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Core Java Developer Jobs (NOW HIRING)

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 ...

Responsibilities: Our Client is looking for Core Java Engineers with strong Data Structure, Algorithms, Multi-threading, Concurrency, experience. Additional Information All your information will be ...

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 ...

Role: Core Java Developer (5 Positions) Location: Los Angeles, CA OR Englewood, CO Full-Time Role Interview Process: Two Technical Rounds Description: We are looking for 5 years experienced ...

Role: Core Java Developer (5 Positions) Location: Los Angeles, CA OR Englewood, CO Full-Time Role Interview Process: Two Technical Rounds Description: We are looking for 5 years experienced ...

Senior Core Java Developer Location: Boston, MA, 2116 Duration: 6-12 months Interview: Phone and Skype OR F2F Required Skills: Core Java, Postgress Preferred Skills: Big Data Other Skills: AWS Akka ...

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. Skills: Core Java Spring framework Unix Oracle PL/SQL Multithreading File ...

Genesis10 is currently seeking a Core Java Developer for a contract position with a Global Financial Institution located in Jersey City, NJ. In this role, you will work closely with business partners ...

... Advanced Java programming/ systems design. Skill Set - * Highly experienced in Core Java J2EE * Proficient in J2EE concepts and Expertise on MVC architecture. * Sufficient expertise on JSF.

... 5+ developers * 3+ year work experience in Agile Scrum team * Core Java * Strong J2EE in XML, JMS, JAX-WS, CXF * Spring Framework * Strong understanding of OOP &SOA * Design Patterns * Java ...

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CORE Java Developer information

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$39

$59

$82

How much do core java developer jobs pay per hour?

As of Sep 4, 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.

What cities are hiring for Core Java Developer jobs?

Cities with the most Core Java Developer job openings:

What states have the most Core Java Developer jobs?

States with the most job openings for Core Java Developer jobs include:

What are popular job titles related to Core Java Developer jobs?

For Core Java Developer jobs, the most frequently searched job titles are:

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, 81% Full Time, 16% Part Time, and 2% Contract. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution, with an average salary of $124,638 per year, or $59.9 per hour.

Full-time

Re-posted 9 days ago


Job description

This new position will be developing a new application that will create compliance specific logic that will be utilized across all business units. This application is currently only being utilized by legal and compliance and they now want to broaden the application for use by all business units. This application is a real time engine that will utilize heavy logic, actions and filters on data. The ideal candidate will be a strong Core Java Developer, strong understanding of distributed load balancing, Camel, JMS, very strong with multi-threaded concepts, distributed clusters and experience with Unix is a plus.
Hiring Criteria:
  1. Solid development experience in core java.
  2. Good understanding of software development life cycle.
  3. Excellent communication skills.
  4. Strong understanding and experience in the following areas

• Java core containers / data structures
• Ability to understand and rapidly implement efficient algorithms.
• Multi-threading.
• Writing restful services.
• Database development & jdbc.
• Spring dependency injection.
• Unix scripting.
• Camel/Maven experience is preferred.