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3Core Systems , Inc

IT Software Engineer 5 / Lead Java Backend Developer

3Core Systems , Inc Chicago, Illinois, United States

Software Development · 51-200 employees

Yesterday
Remote java Principal (10+ yrs) Contractor United States
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About the role

Provides technical leadership and delivery ownership for a team of software engineers building scalable cloud-native applications on AWS. Drives architecture decisions, engineering best practices, and solution design while mentoring team members to ensure successful business outcomes.

What they look for

Java Spring Boot Microservices AWS Cloud Architecture OpenSearch Docker CI/CD GitHub Distributed Systems Observability DevOps Infrastructure as Code SQL NoSQL API Integration

Requirements

Requires a bachelor's degree and over 10 years of experience, including at least 5 years in a lead role. Candidates must possess deep expertise in Java, Spring Boot, AWS cloud infrastructure, and modern DevOps practices.

Full description

Job Title: IT Software Engineer 5 / Lead Java Backend Developer

Location: Chicago, IL preferred but the role can be 100% remote but there will be travel involved when needed.

Duration: 12 months contract.

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 develop technical talent.

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

Education & Experience Required:

· Bachelor’s degree is a must.

· 10+ years’ experience in this capacity with 5+ years in a lead role.

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.

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