3Core Systems, Inc
IT Services & IT Consulting
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This is a remote position.
Job Title: Lead Java Software Engineer
Location: Chicago, IL (Remote)
Duration: 12 months contract
Must Have Skills/Attributes: AWS, DevOps, GitHub, Java, Software Development.
Experience Desired:
• Java development, including modern Java versions, Spring Boot, Microservices (10+ yrs).
• AWS cloud-native applications, including ECS/Fargate, IAM, RDS, ALB, CloudWatch, and Secrets Manager (5+ yrs).
• Technical Lead or Software Engineering Lead (5+ yrs).
• Distributed Systems and Event-Driven microservices, including API integration, performance optimization (5+ yrs).
• DevOps and CI/CD practices using Docker, GitHub, observability tools (3+ yrs)
• Required Minimum Education: Bachelor’s Degree.
Job Description:
Required Education/Experience:
• Bachelor’s degree in computer science or related field.
Required Qualifications:
• 10+ years’ experience in this capacity with 5+ years in a lead role.
• 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.
Required Technical Skills:
• Spring Boot
• Java (latest versions)
• Microservices Architecture
• REST API Development
• AWS Cloud Services (ECS/Fargate, IAM, ALB, RDS, CloudWatch, Secrets Manager)
• OpenSearch / Elasticsearch
• Docker
• CI/CD Pipelines
• GitHub
• Distributed Systems
• Cloud Architecture
• Observability & Monitoring
• DevOps Practices
• Infrastructure as Code (IaC)
• SQL & NoSQL Databases
• Event-Driven Architecture
• API Integration
• Performance Optimization
Responsibilities:
• 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.
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