Top Tech Jobs & Startup Jobs in Chicago, IL

Design, develop, and maintain web applications and RESTful APIs using Java/Spring Boot. Develop and maintain PL/SQL stored procedures and Oracle database logic. Participate across the SDLC, troubleshoot backend and database issues, collaborate with cross-functional teams, and improve development processes and tooling.

Design and deliver end-to-end fullstack solutions using React and Java Spring Boot. Lead developers, define scalable microservices, integrate databases and messaging, ensure security, CI/CD, and cloud containerization, and drive technical strategy and stakeholder collaboration.

Design, build, and optimize Angular 16+ web applications; integrate RESTful APIs; implement UI components and state management (NgRx); ensure responsive, cross-browser compatible interfaces; write testable code, perform code reviews, debug, and collaborate with backend teams.

Design, develop, optimize, and deploy high-performance data processing applications using Scala and Apache Spark on Cloudera CDH. Build and tune ETL pipelines integrating HDFS, Hive, Impala, HBase, and Kafka. Ensure data integrity and security, troubleshoot performance, collaborate with data scientists and analysts, and implement version control and CI/CD.

Lead migration and modernization of a legacy Spring MVC app to Spring Boot 3.3 on JDK 17, migrate caching to Redis, and containerize on OpenShift. Provide architectural guidance, performance tuning, CI/CD integration, documentation, and mentor the development team while collaborating with OpenShift architects.

Lead QA for API testing: design and execute RESTful API test cases (payment initiation/status), develop and maintain Pytest automation in Python, use Postman and Git, integrate tests into CI/CD, document results, identify and track defects, and collaborate with development and product teams to resolve issues.

Serve as Product Owner for fintech and digital products: groom backlog, write features/EPICs, create business cases and roadmaps, collaborate with distributed engineering and program teams, lead UAT and post-production verification, drive product development and adoption, and manage stakeholder reporting and continuous enhancements.

Lead design and implementation of scalable full-stack web applications using Vue.js front-end and .NET back-end. Provide architecture, hands-on development, mentorship, CI/CD and testing, collaborate with product and UX, optimize databases and ensure performance, security, and maintainability.

Design, implement, and automate scalable, secure GCP infrastructure using IaC (Terraform/Deployment Manager). Build and maintain CI/CD pipelines (Cloud Build/Jenkins), monitor and manage incidents with Dynatrace/Stackdriver, enforce security and compliance, support development teams, optimize cloud costs, and create automation scripts (Python/Bash).

Design, build, and maintain high-performance native iOS applications. Collaborate with cross-functional teams to define and ship features, ensure app performance and responsiveness, fix bugs, integrate RESTful APIs and third-party libraries, participate in code reviews, and evaluate new technologies to improve development efficiency.