Sure i can work on using AWS Lambda and serverless framework i have been working with AWS suite of products such as S3, route53, cloudfront, ELB, EC2, Opswork, Machine learning, Recokgnition etc for long time now I can build the application for you using angular on the client side deploy to s3 cloudfront and use nodejs for Lambda serverless backend and use mongodb cloud for backend, please google clofus to know more about my works and msg me looking forward thanks