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Senior Java Engineer Jobs in Newark, DE (NOW HIRING)

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 ... Nice To Have KEY SKILLS - Need a Distributed Systems Engineer with • CQRS (Command Query ...

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

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 ...

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 ...

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 ...

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 ...

Showing results 21-40

Senior Java Engineer information

See Newark, DE salary details

$10

$61

$84

How much do senior java engineer jobs pay per hour?

As of Aug 7, 2026, the average hourly pay for senior java engineer in Newark, DE is $61.42, according to ZipRecruiter salary data. Most workers in this role earn between $53.80 and $68.61 per hour, depending on experience, location, and employer.

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

Senior Java Engineers often encounter challenges such as managing complex codebases, ensuring application scalability, and maintaining high performance under heavy loads. They are also responsible for implementing robust security practices and integrating new technologies without disrupting existing systems. Effective collaboration with cross-functional teams and mentoring junior developers are crucial aspects of the role, as these responsibilities help maintain code quality and project momentum.

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

AspectSenior Java EngineerJava Developer
Required CredentialsBachelor's in Computer Science, Java certifications (e.g., Oracle Certified Professional)Bachelor's in Computer Science or related field, Java certifications optional
Work EnvironmentDesigning, developing, and maintaining complex Java applications, often in team leadership rolesDeveloping Java applications, focusing on coding and implementation
Industry UsageUsed across finance, tech, and enterprise sectors for large-scale projectsCommonly employed in software development firms, startups, and tech companies

While both roles involve Java programming, Senior Java Engineers typically handle complex system design, mentorship, and project leadership, whereas Java Developers focus more on coding and implementing features. The senior role often requires more experience and certifications, with a broader scope of responsibilities.

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

To thrive as a Senior Java Engineer, you need advanced proficiency in Java programming, strong knowledge of software design patterns, and a degree in computer science or related field. Experience with frameworks like Spring, Hibernate, build tools such as Maven or Gradle, and familiarity with cloud platforms and CI/CD systems are typically required. Excellent problem-solving abilities, leadership, and effective communication help you guide teams and collaborate with stakeholders. These skills are crucial for delivering robust, scalable software solutions and mentoring junior engineers in complex development environments.

What is a senior Java engineer?

Senior Java Engineers are experienced software developers who specialize in designing, developing, and maintaining applications using the Java programming language. They often lead development teams, architect solutions, and ensure that software meets both technical and business requirements. Their responsibilities also include code reviews, mentoring junior developers, and optimizing application performance. Typically, they have several years of experience and a deep understanding of Java frameworks and best practices.
What cities near Newark, DE are hiring for Senior Java Engineer jobs? Cities near Newark, DE with the most Senior Java Engineer job openings:
Infographic showing various Senior Java Engineer job openings in Newark, DE as of August 2026, with employment types broken down into 92% Full Time, 2% Part Time, and 6% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $127,760 per year, or $61.4 per hour.

Sr Java Full Stack Developer

Inframatix Inc

Wilmington, DE

$51 - $65.75/hr

Full-time

Re-posted 10 days ago


Job description

Company Description

InfraMatix Inc. is a Professional services and system integration company delivering IT security, identity, access management and regulatory compliance solutions leveraging 100s of years of collective experience across all major IAM vendor technologies. Focus on the strategy, design, configuration, implementation and management of its solutions for rapid success for the customers. The company seamlessly integrates software, deep professional services & expert support for all Identity Management activities, there by reduces financial, technical, and operational burden of managing Identity Management systems.
 

Job Description

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 Platform Migration effort. This is a highly agile shop. The enterprise platform is built on Domain Driven design, with Event Driven architecture and Event Driven Microservices. They make extensive use of CQRS, Spring Boot and Axon. Object-oriented programming, Test-Driven Development (TDD), Behavior-Driven Development (BDD) are all a vital part of all development.

 

Candidates don't have to have this knowledge but need to have very strong object-oriented programming experience at minimum. 

 

 

** PLEASE NOTE - Candidates will be asked to complete a Coding Challenge exercise in order to be considered for this engagement. This exercise should take several hours. The candidate's response should be production-ready. (The more production-ready, the better it will appear to the review team)

 

This is the candidate's opportunity to demonstrate their Java coding skills and expertise.     

 

Main Skills / Talking points

         Passion for software engineering and software craftsman-like coding skills

         Looking for people who have built/scaled systems that service a large user base (millions).

         Object-oriented programming, Test-Driven Development (TDD), Behavior-Driven Development (BDD)

         CQRS (Command Query Responsibility Segregation)

         Event driven architecture

         Domain modeling / Domain driven design experience

         Axon Framework would be a big plus. 

         Gang-of-four design patterns (e.g. Observer, Factory, Command, Singleton, Decorator, etc.)

 

They need of people who:

         Are VERY strong, and expert, in Object-Oriented Programming

         Have a high level of enthusiasm and passion for this type of work.

         Are coding CRAFTSPEOPLE who take a great deal of pride in the efficient, high-level sophistication of their code.

         Have built/scaled systems that service a large user base (i.e. millions).  

         (in a perfect world) Contribute to Open Source projects.

They have, to this point, made a point of assembling a team of top notch developers who have experience in breaking down monolithic applications using event driven microservices. They are now looking for more.

Nice To Have  

KEY SKILLS - Need a Distributed Systems Engineer with 

         CQRS (Command Query Responsibility Segregation)

         Event driven architecture

         Domain modeling Domain driven design experience

         Axon Framework would be a big plus.  

Technologies (Strongly desired, but experience with equivalent technologies will work)

Programming Languages             Java 8, Groovy, GoLang, Cotlin, SQL, Shell

Patterns and Techniques             Domain-driven design, Command Query Responsibility Segregation

(CQRS), Event-Driven Architecture (EDA), Functional Programming

Platforms                                        OpenShift, Kubernetes, AWS

 

Soft Skills / Competencies (the more, the better)

         Passion for software engineering and software craftsman-like coding skills

         DevOps mindset

         Ability to conceptualize and develop cloud-native, production ready applications process

         Working experience with agile processes like extreme programming, lean and/or continuous delivery approaches.

         Ability to work effectively with distributed teams

         Think through hard problems and work with teams to make them reality

         Be a mentor and role model for other software engineers

         Understanding of enterprise and application architectures, software development tools and languages

Additional Information

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