Senior Applications Developer
Peraton
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. #J-18808-Ljbffr
- A leading IT services provider is seeking experienced IT Professionals for roles in applications development and GIS. Candidates should have a strong background in C# or VB.NET development, project management, and GIS application development. Minimum seven years of experience...Senior
- A leading IT consulting firm in Oak Brook, Illinois, is seeking a skilled developer with expertise in C#, .Net, and Microsoft SQL. The role involves developing applications, mentoring junior programmers, and analyzing new technologies within a fast-paced team environment...Senior
- ...Job Summary We are looking for a Senior .NET Developer to build and maintain high-quality applications using C# and .NET technologies . The ideal candidate will have experience in developing, debugging, and deploying web or desktop applications and be familiar with SQL...Senior
- ...Senior Application Engineer Job Location: US-IL-Bolingbrook # of Openings: 1 Shift: 1st Shift Company Division: ILUS Overview Daifuku Intralogistics America Corporation is a leading provider of intelligent material handling systems. With hundreds of engineers in‑house...SeniorFor contractorsFor subcontractorWork at officeShift workWeekend workDay shiftAfternoon shift
$76.6k - $144.7k
Chamberlain Group is seeking an Application Developer with expertise in Salesforce.com to design, develop, and support application functionalities. The ideal candidate will have at least 3 years of experience in SFDC development and a Bachelor’s degree in Information Systems...Senior- ...consulting firm in Oak Brook, IL, is seeking a full-time .Net Developer. The ideal candidate will have 5-7 years of programming... ...Net, and Web Development. Responsibilities include developing applications in a team setting, mentoring junior programmers, and maintaining...SeniorFull time
$117k - $133k
...Software Engineer in Bolingbrook, IL to join our Software Engineering Team. In this role, you will design and develop scalable, high-performance applications and APIs using C# and modern .NET technologies. You'll work across a modern UI stack and collaborate closely with...Senior- Inspira Financial Trust, LLC seeks talented Senior Software Engineers to create complex .NET back-end solutions while collaborating with an Agile, cross-functional team. You will have a pivotal role in the product development life cycle, demonstrating ownership from design...Senior
- ...Inc, based in Naperville, Illinois, is seeking a full-time Salesforce Developer to join their team. The ideal candidate will have 4 to 9 years of experience in developing enterprise scale applications and a strong background in Salesforce, particularly APEX and...SeniorPermanent employmentFull time
- Daifuku North America in Bolingbrook, Illinois, is seeking a Sr. Application Engineer to oversee engineering and project management for complex material handling systems. This role involves collaborating with teams to define specifications, designing systems, and mentoring...SeniorFlexible hours
- Job Title: Embedded Software Engineer III - Linux Touch Screen Applications CNH Industrial is seeking an experienced Embedded Software... ...team. The selected candidate will be responsible for designing, developing, testing, and maintaining C++ software applications for Linux...Senior
- ...are interested in an exciting/challenging opportunity at Oakbrook Terrace, IL Onsite. Our client is interested in hiring a Senior .NET Developer with Sitefinity who can use Asp.net/C#, Sitefinity, Web services - Web, and SQL Server. Please let us know whether you would...SeniorContract workImmediate startRemote work
- Confidential is seeking a .NET Software Engineer based in Lisle, Illinois. The role involves designing and developing web and console applications, performing coding, testing, and documentation. Candidates should have a BS in Computer Science or equivalent experience and...Senior
- A leading IT staffing firm is looking for an experienced C# developer located in Naperville, IL. The ideal candidate should have over... .... Responsibilities include developing and supporting .NET applications, working closely with architects and teams, and assisting in...Senior
$65 - $70 per hour
...Job Description Job Description Overview CTG is seeking to fill a Senior .NET Application Developer position for our client in Lisle, IL. Location: Lisle, IL Duration: 12 months Hybrid role: 4 days in office Required Skills: ~10+ years of professional...SeniorHourly payWork at office- ...Certifications: MSCE (preferred) Candidates must have: The .NET Software engineer will be responsible for designing and developing innovative web and console applications. He/She will perform design, coding, testing, implementation, and documentation of solutions. Required...Senior
