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Application Support Java Developer Jobs (NOW HIRING)

RIT Solutions, Inc.

FIX Java Developer

Jersey City, NJ · On-site

$55.75 - $72.25/hr

RIT Solutions, Inc. is seeking a FIX Java Developer with strong experience in Equities trading ... application support and production troubleshooting experience • Experience with Linux/Windows ...

RIT Solutions, Inc.

Java Developer - FIX

Stamford, CT · On-site

$54.50 - $70.25/hr

Confidential company is seeking a Java Developer with strong experience in Equities trading systems ... application support and production troubleshooting experience • Experience with Linux/Windows ...

vTech Solution

Java Software Developer

Phoenix, AZ · On-site

$50.75 - $65.50/hr

We enable our Production Support Engineers to work across the entire application stack to ... Java 8/17+, the Spring Framework, Oracle databases, Apache Tomcat, jQuery, Bootstrap, Cucumber, and ...

Droisys

Senior Java Developer - Gaming Systems

Las Vegas, NV · On-site

$55 - $70.25/hr

Design, develop, test, and support Java applications using Spring Boot, REST APIs, microservices ... Troubleshoot application, integration, database, performance, and production issues and complete ...

NimbusAITech LLC

Java Lead

Mclean, VA · On-site

... Developer to support a technology initiative with our client. This individual will join an ... application development. The ideal candidate will have strong experience with Java, Spring Boot ...

Procom Services

Java Developer

Charlotte, NC

$49.75 - $64.50/hr

Application Development Project Management Quality Assurance Business/Systems Analysis ... Developer-Java We are a data-driven marketing and sales support company known for free-thinking ...

3Core Systems, Inc

Java Developer

Austin, TX · On-site

$125 - $150/hr

Seeking a Java Developer with strong experience in Spring Boot and AI-enabledapplication ... Design, develop, and support Java Spring Bootapplications and microservices. * Build and integrate ...

Tech Mirrors

Java Developer

Denver, CO · On-site

$100 - $125/hr

Experience with AWS (deployment and application support) * Experience using Git/GitLab for source ... Strong backend Java developer with cloud deployment experience * Comfortable working across backend ...

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Application Support Java Developer information

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How much do application support java developer jobs pay per hour?

As of Sep 8, 2026, the average hourly pay for application support java developer in the United States is $58.43, according to ZipRecruiter salary data. Most workers in this role earn between $48.08 and $69.23 per hour, depending on experience, location, and employer.

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Infographic showing various Application Support Java Developer job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 73% Full Time, 21% Part Time, and 5% Contract. Highlights an 88% Physical, 2% Hybrid, and 10% Remote job distribution, with an average salary of $121,535 per year, or $58.4 per hour.

Java Developer Application Support & Development

Decatur, IL • On-site

ChaTeck Incorporated
See more jobs at ChaTeck Incorporatedexternal

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Posted 5 days ago

Job description

Role: Java Developer – Application Support & Development
Location: Decatur, IL
Let’s create our future together at The AES Group!
About The AES Group
The AES Group is a premier technology and engineering consulting company that has been bringing businesses and talent together for over 20 years to deliver innovative solutions that have the greatest positive impact on society. AES has helped over 40 business enterprises, including Fortune 500 companies, engage their customers, empower their employees, and transform their business operations with the power of cloud, data, AI, engineering, and other emerging technologies.
 

Position Overview:

Seeking a Java Developer to support application development and production support activities within a manufacturing environment. This role will focus heavily on application support, troubleshooting, maintenance, and enhancements across existing and legacy applications.

The ideal candidate will be an independent problem solver who can investigate issues, understand unfamiliar code, troubleshoot application/database problems, and work effectively with limited documentation.

This is a support-heavy role, with an approximate 80% application support / 20% development split.

Key Responsibilities

  • Provide production support for business-critical applications.
  • Troubleshoot and resolve application issues across legacy and existing systems.
  • Analyze application code, business logic, and database interactions to identify root causes.
  • Develop application fixes, enhancements, and improvements resulting from support activities.
  • Work closely with business users to understand reported issues and determine appropriate solutions.
  • Investigate whether issues originate from application logic, database behavior, infrastructure, or other systems.
  • Support and maintain legacy applications with limited documentation.
  • Independently research and understand unfamiliar code and application functionality.
  • Collaborate with technical teams and escalate issues when appropriate.
  • Participate in application vulnerability remediation and secure coding activities.
  • Support applications throughout their production lifecycle.
  • Participate in a 24/7/365 on-call rotation approximately once every four weeks, Monday-to-Monday, including nights and weekends.

Required Technical Skills

  • 3+ years of hands-on Java development experience
  • Strong experience with Java 8, preferably in a production environment
  • Full-stack Java development experience
  • Hands-on experience with Spring MVC
  • Strong SQL skills
  • Hands-on Oracle database experience
  • Production/application support experience
  • Experience troubleshooting legacy applications
  • Ability to independently analyze code and identify root causes
  • Experience working with application/database interactions
  • Azure DevOps
  • GitHub

Preferred / Nice-to-Have Skills

  • C#
  • ASP.NET
  • DB2
  • Application security and vulnerability remediation
  • GitHub Copilot

Candidate Profile

The ideal candidate:

  • Has approximately 3–7 years of Java experience
  • Has recent, hands-on Java 8 production experience
  • Is comfortable supporting and troubleshooting legacy applications
  • Can work independently with limited documentation and guidance
  • Possesses strong analytical and problem-solving skills
  • Can understand business requirements and trace issues through application code
  • Is comfortable working in a less-structured environment
  • Can work across both backend and frontend/application logic
  • Has strong production support and incident troubleshooting experience
  • Is comfortable communicating directly with business users
  • Is willing to participate in the required on-call rotation

Work Environment

The position supports applications used within a manufacturing/factory environment and involves working with a combination of modernized and legacy systems.

The team operates in a less formal, waterfall-oriented environment rather than a traditional Agile/Scrum model. Candidates should be comfortable working with evolving requirements and limited documentation.

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