Senior Java Developer

Senior Java Backend Developer – Hybrid (Chicago, IL / Peoria, IL)
Duration: 12 Months Contract
Location: Hybrid – Chicago, IL or Peoria, IL (2–3 days onsite/week)

We are seeking a Senior Java Backend Developer with strong hands-on coding expertise to build and maintain scalable backend APIs and cloud-based applications. This role requires deep experience in Java development, AWS services, microservices architecture, and Agile delivery environments.

Required Qualifications

• Bachelor’s degree with 8+ years of Java development experience OR Master’s degree with 6+ years of experience
• Strong hands-on backend development experience using Java (Java 17+ preferred)
• Minimum 1+ year of AWS experience including ECS, Lambda, Fargate, S3, IAM, CloudFormation, Elasticsearch
• Experience building RESTful APIs and microservices architectures
• Strong experience with relational and NoSQL databases (MySQL, Oracle, DynamoDB, MongoDB, Cassandra, Redis, Elasticsearch)
• Experience with CI/CD tools such as Jenkins or Azure DevOps
• Hands-on experience with Selenium or Cucumber for testing and automation
• Experience with AWS messaging/streaming services such as SQS, SNS, or Kinesis
• Strong understanding of data structures, algorithms, and software engineering best practices

Responsibilities

• Design, develop, test, and maintain scalable backend services and APIs
• Participate in Agile Scrum ceremonies including standups, sprint planning, retrospectives, and demos
• Develop and deploy cloud-native applications using AWS services
• Troubleshoot complex technical issues and support production environments
• Collaborate with cross-functional teams to deliver high-quality software solutions
• Mentor junior team members and contribute to coding best practices