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Java Application Developer Jobs in Smithtown, NY

Noblesoft Technologies

Java Developer

New York, NY · On-site

$55.75 - $72.25/hr

Troubleshoot and resolve application issues in development and production * Work with databases to ... Java Developer * Strong proficiency in: * Java, J2EE * Spring / Spring Boot * Hibernate / JPA

Barclays

Application Developer AVP

New York, NY · On-site

Barclays Services Corp. seeks Application Developer AVP in New York, NY (multiple positions ... Develop and support a high-throughput, low-latency, Java-based monolithic OMS used in U.S. equities ...

Seven Seven Software

Java Developer

New York, NY · On-site

$55.75 - $72.25/hr

Developing application codes and unit tests ?Ensuring high performance of applications and ... Previous work experience as an Java Developer * Proficient in writing efficient Java code.

Staffingine LLC

Java Developer

New York, NY · On-site

$55.75 - $72.25/hr

Java Developer Job Location: NYC, NY Job Type: Contract * Handson Coding design and testing of ... AWS S3 SQS SSM KMS etc * 2 years of application development in FrontOffice Fixed Income EQ or FX ...

CrackaJack Digital Solutions LLC

Java Developer

New York, NY · On-site

$55.75 - $72.25/hr

Java Backend Engineer Experience: 8+ Years Employment Type: Contract Location: NY We are seeking an ... Optimize application performance, scalability, and reliability * Collaborate with architects ...

Dellfor Technologies

Java Architect

New York, NY

$60K/yr

Java EE framework and system development * Experience with use cases, process flows, and UML ... IBM Content Manager, Rational Application Developer, Clear Case, Clear Quest, DB2 on z/os, AIX.

Jobsbridge

Sr. BigData Application Developer

New York, NY · On-site

$58 - $75.25/hr

Skill Hadoop, java, spark Location New York, NY Total Experience 7 yrs. Max Salary Not Mentioned ... application development experience Additional Information Multiple Openings for GC/Citizen

Seven Seven Software

Java Developer

New York, NY · On-site

$55.75 - $72.25/hr

Experience with large-scale relational databases, strong SQL, Java, and Linux are essential. The ... This application interfaces with various systems and obtains valuation, Greeks and risk ...

Collabera

Java Developer

New York, NY · On-site

$55.75 - $72.25/hr

Java Developer-Sr Duration: 6 Months We are seeking a highly technical and experienced developer to ... Maven, Subversion, Kovair (or equivalent products) Internet application development: firewalls ...

Seven Seven Software

Java Developer

New York, NY · On-site

$55.75 - $72.25/hr

We are looking for a senior Java developer with Fixed Income, Electronic Trading experience. The ... The nature of the application development tasks could be in support of one or many of adding ...

Avance Consulting Services

Java Developer

New York, NY

$55.75 - $72.25/hr

All selected profiles will be contacted within 1 day of application receipt. Hi, Greetings from ... Java Developer Location: Brooklyn NY Duration: Full Time/Permanent US Citizen's & GC's Only Key ...

Seven Seven Software

Java Developer

New York, NY · On-site

$55.75 - $72.25/hr

Contribute to high level and low level application design, development and testing * Work within an ... Java, and Java 8, Spring, Spring Boot and relational databases * Awareness of messaging ...

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All JobsJava Application Developer JobsJava Application Developer Jobs in Smithtown, NY

Java Application Developer information

See Smithtown, NY salary details

$25

$59

$86

How much do java application developer jobs pay per hour?

As of Jun 18, 2026, the average hourly pay for java application developer in Smithtown, NY is $59.23, according to ZipRecruiter salary data. Most workers in this role earn between $48.75 and $70.19 per hour, depending on experience, location, and employer.

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

AspectJava Application DeveloperJava Software Engineer
Required CredentialsBachelor's in Computer Science or related field, Java certificationsBachelor's in Computer Science or related field, Java certifications
Work EnvironmentDevelops, tests, and maintains Java applicationsDesigns and implements Java-based solutions, often involved in architecture
Employer & Industry UsageTech companies, software firms, enterprise applicationsTech firms, consulting, enterprise software development
Common Search & ComparisonFocuses on application development tasksBroader role including system design and architecture

Java Application Developers primarily focus on building, testing, and maintaining Java applications, while Java Software Engineers often have a broader role involving system design and architecture. Both roles require similar credentials and are used across tech and enterprise industries, but their day-to-day responsibilities differ slightly.

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

Java Application Developers working on large-scale enterprise projects often encounter challenges such as managing complex codebases, ensuring application scalability, and maintaining robust security practices. Coordinating with cross-functional teams like QA, DevOps, and UI/UX can also present integration and communication hurdles. Staying up-to-date with evolving Java frameworks and best practices is essential to address performance bottlenecks and optimize application efficiency. Proactive problem-solving and effective collaboration are key to overcoming these challenges.

