About Me

I provide design and solutions for

  • Microservices architecture
  • Web and Web3 Dapps Development
  • Design and review of Java code and Systems architecture
  • IT Career Counselling

Web3 Development

    Develop smart contract using Etherium network and integrating to build a Dapp using HTML
  • Develop smart contract for auction
  • Test Smart contract locally using Gnache and Hardhat
  • Develop a front end using ReactJS
  • Integrate Front end with Metamask for sending transaction to Ethereum network

Solutions Architect, SI Rearchitecture

    Design and reengineered an existing .Net monolith web application to Microservices architecture
  • Solution the migration of current monolith application to a cloud native microservices architecture
  • Worked with business and domain architect to decompose business capabilities to discrete microservices applying DDD
  • Design API and Microservices, implemented on Spring boot, Kafka, API Gateway, Discovery server, MongoDB
  • Design solution for reverse migration from MongoDB to MS SQL using Mongo Kafka CDC connector
  • Ensure quality metrics are met by automated static code analysis gates in CI/CD pipeline and code review gates during merge
  • Automated the CI/CD pipeline using Jenkins and Ansible, enable blue green deployments
  • Implemented the distributed applications observability using ELK stack

Technology Architect, EOn Meter Migration Monitor

    Worked with E.ON as a Technical Architect for designing and implementing a migration monitor while migration
  • Designed migration monitoring solution based on Apache Kafka and Confluent Kafka
  • Implemented solution as cloud native application with Docker and Openshift
  • Delivered solution based on Java functional programming using Spring Cloud Stream and Spring boot
  • Implemented CDC solution using Logminer, Streamsets, Confluent Kafka, Oracle Database

Detailed resume here

See my Resume J S Mammen