Top Tech Jobs & Startup Jobs in Chicago, IL

Manage and optimize end-to-end account reconciliations, intercompany eliminations, and chart-of-accounts governance. Identify discrepancies, perform variance analysis, and implement AI-driven automation and anomaly detection to reduce manual effort and accelerate close. Collaborate with cross-functional teams to resolve mismatches and improve financial data quality and reporting accuracy.

Build and maintain operating and cash-flow models, apply AI/ML and data techniques to automate forecasts, run sensitivity and scenario analysis, translate strategy into financial outcomes, support fundraising/M&A/pricing, and create dashboards and reports for stakeholders.

Develop and enhance 3D game and simulation features using Panda3D. Build flexible, scriptable tools and gameplay systems, optimize performance, collaborate with developers, artists, and researchers, participate across the development lifecycle, and provide ongoing support and documentation.

Develop and optimize cross-platform 2D and 3D games using Java and libGDX for desktop, Android, and web. Collaborate with artists and designers to prototype and implement gameplay, UI, and interactive systems, maintain modular reusable code, profile and debug performance issues, and produce clear documentation and team communication.

Contractor mobile game developer using Solar2D/Corona SDK and Lua to prototype and build high-performance, monetization-ready cross-platform games for iOS and Android. Responsibilities include developing gameplay systems, optimizing performance, integrating ads and in-app purchases, collaborating with artists and designers, producing clean documented code, and participating in code reviews.

Design realistic, specialty-specific clinical case scenarios and gold-standard attending-level responses, evaluate and grade AI-generated outputs using structured rubrics, provide detailed written feedback to improve model clinical reasoning, and participate in onboarding, calibration, and review sessions in a fully remote, asynchronous contractor role (~20 hours/week).

Create realistic Cocos2d-x game tasks (sprite management, animations, physics, UI, game logic); write clear prompts and evaluation rubrics; execute and review tasks in virtual environments; provide feedback to improve task quality and consistency.

Develop and enhance Panda3D-based 3D game simulations for AI training. Implement and maintain Python and C++ code, ensure cross-platform performance, use GitHub workflows, document architecture, and collaborate with teams through reviews and discussions.

Design and maintain spatial databases; perform advanced geoprocessing and spatial modeling in QGIS; develop and customize QGIS plugins and automate workflows with PyQGIS; produce professional cartographic maps and visualizations; collaborate with multidisciplinary teams and communicate technical findings to stakeholders.

Develop, prototype, and launch lightweight, high-performance 2D games using the Defold engine and Lua. Implement modular, component-based gameplay systems, optimize builds for mobile and web, collaborate with designers and artists, profile and fix performance issues, and follow best practices for clean, documented code and multi-platform deployment.