Software Engineer Level 4 (Java Backend Developer

· Minimum 8+ years in Java

· At least 1+ year in AWS

Core Skills:

· Backend development (strong emphasis)

· Java (latest versions preferred; Java 21 acceptable, Java 25 ideal)

· AWS services (extensively used)

Testing Tools:

· Preferred: Cucumber, Selenium

· Performance Testing: JMeter

· Postman not preferred (team uses alternative tools)

Education & Experience Required:

• Bachelor's degree in Computer science or Electrical engineering or related field, Plus 8+ years exp
• Master Degree plus 6+ years exp. Technical Skills:

· 8+ years or more of software development experience or at least 6 years of experience with master's degree in computer science or related field.

· 8+ years or more of experience in designing and developing software applications in Java or at least 6 years of experience in Java with master's degree in computer science or related field.

· At least 3 years of experience developing in AWS: cloud formation templates, deploying ECS clusters, Lambda, Fargate, Amazon Elastic Search, S3. Strong understanding of IAM roles and policies.

· Proven experience in following,

· Designing, developing, deploying and maintaining software at scale. 3 years of experience building and developing with Cloud Technologies (such as AWS, Azure, Google Cloud Platform)

· Developing software applications using relational and Nosql databases.

· Application architectural patterns, such as MVC, Microservices, Event-driven, etc.

· Deploying software using CI/CD tools such as Jenkins, Azure Devops etc.

· Deploying and maintaining software using public clouds such as AWS or Azure.

· Working within an Agile framework (ideally Scrum)

· Strong understanding and/or experience in some of the following,

· Batch or stream processing systems such as AWS SQS, AWS SNS, Kinesis.

· Experience designing well-defined Restful APIs

· Hands on experience with API tools such as Swagger, Postman and Assertible

· Test driven development and behavior driven development.

· Hands on experience with testing tools such as Selenium and Cucumber and their integration into CI/CD pipelines.

· Datastores such as DynamoDB, MongoDB, Cassandra, Redis, Elasticsearch, MySQL, Oracle.

· Must demonstrate solid knowledge of computer science fundamentals like data structures and algorithms.

Soft Skills (Required):

· Ability to work under pressure and within time constraints.

· Passion for technology and an eagerness to contribute to a team-oriented environment.

3Core Systems, Inc is an SAP and Success Factors Partner with employees located across the United States. Our organization is dedicated to customer and employee satisfaction. We provide High Quality, Cost efficient and Competitive Solutions and Resources., 3Core Systems is looking for Software Engineer Level 4 (Java Backend Developer) for one of our clients in Chicago, IL OR Peoria, IL (Hybrid) with Java backend, AWS