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Applications Developer Jobs in Illinois (NOW HIRING)

Senior Applications Developer

Lemont, IL · On-site

$96K - $133K/yr

Provide technical mentorship, guidance, and subject matter expertise to junior and mid-level developers on the team * Modernize and re-platform applications written in legacy technologies to current ...

Senior Applications Developer

Lemont, IL

$96K - $133K/yr

Provide technical mentorship, guidance, and subject matter expertise to junior and mid-level developers on the team * Modernize and re-platform applications written in legacy technologies to current ...

Senior Applications Developer

Chicago, IL · On-site

$98K - $136K/yr

Overview The Senior Applications Developer is responsible for designing, developing, and maintaining intelligent, AI-enhanced web and database solutions within the Microsoft ecosystem, primarily ...

Android Applications Developer will be responsible for the following: Your responsibilities will range from requirements gathering, architecture, driving solutions, design, develop, test, deploy ...

Applications Engineer The Applications Engineer is a highly skilled technical position, responsible for providing 3rd level support for Firm and legal applications such as iManage Cloud, Microsoft ...

Applications Engineer The Applications Engineer is a highly skilled technical position, responsible for providing 3rd level support for Firm and legal applications such as iManage Cloud, Microsoft ...

Herrmann Ultrasonics is hiring for an Applications Engineer the PLASTICS division! Immerse yourself into the fascinating world of ultrasonic welding! Herrmann Ultrasonics develops and builds machines ...

Global Applications Engineer

Cary, IL · On-site

$100K - $160K/yr

Global Applications Engineer Location: Cary, IllinoisAre you an electronic components professional who enjoys blending technical expertise, customer interaction, and market insight? Do you want to ...

Global Applications Engineer

Cary, IL · On-site

$100K - $160K/yr

Global Applications Engineer Location: Cary, Illinois Are you an electronic components professional who enjoys blending technical expertise, customer interaction, and market insight? Do you want to ...

Global Applications Engineer Location: Cary, Illinois Are you an electronic components professional who enjoys blending technical expertise, customer interaction, and market insight? Do you want to ...

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Applications Developer information

See Illinois salary details

$16

$51

$82

How much do applications developer jobs pay per hour?

As of Aug 25, 2026, the average hourly pay for applications developer in Illinois is $51.01, according to ZipRecruiter salary data. Most workers in this role earn between $41.01 and $58.70 per hour, depending on experience, location, and employer.

What does an applications developer do?

An Applications Developer designs, builds, tests, and maintains software applications for computers, mobile devices, or web platforms. They work closely with clients or end-users to understand their needs and create user-friendly solutions that meet those requirements. Applications Developers also troubleshoot issues, update existing programs, and ensure that applications are secure and efficient. Their role often involves collaboration with other developers, project managers, and quality assurance teams.

What does an applications developer do?

An applications developer, often referred to a software applications developer, designs and produces software for smartphones and tablets. As an applications developer, you typically work as part of a development team, and your duties include working with clients and other departments at your company to produce an app that is polished and ready for public use. Qualifications needed for the job include a bachelor’s degree in computer science or a related subject and experience with various programming languages. You should be comfortable with all of the major mobile operating systems, as a successful app should work on both Apple and Android. Software development skills are essential.

What are the key skills and qualifications needed to thrive as an applications developer, and why are they important?

To thrive as an Applications Developer, you need strong programming skills (e.g., Java, Python, or C#), problem-solving ability, and a relevant degree in computer science or a related field. Familiarity with integrated development environments (IDEs), version control systems like Git, and frameworks such as .NET or Angular is typically required, along with certifications like Microsoft Certified: Azure Developer Associate being advantageous. Effective communication, teamwork, and adaptability are essential soft skills for collaborating with stakeholders and responding to evolving project requirements. These competencies ensure efficient application development, seamless integration, and ongoing maintenance in dynamic technology environments.

How does an applications developer typically collaborate with other teams during the software development lifecycle?

Applications Developers frequently work closely with cross-functional teams, including project managers, UX/UI designers, QA testers, and system administrators. Throughout the software development lifecycle, they participate in planning meetings, share progress updates, and coordinate integration efforts to ensure the application meets business requirements and user needs. Effective communication and teamwork are essential, as developers often need to clarify technical constraints, address feedback, and support other teams in troubleshooting and deployment activities. This collaborative environment fosters innovative solutions and helps deliver high-quality applications.

What is the difference between Applications Developer vs Software Engineer?

AspectApplications DeveloperSoftware Engineer
CredentialsBachelor's in CS or related field; certifications like Microsoft Certified or Oracle CertifiedBachelor's or higher in CS or related; similar certifications often valued
Work EnvironmentDevelops, tests, and maintains specific applications; often works in teams or independentlyDesigns and develops software solutions; may oversee entire systems or projects
Industry UsageCommon in tech, finance, healthcare for application-specific rolesBroader, includes system-level and application development across industries

Applications Developers focus on creating and maintaining specific software applications, while Software Engineers work on designing and building entire software systems. Both roles require similar credentials and often overlap in work environment and industry usage, but Applications Developers tend to specialize in particular applications, whereas Software Engineers may handle larger projects and system architecture.

