Cosmos SDK & Tendermint Developer - SESAME LAB -

Cosmos SDK & Tendermint Developer – SESAME LAB


Company Overview

ㆍSesame Lab is an IT startup based in Seoul, South Korea. Since its establishment in 2018, we have launched two brands(KEYWE and KEYRING) that bring safety and convenience into every space we work and live in.

ㆍWe’ve recently rolled out a service called ‘KEYRING’. KEYRING is a blockchain-based digital platform which guarantees an easy access to any of our places registered on the app. Equipped with blockchain technology that stores data in a decentralised manner, KEYRING is well protected from external attacks.


  • 1+ years technology consulting experience
  • Experience in developing blockchain solutions
  • Functional and technical understanding of consensus mechanisms
  • Understanding of Inter-chain communication preferable in Cosmos SDK context
  • Knowledge of Digital Assets, Smart Contract Oracles, Interoperability, private/permissioned blockchains and sustainability
  • Good communication skills (both verbal and written)
  • Flexibility/adaptability – comfortable working with ambiguity and continually evolving priorities
  • Team player
  • Golang proficiency
  • Prior experience using one of the following frameworks Cosmos SDK / Ignite / Tendermint


  • Experience with one or more Blockchain protocol: Ethereum, Hyperledger Fabric
  • Knowledge of Ethereum development tools (i.e. Hardhat, OpenZeppelin)
  • Applied Cryptography
  • Experience with one or more Programming Languages: Typescript, Rust, Solidity
  • Experience developing loosely-coupled cloud native applications using modern cloud delivery methods and tools

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