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Core Java Developer Jobs (NOW HIRING)

Stellar IT Group

Core Java Developer

Saint Louis, MO · On-site

Core Java Developer Location: Remote Duration: 6+ Months Contract Role Overview We are seeking experienced Senior Core Java Developers to join our team and contribute to building secure, scalable ...

krg technology inc

Core Java Developer

San Jose, CA · On-site

Role: Core Java Developer (Java BE) Location: San Jose CA Customer: CISCO Type: FTE * CORE JAVA * Garbage Collections * Multi Treading * Expectation handling * Spring Frame work * Restful

Navtech, Inc.

Core Java Developer

Santa Clarita, CA · On-site

I have an opportunity for "Core Java Developer" and looking for a candidate who can join Immediately if you are interested reply me with your updated resume or consultant's contact details and if you ...

AlgoBrain Inc

Core Java Developer

Atlanta, GA · Remote

Core Java Developer Location : Remote Exp: 9+ years Visa : GC and USC Core java, Java8 Spring Boot, Spring JPA Collections, Multi-threading SQ Drop email to salman@ridgeitsolutions .com Additional ...

AlgoBrain Inc

Core Java Developer

Atlanta, GA · On-site +1

Core Java Developer Location : Remote Exp: 9+ years Visa : GC and USC Core java, Java8 Spring Boot, Spring JPA Collections, Multi-threading SQ Drop email to salman@ridgeitsolutions .com ...

HSSSoft

Core Java Developer

Herndon, VA · On-site

We do have a job opening for the position Core Java developer @ VA. Position with one of our clients. Please go through the mentioned below and if you find it interesting then send me an updated copy ...

Jobsbridge

Core Java Developer

Palo Alto, CA · On-site

Company Description Intelliswift Software, Inc Need senior core java developer Java, multi-threading, algorithms, data structures, automation must be good in Linux, vmware Qualifications Java, multi ...

Serigor Inc.

Core Java Developer

New York, NY · On-site

Core Java Developer Location: New York City, NY Duration: Fulltime The Client is seeking a technically oriented individual to join the Securities Finance technology team. Primary focus on this role ...

Marencor

Core Java Developer

New York, NY · On-site

Core Java Developer Location: NYC, NY Candidate Details 7+ to 10 years experience Seniority Level - Mid-Senior Management Experience Required - No Minimum Education - Bachelor's Degree Ideal ...

Arka Infotech Inc

Core Java Developer

Wilmington, DE

Core Java Developer Location: Wilmington, DE Length: 2 years F2F REQUIRED Locals only Visa Copy needed for submission - 5+ years of Core Java/J2EE development experience - 3+ years developing RESTful ...

Info-Ways

Core Java Developer

New York, NY

Core Java Developer Location: NYC, NY Duration: Fulltime BGV will be done for the selected candidates. Must Have Skills: 8+ years hands-on Java Development in Web Sphere environment 3+ year work ...

Arka Infotech Inc

Core Java Developer

Wilmington, DE · On-site

Core Java Developer Location: Wilmington, DE Length: 2 years F2F REQUIRED - LOCAL ONLY Visa copy required for submission - 7+ years of development experience with Java/J2EE - Strong experience with ...

Deegit Inc

Need Core Java Developer

Sunnyvale, CA · On-site

We do have an urgent Position for Core Java Developer at CA . Please find the requirement below for your review Role: Core Java Developer Location: Sunnyvale, CA Duration: 6+ Months 6+ years of IT ...

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Core Java Developer information

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How much do core java developer jobs pay per hour?

As of Aug 25, 2026, the average hourly pay for core java developer in the United States is $59.92, according to ZipRecruiter salary data. Most workers in this role earn between $50.48 and $67.31 per hour, depending on experience, location, and employer.

What is a Core Java developer?

Core Java Developers are software professionals who specialize in building applications using the core features of the Java programming language, without relying on advanced frameworks or enterprise libraries. They are responsible for designing, coding, testing, and maintaining Java applications, often focusing on fundamental concepts like object-oriented programming, data structures, algorithms, and multithreading. Core Java Developers are integral to many industries, as Java is widely used for desktop, server-side, and embedded systems development.

What is a Java core developer?

A core Java developer is an expert in Java SE and its related technologies. This job requires extensive knowledge of and experience with all Java class libraries. As a Java core developer, your duties involve using Java and other programming languages and tools to develop applications, software, games, and more for computers and mobile devices. Many Java developers earn a bachelor’s degree in computer science or a related field. Professional Java certification is available. Additional qualifications include strong analytical, communication, and mathematical skills. You must be able to solve technical complex problems, both alone and as part of a team.

