DevOps, Cloud Solutions, Programming.
35 Years experience:
C, C++, Javascript, NodeJS, PHP, Python, SQL/NoSQL, TypeScript.
Laravel / CodeIgniter / Slim / Express.js
AWS (API Gateway, Lambda, CloudFront, CloudWatch, DataSync, DynamoDB, EC2, EFS, Lambda, S3, SES, SNS, SQS).
PayPal, Stripe payment processors.
Yes, I know COBOL. No, you do not need a Blockchain solution.