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Senior Java Backend Developer Jobs in Newark, DE

Ampcus

Java Developer / React Developer

Wilmington, DE · On-site

$49.50 - $64/hr

Java Developer / React Developer Job Location: Wilmington, DE 5 roles - Java AWS little bit of AI ... Familiarity with backend technologies will be considered a significant advantage. Key ...

Dellfor Technologies

senior java developer

Delaware City, DE · On-site

$55.25 - $70.50/hr

Competence in using Java IDE tools of Eclipse, GGTS, Rational Application Developer (RAD), WebSphere Application Developer (WSAD) and Web Logic Workshop to develop dynamic web applications. Good ...

Artech

Sr. Java Developer

Newark, DE · On-site

$56.25 - $71.50/hr

Developer Position in Newark, DE Join our dynamic team in Newark, DE, a vibrant location that ... Expertise in Java/J2EE technologies with a minimum of 7 years of experience * Proficient in ...

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 ...

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 ...

eTeam

AI & Data - Data Engineer

Wilmington, DE · On-site

$111.10K - $133.40K/yr

Title: AI Data Engineer Location: Wilmington, DE Onsite Duration: 7 Months of Contract Must Have ... Exposure to AWS Services, Software Development in Python or Java backend Java/Python, Spring boot ...

Purple Drive Technologies

Sr. Android Developer

Wilmington, DE · On-site

$56.25 - $71.25/hr

Work with backend engineers to integrate mobile applications with backend services. * Troubleshoot ... Strong proficiency in Kotlin and Java programming languages. * Solid understanding of Android SDK ...

E-Pro

Java Senior developer

Wilmington, DE · On-site

$55.50 - $70.75/hr

Java Senior Developer E*Pro Consulting service offerings include contingent Staff Augmentation of IT professionals, Permanent Recruiting and Temp-to-Hire. In addition, our industry expertise and ...

Samprasoft

Java Developer

Wilmington, DE · On-site

$49.50 - $64/hr

Java Developer 8-10 yr + experience backend only but understand full stack Java is main, SQL, AWS- EC2, ECS, Springboot, CICD (Jenkins, Cucumber) Location: Wilmington, Delaware Duration: 12+ Months ...

Saxon Global

Java Developer

Wilmington, DE · On-site

$70 - $80/hr

... 70/Hour, Senior, $80/Hour, 2 round of interview, only USC GC on W2, 5 days in the office ... Strong experience in either backend API development (Java/Spring Boot) or frontend UI (React)

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$62.6K

$136.7K

$186.2K

How much do senior java backend developer jobs pay per year?

As of Jun 4, 2026, the average yearly pay for senior java backend developer in Newark, DE is $136,713.00, according to ZipRecruiter salary data. Most workers in this role earn between $117,800.00 and $153,000.00 per year, depending on experience, location, and employer.

What is a Senior Java Backend Developer job?

A Senior Java Backend Developer is responsible for designing, implementing, and maintaining the server-side logic of applications using Java. They work with databases, APIs, and cloud services to ensure high performance and scalability. Additionally, they collaborate with front-end developers, DevOps teams, and business stakeholders to deliver robust and secure solutions. Seniors are expected to mentor junior developers and contribute to architectural decisions and best practices.

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

To thrive as a Senior Java Backend Developer, you need deep knowledge of Java, object-oriented design, RESTful APIs, and database systems, typically backed by a degree in computer science or related field and several years of relevant experience. Expertise in frameworks like Spring, ORM tools such as Hibernate, version control systems like Git, and, often, certifications such as Oracle Certified Professional Java Programmer are valued. Strong problem-solving, leadership, and clear communication skills help in mentoring junior developers and collaborating across teams. These competencies ensure robust, scalable backend solutions and effective team coordination in complex software projects.

What are the typical daily responsibilities of a Senior Java Backend Developer?

Senior Java Backend Developers usually spend their days designing and implementing backend components, reviewing code, and optimizing system performance. You may take part in architecture discussions, mentor junior developers, and troubleshoot complex technical issues. Collaboration with front-end developers, QA testers, and project managers is frequent to ensure seamless integration and successful product delivery. Additionally, you might be responsible for maintaining system documentation and keeping up-to-date with new technologies relevant to backend development. Overall, the role combines hands-on coding with leadership and cross-functional teamwork.
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Senior Java Backend Developer jobs near you
Java Developer / React Developer

Java Developer / React Developer

Ampcus

Wilmington, DE • On-site

$49.50 - $64/hr

Other

This job post has expired today. Applications are no longer accepted.

