Top Tech Jobs & Startup Jobs in Chicago, IL

Develop and implement integration solutions using Apache Camel and Java/Spring; design RESTful APIs, handle messaging (IBM MQ), fault/transaction boundaries, and support CI builds with Gradle/TeamCity.

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.

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.

Architect, design, and implement cloud infrastructure and applications across AWS, Azure and other cloud platforms. Work with containerization (Docker, ECS), serverless (Lambda), databases (RDS, DynamoDB, Aurora), networking (VPC, VPN, Route 53) and deliver enterprise-level solutions. Collaborate with clients, communicate cross-culturally, and apply infrastructure/HPC expertise.

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.

Full‑stack Java UI Developer responsible for designing and implementing Java/JEE backends and JavaScript-based UIs (AngularJS or React). Work in Agile/XP teams using TDD and pair programming. Use Spring, MongoDB, Node.js, Jenkins, Docker and Git for CI/CD and delivery. Must have insurance domain experience and operate within a global delivery model.

Develop and maintain .NET middleware components and services (C#, WCF/WebAPI) in an SOA environment. Build multithreaded, high-performance applications, design business and data access layers, tune SQL Server, participate in design/architecture reviews, and work within Agile and CI/CD toolchains.

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.

Develop and maintain Java-based J2EE applications and AngularJS single-page front ends. Build RESTful services, use Spring and Hibernate, deploy on WebLogic, follow SDLC, review designs/architecture, and collaborate in a global delivery team.

Lead Azure architecture and consulting engagements: design, deploy, and migrate IaaS/PaaS solutions, conduct PoCs, translate business needs into Azure architectures, present recommendations, and collaborate with customer teams.