Top Tech Jobs & Startup Jobs in Chicago, IL

Lead cloud strategy and adoption for executive customers. Assess and recommend To-Be AWS and Azure architectures, provide provisioning expertise, and guide implementation of native cloud services. Serve as a technical consultant with strong multi-cloud architecture knowledge.

Design, build and optimize middleware components and services in .NET (C#) using WCF/WebAPI, Entity Framework and LINQ. Develop multithreaded, high-performance applications, create business and data access layers, perform SQL Server development and tuning, participate in design/architecture reviews, and work within Agile teams using CI/CD tools like Jenkins and Jira. Experience in financial/trading domains is a plus.

Design and implement enterprise integrations using Core Java/Spring and Apache Camel. Build ESB-based solutions (ServiceMix/Fuse), implement messaging with IBM MQ, develop RESTful APIs, handle fault/compensation/transactional boundaries, use container platforms (Tomcat, EAP, WebSphere), apply TDD, Gradle builds and TeamCity CI, and decompose complex designs into phased implementations.

Lead enterprise Java EE architecture for large financial-services IT projects. Define and drive new architectures, mentor teams, produce thought leadership and white papers, and execute large-scale solutions.

Design, implement, and migrate large-scale campus and data center networks (Cisco Nexus/ACI/NX-OS, 6500/4500 VSS, routers), WiFi and WAN solutions, document designs in Visio, ensure perimeter security, troubleshoot protocols, present to clients, and support consulting engagements with travel.

Full‑stack Java developer responsible for backend Java/JEE and frontend JavaScript (AngularJS or ReactJS). Work in Agile/XP with TDD, using Spring, MongoDB, Jenkins, Docker and Node.js. Collaborate across stakeholders, meet delivery velocity, and apply insurance-domain knowledge.

Develop and maintain Java-based UI/front-end applications as a full-stack developer. Work in Agile/XP environments using pair programming and TDD. Use Java/JEE, modern JavaScript frameworks (AngularJS or React), Spring, MongoDB, CI/CD tools (Jenkins, Docker), and collaborate with stakeholders in the insurance domain to meet delivery targets.

Lead design and implementation of Sitecore CMS solutions including architecture, multi‑lingual sites, content migration, performance tuning, integrations via APIs/web services, release management, and team leadership for Sitecore development projects.

Develop and maintain .NET middleware and services using C#, Entity Framework, LINQ, WCF/WebAPI in an SOA environment. Build multithreaded, high-performance components, abstract business and data access layers, tune SQL Server performance, participate in design/architecture reviews, and use CI/CD tools (Jira, Jenkins). Financial domain experience and MongoDB knowledge are a plus.

Design and implement integration solutions using Core Java and Spring with Apache Camel and ESB platforms. Develop RESTful APIs, handle messaging via IBM MQ, manage fault/compensation handling and transactional boundaries, use container architectures (Tomcat, Fuse, EAP, WebSphere), apply Gradle and TeamCity CI, follow TDD, and phase complex designs into implementable stages.