Create an IAM role in the central logging account that has write access to the S3 bucket. Create a trust policy that allows AWS Lambda functions in accounts within the organization to assume the IAM role.

Create an IAM user in the central logging account that has full access to the S3 bucket. Create an S3 bucket policy that allows the IAM user to write to the S3 bucket. Use the IAM user access key and secret key credentials as environment variables.

Create an S3 bucket policy for the S3 bucket in the central logging account. Configure the bucket policy to allow full access for AWS Lambda.

Create an IAM user for each developer in the central logging account. Create an S3 bucket policy for the S3 bucket in the central logging account that allows full access for each IAM user.