What is a senior Java developer?

Senior Java Developers are experienced software engineers who specialize in using the Java programming language to design, develop, and maintain complex applications. They typically lead development teams, oversee project architecture, and ensure code quality through best practices. In addition to strong coding skills, they often mentor junior developers and collaborate with stakeholders to deliver robust software solutions. Their expertise is crucial in building scalable, high-performance applications across various industries.
What are the most commonly searched types of Java Developer jobs in Wilmington, DE? The most popular types of Java Developer jobs in Wilmington, DE are:
What are popular job titles related to Senior Java Developer jobs in Wilmington, DE? For Senior Java Developer jobs in Wilmington, DE, the most frequently searched job titles are:
What job categories do people searching Senior Java Developer jobs in Wilmington, DE look for? The top searched job categories for Senior Java Developer jobs in Wilmington, DE are:
Senior Java Developer jobs near you
Infographic showing various Senior Java Developer job openings in Wilmington, DE as of July 2026, with employment types broken down into 83% Full Time, 6% Part Time, and 11% Contract. Highlights an 80% Physical, 5% Hybrid, and 15% Remote job distribution, with an average salary of $126,809 per year, or $61 per hour.

Senior Java / Platform Reliability Engineer

Interon IT Solutions

Malvern, PA • On-site

Contractor

Re-posted 12 days ago

Job description

#W2 Role
 
Job Title: Senior Java / Platform Reliability Engineer
Location: Malvern, PA
Duration: Long-term Contract
 
Job Description
We are seeking a strong Senior 10+ Years of Java / Platform Reliability Engineer with solid software engineering experience and a strong understanding of production reliability. This role is not a traditional operations-focused SRE position. The ideal candidate should be a hands-on backend engineer who can design, build, and support resilient, scalable, and fault-tolerant applications in a cloud environment.
The role will focus on backend platform engineering, reliability improvements, cloud integration, observability, automation, and supporting production systems. The candidate should have strong experience in Java development, along with working knowledge of Python, AWS, APIs, microservices, and cloud-native application support.
 
Key Responsibilities
Design, develop, and enhance backend services using Java and related backend technologies.
Build reliable, scalable, and fault-tolerant applications that can operate in production at scale.
Work closely with platform, application, and infrastructure teams to improve system reliability and performance.
Support production systems by identifying reliability gaps, performance issues, and areas for automation.
Develop and maintain microservices, APIs, and backend integrations.
Work with AWS cloud services to support application deployment, monitoring, and platform improvements.
Use Python or scripting where needed for automation, tooling, and reliability engineering tasks.
Contribute to incident analysis, root cause reviews, and long-term preventive solutions.
Improve observability through logging, metrics, tracing, dashboards, and alerting.
Collaborate with engineering teams to implement best practices around resiliency, scalability, and availability.
Participate in design discussions for backend systems, cloud architecture, and platform reliability.
Help modernize and improve existing applications with better monitoring, automation, and fault tolerance.
 
Required Skills
10+ years of overall software engineering experience.
Strong hands-on experience with Java development.
Experience building and supporting backend services, APIs, and microservices.
Good experience with AWS/cloud technologies.
Working knowledge of Python for scripting, automation, or backend support.
Strong understanding of production reliability, scalability, and system performance.
Experience operating applications in production environments.
Knowledge of resilient application design, fault tolerance, retries, timeouts, failover, and recovery patterns.
Experience with CI/CD pipelines and modern software delivery practices.
Strong troubleshooting and problem-solving skills.
Ability to work with cross-functional teams including development, platform, cloud, and infrastructure teams.
 
Preferred Skills
Experience with telemetry and observability tools such as OpenTelemetry, Splunk, Datadog, CloudWatch, Grafana, Prometheus, or similar tools.
Experience with distributed tracing, logging, metrics, and alerting.
Knowledge of container platforms such as Docker and Kubernetes.
Experience with infrastructure automation or platform engineering tools.
Exposure to event-driven architecture or messaging systems.
Prior experience in a Site Reliability Engineering, Platform Engineering, or Production Engineering role.