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Senior Java Developer Jobs in Lambertville, NJ (NOW HIRING)

NJM Insurance Group

JAVA Developer, Senior

Trenton, NJ · On-site

$115K - $134K/yr

Mentor other developers. * Conduct code reviews and provide oversight of all team deliverables. * Ensure adherence to design and development best practices within the team. Required Qualifications ...

NJM Insurance Group

JAVA Developer, Senior

Trenton, NJ · On-site

$115K - $134K/yr

Mentor other developers. * Conduct code reviews and provide oversight of all team deliverables. * Ensure adherence to design and development best practices within the team. Required Qualifications ...

Mirai, LLC

Full Stack Java Developer

Philadelphia, PA · On-site

$53 - $68.25/hr

The Developer will be part of a product team of designers and full-stack developers (Java back-end) developing a web and mobile application for use by the Front Line Associates & Managers in the ...

Deloitte

Java Python AWS Developer

Philadelphia, PA · On-site +1

As an experienced Java/Python AWS Developer you will have the ability to share new ideas and collaborate on projects as a consultant without the extensive demands of travel. If so, consider an ...

Deloitte

Java Python AWS Developer

Philadelphia, PA · On-site +1

Experience with modern full stack programming languages and frameworks, including Java and Python * Experience designing, developing, and maintaining scalable applications using AWS services such as ...

Deloitte

Java Python AWS Developer

Philadelphia, PA · On-site

Experience with modern full stack programming languages and frameworks, including Java and Python ... Professional development From entry-level employees to senior leaders, we believe there's always ...

Deloitte

Java Python AWS Developer

Philadelphia, PA · On-site

As an experienced Java/Python AWS Developer you will have the ability to share new ideas and ... Professional development From entry-level employees to senior leaders, we believe there's always ...

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Senior Java Developer information

See Lambertville, NJ salary details

$10

$61

$84

How much do senior java developer jobs pay per hour?

As of Jul 8, 2026, the average hourly pay for senior java developer in Lambertville, NJ is $61.65, according to ZipRecruiter salary data. Most workers in this role earn between $54.04 and $68.89 per hour, depending on experience, location, and employer.

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

AspectSenior Java DeveloperJava Software Engineer
Required CredentialsBachelor's in CS or related, Java certifications often preferredBachelor's in CS or related, Java certifications beneficial
Work EnvironmentTeam lead roles, project management, mentoringDevelopment-focused, coding, testing, and implementation
Employer & Industry UsageTech companies, finance, e-commerceSoftware firms, startups, enterprise IT
Common Search & ComparisonOften compared for experience level and responsibilitiesSimilar roles with slight variations in scope

The main difference between a Senior Java Developer and a Java Software Engineer lies in their responsibilities and experience. Senior Java Developers typically take on leadership, mentoring, and project management roles, while Java Software Engineers focus more on coding, development, and technical implementation. Both roles require strong Java skills and relevant credentials, but the Senior Java Developer usually has more experience and a broader scope of responsibilities.

What are some common challenges Senior Java Developers face when working on large-scale enterprise projects?

Senior Java Developers often encounter challenges such as maintaining code quality across large codebases, managing dependencies between modules, and ensuring optimal application performance. Collaborating with cross-functional teams—including QA, DevOps, and product management—requires clear communication and effective problem-solving. Additionally, staying updated with the latest Java frameworks and best practices is essential for delivering scalable and maintainable solutions in complex enterprise environments.

What are the key skills and qualifications needed to thrive as a Senior Java Developer, and why are they important?

To thrive as a Senior Java Developer, you need advanced proficiency in Java programming, experience with software design patterns, and a strong grasp of backend development, often supported by a degree in computer science or related field. Familiarity with frameworks like Spring, build tools such as Maven or Gradle, and version control systems like Git, as well as knowledge of cloud platforms, is typically required. Excellent problem-solving, leadership, and communication skills help you guide teams and collaborate effectively. These competencies are crucial for delivering robust, scalable software solutions and driving technical success within development teams.

What are Senior Java Developers?

Senior Java Developers are experienced software engineers who specialize in using the Java programming language to design, develop, and maintain complex applications. They typically lead development teams, oversee project architecture, and ensure code quality through best practices. In addition to strong coding skills, they often mentor junior developers and collaborate with stakeholders to deliver robust software solutions. Their expertise is crucial in building scalable, high-performance applications across various industries.
What cities near Lambertville, NJ are hiring for Senior Java Developer jobs? Cities near Lambertville, NJ with the most Senior Java Developer job openings:
Senior Java Developer jobs near you
Java Developer with Python

Java Developer with Python

Business Integra

Philadelphia, PA • On-site

Full-time

Re-posted 28 days ago

Job description

Company Description
Job Description
Title: Java Developer with Python
Location: Philadelphia, PA
Duration: Long term contract / Contract to hire opportunity
Designs, develops, and implements web-based Java applications to support business requirements. Follows approved life cycle methodologies, creates design documents, and performs program coding and testing. Resolves technical issues through debugging, research, and investigation. Requires a bachelor's degree in area of specialty and at least 5 years of experience in the field or in a related area. Familiar with standard concepts, practices, and procedures within a particular field. Relies on experience and judgment to plan and accomplish goals. Performs a variety of tasks. A degree of creativity and latitude is required. Typically reports to a supervisor or manager.
Qualifications
Position Comments:
- 9-10 years' experience developing Java applications
- 3-5 years' experience or deep understanding of Python
- 3+ years' experience developing J2EE web applications using spring framework
- 2+ years developing RESTful services
-The contractor resources will be used to build web services based upon Hadoop data environments
- They are building a new Recommendation System for Sales Associates to use. Instead of Sales Associates using their intuition to make recommendations to customers, this will use data assets to assist the sales process
Additional Information
"Full Stack Engineers"
Java, Python
JSON, process
Security/authentication experience would be helpful scaling experience - prototype to production experience
CODING TESTS will be sent directly to the candidate as soon as they get submitted to client.

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