Sr. Java Developer (AWS Lambda/Microservices)

ZipStaff Inc.; Chapel Hill (NC); Remote; USD 120,000 - 160,000; Full time

Benefits offered by this job

Health Insurance

Dental Insurance

Vision Insurance

401(k) + 401(k) matching

Paid time off

Referral Program

Job summary

ZipStaff Inc. is seeking a Sr. Java Developer to design and enhance cloud-native applications using Java and AWS.

You will build scalable microservices and serverless workflows with AWS Lambda, collaborating with cross-functional teams in an Agile, fully remote contract role lasting ~5 months. You will design, develop, and maintain services, participate in the full SDLC, contribute to architecture decisions, and ensure quality through code reviews and robust testing.

Qualifications

• Senior-level experience developing Java applications.
• Hands-on with AWS Lambda and serverless.
• Experience designing and building microservices.
• Experience with CI/CD pipelines and Agile delivery.
• Strong troubleshooting, debugging and code-review skills.
• Excellent communication and collaboration abilities.
• Must be based in the United States.

Responsibilities

• Design, develop and maintain microservices-based applications using Java.
• Implement serverless functions and workflows with AWS Lambda and related services.
• Participate in the full SDLC: requirements, design, coding, testing and deployment.
• Write clean, well-documented code following standards.
• Collaborate with DevOps on CI/CD pipeline integration and deployment.
• Troubleshoot, debug and resolve production issues promptly.
• Engage in peer code reviews and provide constructive feedback.
• Contribute to architectural decisions and provide technical guidance.
• Improve reliability, scalability and maintainability through refactoring.

Skills

Java development

AWS Lambda

Microservices

CI/CD

Agile

Debugging

Code reviews

Communication

Remote collaboration

Tools

Spring Boot

REST APIs

AWS services

CloudFormation

CDK

Terraform

DynamoDB

S3

SQS/SNS

Step Functions

Job description

Job Title: Sr. Java Developer (AWS Lambda / Microservices)

Location: Chapel Hill, NC (Remote)

Employment Type: W2 Contract

About the Opportunity:

ZipStaff is hiring a Sr. Java Developer for our client, a global IT services and consulting organization, to design and enhance cloud-native applications using Java and AWS. You will build scalable microservices and serverless workflows with AWS Lambda, working with cross-functional and DevOps teams in an Agile environment. This is an approximately 5-month, fully remote contract role.

What You'll Do:

• Design, develop and maintain microservices-based applications primarily using Java.
• Implement serverless functions and workflows using AWS Lambda and related AWS services.
• Participate in the full SDLC, including requirements analysis, design, coding, testing and deployment.
• Write clean, efficient and well-documented code that follows coding standards.
• Collaborate with DevOps teams on CI/CD pipeline integration and deployment.
• Troubleshoot, debug and resolve production issues promptly.
• Engage in peer code reviews and provide constructive feedback.
• Contribute to architectural decisions and provide technical guidance.
• Improve system reliability, scalability and maintainability through refactoring.

Required Qualifications:

• Senior-level professional experience developing applications in Java.
• Hands-on experience with AWS Lambda and serverless architecture.
• Proven experience designing and building microservices.
• Experience with CI/CD pipelines and Agile delivery.
• Strong troubleshooting, debugging and code review skills.
• Strong communication and collaboration skills.
• Must be based in the United States.

Preferred Qualifications:

• Experience with Spring Boot and REST APIs.
• Experience with other AWS services such as API Gateway, DynamoDB, S3, SQS/SNS and Step Functions.
• Infrastructure-as-code experience (CloudFormation, CDK or Terraform).
• AWS certification.

Benefits:

• Health Insurance.
• Dental Insurance.
• Vision Insurance.
• 401(k) + 401(k) matching.
• Paid time off.
• Referral Program.

About ZipStaff:

ZipStaff connects skilled technology professionals with leading organizations across the United States, matching top talent with impactful contract and full-time opportunities.