Senior Java Backend Engineer | Spring Boot & AWS

Eleks; United States; On-site; USD 120,000 - 180,000; Full time

Job summary

ELEKS is seeking a Senior Java Developer in Chicago, IL to design, develop, and deliver enterprise Java applications. You will work on backend systems using Java 17+, Spring Boot, and a microservices architecture, leveraging AWS services and modern DevOps practices.

You will mentor peers, lead complex projects, and drive scalable, fault-tolerant solutions in a collaborative team environment. The role emphasizes delivering high-quality software, participating in architecture decisions, and

Qualifications

• 8+ years designing and developing enterprise Java applications (5+ years with a Master’s degree)
• Strong Java 17+ backend development skills
• Experience with relational and NoSQL databases
• Hands-on Spring Boot and Spring ecosystem
• RESTful API design and testing with Swagger/Postman/Assertible
• AWS services expertise (IAM, API Gateway, Aurora, RDS, DynamoDB, etc.)
• Messaging and event streaming (Kinesis, SQS/SNS, Kafka)
• CI/CD and DevOps practices with Jenkins
• Ability to deliver scalable, fault-tolerant backend systems

Responsibilities

• Perform complex programming and development tasks with minimal supervision
• Lead development and support teams, providing technical guidance
• Tackle complex system problems and provide timely resolutions
• Develop and maintain scalable backend software
• Ensure high quality through best practices and coding standards
• Mentor junior developers and promote team growth
• Collaborate with users and stakeholders to refine requirements
• Lead cross-functional initiatives and deliver business-value features
• Contribute to architecture decisions and design evaluations
• Support deployment and integration testing activities
• Align solutions with enterprise standards and reuse goals
• Take on additional duties as assigned by management

Skills

Java backend

Spring Boot

REST APIs

AWS services

Microservices

CI/CD pipelines

DevOps practices

Message streaming

Architectural patterns

Education

Bachelor's degree in CS/EE

Master's degree in CS

Tools

OpenAPI/Swagger

Postman

Assertible

Jenkins

Job description

ELEKS is seeking a Senior Java Developer in Chicago, IL to design, develop, and deliver enterprise Java applications. You will work on backend systems using Java 17+, Spring Boot, and a microservices architecture, leveraging AWS services and modern DevOps practices.

You will mentor peers, lead complex projects, and drive scalable, fault-tolerant solutions in a collaborative team environment. The role emphasizes delivering high-quality software, participating in architecture decisions, and