Top Tech Jobs & Startup Jobs in Chicago, IL

Design, develop, and optimize prompts for conversational AI and integrate them into NLP/LLM systems. Build RESTful APIs (Python/Django/Flask) and React front-ends, evaluate prompt effectiveness with metrics and user feedback, collaborate with product, UX, and data teams, and document prompt engineering methodologies.

Perform data cleansing, ETL, and preprocessing; analyze Retail CPG sales, inventory, and customer data; build predictive models for forecasting and segmentation; research and deploy Agentic frameworks and intelligent agents; produce visualizations and communicate insights to cross-functional stakeholders to optimize supply chain, marketing, and customer experience.

Lead and deliver design work across projects—create and review comps, branding, graphics, layouts; contribute information architecture; set objectives and drive project delivery; coordinate offshore resources; ensure technical feasibility and handoff to developers.

Lead reconciliation data analysis for cash, stock and position records. Gather requirements, document functional specs, validate solutions, support production deployments, investigate data quality and work with technology leads to ensure data completeness and lineage.

Author, edit, and maintain landing pages, emails, SMS, and campaign content. Configure marketing automation, user journeys, and promotional offers. Optimize content for SEO, conversion, and cross-channel consistency while collaborating with design, development, and business teams.

Hands-on Rust developer lead building secure, scalable cloud services. Design, implement, and optimize low-latency trading and pricing systems; mentor junior engineers; apply agile practices, CI/CD, profiling, and cloud technologies to deliver production-ready features.

Senior Business Analyst specializing in advanced data visualization: create dashboards, choose optimal chart types for varied audiences, visualize high-dimensional data, apply statistics and financial modeling, collaborate with UX, and help drive execution.

Lead design, automation, monitoring, and optimization of scalable, secure GCP infrastructure. Build CI/CD pipelines, manage incidents and security/compliance, support dev teams, script automation, and optimize costs.

Lead design and implementation of scalable, secure data architectures (lakes, warehouses, pipelines). Provide technical leadership, mentor engineers, enforce data governance and security, optimize performance, review models and ETL code, and collaborate with stakeholders to deliver maintainable, compliant data solutions.

Design, execute, and maintain manual and automated tests (functional, regression, performance). Report and track defects, perform API testing, collaborate with developers and product owners, and improve testing processes. Participate in test planning, documentation, and ensure adherence to SDLC and quality best practices.