Top Java Developer Jobs in Chicago, IL

As a Senior Software Engineer on the Bank Payments team, you will lead technical projects, mentor engineers, and develop scalable Java-based web services while driving innovation in North America's core banking payment systems.

Build and maintain backend pricing services that compute merchant charges, deliver contractually accurate, performant pricing data, and ship features rapidly. Collaborate across teams to improve platform scalability, robustness, and product alignment while working in an office-first, cross-functional engineering environment.

Design, develop, test, deploy, and support Java web and client-server applications. Collaborate with business analysts and teams to estimate work, produce technical design and unit tests, conduct code reviews, resolve defects, and deploy integration artifacts to test and production environments. Follow SDLC best practices and document development and test plans.

Design, develop, and deploy Java/J2EE applications and modules; participate in system design, document requirements, and troubleshoot production issues.

Design, develop, and deploy Java applications. Participate in system design, code reviews, and troubleshoot production issues while using best coding practices.

Lead a team of developers to deliver cloud-based solutions, solve complex business problems, and mentor junior engineers while staying current with technology trends.

The Java Developer/Tester will work on automation testing, develop software solutions, and manage multiple product delivery cycles while using Java and associated technologies.

Lead full-stack engineering team to design, architect, deploy, and support cloud-native microservices and user experiences. Drive use of emerging Generative AI (LLMs, RAG, vector DBs), mentor engineers, collaborate with product, and deliver scalable AWS-based solutions.

Lead and architect full-stack cloud services and user experiences for credit card acquisition, mentor engineers, own deployments, and apply emerging AI/LLM technologies to drive product and engineering improvements.

As a Senior Software Engineer, you'll design and lead the card payments platform, mentor team members, and drive technical projects, ensuring scalable solutions for the airline industry.

Seeking a Java Developer with 5+ years of experience in Java development and proficiency in RESTFUL Web Services, JBoss, AngularJS, and MS SQL.

Develop and maintain real-time, low-latency systems to monitor orders and quotes, automate compliance detection and regulatory reporting, troubleshoot production issues, and document architectures and processes to support audits and regulatory reviews.

Looking for a Java Lead with 7+ years of experience in Java/J2EE development. Must have strong knowledge in Core Java, Spring Framework, and message systems and ability to solve technical issues.

Seeking a Java Developer to create and support enterprise-grade applications. Responsibilities include coding, testing, and documentation while adhering to specifications.

Lead the development of an AI-powered AML platform, guiding a team in best practices, architecture, and delivering high-quality software solutions using Java and React.

Design, build, and maintain efficient, reusable Java backend systems; translate business requirements into applications; optimize performance and stability; review and test code for quality and security; identify and fix bottlenecks and bugs; maintain code quality and system responsiveness.

Build and scale Buyercloud ad-serving systems that process billions of auctions daily. Design data- and model-driven features, optimize performance and cost, extend observability, participate in on-call rotations, produce documentation and playbooks, and support production incidents.

As a Senior Lead Software Engineer, you'll lead multiple technology projects, collaborate on cloud-based solutions, and drive technical modernization in a financial setting.

The Java Developer will enhance data utilization for a state-run project, developing and integrating Java web applications using the Java Server Faces Framework and working with SQL databases.

Develop and maintain high-performance Java applications, work on web and mobile applications, and collaborate in Agile/Scrum teams.

Lead and mentor a team building cloud-native, low-latency microservices and full-stack systems using Java/Go/AWS/Angular. Drive technical modernization, collaborate with product managers, ensure regulatory compliance, and occasionally code or evaluate implementations.

Lead architecture and implementation of device provisioning and lifecycle management services on GCP. Own APIs, scale Postgres/AlloyDB databases, integrate AI/LLM workflows (Anthropic Claude) for automation, mentor engineers, improve pipelines and tooling, and ensure high-availability, fault-tolerant designs.

Design, develop, test, and deploy full-stack Java applications (backend Java/Spring Boot, frontend React/Angular, PostgreSQL). Lead architecture decisions, mentor developers, perform code reviews, troubleshoot issues, implement testing strategies (JUnit, Cypress, Playwright), collaborate with product/QA/DevOps in Agile, and support VA mission-critical initiatives while meeting security and clearance requirements.

Java Developer role in Chicago requiring expertise in Java 8, Spring and Spring Boot, Oracle/PL/SQL, and Test-Driven Development. Build, test, and maintain backend services, collaborate with team members, and ensure code quality through TDD practices.

Develop and support enterprise J2EE applications using Java, Oracle DB and MVC frameworks on JBoss. Lead SVN/SCM migrations across Dev/QA/UAT, write SQL, and rapidly learn product configurability to implement solutions.