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.
Skills Required
- Bachelor's degree in computer science or a related field
- 10 or more years of Java software development experience
- 5 or more years in a technical lead or software engineering lead role
- 5 or more years developing AWS cloud-native applications
- 5 or more years working with distributed systems and event-driven microservices
- 3 or more years of DevOps and CI/CD experience using Docker and GitHub
- Spring Boot experience
- REST API development experience
- OpenSearch or Elasticsearch experience
- Experience with AWS ECS/Fargate, IAM, RDS, ALB, CloudWatch, and Secrets Manager
- Experience with infrastructure as code, observability, SQL, and NoSQL databases
What We Do
Established in 2004, 3Core System is a certified small minority owned business providing ERP Systems Integration, AMS, IT Consulting and Staff Augmentation Services to Fortune 1000, SMB, and State, Local and Education (SLED) customers. While our System Integration services help organizations achieve digital and cloud transformation objectives, AMS Services help increase the availability of critical services of end user applications. On the other hand, our IT Consulting Services would provide subject matter experts to help you assist with specific project needs and the Staff Augmentation services help you balance workload and achieve budget parameters. >ERP System Integration Services: 3Core Systems is an SAP Silver Partner and authorized service provider offering technical architecture, application design and configuration, integration, testing, data migration and solution adoption services for solutions including SAP SuccessFactors, SAP HCM On-Premises and SAP Business Intelligence >Application Management Services (AMS): We offer post go-live, System Health Check and Optimization, Function Enhancements, Integration Monitoring, Release, and patch services. Our AMS services span across SAP Solutions including ERP (S/4 HANA), Financial Management, Human Capital Management, Data and Analytics, Supply Chain, CRM, and Customer Experince. >IT Consulting and Staffing Augmentation Services: Ever since its inception, 3Core Systems has been offering IT Consulting and Staff Augmentation solutions including temporary, long-term, project based and contract staffing services that could be personalized based on your needs. Our staffing services span across emerging technologies and legacy solutions including but not limited to Artificial Intelligence, Machine Learning, Data Science, Cloud, ERP, CRM, BI/BW/ETL, Database, Web & E-Commerce, UI/UX, Network & Security and Mobile.







