Blockchain Innovation Engineer

il y a 4 semaines


Paris, Île-de-France Cometh Temps plein
Unlock the Power of Web3 Development

Cometh is at the forefront of Web3 innovation, empowering developers to build cutting-edge games and decentralized applications with ease. Our platform simplifies interactions with the blockchain, providing a seamless user experience. By leveraging non-custodial solutions and passkeys, we offer a web2-like experience within Web3.

We support thousands of users on our applications and have developed an in-house tool suite used by prominent players like Gnosis, Blockscout, and FDJ. Our focus is on simplifying and securing Account Abstraction with 4337 and Safe Core.

We are committed to blockchain innovation, contributing to open-source projects, and have received grants from organizations such as the Ethereum Foundation, Optimism, and Arbitrum. Our team actively participates in Ethereum conferences like EthCC and DevCon, and has won hackathons like ETHGlobal and EthDenver.

Key Responsibilities:
  • Develop, test, and deploy smart contracts, SDKs, and APIs.
  • Collaborate with cross-functional teams to create innovative products.
  • Research and implement cutting-edge blockchain technologies and tools.
  • Stay current with the latest industry trends and developments in EVM and blockchain technologies.

Requirements:
  • 5+ years of software engineering experience.
  • A "Keep It Simple" mindset.
  • Good experience in developing and testing APIs.
  • Solid knowledge of the Node.js ecosystem.
  • Good understanding of the Ethereum Virtual Machine (EVM).
  • Experience with Solidity and other Web3 technologies (e.g., indexers, relayers).
  • A constant drive to experiment and find innovative solutions to problems.


  • Paris, Île-de-France BLOCKCHAIN Temps plein

    Blockchain.com is a leading software platform for digital assets, offering the largest production blockchain platform in the world.We are seeking a skilled Kotlin and Solidity Developer with experience in blockchain protocols and EVM networks to join our DeFi team.As a Backend Engineer, you will work on a wide range of projects, from scaling our...


  • Paris, Île-de-France BLOCKCHAIN Temps plein

    Blockchain is the world's leading software platform for digital assets. Offering the largest production blockchain platform in the world, we share the passion to code, create, and ultimately build an open, accessible and fair financial future, one piece of software at a time.As a Backend Engineer on the DeFi team, you will be working on a wide array of...


  • Paris, Île-de-France BLOCKCHAIN Temps plein

    Blockchain.com is a leading software platform for digital assets, dedicated to creating an open, accessible, and fair financial future.We are seeking a highly skilled Kotlin and Solidity Developer to join our DeFi team as a Backend Engineer. As a key member of our team, you will be responsible for building and maintaining our non-custodial wallet's network...


  • Paris, Île-de-France BLOCKCHAIN Temps plein

    Blockchain.com is the world's leading software platform for digital assets.We are seeking a skilled software engineer to join our team and contribute to the development of our custodial staking platform.As a Senior Back-End Engineer, you will play a critical role in building financial and crypto-native products, services, and APIs.Key responsibilities...


  • Paris, Île-de-France Cometh Temps plein

    Cometh is a leading web3 development platform empowering developers to build innovative blockchain solutions with ease. By simplifying how users interact with the blockchain and improving the onboarding experience, we offer a seamless web2-like experience within web3.Our team has developed an in-house tool suite used by major players like Gnosis, Blockscout,...


  • Paris, Île-de-France Ledger Temps plein

    Secure the Digital World with LedgerAt Ledger, we're on a mission to make the world of digital assets accessible and secure for everyone. As a Senior Blockchain Integration Engineer, you'll play a key role in integrating various blockchains into the Ledger ecosystem, ensuring compatibility and functionality with our devices.The MissionIntegrate Diverse...


  • Paris, Île-de-France Cometh Temps plein

    Cometh is a pioneering web3 development platform that empowers developers to build innovative Web3 games and DApps with ease. By simplifying blockchain interactions and improving the onboarding experience, we offer a seamless web2-like experience within web3.Our team has developed an in-house tool suite used by major players like Gnosis, Blockscout, and FDJ...


  • Paris, Île-de-France Cometh Temps plein

    As a Blockchain Innovation Specialist at Cometh, you will play a vital role in simplifying and securing Account Abstraction with passkeys, 4337 and Safe Core. Our focus is on empowering developers to build Web3 games and DApps with ease by abstracting wallets from users while utilizing non-custodial solutions.We manage thousands of users on our applications...