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

To thrive as a Core Java Developer, you need a strong grasp of Java programming, object-oriented design, data structures, and algorithms, typically supported by a degree in computer science or related field. Familiarity with development tools such as Eclipse or IntelliJ IDEA, build tools like Maven or Gradle, and version control systems such as Git is essential. Problem-solving abilities, attention to detail, and strong communication skills help developers excel in collaborative and fast-paced environments. These skills ensure the efficient creation, maintenance, and optimization of robust software solutions that meet business needs.

What are some common challenges faced by Core Java developers in large-scale enterprise projects?

Core Java Developers working on large-scale enterprise projects often face challenges such as maintaining code quality across complex, legacy codebases, optimizing application performance under heavy loads, and ensuring seamless integration with various databases and third-party systems. Collaboration with cross-functional teams, such as QA, DevOps, and front-end developers, is crucial to address these challenges. Adapting to evolving business requirements and keeping up with new Java features and frameworks also requires continuous learning and adaptability.

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

AspectCore Java DeveloperJava Software Engineer
Required CredentialsBachelor's in Computer Science, Java certificationsBachelor's in Computer Science, Java certifications
Work EnvironmentBackend development, enterprise applicationsApplication development, software solutions
Industry UsageFinancial, healthcare, retail sectorsTech companies, software firms
Common Search IntentCore Java skills, Java development rolesJava programming, software engineering roles

Core Java Developers focus primarily on building and maintaining backend applications using core Java technologies, while Java Software Engineers often work on broader software solutions, including design and integration. Both roles require similar credentials and are used across various industries, but their scope and responsibilities may differ slightly.

Are Core Java Developers still in demand?

Core Java Developers remain in demand due to the continued use of Java in enterprise applications, Android development, and backend systems. Skills in Java SE, frameworks like Spring, and familiarity with cloud environments enhance employability in this field.

Can I get a job with core Java?

Core Java is a fundamental skill for Java developer roles, and proficiency in it can help you secure entry-level and experienced positions in software development. Employers often look for knowledge of Java SE, object-oriented programming, and related tools like IDEs and version control systems. Building a strong understanding of core Java concepts increases your chances of getting a job in the field.
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Core Java Developer jobs near you
Infographic showing various Core Java Developer job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 15% Part Time, and 2% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $124,638 per year, or $59.9 per hour.

Core Java Developer

Stellar IT Group

Saint Louis, MO • On-site

Contractor

Posted 8 days ago

Job description

Overview:
Position: Core Java Developer
Location: Remote
Duration: 6+ Months Contract
Role Overview
We are seeking experienced Senior Core Java Developers to join our team and contribute to building secure, scalable, and production-ready applications. The ideal candidate will have strong expertise in Java, microservices architecture, and containerization, with hands-on experience in developing REST APIs and implementing secure coding practices. This role requires deep technical proficiency in backend engineering, combined with the ability to collaborate across teams and deliver high-quality solutions in enterprise environments.
Key Responsibilities
  • Design, develop, and maintain Core Java applications with a focus on scalability and performance.
  • Build and integrate microservices architectures using Spring Boot, Spring Security, and Spring Web MVC.
  • Develop and optimize REST APIs for secure and efficient communication between services.
  • Implement secure coding practices to remediate vulnerabilities and ensure compliance with enterprise standards.
  • Work with containerization platforms (Docker, Kubernetes, OpenShift) to deploy and manage applications.
  • Collaborate with cross-functional teams including QA, DevOps, and product owners to deliver production-ready solutions.
  • Conduct code reviews, troubleshoot issues, and provide technical guidance to junior developers.
  • Support CI/CD pipelines and ensure smooth deployment processes.
Required Skills
  • Strong expertise in Core Java development.
  • Hands-on experience with containerization (Docker, Kubernetes, OpenShift).
  • Proficiency in microservices architecture and REST API development.
  • Solid knowledge of Spring Boot, Spring Security, Spring Web MVC.
  • Experience with secure coding practices and vulnerability remediation.
Nice to Have
  • Experience with Harness for CI/CD orchestration.
  • Familiarity with Postman or other API testing tools.
  • Exposure to Red Hat OpenShift for enterprise container management.

Skills:
JAVA,Containerization

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