Top Tech Jobs & Startup Jobs in Chicago, IL

Lead technical architecture and hands-on implementation of IAA's Azure-based data platform. Design and build scalable, production-grade data pipelines, semantic models, and data products for BI, analytics, forecasting, and ML. Define standards, mentor engineers, resolve performance and scalability challenges, and drive platform strategy across Fabric, Synapse, Power BI, and related Azure services.

Design, build, and modernize backend systems with modern .NET and microservices on Azure. Develop Azure Function Apps and backend APIs, implement data access with Cosmos DB/Blob Storage/SQL, integrate secure authentication (Entra ID), collaborate with frontend teams using React/Vue, write tests, conduct code reviews, and improve CI/CD and DevOps practices.

Contribute to a microservices-based e-commerce platform: design, build, test, and operate back-end services and front-end React components. Own features from requirements through deployment, use CI/CD and containerization, support production incidents, and leverage AI-assisted developer tools to accelerate work.

Lead modernization of legacy .NET applications into cloud-native .NET services. Drive architecture, design scalable APIs, improve performance and resilience, embed observability and secure-by-default patterns, mentor engineers, and support high-severity incidents while collaborating with Infrastructure, Security, Data, and Operations teams.

Manage day-to-day accounts receivable operations including invoicing, payments, collections, reconciliations, and SOX-compliant controls. Prepare monthly reports, assist audits, resolve AR issues, and supervise/train a small AR team (2-4), handling hiring and performance management.

Manage biweekly payroll for 6500+ North American employees, including processing, reconciliation, auditing, timecard management, supplemental payments, tax withholding validation, year-end duties, and continuous process improvements while ensuring compliance.

Lead design and delivery of complex full‑stack features using .NET and modern web architectures. Mentor junior engineers, review code, drive performance, reliability, and maintainability, collaborate with product/QA/DevOps, and reduce technical debt while owning technical solutions.

Own and optimize the end-to-end post-sale buyer experience across desktop and mobile, including checkout, payments, transport ordering, and title delivery. Lead third-party payment integrations, define APIs with engineering, monitor KPIs, prioritize roadmaps and backlogs, conduct user research, and collaborate with stakeholders to deliver high-quality, customer-focused product improvements that meet business objectives.

Lead execution of sales rollouts by tracking adoption, engagement, and outcomes; build executive-ready scorecards and dashboards; collect and synthesize feedback; manage communications and cross-functional coordination to ensure aligned, measurable adoption and impact.

Build and maintain .NET backend services and serverless Azure components, contribute to microservices migration, integrate REST APIs and SSO (Entra ID), collaborate on React/Vue frontend work, write unit tests, and follow code review and quality practices.