Top Java Developer Jobs in Chicago, IL

Design, develop, and deliver secure, scalable Java-based applications across the SDLC. Troubleshoot complex issues, produce architecture artifacts, use AI-assisted development tools responsibly, create visualizations from large data sets, and contribute to engineering best practices and team culture.

Design, build, and operate high-throughput Java/Spring Boot backend microservices using Kafka and Kubernetes. Optimize data access across distributed and relational databases (Cassandra, CockroachDB, Oracle, PostgreSQL), produce architecture artifacts, use enterprise AI coding tools responsibly, and ensure production resilience, observability, and security.

Lead design and delivery of an AI-first developer portal and secure external API platform. Build AI-enabled support experiences, own authentication/credential workflows, establish production standards for AI/automation, remain ~50% hands-on coding, drive cross-functional delivery, and coach engineers to improve quality and reliability.

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.

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

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.

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

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.

Lead and architect production-grade trading systems for Credit Pre-Trade Technology, build AI-native platforms, develop and maintain secure scalable code, partner with trading and product teams, drive AI-assisted engineering practices, support production stability and automation, and lead technical evaluations and communities of practice.

Lead design and delivery of secure, scalable Java/Spring Boot microservices for Prime Finance and Equities Broker Dealer platforms. Build and maintain trade lifecycle, securities lending, and clearing/settlement systems; drive architecture, cloud-native modernization, CI/CD, operational stability, observability, and adoption/governance of AI-assisted engineering practices while mentoring engineers and partnering with product and operations.

Lead technical design, build, and maintain secure, scalable software; drive adoption of AI-assisted engineering, automation, CI/CD, and cloud-native practices; mentor teams, evaluate vendors and SaaS, and translate business strategy into delivery roadmaps.

Lead and deliver high-quality, secure, scalable Java-based services (Spring Boot/WebFlux); manage two scrum teams, act as hands-on tech lead (50% coding), design systems, improve operational stability, drive automation/CI-CD, evaluate vendor architectures, and lead engineering communities of practice.

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.

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

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

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.

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.

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.

Develop, test, and deploy Java application components. Create JUnit tests and component documentation, prepare test environments, run component/assembly/system tests, troubleshoot and support applications, and collaborate with users to validate test results.

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.

Lead a team to design and deliver cloud-native, full-stack microservice solutions using Go/Java and AWS. Mentor engineers, collaborate with product managers, ensure regulatory-compliant systems, and adopt modern tooling like containers and orchestration.

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 a team of developers to design, architect, and deliver scalable, secure microservices-based enterprise applications. Hands-on coding, code reviews, performance tuning, CI/CD, cloud deployments, stakeholder collaboration, and mentoring. Drive architecture, HLD/LLD, root-cause analysis, and timely delivery in Agile environments.