SettleMint - Hyperledger Fabric Administrator - Distributed Systems (3-8 yrs)

SettleMint India :

SettleMint India was formed in 2019, with headquarters in Delhi, India.

The India team focuses on client deliverables and the development of high-performance low-code Blockchain.

We operate from Delhi, and Bengaluru along with certain project locations.

We are looking for a Certified Hyperledger Fabric Administrator with solid working experience in Hyperledger Fabric Network in a distributed system.

Responsibilities :

- Craft fabric networks and chain code applications and review them.

- Analyze transaction and usage statistics to identify and prioritize areas for improvement.

- Build fabric-based applications and back-end web services.

- Creating stable, consistent, and efficient Chaincode in either Javascript / Typescript / Go.

- Creating Chaincode test cases for Chaincode functions.

- Creating functions to create and manage users which are managed by Fabric CA.

- Creating Web API for blockchain interactions using NodeJS (Nest.js framework).

- Creating functions to update off-chain databases based on blockchain events (MongoDB/PostgreSQL).

- Familiar with containerization technologies (Docker).

- Documenting the technical aspects of the application.

Requirements :

- Strong knowledge of Linux system administration and computer networks.

- Strong knowledge of Kubernetes.

- Experience in setting up and managing Distributed Systems, with focus on containerization (Docker & Kubernetes).

- Deep understanding of the Hyperledger Fabric network, its various components, and how they interact with each other.

- Know how to administer and interact with chaincode, manage peers, operate basic CA-level functions, administration of identities & permissions, etc.

- Must have deployed a production-grade Fabric network in Kubernetes before.

- Must perform all network setup tasks like creating channels with custom configuration, using CA for generating identities of organizations, setting up CA topology of one-root-CA-with-multiple intermediate-CA, managing certificates and keys with best security practices, managing consortium (onboarding/removal of organizations in network/channel), adding peer/orderer nodes for organizations when required, managing Private Data Collections for network participants, automating tasks with scripts, etc.

- Must be able to perform upgrades to an existing Hyperledger fabric network network configs, channel configs, chaincode upgrades, etc.

- Must have knowledge of peer-cli, fabric-couchdb-storage, Fabric SDK, etc.