Top Tech Jobs & Startup Jobs in Chicago, IL

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.

Design and build .NET middleware components and services (WCF/WebAPI/REST/SOAP), implement multithreaded high-performance applications, create business and data access layers, tune SQL Server, participate in design/architecture reviews, and support Agile CI/CD processes using Jira and Jenkins. Collaborate across global teams; financial services experience preferred.

Design, develop and maintain Java/Spring applications; translate functional and non-functional requirements into system requirements; participate in SDLC, code and design reviews; provide production support and performance engineering; decompose complex designs into phased approaches; collaborate with global delivery teams.

Develop and maintain Core Java/Spring applications using TDD; re-engineer applications to add unit and functional tests; write Unix/Python/Perl scripts; work with batch schedulers and Oracle (queries/stored procedures); perform design and architecture reviews, peer code reviews, and support multiple applications in a global delivery, investment-banking environment.

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.

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.

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.

Design, build and maintain middleware components and services in .NET (C#) using WCF/WebAPI, Entity Framework and LINQ. Create multithreaded, high-performance applications, abstract business and data access layers, tune SQL Server, conduct design and architecture reviews, and support Agile and CI/CD processes while collaborating with global teams. Financial services/trading experience preferred.

Design, build, and optimize .NET middleware components and services (C#, Entity Framework, LINQ, WCF/WebAPI). Develop multithreaded, high-performance business and data access layers, perform SQL Server development and tuning, lead design and architecture reviews, and follow Agile and CI/CD practices (Jira, Jenkins). Work in a global delivery environment; finance experience preferred.

Design and implement enterprise integrations using Apache Camel and ESB platforms. Develop RESTful APIs, use IBM MQ for messaging, apply fault/compensation handling and transactional boundaries, work with containers (Tomcat, Fuse, EAP, WebSphere), CI with Gradle and TeamCity, practice TDD, perform code/design reviews, and translate functional requirements into system requirements across the SDLC.