Job Title: IT
Software Engineer 5 (Java Lead Engineer)
Location: Chicago,
IL 60661 (Hybrid work model (2x a week) currently; eventually this could
change to more days in office if needed)
Duration: 12
months contract
Interview
Process: Via Teams with Video ON (3 sets of technical interviews, including
1 coding interview, 1 Architecture interview and 1 team interview (behavioral);
3 separate interviews.) FINAL ROUND WILL BE IN OFFICE.
As a Java Lead
Engineer, you will play a key role in the design, development, and deployment
of client's enterprise digital platforms. This position requires a hands-on
technical leader who can drive backend application development, mentor
engineering teams, and deliver scalable, highly available cloud-based solutions
while collaborating with global stakeholders.
Key Responsibilities:
• Lead the design, development, testing, and
deployment of Java-based enterprise applications.
• Provide technical leadership and mentorship to
development teams, including geographically distributed teams.
• Design and develop RESTful APIs and backend
services using Java 17.
• Build and support cloud-native solutions
leveraging AWS services such as IAM, Kinesis, DynamoDB, SQS, SNS, KMS, and API
Gateway.
• Troubleshoot and resolve complex application and
infrastructure issues.
• Participate in architecture discussions and
contribute to technical solution design.
• Drive software quality through code reviews,
best practices, and development standards.
• Collaborate with business stakeholders, product
teams, and end users to gather requirements and deliver solutions.
• Lead integration testing, customer acceptance
testing, and production deployments.
• Support DevOps practices, CI/CD pipelines, and
operational excellence initiatives.
• Mentor junior engineers and promote continuous
improvement across the team.
Required
Qualifications:
• Bachelor's degree or higher in Computer Science,
Electrical Engineering, or a related field.
• 10+ years of experience in Java application
design and development.
• 3+ years of experience leading geographically
distributed development teams.
• Strong expertise in Java 17 and backend
application development.
• Experience developing RESTful web services and
microservices architectures.
• Hands-on experience with AWS cloud services,
including:
o IAM
o Kinesis
o DynamoDB
o API Gateway
o SQS
o SNS
o KMS
• Strong SQL and database development skills.
• Experience with DevOps practices and CI/CD
pipelines.
• Understanding of scalable, highly available, and
reliable system design.
• Exposure to application architecture and
solution design.
Preferred
Skills:
• Experience with enterprise-scale distributed systems.
• Knowledge of cloud-native application
development patterns.
• Experience working in Agile/Scrum environments.
• Familiarity with monitoring, observability, and
performance optimization.
Required
Soft Skills:
• Strong leadership and mentoring capabilities.
• Excellent communication and stakeholder
management skills.
• Ability to work independently with minimal
supervision.
• Strong problem-solving and analytical skills.
• Ability to perform effectively under pressure
and tight deadlines.
• Passion for technology and continuous learning.
• Collaborative mindset with the ability to work
across cross-functional teams.
Skills Required
- Bachelor's degree or higher in Computer Science, Electrical Engineering, or a related field
- 10+ years of experience in Java application design and development
- 3+ years of experience leading geographically distributed development teams
- Strong expertise in Java 17 and backend application development
- Experience developing RESTful web services and microservices architectures
- Hands-on experience with AWS IAM, Kinesis, DynamoDB, API Gateway, SQS, SNS, and KMS
- Strong SQL and database development skills
- Experience with DevOps practices and CI/CD pipelines
- Understanding of scalable, highly available, and reliable system design
- Exposure to application architecture and solution design
- Experience with enterprise-scale distributed systems
- Knowledge of cloud-native application development patterns
- Experience working in Agile/Scrum environments
- Familiarity with monitoring, observability, and performance optimization
- Strong leadership and mentoring capabilities
- Excellent communication and stakeholder management skills
- Ability to work independently with minimal supervision
- Strong problem-solving and analytical skills
- Ability to perform effectively under pressure and tight deadlines
- Collaborative mindset and ability to work across cross-functional teams
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.









