Senior Applications Developer

Peraton; Lemont (IL); On-site; USD 100,000 - 130,000; Full time

Job summary

Peraton is seeking an experienced developer in Lemont, IL to build and enhance custom enterprise solutions primarily utilizing Jira and Azure. The ideal candidate must have a strong background in Java, Azure development, and previous experience with Atlassian tools.

Responsibilities include leading migrations, providing mentorship, and integrating tools to meet operational needs. A Bachelor's in Computer Science or related field with at least 12 years of experience is required. Offers are subject to obtaining a DOE Clearance.

Qualifications

• Bachelor's degree and 12 years of experience in IT; PhD with 7 years.
• Hands-on experience with Jira and Confluence.
• 4-6+ years of Azure development and Atlassian Cloud experience.

Responsibilities

• Build and maintain custom enterprise solutions in Jira and Azure.
• Lead migration of Jira and Confluence to Atlassian Cloud.
• Diagnose and resolve complex technical issues.

Skills

Java

JavaScript

Azure

SQL

C#

CSS

C++

PowerShell

HTML

Education

Bachelor's degree in Computer Science or related field

Tools

Jira

Azure DevOps

Eclipse

Visual Studio

ServiceNow

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

• 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 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

• 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

EEO

Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.