It is always good to work with Golang when distributed systems come into the picture.
Serverless computing offers a number of advantages over traditional cloud-based or server-centric infrastructure. For many developers, serverless architectures offer greater scalability, more flexibility, and quicker time to release, all at a reduced cost.
With serverless architectures, developers do not need to worry about purchasing, provisioning, and managing backend servers. However, serverless computing is not a magic bullet for all web application developers.
If you have created AWS Lambda function with Node.js then you have felt that the speed is relatively low compare to Golang because go can provide the blazing fast speed in execution.
There is a documentation regarding AWS Lambda and Golang in Serverless website.
AWS Lambda is finally. Compatible. With Golang. 
Best Regards,