Top Application Engineer Jobs in Chicago, IL

Provides technical product selection and application guidance for Nook and Thomson products. Works with customers to understand requirements, recommend safe and cost-effective configurations, troubleshoot technical issues, prepare pricing proposals, and coordinate with engineering, manufacturing, quality, supply chain, and sales teams. Supports post-sales service, account growth, product direction, and lean process improvement.

Ten-week finance application development internship supporting application development, integration, testing, maintenance, relational database changes, defect resolution, data analysis, and cross-functional project work. The intern will complete programming tasks, contribute to business recommendations, support departmental initiatives, and present project results to leadership while working under mentorship.

Develop and maintain scalable, secure ServiceNow scoped and custom applications. Apply platform engineering best practices, scripting, integrations, troubleshooting, code reviews, and performance standards. Collaborate with technical and business stakeholders on enterprise implementations while minimizing technical debt. The role requires ServiceNow implementation experience, AWS knowledge, AI-assisted development experience, and five days per week onsite in Alpharetta, Georgia.

Supports customer design-ins for analog and motor-drive products through schematic and layout reviews, board-level debugging, evaluation-board design, bench characterization, automation, datasheet review, silicon testing, reference designs, and application-note development. The engineer collaborates with systems engineers and customers, provides technical support, and helps new products progress from development through production ramp.

Develops and tests scalable Java web applications and reusable components throughout the agile lifecycle. Responsibilities include SOAP and REST web services, unit and acceptance testing, code reviews, troubleshooting, load testing, performance tuning, continuous improvement, and sprint communication. The role requires collaboration across development and testing teams, cloud application experience, AWS, CI/CD, J2EE frameworks, and eligibility for a Public Trust clearance.

Develop and support application software and hardware for electronic controls, HMIs, and mobile/off-highway vehicle systems. Create reusable application blocks, simulate and validate software in laboratories and vehicles, implement functionally safe software, document requirements, and provide onsite customer support. Collaborate with multidisciplinary engineering teams, support customer engagements and sales activities, and travel up to 10%.

The Lead Application Engineer drives business strategy with technical expertise in the Inquiry to Order phase, ensuring high-quality proposals and technical accuracy for electrical projects while mentoring team members.

Develop and maintain the Timmy HR mobile application for iOS and Android. Implement UI workflows, integrate backend APIs and authentication, support employee features, fix bugs, test across devices, prepare app releases, and document technical changes while collaborating with design and backend teams.

Leads and mentors application engineers while designing Java and Spring Boot microservices. Oversees application modernization, VM-to-container migration, GCP and GKE deployments, Kubernetes troubleshooting, CI/CD, testing, database integration, observability, and distributed systems. Coordinates technical dependencies across a large application portfolio and collaborates with platform, DevOps, security, and architecture teams. Uses AI-assisted engineering tools to accelerate development, modernization, testing, documentation, and automation.

Design, develop, and architect enterprise applications using Microsoft Power Platform, including Power Apps, Power Automate, Power Pages, and Dataverse. Integrate enterprise data sources, build custom plugins and APIs, implement secure architectures, and establish ALM and deployment practices. Lead and mentor a team of developers, collaborate with stakeholders and technical teams, participate in Agile ceremonies, and present technical solutions.

Develop and maintain AmeriCorps grants management applications using Java, Oracle, PL/SQL, and SQL. Modernize systems, implement enhancements and interfaces, support security and privacy requirements, collaborate with stakeholders to capture and deliver requirements, and perform application testing and maintenance.

Owns the reliability, lifecycle, and evolution of enterprise vendor applications. Leads Tier 3 escalations, implementations, upgrades, integrations, technical initiatives, vendor relationships, application roadmaps, and product ownership. The role translates business needs into secure, scalable solutions, coordinates cross-functional teams, improves operational controls and documentation, and mentors a junior application engineer.

Develop and support low-code applications, dashboards, workflows, and integrations using Microsoft Power Platform and ServiceNow. Engage Coast Guard users during roadshows to gather requirements, create prototypes, and deliver MVP solutions. Translate business needs into technical designs, data models, user stories, and workflow logic; support testing, Agile delivery, troubleshooting, documentation, and production transition.

