Top Tech Jobs & Startup Jobs in Chicago, IL

Lead development of scalable search-platform software focused on product-catalog relevance. Design lexical and semantic retrieval, hybrid ranking, reranking, and learning-to-rank systems; evaluate quality through offline metrics and online experiments. Partner with Data Science, Product, Analytics, and Architecture teams on embeddings, relevance measurement, and technical solutions. Maintain production systems, resolve issues, mentor engineers, conduct code reviews, and promote continuous delivery and engineering best practices.

Develop and modernize native iOS applications for Grainger’s Sales Enablement Mobile Team using Swift and SwiftUI. Build scalable, accessible, high-performance interfaces and support APIs through BFF architectures and Python. Lead architecture decisions, CI/CD improvements, testing, observability, security, and performance optimization. Mentor engineers, promote clean code and trunk-based development, and collaborate across teams to deliver production-ready mobile tools.

Lead development of pricing web applications using React/Next.js front ends and Java/Kotlin back ends. Build reusable components, optimize performance and scalability, integrate RESTful APIs and third-party services, containerize with Docker/Kubernetes, enhance CI/CD, collaborate with data, product, and design teams, and troubleshoot production distributed systems.

Design, train, validate, and deploy machine learning and deep learning models for e-procurement use cases including prediction, ranking, recommendations, entity resolution, document intelligence, and automation. Perform exploratory data analysis, feature engineering, experimentation, model evaluation, and error analysis. Build maintainable Python and SQL workflows, collaborate with engineering and product teams, and communicate technical findings to diverse stakeholders.

Leads data architecture, data warehouse design, ETL development, and scalable analytics solutions using cloud and modern data technologies. Develops Python, SQL, and JavaScript code; optimizes distributed systems and CI/CD pipelines; troubleshoots production systems; evaluates emerging technologies and AI tooling; collaborates with technical and business stakeholders; and mentors junior engineers.

Leads engineering for Grainger’s eProcurement domain and customer-facing API portal. Manages engineering teams and managers, establishes team charters, drives cross-functional execution, shapes external API standards, and advances modernization. Builds reliable, observable, high-performing systems through strong engineering practices, operations reviews, metrics, incident processes, and cloud-based delivery. Develops engineering leaders and partners with Product, Architecture, UX, Data, ML, and peer engineering teams.

Leads architecture, design, implementation, and evolution of scalable backend services and APIs for customer address data. Drives technical strategy, distributed systems standards, observability, reliability, incident response, and performance optimization. Partners across engineering, product, architecture, and business teams; establishes reusable platforms and engineering practices; mentors engineers; leads design and code reviews; and contributes hands-on to complex enterprise solutions.

Design, develop, test, deploy, and support scalable software services, APIs, and event-streaming applications using Java and Spring Boot. Collaborate with engineers, architects, analysts, stakeholders, and product managers on technical solutions. Apply CI/CD and engineering best practices, participate in pair programming and TDD, and mentor junior engineers while supporting full systems lifecycle delivery.

Lead product strategy, vision, roadmap, and customer-facing API design for Grainger’s eProcurement integrations. Define measurable outcomes, prioritize customer-focused solutions, guide cross-functional engineering and operations teams, and drive adoption across complex organizations. The role requires deep process analysis spanning intake, integration, ordering, invoicing, and payment, while influencing senior stakeholders, managing ambiguity, and mentoring other product managers.

Leads the Search Engineering organization supporting Grainger’s digital experiences. Responsibilities include owning search strategy and roadmap, overseeing indexing, retrieval, ranking, and ML-powered search capabilities, managing engineering managers and senior managers, developing talent, improving agile delivery and operational rigor, and championing DevOps, CI/CD, cloud-native architecture, observability, and scalable systems. The role partners closely with Product, Architecture, and Data Science and represents Search engineering with executive stakeholders.