- Daifuku Intralogistics America Corporation is looking for a Senior Application Engineer in Bolingbrook, IL. This role focuses on engineering and project management for complex material handling systems while collaborating with various teams. A bachelor's degree in engineering...Senior
$140k - $160k
...may vary due to factors such as experience and skill set. As a Senior .NET Software Engineer at RXO you’ll combine deep hands‑on... ..., you’ll be responsible for building high‑quality, full stack applications while guiding technical design decisions, setting development...SeniorHourly pay16 hoursTemporary workWork at officeRemote workMonday to ThursdayFlexible hours- ...Technologies is seeking an experienced Embedded Software Engineer III to join its Linux Touch Screen Applications team in Oak Brook, Illinois. The position involves designing, developing, testing, and maintaining C++ applications for Linux-based embedded systems in the...Senior
- 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...Senior
- ...deliverables. The ideal candidate will have at least a BS in Computer Science and 5+ years of experience in Salesforce development and application design. Strong problem-solving skills and the ability to communicate effectively are essential for collaborating with various...Senior
- A leading e-commerce firm located in Downers Grove is looking for a Software Developer with 3-5 years of experience in the Microsoft .NET environment. The ideal candidate will be involved in building scalable systems to support business needs, while collaborating with an...Senior
- ...PUMPE COMPANY LTD is looking for a Service Technician Trainer located in Romeoville, Illinois. This role focuses on training and developing new and existing technicians to enhance their mechanical, electrical, and customer service skills. The ideal candidate will have...Senior
$100 per hour
Senior Application Security Engineer - Cloud Security A highly regulated consumer services firm is seeking an experienced, hands‑on Senior... ...applications and APIs (via Burp Suite Pro), triage findings with developers, and drive remediation within SLA targets. Pipeline...SeniorContract work- ...Request ID: 97103-1 Title: Senior Java Full Stack Developer Locations : Naperville IL (Local) Duration: 6 Months Pay Range: $35 -... ...architecture to design, develop, and maintain scalable enterprise applications. The ideal candidate should have knowledge in Mongo DB,...SeniorWork experience placementLocal areaImmediate start
$37 - $43 per hour
...Akkodis is seeking a Senior Java Full Stack Developer for a Contract with a client in Naperville, IL. The ideal candidate will design, develop, and support scalable enterprise applications while driving microservices-based solutions and cloud-native development...SeniorHourly payContract workTemporary workLocal area- SATCON Inc. is seeking an experienced Spryker Specialist (PHP/Backend) to build and maintain the transaction engine of a B2B eCommerce platform. You will contribute within Core Commerce and Business Integrations, delivering production-grade code each sprint from Lisle, ...Senior
- A consulting firm is seeking a Senior Software Developer to join their Application Development Team. The ideal candidate will be responsible for delivering efficient and scalable solutions while participating in all stages of the software development lifecycle, focusing...Senior
$80k - $100k
...such as experience and skill set. As a Senior Solutions Engineer in Managed Transportation... ...best tools in the industry to grow and develop to a level that will exceed your... ...We’d love to hear from you. Fill out an application now and join our talent community to learn...SeniorHourly pay16 hoursTemporary workFlexible hours- Oncourse Home Solutions is looking for a Senior Software Engineer in Naperville, IL to contribute to the development of applications and mentor teams. You will design and support software components while addressing complex issues within cross-functional partnerships. The...Senior
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Applications Developer. Be the first to apply!
- senior accountant remote Lemont, IL
- senior network engineer remote Lemont, IL
- senior Lemont, IL
- senior level Lemont, IL
- senior performance engineer Lemont, IL
- senior application security Lemont, IL
- senior financial analyst fp&a Lemont, IL
- senior software engineer remote Lemont, IL
- senior application administrator Lemont, IL
- cash applications coordinator Lemont, IL