What are the most commonly searched types of Applications Developer jobs in Illinois?

The most popular types of Applications Developer jobs in Illinois are:

What are popular job titles related to Applications Developer jobs in Illinois?

For Applications Developer jobs in Illinois, the most frequently searched job titles are:

Infographic showing various Applications Developer job openings in Illinois as of August 2026, with employment types broken down into 1% As Needed, 75% Full Time, 21% Part Time, 1% Temporary, and 2% Contract. Highlights an 86% Physical, 3% Hybrid, and 11% Remote job distribution, with an average salary of $106,099 per year, or $51 per hour.

Senior Applications Developer

Lemont, IL • On-site


Peraton
IT Services • 10K+ employees

8.3

Company rating: 8.3 out of 10

Based on 56 frontline employees who took The Breakroom Quiz

52nd of 225 rated it services

People enjoy working here

Good employer

Paid breaks


$96K - $133K/yr

Full-time

Re-posted 14 days ago


Job description

Responsibilities
  • Build, enhance, and maintain custom enterprise solutions in Jira, Java-based applications, and Azure .NET custom web applications
  • Lead and execute the migration of Jira and Confluence from Data Center to Atlassian Cloud
  • Apply software updates, patches, and security remediations to Jira, Confluence, and WebSphere environments
  • Integrate Jira with external tools, systems, and workflows to support operational requirements
  • Provide technical mentorship, guidance, and subject matter expertise to junior and mid-level developers on the team
  • Modernize and re-platform applications written in legacy technologies to current, supported platforms
  • Conduct requirements analysis and translate business needs into detailed technical specifications and design documentation
  • Diagnose, troubleshoot, and resolve complex technical issues across existing application environments, including response to Cyber security alerts affecting IIS and web servers
  • Produce clear, concise, and accurate technical documentation throughout all phases of the development lifecycle
  • Communicate effectively with government clients, end users, and team members via video conference, telephone, and in-person meetings
  • Coordinate and lead development activities across team members to ensure timely and high-quality delivery
Qualifications

Required Qualifications

Candidates must possess all of the following qualifications to be considered for this position.

Education

  • Bachelor's degree in Computer Science, Information Technology, Software Engineering, or a closely related field with 12 years experience.  16 years with a HS Diploma, 10 years with a Master's, 7 years with a PhD

Experience

  • Experience designing, developing, testing, and maintaining custom Jira solutions, including Jira Application Administration
  • Hands-on software development experience, with demonstrated proficiency in Java and JavaScript
  • Experience working with relational databases, including SQL and SQL Managed Instance
  • Experience with version control systems, development frameworks, and application development tooling
  • 4-6+ years of advanced Azure developer experience, including Azure App Service, Azure SQL Managed Instance, and Azure DevOps
  • 4-6+ years of experience with Atlassian Cloud, including hands-on experience migrating Jira and Confluence from Data Center to Atlassian Cloud

Technical Skills

  • Proficiency in Java, .NET, HTML, JavaScript, CSS, C++, C#, SQL, Oracle BI, and PowerShell
  • Experience with development tools including Eclipse, Atlassian Custom Developer Tools, Azure DevOps, and Visual Studio
  • Demonstrated experience with IIS and web server administration, including troubleshooting based on Cyber security alerts
  • Working knowledge of ServiceNow for ticket and incident management
  • Experience with Microsoft Power Platform
  • Strong proficiency in SQL Stored Procedures and relational database design
  • Demonstrated ability to analyze existing application architectures across a variety of platforms and recommend improvements
  • Experience with Agile Scrum methodologies, including use of Jira for sprint and backlog management

Other

  • Strong written and verbal communication skills, with the ability to produce professional technical documentation and engage effectively with government clients and stakeholders
  • Demonstrated ability to work independently and lead development activities with minimal supervision
  • US Citizen with the ability to obtain a DOE Clearance

Desired Qualifications

The following qualifications are not required but will distinguish a strong candidate.

  • Experience supporting federal government IT environments, particularly within the Department of Energy or a similar civilian agency
  • Familiarity with business analysis practices, including stakeholder engagement, process documentation, and requirements elicitation
  • Experience with Oracle BI reporting and dashboard development
  • Demonstrated experience leading application modernization initiatives, including re-platforming legacy systems to cloud-native or modern web architectures
  • Experience with project management principles and the ability to coordinate multi-developer efforts across concurrent workstreams
  • Familiarity with cybersecurity frameworks and secure software development practices applicable to federal environments
  • Experience with WebSphere application server administration and maintenance
  • Prior experience in a technical mentorship or team lead capacity within a managed services or government contracting environment
Peraton Overview

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can't be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we're keeping people around the world safe and secure.

Target Salary Range$135,000 - $216,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual's experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.EEOEEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.Employment Type: FULL_TIME

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About Peraton

Sourced by ZipRecruiter

At Peraton, we re at the forefront of delivering the next big thing every day. We re the partner of choice to help solve some of the world s most daunting challenges, delivering bold, new solutions to keep people around the world safer and more secure.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Herndon, VA, US

Year founded

2017


What Peraton employees say

Pay

Benefits

Hours and flexibility

Workplace

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