  • Senior Blockchain Engineer

    il y a 4 semaines


    Paris, Île-de-France luxit Temps plein

    Role OverviewLuxit is seeking a highly skilled Senior Blockchain Engineer to join our Infrastructure Team. As a key member of our team, you will be responsible for building the future of our Validator product and deploying new blockchain protocols.Key ResponsibilitiesDeploying new blockchain protocols in accordance with the Product team.Architecting,...


  • Paris, Île-de-France Ledger Temps plein

    Unlock the Future of Digital AssetsAt Ledger, we're on a mission to make the world of digital assets accessible and secure for everyone. As a Senior Blockchain Integration Engineer, you'll play a key role in shaping the future of blockchain technology.Key Responsibilities:Integrate diverse blockchain technologies into the Ledger ecosystem, ensuring seamless...


  • Paris, Île-de-France luxit Temps plein

    Role OverviewWe are seeking a highly skilled Senior Blockchain Engineer to join our Infrastructure Team at Luxit. As a key member of our team, you will be responsible for designing, building, and deploying our multi-cloud infrastructure, ensuring seamless communication between services, minimal downtime, and quick recovery.Key ResponsibilitiesDeploy new...

  • Blockchain Engineer

    il y a 4 semaines


    Paris, Île-de-France Ledger Temps plein

    About LedgerWe're a global technology leader in the field of digital assets and Web3, dedicated to making the world of digital assets accessible and secure for everyone. Our mission is to empower individuals and companies to securely buy, store, swap, grow, and manage crypto assets.About the RoleWe're seeking a talented Blockchain Engineer to join our...


  • Paris, Île-de-France BLOCKCHAIN Temps plein

    Blockchain.com is the world's leading software platform for digital assets.We are seeking a skilled software engineer to join our team and contribute to the development of our custodial staking platform. As a Senior Back-End Engineer, you will play a critical role in building financial and crypto-native products, services, and APIs.Key...

  • Senior Blockchain Engineer

    il y a 4 semaines


    Paris, Île-de-France luxit Temps plein

    Role OverviewWe are seeking a highly skilled Senior Blockchain Engineer to join our Infrastructure Team at Luxit. As a key member of our team, you will be responsible for designing, building, and deploying our multi-cloud infrastructure using Kubernetes and Terraform.Key ResponsibilitiesDeploy new blockchain protocols in accordance with the Product...


  • Paris, Île-de-France BLOCKCHAIN Temps plein

    Blockchain.com is a leading software platform for digital assets, driving innovation in the crypto ecosystem.We are seeking a Senior Front-End Engineer with expertise in Web3 technologies to join our engineering team and build the next-generation Blockchain apps.This role offers the opportunity to develop user interfaces for future wallets, block explorers,...

  • Senior Front-End Developer

    il y a 4 semaines


    Paris, Île-de-France BLOCKCHAIN Temps plein

    Blockchain is the world's leading software platform for digital assets. We're looking for a skilled Senior Front-End Engineer to join our engineering team and build the next-generation Blockchain apps.We're seeking a talented individual with experience in crypto and Web3 technologies to develop user interfaces that power future wallets, block explorers,...

  • Staff Software Engineer

    il y a 1 mois


    Paris, Île-de-France Ledger Temps plein

    Mission As a key member of the Ledger Blockchain Integration Team, you will lead the integration of various blockchain technologies into the Ledger ecosystem, ensuring seamless compatibility and functionality with our devices. This leadership position demands a robust blend of technical prowess, blockchain understanding, and team management skills....

  • Staff Software Engineer

    il y a 4 semaines


    Paris, Île-de-France Ledger Temps plein

    Unlock the Power of Blockchain IntegrationAt Ledger, we're pushing the boundaries of digital assets and Web3. As our Blockchain Integration Team Lead, you'll play a crucial role in shaping the future of our ecosystem. Your mission will be to lead a dedicated team responsible for the seamless integration of various blockchain technologies into the Ledger...


  • Paris, Île-de-France Ledger Temps plein

    Blockchain Infrastructure DeveloperAt Ledger, we're making the world of digital assets accessible and secure for everyone. Our team is responsible for building and maintaining Ledger's blockchain infrastructure, core transactional data services, and indexing layers. We're looking for a skilled developer to join our backend blockchain team.Key...

  • Junior Software Engineer

    il y a 4 semaines


    Paris, Île-de-France Ledger Temps plein

    Unlock the Future of Blockchain TechnologyAt Ledger, we're on a mission to make the world of digital assets accessible and secure for everyone. As a Junior Software Engineer on our Connectivity Team, you'll have the opportunity to develop your skills, contribute to meaningful projects, and help shape the future of blockchain technology.Key...