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Senior Java Software Developer Jobs in Delaware (NOW HIRING)

MSYS Inc.

Senior Full Stack Developer - Onsite

Wilmington, DE · On-site

$51 - $65.75/hr

Senior Full Stack Developer - Onsite Location: Wilmington,DE Length :Long term Restriction: w2 only ... Design, develop, test, deploy, maintain, and enhance Java/J2EE applications. * Apply software ...

Spruce Infotech Inc

Sr. Java Developer

Wilmington, DE · On-site

$55.50 - $70.75/hr

Provide expert knowledge and guidance for acquisition related backend Java and/or frontend Web features. Ensure that the development teams are adhering to the client SDLC process. Provide technical ...

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

$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 ...

Stefanini

Software Developer

Smyrna, DE · On-site

Person will receive direction from the project manager and senior technical peers, and work ... JDK (JAVA)2 Years Experience: Application servers: Jetty or Nestjs3 Years Experience: MySQL, MS SQL ...

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 ... Developer/Analyst or related occupations working with Azure, Java, J2EE, SQL, Kubernetes, Visual ...

Triunity Software

Java Developer

Wilmington, DE · On-site

$49.50 - $64/hr

Collaborate with team members to design and implement software solutions. * Integrate applications ... Strong knowledge of Core Java and Object-Oriented Programming (OOP). * Basic understanding of JDBC ...

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Senior Java Software Developer information

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How much do senior java software developer jobs pay per hour?

As of Aug 8, 2026, the average hourly pay for senior java software developer in Delaware is $62.88, according to ZipRecruiter salary data. Most workers in this role earn between $55.10 and $70.24 per hour, depending on experience, location, and employer.

What is a senior Java software developer?

A Senior Java Software Developer is an experienced professional responsible for designing, developing, and maintaining complex software applications using the Java programming language. They typically lead development teams, mentor junior developers, and contribute to architectural decisions. Senior Java Developers are expected to have a deep understanding of Java frameworks, best coding practices, and software development methodologies. They also collaborate with stakeholders to deliver robust, scalable, and efficient software solutions.

What are some common challenges senior Java software developers face when leading projects, and how can they effectively address them?

Senior Java Software Developers often encounter challenges such as balancing hands-on coding with mentoring junior team members, managing project timelines, and ensuring code quality across large, distributed systems. To address these, it’s crucial to establish clear communication channels, implement robust code review processes, and leverage agile methodologies for project management. Additionally, staying up-to-date with the latest Java frameworks and best practices helps in making informed architectural decisions and streamlining development workflows.

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

To thrive as a Senior Java Software Developer, you need advanced proficiency in Java programming, strong knowledge of software design patterns, and experience with frameworks like Spring, typically backed by a bachelor's degree in computer science or a related field. Familiarity with tools such as Git, Maven, Jenkins, and cloud platforms, along with relevant certifications like Oracle Certified Professional Java SE, is often required. Strong problem-solving abilities, effective communication, and leadership skills help in mentoring teams and collaborating on complex projects. These skills ensure the delivery of robust, scalable software solutions and foster innovation within development teams.

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

AspectSenior Java Software DeveloperJava Software Engineer
Required CredentialsBachelor's degree in Computer Science or related field; extensive Java experience; certifications like Oracle Java CertificationBachelor's degree in Computer Science or related field; Java programming skills; certifications are common but not mandatory
Work EnvironmentDevelops complex applications, mentors junior staff, leads projectsDesigns and develops Java applications, collaborates with teams, implements features
Employer & Industry UsageUsed across tech companies, finance, healthcare, and enterprise sectorsCommon in software development firms, IT departments, and tech startups

The main difference between a Senior Java Software Developer and a Java Software Engineer lies in experience level and responsibilities. Senior developers often lead projects and mentor others, while Java Software Engineers focus on designing and implementing Java applications. Both roles require strong Java skills and similar educational backgrounds, but seniority involves additional leadership and project management duties.

What cities in Delaware are hiring for Senior Java Software Developer jobs? Cities in Delaware with the most Senior Java Software Developer job openings:
What are popular job titles related to Senior Java Software Developer jobs in DE? For Senior Java Software Developer jobs in DE, the most frequently searched job titles are:
Senior Java Software Developer jobs near you
Infographic showing various Senior Java Software Developer job openings in Delaware as of July 2026, with employment types broken down into 87% Full Time, 10% Part Time, and 3% Contract. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $130,794 per year, or $62.9 per hour.

Senior Full Stack Developer - Onsite

MSYS Inc.

Wilmington, DE • On-site

$51 - $65.75/hr

Other

Posted 4 days ago

Job description

Title:Senior Full Stack Developer - Onsite
Location:Wilmington,DE
Length:Long term
Restriction:w2 only
 
 
 
 
Description:

**** Initial Webcam interview followed by In-Person interivew. *** Long term project with possible contract to hire ***Linkedin Must*** Onsite ****

Job DescriptionJob 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 methodologies, CI/CD, TDD, Cloud Development, application resiliency, and security best practices. This role involves designing, developing, testing, deploying, maintaining, and continuously improving enterprise-grade applications.

Key Responsibilities
  • Design, develop, test, deploy, maintain, and enhance Java/J2EE applications.
  • Apply software design principles and development best practices to build scalable and maintainable solutions.
  • Participate in Agile ceremonies including sprint planning, daily standups, reviews, and retrospectives.
  • Implement and support Continuous Integration (CI) and Continuous Delivery (CD) pipelines.
  • Develop high-quality code using Test Driven Development (TDD) methodologies.
  • Work on cloud-based application development and deployment initiatives.
  • Ensure application resiliency, performance, scalability, and security standards are met.
  • Collaborate with cross-functional teams throughout the software development lifecycle.
Required Qualifications
  • 10 to 13years of experience
  • Strong hands-on experience in Java and J2EE application development.
  • Experience across the complete Software Development Life Cycle (SDLC).
  • Strong understanding of Agile methodologies and experience working within Agile frameworks.
  • Hands-on experience with:
    • Continuous Integration (CI)
    • Continuous Delivery (CD)
    • Test Driven Development (TDD)
    • Cloud Development
  • Knowledge of application resiliency and application security practices.
  • Proficiency in one or more general-purpose programming languages.
  • Strong understanding of software engineering disciplines including:
    • Business Analysis
    • Application Development
    • Testing
    • Deployment
    • Maintenance
    • Continuous Improvement
Preferred Qualifications
  • Experience with cloud-native technologies and deployment environments.
  • Strong understanding of secure software development practices.
  • Experience building highly available and resilient enterprise applications.
Must Have:
  • Microservices
  • Spring Boot
  • AWS
  • Messaging tools Kafka
  • PySpark
  • Frontend React
 
 

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