What does a Java Application Developer do?

A Java Application Developer designs, develops, and maintains software applications using the Java programming language. They are responsible for writing clean, efficient code, debugging and resolving technical issues, and collaborating with other developers, designers, and stakeholders to ensure applications meet user needs. Java Application Developers often work on both frontend and backend components, integrate databases, and ensure the security and scalability of applications. They may also participate in code reviews, testing, and documentation throughout the software development lifecycle.

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

To thrive as a Java Application Developer, you need strong proficiency in Java programming, object-oriented design, and a solid understanding of software development principles, typically supported by a degree in computer science or a related field. Familiarity with frameworks like Spring or Hibernate, version control systems such as Git, and experience with build tools and IDEs are highly valued, and certifications like Oracle Certified Professional Java Programmer can be advantageous. Excellent problem-solving abilities, effective communication, and strong teamwork skills set top developers apart. These competencies ensure the delivery of robust, maintainable applications and facilitate collaboration in dynamic development environments.
What job categories do people searching Java Application Developer jobs in Smithtown, NY look for? The top searched job categories for Java Application Developer jobs in Smithtown, NY are:
What cities near Smithtown, NY are hiring for Java Application Developer jobs? Cities near Smithtown, NY with the most Java Application Developer job openings:
Java Application Developer jobs near you
Infographic showing various Java Application Developer job openings in Smithtown, NY as of June 2026, with employment types broken down into 2% Internship, 69% Full Time, 8% Part Time, 6% Temporary, 11% Contract, and 4% Nights. Highlights an 81% Physical, 5% Hybrid, and 14% Remote job distribution, with an average salary of $123,190 per year, or $59.2 per hour.
Senior Webshpre Engineer

Senior Webshpre Engineer

System Canada Technologies

New York, NY

$114K - $157K/yr

Full-time

Posted 18 days ago

Job description

Company Description

System Canada resources have a broad range of skills in different technologies. The large skill-set has been made possible by a conscious focus on strengthening our skills base. Every person selected for our team brings something new, something that adds to our offerings. We learn continuously, both on the job and through formal training programs.

Job Description

 Description 


A Java/Websphere engineer is required to join the Web Engineering team , which engineers, integrates and hosts Java/Linux-based web infrastructure on which thousands of web applications delivered to both internal and external clients run. In short, this is not an operational role and we are not looking for a Websphere administrator. We are looking for an engineer to provide assistance to developers implementing apps on top of WAS, and as such must possess experience in Java development to allow them to perform this role. In addition the candidate must have an understanding of Java infrastructure and strong fundamentals (for example Linux O/S concepts and commands, TCP/IP, HTTP) in order to successfully perform this role. More specifically, responsibilities will include: 
Advanced investigation and resolution of all application and WAS environment issues, including troubleshooting at the code execution and O/S level 
Working with development teams to recommend solutions to improve performance / stability in their code. 
Contribute to an architecture definition for WAS deployments to meet the firm's objectives for standardizing WAS infrastructure 
Implement automation tools within our proprietary config management framework (Perl, Jython, nosql config store) to enable safe, robust self-service management of Websphere infrastructure 
Configure and utilize Java Application Performance Monitoring products for troubleshooting, reporting, capacity planning and trending. 
Skills Required 
Experience developing in Java, ideally web-based applications 
Knowledge of Java infrastructure (ie. internals of the JVM, garbage collection, classloaders etc...) 
Solid Linux/Unix conceptual and working knowledge 
Knowledge of TCP/IP, HTTP, SSL protocols 
Websphere system management and architecture experience 
Troubleshooting of WAS V6.1, V7.0 environments and applications (analyze JVM logs, Trace Logs, FFDC, native logs, java core, heap dumps) 
Skills Desired 
Understanding of Websphere command line scripting interface and Jython language. 
Scripting using Perl or Python 
Experience working in DMZ environments with good understanding of TCP/IP, hardware load-balancing (ideally F5 BigIP?), firewalls, multi-tiered architectures. 
Experience with configuration and use of Java Application Performance Monitoring tools. 

System Canada logo

About System Canada

Sourced by ZipRecruiter

System Canada delivers high end solutions in corporate world. Our resources have a broad range of skills in different technologies.The large skill-set has been made possible by a conscious focus on strengthening our skills base. Every person selected for our team brings something new, something that adds to our offerings. We learn continuously, both on the job and through formal training programs.

Industry

It services

Company size

11 - 50 Employees

Headquarters location

Toronto, ON, CA

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