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Contract Java Microservices Jobs in Illinois (NOW HIRING)

Sr Java Developer

Chicago, IL · On-site

$59 - $75.25/hr

Contract - (W2, 1099)/Full Time Job Overview: We are seeking experienced Sr Java Developer with ... MVC, Microservices, Event-driven systems. CI/CD Tools: Jenkins, Azure DevOps. Messaging/Streaming:

Java Developer Duration: 3-6Months Contract Location: Hoffman Estates, IL Key Focus â Java 8, Spring Framework, Spring Boot, Hibernate and Web Services / Microservices. Job Title: Java API Developer ...

Sr. Backend Java Developer

Chicago, IL · On-site

$124K - $161K/yr

... Year Contract role in Chicago Downtown, Immediate Start! Client - Direct Client (Fortune 100 ... Application architectural patterns such as MVC, Microservices, Event Driven. * TDD and BDD ...

Sr. Backend Java Developer

Chicago, IL · On-site

$124K - $161K/yr

... Year Contract role in Chicago Downtown, Immediate Start! Client - Direct Client (Fortune 100 ... Application architectural patterns such as MVC, Microservices, Event Driven. * TDD and BDD ...

Showing results 21-40

Contract Java Microservices information

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Infographic showing various Contract Java Microservices job openings in Illinois as of August 2026, with employment types broken down into 100% Contract. Highlights an 100% In-person job distribution.

Sr Java Developer

Infodyne Solutions

Chicago, IL • On-site

$59 - $75.25/hr

Other

Posted 22 days ago


Job description

Job Details:

Position: Sr Java Developer Location: Chicago, IL (Hybrid - 2 3 days/week) Type: Contract - (W2, 1099)/Full Time

Job Overview:
We are seeking experienced Sr Java Developer with strong expertise in AWS cloud technologies to join our engineering team. These roles report to the Software Engineering Manager and involve contributing to new program development and maintaining existing mobile, web, cloud, and server systems. Candidates must be comfortable working in a collaborative Agile environment and capable of handling complex programming assignments independently.

Required Qualifications:
Java Development: 10+ years designing and developing software applications in Java.
AWS Expertise (3+ years): CloudFormation templates, ECS clusters, Lambda, Fargate, ElasticSearch, S3, IAM roles/policies.
Cloud Technologies: AWS, Azure, or Google Cloud Platform designing, deploying, and maintaining applications at scale.
Databases: Relational (MySQL, Oracle) and NoSQL (DynamoDB, MongoDB, Cassandra, Redis, ElasticSearch).
Architectural Patterns: MVC, Microservices, Event-driven systems.
CI/CD Tools: Jenkins, Azure DevOps.
Messaging/Streaming: AWS SQS, SNS, Kinesis.
API Development: RESTful APIs, Swagger, Postman, Assertible.
Testing: TDD/BDD, Selenium, Cucumber, CI/CD pipeline integration.
Strong knowledge of data structures and algorithms.