Top Tech Jobs & Startup Jobs in Chicago, IL

Design and develop data management and big data analytics solutions using Hadoop ecosystem and cloud platforms. Implement ETL and processing with Java/Python/Scala, work with databases (Oracle, SQL, DynamoDB), and apply DevOps and cloud best practices (AWS/Azure). Requires analytical problem-solving and US work authorization.

Develop middleware components and services in .NET (C#) using Entity Framework, LINQ, WCF/WebAPI in an SOA environment. Build multithreaded, high-performance applications, design BAL/DAL layers, apply OOP and design patterns, perform SQL Server development and tuning, participate in design/architecture reviews, and work in Agile teams using CI/CD tools (Jira, Jenkins). Financial services/trading experience and MongoDB knowledge are desirable.

Full‑time Java UI / full‑stack developer role building Java/JEE and JavaScript (AngularJS or React) user interfaces and services. Work in Agile/XP teams using pair programming and TDD, with tools like Spring, MongoDB, Jenkins, Docker, Node.js, and IntelliJ/GitHub.

Lead cloud architecture for AWS and Azure: assess existing implementations, recommend target architectures, drive adoption strategy with executive stakeholders, and provision native cloud services. Provide expert guidance on AWS/Azure services and governance.

Develop and maintain AngularJS single-page applications with Java/J2EE backend. Work with Spring, Hibernate, RESTful web services, and WebLogic. Use HTML5, CSS3, JSON, and advanced JavaScript. Participate in design and architecture reviews, follow SDLC processes, and collaborate within a global delivery team.

Lead Azure architecture and consulting engagements: design, deploy, and migrate workloads to Azure IaaS/PaaS; run PoCs; advise customers on migration roadmaps; collaborate with customer teams; provide technical presentations and solutions.

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.

Design, develop and implement Salesforce solutions using Apex, Visualforce, triggers, controllers and integrations. Build SOAP/REST web services, CPQ customizations, deploy via Metadata API/ChangeSets/Ant, configure reports/dashboards/workflows, and support SSO and platform best practices. Collaborate in a global delivery team and migrate customizations from sandbox to production.

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.

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.