Top Tech Jobs & Startup Jobs in Chicago, IL

Develop cross-platform mobile applications using Flutter/Dart for iOS and Android; build UIs with Flutter widgets, implement state management, API/data integration, native mobile features, and deploy via TestFlight, App Store, and Play Store. Use architectural patterns for maintainability and collaborate with Atlassian tools. Work on Mac or Linux.

Develop and maintain security observability dashboards for vulnerability scans, actions, and traceability. Gather requirements with stream leads, design and implement dashboards, provide team training on the stack, and support ongoing dashboard creation.

Design and build scalable web applications and RESTful APIs in C# (.NET/.NET Core). Develop front-end UIs with React/HTML5/CSS3/JavaScript, implement microservices, NoSQL and SQL databases, use containers/Docker and CI/CD pipelines, and write automated tests. Participate in complex system design and implementations.

Lead porting of iOS applications to Android for a large device fleet (30K+). Develop native Android apps (time tracking, remote support), integrate with hardware (scanners, payment PODs), and enable remote control and back-office support features.

Lead month-end, quarter-end, and year-end financial close; analyze and resolve accounting and reporting issues; automate and simplify processes; perform data mining on large databases; present to senior management; manage projects and potentially offshore teams; ensure continuous improvement and SOX/US GAAP awareness.

Lead design and development of multi-tier, SOA-based applications on iSeries. Architect front-end applications, build stored procedures, and lead Agile development teams. Requires seven plus years of software development experience and a bachelor’s degree.

Manage, design, install, support, and maintain VMware virtual environments and virtual-based systems. Administer Red Hat Linux and Windows Server OS, support email systems (MS Exchange/O365 preferred), troubleshoot issues, lead tasks, and communicate effectively to manage multiple priorities.

Contract Senior Node.js Developer (remote) to build and maintain server-side applications using Node.js, JavaScript, and TypeScript. Must be self-directed, motivated, and able to manage time independently for a 6+ month engagement.

Lead design and implementation of SAP S/4HANA and HANA Enterprise solutions, guide stakeholders and teams, develop integrations and data warehouse capabilities, define enterprise reporting standards, prototype and review designs, and ensure scalable, automated, and monitorable solutions.

Design and produce pixel-perfect UX/UI mockups for mobile and desktop using Sketch and InVision. Create Sketch libraries and UI specifications, identify and solve UX problems, design new mockups and test them with focus groups, and apply strong typography, composition, and iconography skills.