Job description

Ampcus Inc. is a certified global provider of a broad range of Technology and Business consulting services. We are in search of a highly motivated candidate to join our talented Team. Job Title: Java Developer / React Developer Job Location: Wilmington, DE

5 roles - Java AWS little bit of AI exposure will be a plus

Job Description:

We are seeking a highly skilled Java Developer with strong experience in AWS cloud services. The ideal candidate will design, develop, and deploy scalable applications, leveraging cloud-native solutions. Exposure to AI/ML technologies will be considered a plus, as we aim to integrate intelligent features into our systems.

Key Responsibilities:

  • Develop, test, and maintain applications using Java and related frameworks.
  • Design and implement cloud-based solutions on AWS (EC2, Lambda, S3, RDS, etc.).
  • Collaborate with cross-functional teams to deliver high-quality software solutions.
  • Optimize application performance, scalability, and security in cloud environments.
  • Contribute to architectural decisions and best practices for cloud-native development.
  • Explore and integrate AI/ML capabilities where applicable to enhance product features.

Required Skills:

  • Strong proficiency in Java (Core Java, Spring Boot, Hibernate).
  • Hands-on experience with AWS services (compute, storage, networking, databases).
  • Familiarity with CI/CD pipelines and DevOps practices.
  • Solid understanding of RESTful APIs and microservices architecture.
  • Problem-solving mindset with attention to detail.

Preferred Skills:

  • Exposure to AI/ML frameworks (TensorFlow, PyTorch, or AWS AI services).
  • Knowledge of containerization tools (Docker, Kubernetes).
  • Experience with monitoring tools (CloudWatch, Prometheus, Grafana).

Qualifications:

  • Bachelor's or Master's degree in Computer Science, Engineering, or related field.
  • 3 years of professional experience in Java development.
  • 2 years of experience working with AWS cloud services.

React Developer:

3 roles - React / Octagon backend will be a plus

Position Overview:

We are seeking a skilled React Developer to join our dynamic team. The ideal candidate will have strong expertise in building modern, scalable web applications using React, with additional experience in Octagon. Familiarity with backend technologies will be considered a significant advantage.

Key Responsibilities

  • Develop and maintain responsive, high-performance web applications using React.
  • Collaborate with designers, product managers, and backend engineers to deliver seamless user experiences.
  • Implement clean, efficient, and reusable code following best practices.
  • Integrate frontend components with backend services and APIs.
  • Troubleshoot, debug, and optimize application performance.
  • Stay updated with emerging technologies and frameworks to continuously improve development processes.

Required Skills & Qualifications

  • Strong proficiency in React.js and modern JavaScript (ES6 ).
  • Hands-on experience with Octagon framework.
  • Understanding of state management libraries (Redux, Context API, etc.).
  • Familiarity with RESTful APIs and frontend-backend integration.
  • Knowledge of version control systems (Git).
  • Strong problem-solving skills and attention to detail.

Preferred Qualifications

  • Experience with backend technologies (Node.js, Express, or similar).
  • Knowledge of database systems (SQL/NoSQL).
  • Exposure to cloud platforms (AWS, Azure, or GCP).
  • Ability to work in an Agile environment.

Ampcus is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, protected veterans or individuals with disabilities.

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About Ampcus

Sourced by ZipRecruiter

Ampcus Inc. is a ISO 20000, ISO 27000, ISO 9001, CMMI DEV/3 SM and CMMI SVC/3 SM certified global provider of a broad range of Technology and Business consulting services. From strategy to execution, our disciplined yet flexible approach starts and ends with our clients. By listening hard and working harder, client goals become our goals. Their success is our satisfaction. It’s why our clients sleep well at night. We believe that the success of an engagement is determined by strong project management, as well as clear communication and mutual commitment working collaboratively. Our methodology begins with listening to the customer about their needs, then working with their team to gain a clear understanding of the requirements, while providing knowledge transfer of best practices for the organization.

Industry

It services

Company size

1,001 - 5,000 Employees

Headquarters location

Chantilly, VA, US

Year founded

2004

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