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3Core Systems

Chicago / Global

IT Software Engineer 5 / Java Backend Developer

Job Description

Role: IT Software Engineer 5 / Java Backend Developer Location: Chicago, IL / 100% remote, but travel will be required as needed. Duration: 12-month contract /full-time

90-100% backend development, and drives AWS cloud adoption and modernization initiatives.

Automotive background, Java background, Lucid background, or OpenSearch.

NOTE: No full-stack roles with heavy front-end; Angular/React/TypeScript;

Position’s Contributions to Work Group:

Provides technical leadership and delivery ownership for a team of software engineers building and operating scalable cloud-native applications on AWS.

Drives architecture decisions, engineering best practices, and solution design across Spring Boot microservices, OpenSearch platforms, CI/CD, observability and AWS infrastructure.

Collaborates with product, architecture, and platform teams to deliver secure, resilient, and high-performing solutions while mentoring engineers, improving development processes, and ensuring successful execution of business objectives.

Typical task breakdown:

Leads software engineers in delivering business-critical applications.

Establishes technical direction and architectural standards.

Drives AWS cloud adoption and modernization initiatives.

Ensures solution scalability, performance, security, and reliability.

Promotes DevOps, CI/CD, automation, and AI-assisted development practices.

Supports incident resolution, operational excellence, and continuous improvement.

Interaction with team:

Mentors engineers and develops technical talent.

Partners with Product Owners, Architects, and stakeholders to align technology investments with business goals.

Required Technical Skills

Java (latest would be ideal) , Spring Boot, Microservices, REST APIs, AWS (ECS/Fargate, IAM, ALB, RDS, CloudWatch, Secrets Manager), OpenSearch/Elasticsearch, Docker, CI/CD, GitHub, Distributed Systems, Cloud Architecture, Observability, DevOps, Infrastructure as Code, SQL/NoSQL databases, Event-Driven Architecture, API Integration, Performance Optimization, and AI-assisted Development Tools.

Soft Skills

Strong technical leadership, communication, stakeholder management, mentoring and coaching, collaboration, problem-solving, critical thinking, decision-making, ownership, conflict resolution, adaptability, and the ability to influence cross-functional teams while driving successful delivery of complex cloud-native solutions.

Skill set 90-100% backend development, and drives AWS cloud adoption and modernization initiatives.Automotive background, Java background, Lucid background, or OpenSearch.

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