Top Tech Jobs & Startup Jobs in Chicago, IL

Lead front-end UI development using Angular 16+, TypeScript, HTML5, CSS3 and WebComponents. Implement CI/CD, automated testing (Mocha/Karma/Jasmine, Selenium), Git workflows, Docker, and collaborate on distributed agile teams. Ensure cross-browser compatibility, integrate with Java/Spring Boot REST services, and deliver robust solutions for large corporate environments; banking/financial experience preferred.

Lead design and development of scalable, secure Java-based enterprise applications and RESTful Spring Boot microservices. Require expertise in Core Java, multithreading, Spring/Hibernate, Oracle PL/SQL, high-availability and security. Work in Agile with global distributed teams and engage directly with business stakeholders.

Lead and manage end-to-end creative production projects, including planning, scheduling, budgeting, scope management, stakeholder communication, and post-mortem process improvements to ensure timely, on-budget delivery.

Architect and develop scalable full-stack Java applications and microservices. Provide technical leadership, design integrations, optimize performance, and collaborate with stakeholders to translate business requirements into secure, maintainable solutions.

Senior database developer responsible for Oracle PL/SQL development, writing complex SQL, maintaining logical/physical data models and DDLs, query tuning and performance optimization, ETL/data migrations, working in Unix/Linux, and participating in Agile/JIRA processes with basic API knowledge.

Senior Java Big Data Developer to design and build Big Data applications on Cloudera/Hadoop using Java and Spark/MapReduce. Work with Hive, Impala, YARN, Kafka; perform data analysis, unit testing, and scripting. Lead/manage global technology teams and follow industry practices and standards.

Develop and migrate legacy IBM DataPower MQ and SOAP integrations to cloud-native Spring Boot microservices. Build RESTful APIs, implement security (OAuth2/JWT), integrate Kafka and IBM MQ, write tests, optimize performance, and collaborate with architects, DevOps, and QA during deployment and troubleshooting.

Design, develop, test, and deploy high-performance Spark/Scala data processing applications and ETL pipelines using the Cloudera Hadoop ecosystem. Optimize Spark and platform performance, ensure data integrity and security, collaborate with data scientists and analysts, troubleshoot issues, and implement version control and CI/CD for Spark applications.

Design, develop, and maintain automated test scripts and frameworks (Serenity/Selenium) using Java and Node. Execute pipeline and API testing (Postman), analyze requirements, prepare test plans, coordinate with onshore/offshore QA and cross-functional teams, participate in Scrum, debug automation issues, and support system integration, UAT, regression, and production defect fixes.

Hands-on internship for computer science undergraduates to collect, clean, and analyze datasets, assist GenAI experiments (prompt testing, chatbot tuning), document insights, and learn from mentors using tools like Python and SQL.