Services I offer:

Planning the application architecture

Building Design Systems and working with existing ones

Implement new features on existing application

Microservices architecture design

Application scaling strategies

Security Enhancements and vulnerability detection

Application Migration to latest framework and technologies

Performance analysis and improvements

Deployment strategies that helps customers and operators get a seamless experience and lower downtime

Code cleanup and re-design for lower product maintenance cost (time and money)

And yes, Bug fixes

Connectivity: Rest API, gRPC, GraphQL, Websockets, Rsockets. Data: MySQL, Postgres, Cassandra, MongoDB, Elastic Search, Redis, DynamoDB, Firebase Deployment: AWS, Azure, PCF, GCP and On-prem.