AWS Serverless Auditor - Cloud Expert

Obsidian; San Francisco (CA); On-site; USD 120,000 - 180,000; Full time

Job summary

Obsidian seeks an evaluator to review the quality, correctness, and cloud-architecture soundness of AWS serverless and infrastructure-as-code tasks used to train and evaluate a frontier AI lab's models. You will assess multi-service serverless designs, IaC fidelity, and cross-service integration correctness, delivering rubric-based written feedback.

The role requires hands-on experience with AWS serverless stacks and IaC tooling, plus the ability to articulate clear improvement paths and

Qualifications

• 3+ years building multi-service AWS serverless applications.
• Experience with infrastructure-as-code (CDK, CloudFormation, or SAM).
• Ability to assess event-driven architecture correctness, IAM/permission boundaries, and failure/retry semantics.
• Familiarity with LocalStack vs real AWS behavior.

Responsibilities

• Assess multi-service AWS serverless designs for correctness and efficiency.
• Evaluate IaC fidelity and cross-service integration.
• Provide rubric-based written feedback with actionable recommendations.

Skills

AWS serverless

Event-driven architectures

IAM/permissions review

Tools

AWS CDK

CloudFormation

SAM

Job description

Evaluate the quality, correctness, and cloud-architecture soundness of AWS serverless and infrastructure-as-code tasks used to train and evaluate a frontier AI lab's models. You'll assess multi-service serverless designs, IaC fidelity, and cross-service integration correctness — and provide clear, rubric-based written feedback.

Basic Qualifications

• 3+ years hands-on experience building multi-service AWS serverless applications (Lambda, API Gateway, DynamoDB/Streams, S3, EventBridge, SNS/SQS, Step Functions)
• Strong experience with infrastructure-as-code (AWS CDK, CloudFormation, or SAM)
• Demonstrated ability to assess event-driven architecture correctness, IAM/permission boundaries, and failure/retry semantics
• Familiarity with local emulation/testing fidelity (e.g., LocalStack) versus real AWS behavior

Preferred Qualifications

• AWS certifications (Solutions Architect / Developer)
• Experience with observability and cost-optimization for serverless workloads
• Prior code-review or task-grading experience