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Java Backend Developer

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Onsite

Java Backend Developer

Serencove LLC

Java Backend Developer

Skills

Google Cloud PlatformMongoDBJavaMicroservicesMySQLCassandraRedisJenkinsPostmanSeleniumAIAWSElasticsearchOracleAWS KinesisAzure

1 month ago

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Important information


Contract type:

Freelance / Contract

Salary:

$104,000 – $124,800 / year

Location:

Chicago, IL, USA

Work mode:

Onsite

Published on:

11 September 2026

What they need


Required Qualifications

  • Bachelor’s degree in Computer Science, Electrical Engineering, Software Engineering, or a related field with 8+ years of experience.
  • OR Master’s degree in Computer Science or a related field with 6+ years of experience.
  • 8+ years of software development experience, with strong hands-on Java development.
  • 8+ years of Java application development or 6+ years with a relevant Master’s degree.
  • Strong backend software engineering experience with limited reliance on front-end development.
  • Strong knowledge of Data Structures and Algorithms.

Required Technical SkillsJava & Backend Development

  • Strong hands-on experience with Java.
  • Designing and developing scalable enterprise software applications.
  • Strong understanding of application architecture and software design.
  • Experience with Microservices, MVC, Event-Driven Architecture, or similar patterns.
  • Experience developing RESTful APIs.

AWS / Cloud

  • At least 3 years of AWS development experience, including several of the following:
  • AWS CloudFormation
  • ECS
  • Lambda
  • Fargate
  • Amazon Elasticsearch / OpenSearch
  • S3
  • IAM roles and policies
  • Databases & Data Technologies

Experience with relational and/or NoSQL databases, such as:

  • DynamoDB
  • MongoDB
  • Cassandra
  • Redis
  • Elasticsearch
  • MySQL
  • Oracle
  • Messaging & APIs

Experience with technologies such as:

  • AWS SQS
  • AWS SNS
  • AWS Kinesis
  • RESTful API development
  • Swagger
  • Postman
  • Assertible or similar API testing tools

DevOps & Testing

  • CI/CD tools such as Jenkins or Azure DevOps
  • Software deployment and maintenance in AWS/Azure/GCP
  • Test-Driven Development (TDD)
  • Behavior-Driven Development (BDD)
  • Selenium
  • Cucumber
  • Integration of automated testing into CI/CD pipelines

Generative AI

  • GenAI experience applied to software development is required.

Pay: $50.00 - $60.00 per hour

Benefits:

  • Flexible schedule

Work Location: In person

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