Top Tech Jobs & Startup Jobs in Chicago, IL

Design and optimize passive and active silicon photonic components from simulation through layout, foundry tapeout, and characterization. Perform electromagnetic and multiphysics simulations, analyze wafer-level measurement data, develop manufacturable designs, and collaborate with layout engineers, system-level PIC designers, and foundry partners. The role focuses on improving optical performance, fabrication tolerance, bandwidth, crosstalk, insertion loss, and power consumption for LiDAR and optical switching applications.

Owns monthly close, balance sheet reconciliations, AP/AR, invoicing, management reporting, technical accounting, internal controls, and audit preparation. Supports ERP selection and migration, chart of accounts redesign, data validation, UAT, process documentation, inventory costing, and GAAP compliance. Serves as backup for Controller responsibilities and partners with Operations and leadership in a fully remote, growth-stage consumer products company.

Develop and maintain full-stack applications using Vue 3, Nuxt, JavaScript, Node.js, Firebase, Firestore, and Google Cloud Platform. Build APIs, microservices, integrations with AI and marketing platforms, payment systems, and cloud services. Troubleshoot UI, database, deployment, and API issues; write tests; and collaborate remotely with the CTO and development team. This is a part-time, equity-based startup opportunity requiring approximately 20 hours weekly.

Lead and scale U.S. revenue growth by managing outbound pipeline development and selling content syndication, intent-based lead generation, data nurturing, and qualified lead services to B2B technology clients. Own the full sales cycle, use intent-data and account-based outreach platforms, present ROI strategies to executive stakeholders, achieve revenue quotas, collaborate on delivery and renewals, and represent the company at industry events.

Build and maintain Java backend services, REST APIs, and full-stack web application features. Develop frontend functionality with modern JavaScript frameworks, use Python for supporting work, and leverage AI coding tools such as Claude Code. Write tests, debug issues, support deployment and maintenance, and collaborate on design decisions, code reviews, and application quality improvements.

Leads DuPont’s North America specialty lubricants and additives commercial organization. Responsibilities include driving revenue and profitability, expanding distributor channels, managing strategic accounts and OEM relationships, developing commercial strategy, identifying growth opportunities, and leading geographically dispersed sales teams. The role focuses on automotive, industrial, and packaging applications and requires extensive travel across North America.

Lead total rewards strategy through compensation analysis, market benchmarking, salary administration, incentive program development, workforce analytics, reporting, and process improvement. Partner with organizational leaders and cross-functional stakeholders to provide practical recommendations, strengthen rewards programs, and support talent attraction and retention. The role combines strategic consulting with hands-on program management and requires strong analytical, communication, organizational, and project management skills.

Architects and deploys secure, scalable AWS cloud, data, and generative AI solutions for enterprise clients. Leads cloud migrations, legacy modernization, Infrastructure as Code, CI/CD, serverless and containerized implementations, and GenAI workloads using Bedrock and SageMaker. Acts as a client-facing technical leader, presents to executives, builds proofs of concept, identifies cloud expansion opportunities, and mentors engineers while developing reusable delivery accelerators and best practices.

Manage quarterly and annual financial statements, SEC disclosures, consolidation, technical accounting, audits, SOX compliance, and internal controls. Lead reporting process improvements, provide financial analysis for executive decisions, and mentor the financial reporting team. The role requires CPA certification, strong U.S. GAAP and SEC reporting expertise, and experience with public accounting or public-company reporting.

Develop and manage content and social media strategy across Legence and its business-unit brands. Responsibilities include writing and editing multi-format content, managing editorial calendars and social workflows, supporting integrated campaigns, translating technical concepts for diverse audiences, coordinating creative resources, monitoring channels, and analyzing performance using social, web, and marketing automation platforms.