Supports enterprise database and application availability, troubleshooting, outage response, upgrades, recovery, certificates, APIs, middleware, and infrastructure integration. Diagnoses service disruptions, coordinates with operations and development teams, validates fixes and recoveries, documents incidents and root causes, supports security remediation, and maintains dependency, configuration, and recovery documentation. The role requires after-hours support for outages and maintenance activities in a federal environment.

Leads development and sustainment of the DOW logistics application using Java, JavaScript, and SQL. Designs application components, integrations, backend services, and system architecture; provides technical guidance; troubleshoots issues; improves performance; enforces code quality; collaborates with QA, DevSecOps, and systems engineers; and maintains technical documentation.

Own electrical application engineering for prefabricated data-center platforms, including power distribution, switchgear, MCCs, UPS systems, transformers, controls integration, documentation, vendor requirements, BOM accuracy, and design-risk evaluation. Translate customer specifications into manufacturable solutions, support prototyping and FAT/SAT testing, troubleshoot first-article builds, and coordinate with mechanical, controls, sales, supply chain, operations, vendors, and fabricators. The role is remote with up to 25% travel and requires independent senior-level technical ownership.

Develop and support enterprise application integrations, SQL Server databases, SSIS ETL processes, Power BI reports, REST APIs, and data migration solutions. Troubleshoot production integration, reporting, and data-quality issues; collaborate with stakeholders on technical requirements; and support documentation, deployment, and release activities. The role is remote and requires strong SQL, systems integration, business intelligence, and data-integration experience.

Design, develop, and maintain provider-facing web portal microservices and highly available business applications. Collaborate with product managers and designers from ideation through deployment and maintenance, make technical decisions, conduct code reviews, mentor engineers, support QA, and contribute to compliance initiatives. The role involves modern and legacy technologies, AWS services, microservice and event-driven architectures, APIs, databases, front-end development, infrastructure as code, and secure handling of PHI.

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.

Provides technical and sales support for filtration and pressure equipment applications. Designs and sizes equipment, interprets engineering standards and customer specifications, prepares quotations and cost estimates, supports sales teams and distributors, coordinates with manufacturing and drafting, and develops cost-effective solutions. Requires expertise in pressure vessels, piping, pressure equipment design and manufacturing, and filtration processes. Travel is up to 50%.

Designs and scales high-performance backend web services and ETL pipelines supporting tens of thousands of transactions per second. Responsibilities include architecting fault-tolerant distributed systems, improving performance, developing monitoring and deployment strategies, collaborating across product and engineering teams, and supporting recruiting and onboarding. The role requires expertise in data-intensive systems, microservices, cloud architectures, and commercial SaaS products.

Develop and own enterprise low-code/no-code applications, workflow automations, integrations, and AI-enabled solutions. Responsibilities include product roadmapping, Agile delivery, data modeling, ETL and migration, troubleshooting, system optimization, stakeholder collaboration, and process modernization. The role uses platforms such as Quickbase, Microsoft Power Platform, SAP integrations, RPA, AI agents, and AI coding assistants to deliver business applications and automation products.

Lead hands-on development and operation of billing, usage, rates, and marketplace systems. Build primarily in Go while contributing to TypeScript and React applications, Kubernetes infrastructure, databases, CI/CD, and cloud services. Improve reliability, automation, observability, auditability, and production recovery. Deliver projects end to end, investigate incidents, participate in on-call, collaborate across teams, and provide technical leadership through design, reviews, mentoring, and operational improvements.

Architect, build, and own Mozilla’s Salesforce platform supporting enterprise sales and revenue operations. Responsibilities include designing data, security, sharing, and business-process models; developing with Salesforce Flow, Apex, SOQL, and Lightning Web Components; integrating Salesforce with NetSuite, BigQuery, and other systems; establishing CI/CD, testing, governance, and release practices; and creating secure MCP and AI-agent integrations. The role partners across Sales, Finance, Legal, Security, and IT while leading platform reliability, support, and long-term technical strategy.

Build and operate full-stack applications, customer portals, APIs, and backend services supporting usage metering, billing, provisioning, and cloud marketplace integrations. Develop primarily with TypeScript and React, alongside Golang and Node.js services. Lead technical design, improve reliability and observability, optimize CI/CD, participate in on-call, mentor engineers, and coordinate cross-functionally. Own production behavior across distributed systems, including reconciliation, rollout controls, monitoring, and recovery procedures.