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Sr Backend Engineer (AWS Lambda / Serverless)

United States, Irvine 80.00 USD / Hour · Job Posted June 15, 2026
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Job Description

We are seeking a Senior Backend Engineer with strong expertise in AWS serverless technologies to support a large-scale platform modernization initiative. This role will focus on building, deploying, and supporting scalable backend services using AWS Lambda and related cloud technologies. The ideal candidate is a hands-on engineer who can work independently, troubleshoot complex issues, and deliver solutions in a fast-paced environment.

Job Responsibility

  • Design, develop, and support serverless backend solutions using AWS Lambda
  • Build and maintain event-driven workflows leveraging AWS services
  • Develop scalable Python-based backend services
  • Implement monitoring, logging, and troubleshooting solutions using CloudWatch
  • Manage integrations involving S3, SQS, and related AWS services
  • Support deployments and operational activities across multiple environments
  • Collaborate with technical and business stakeholders to deliver modernization initiatives
  • Troubleshoot production issues and drive timely resolution

Requirements

  • Strong hands-on experience with AWS Lambda development, deployment, and troubleshooting
  • Experience building event-driven architectures using AWS services
  • Expertise with AWS S3, SQS, IAM, and CloudWatch
  • Strong Python development experience
  • Experience building scalable serverless applications and workflows
  • Experience with file-based or batch-processing systems
  • Experience supporting applications across Dev, Test, and Production environments
  • Strong troubleshooting and debugging skills
  • Ability to work independently and drive solutions from design through production support

Nice to have

  • AWS CDK or CloudFormation (Infrastructure as Code)
  • API Gateway and REST API development
  • Experience with document processing or communication platforms
  • Experience with Kinesis and/or SES
  • Experience supporting data migration or platform modernization initiatives

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