Top Tech Jobs & Startup Jobs in Chicago, IL

Two-year rotational analyst program in Insights & Analytics with three rotations (e.g., demand forecasting, data science, predictive science). Gain hands-on experience synthesizing multiple data sources, support forecasting processes with cross-functional partners, design process improvements, build analytic capabilities to predict demand, create data-driven recommendations, and receive coaching and development.

Provides executive and Board support through calendar, travel, meeting, document, and records management. Oversees office operations, vendors, facilities coordination, onboarding logistics, and administrative processes. Supports HR, Finance and Accounting, legal, compliance, corporate governance, and special projects while handling confidential information. Coordinates invoices, expense reports, financial records, employee documentation, contracts, and cross-functional communications. This onsite role requires strong organization, discretion, initiative, and occasional flexibility outside standard business hours and travel.

Develop and maintain scalable Microsoft technology solutions using C#, .NET, ASP.NET, MVC, Web API, SQL Server, and front-end technologies. The role requires expertise in multi-threaded programming, design patterns, MVVM, Knockout JS, BizTalk configuration, EDI transactions, Agile development, and production support. The developer will collaborate with development teams and architects while ensuring system performance, availability, and timely issue resolution.

Leads divisional supply chain strategy, forecasting, vendor collaboration, process improvement, contract negotiations, reporting, risk management, staff coaching, and supply chain technology adoption. The role manages supply chain priorities across construction projects, strengthens operational controls, develops staff, and ensures deliverables meet project and client commitments.

Maintains, redesigns, improves, and supports existing connector and cable products while developing custom products. Creates CAD models, drawings, specifications, analyses, test documentation, cost estimates, and bills of material. Investigates materials and manufacturing processes, resolves production and customer concerns, coordinates with purchasing and manufacturing, and provides technical support to sales, quality, and operations.

Early-career software engineers rotate through two or three technology teams, building systems for a quantitative investment firm. Responsibilities include software development in Python or C++, collaboration with senior mentors, and learning software design, refactoring, testing, and test-driven development. Candidates need a computer science or related bachelor's degree, software-building experience, and preferably knowledge of event-driven architectures, distributed systems, and quantitative methods.

Provides manufacturing engineering support through line troubleshooting, continuous improvement, capacity enhancement, equipment qualification, and new product transfers. The role improves yield, quality, cycle time, ergonomics, and manufacturing efficiency using root cause analysis, statistical tools, Lean and Six Sigma methods. Responsibilities include developing process documentation, coordinating tooling and equipment installation, supporting CAPA and failure analysis, conducting time studies, and training operations personnel on new processes.

Lead development of proprietary business applications and customer-facing portals using object-oriented design. Responsibilities include integrating data layers, implementing domain logic and web presentation, addressing technical issues, mentoring junior developers, coordinating a small team, and contributing to scalable, maintainable architecture and planning.

Design and develop automotive powertrain filtration systems from concept through production launch. Create Creo CAD models, engineering drawings, bills of materials, APQP documentation, and validation plans. Lead customer technical discussions, coordinate cross-functional engineering activities, support testing and manufacturability improvements, and optimize designs using simulation and test results. The role also supports cost reduction, innovation, benchmarking, and intellectual property initiatives.

Designs, builds, secures, and governs enterprise-scale agentic AI systems. Responsibilities include developing LLM, RAG, prompt engineering, and multi-agent solutions; implementing defenses against prompt injection, jailbreaking, and tool misuse; creating resilient, observable, auditable pipelines; and applying software engineering, CI/CD, infrastructure-as-code, and microservices practices. The role also leads cross-functional alignment, advises executives, develops architecture roadmaps, and supports AI governance in regulated environments.