Top Application Engineer Jobs in Chicago, IL

Develop, test, and validate application software and HMI solutions for mobile/off-highway hydraulic systems using C, Codesys, MATLAB/Simulink and HYDAC MATCH. Provide lab and on-vehicle validation, technical customer support, and sales representation. Create reusable function blocks and implement functionally safe software in collaboration with multidisciplinary teams.

Lead penetration testing and vulnerability remediation for web, mobile, and medical device applications, ensuring compliance with healthcare regulations.

Develop, troubleshoot, and support PeopleSoft applications using PeopleTools, App Designer, Application Engine, PeopleCode, and SQR. Perform installs and upgrades, work on PeopleSoft Financials (GL/Asset Management), participate in upgrade projects, and provide customer-facing technical support while multitasking in a fast-paced team environment.

Design, develop, test, document, and maintain .NET web applications in a team environment. Mentor junior developers, assist project planning and timelines, evaluate emerging technologies, and manage/assign work via a ticket tracking system.

Lead full-stack developer designing, building, testing, and supporting Java/JavaScript/AngularJS web applications. Responsible for architecture, UI/UX, RESTful integrations, database design, internationalization, mentoring junior developers, code reviews, and improving legacy systems within enterprise, cross-functional projects.

Design and specify complex wastewater and process water treatment systems (e.g., RO, UF, DAF, IX, CEDI). Perform process calculations, PFDs/P&IDs, mass/water balances, pump sizing, equipment/material selection, risk assessment, proposals, customer presentations, and mentor junior engineers.

Design and specify complex wastewater and process-water treatment systems. Perform process calculations, PFDs/P&IDs, mass/water balances, hydraulic and pump sizing, equipment/material selection, and costing. Develop proposals, present technical solutions to customers, support bid decisions, and mentor/train other engineers while collaborating with sales and cross-functional teams.

The Condition Monitoring Application Engineer supports sales by providing technical expertise, analyzing vibration data, and engineering solutions for clients.

The role involves developing applications by creating complex solutions, working with a collaborative team, and using various technologies, while maintaining security clearance.

Build and ship Android and/or iOS features for BJAK's AI Neobank app. Own end-to-end mobile experiences—from product problem through releases—working with backend, design, product and AI teams. Improve app quality using analytics, crash reports, and user feedback, and raise standards for UX, reliability and performance.

Lead AppOps Engineer responsible for end-to-end application runtime health and reliability. Own production reliability, incident response, release/change operations, observability, automation, capacity and DR planning, security-by-default, runbook and SOP development, and mentor AppOps engineers while partnering with Engineering, CloudOps, Security, and Compliance.

The Fullstack Application Developer will design, build, and maintain a platform for marketing teams, focusing on both front-end and back-end development while mentoring junior developers.

Develop, enhance, and maintain enterprise web-based GIS applications, dashboards, APIs, and geospatial services. Integrate GIS with enterprise systems, support ArcGIS Enterprise, assist modernization to cloud, perform testing, troubleshooting, deployment, documentation, and user support within federal environments.

Develop and maintain native iOS and Android applications for streaming experiences. Collaborate on TV platforms, establish architecture, and utilize AI tools to enhance productivity.

Lead support and enhancement of Cognizant QicLink: analyze, troubleshoot, test, and resolve software and data issues; implement integrations and system enhancements; support data requests, QA, patch releases, and upgrades; collaborate with business and technical teams to improve performance and reduce defects.

The Senior Application Support Engineer leads efforts to ensure application reliability, manages incidents, collaborates with teams, and monitors performance, providing 24/7 support.

The Senior Software Engineer will design and develop IMS TM and DB-compatible technologies, providing architectural leadership and mentoring while optimizing mission-critical applications for modern environments.

The Principal Application Modernization Engineer leads technical architecture, ensures code quality, integrates AI solutions, and mentors engineers while managing client relationships.

Designs and develops enterprise-scale applications, collaborating with business analysts and system architects. Implements web- and API-based solutions using Java, .NET, AngularJS, JavaScript, SOAP/REST, MuleSoft, and low-code/no-code BPMN tools (Appian, Salesforce, Nintex) with SQL Server in agile/hybrid environments.

Design and build full-stack applications that expose AI/ML insights. Develop backend services in Python, RESTful APIs, and containerized microservices. Build high-performance front-end interfaces with React/Vue/Angular. Implement cloud-native solutions on Google Cloud or Azure, manage relational and NoSQL databases, apply testing and CI/CD, and participate in Agile development and architecture sessions.

Design, develop, test, deploy, and maintain UiPath RPA automations and reusable components. Support process discovery, pilots, integration with enterprise systems, documentation, performance metrics, cybersecurity compliance, and user adoption for U.S. Coast Guard automation initiatives.

The Senior Full-Stack Engineer will design, implement, and maintain systems for Trading API customers, focusing on both frontend and backend development, while leading projects and mentoring peers.

As a Staff Application Platform Engineer, you will enhance developer productivity, design scalable systems, ensure security, and collaborate cross-functionally on projects from ideation to deployment.

The Applications Engineer installs and integrates AI vision systems on production lines, troubleshoots issues, and provides customer support in manufacturing environments.

Lead technical delivery and modernization of applications while mentoring engineers. Manage client engagements, architect solutions, and improve software delivery processes.