Blockchain Engineer with Expertise in Smart Contract Development

1 semana atrás


Lisboa, Lisboa, Portugal Rhog Tempo inteiro

Rhog is seeking a seasoned Blockchain Software Engineer to fill a critical role. Based in Lisbon, Portugal, this position involves developing trading technology for deFi projects.

We are looking for candidates with experience in building and deploying smart contracts on EVM Blockchains (Arbitrum, Ethereum, Optimism, Base, Polygon). The ideal candidate will have expertise in protocol design and development.

The responsibilities of the job include:

  • Designing, developing, testing, and deploying smart contracts
  • Ensuring all smart contracts are optimized, gas-efficient, and adhere to the highest security standards
  • Liaising with external audit firms for periodic reviews
  • Developing and maintaining backend services related to the protocol
  • Developing APIs for front-end consumption and third-party integrations

The selected candidate should have a Bachelor's or Master's degree in Computer Science or a related field and proven experience in developing smart contracts on Ethereum or other major blockchain networks.

A strong understanding of Solidity and the Ethereum Virtual Machine (EVM) is essential. Additionally, the candidate should be familiar with frontend development (React.js, Angular.js, etc.) and have knowledge of centralized and decentralized oracles, layer 2 solutions, and cross-chain technologies.

We estimate the salary for this position to be around €80,000 - €120,000 per year, depending on experience. This amount is competitive for a skilled professional with expertise in blockchain technology.


  • Smart Contract Engineer

    3 semanas atrás


    Lisboa, Lisboa, Portugal Buscojobs Portugal Tempo inteiro

    Role OverviewWe are seeking a talented Smart Contract Engineer to join our team at Buscojobs Portugal.About the JobThe successful candidate will be responsible for designing, developing, and deploying smart contracts using Solidity. This is an excellent opportunity for someone who thrives on challenges and is eager to evolve in their...


  • Lisboa, Lisboa, Portugal Token Metrics Tempo inteiro

    About the RoleWe are seeking a highly skilled Senior Smart Contract Architect to lead our Engineering team at Token Metrics. In this role, you will collaborate closely with fellow engineers and product managers to design, implement, and deploy EVM smart contracts.Key ResponsibilitiesDesign, implement, test, and deploy EVM smart contractsWork with external...


  • Lisboa, Lisboa, Portugal Buscojobs Portugal Tempo inteiro

    OverviewBuscojobs Portugal is seeking a highly experienced and skilled Senior Blockchain Development Expert to join our team in Lisbon, Portugal.About the RoleWe are looking for a talented professional with extensive experience in building trading technology, particularly for deFi projects related to trading, lending, and derivatives. The ideal candidate...


  • Lisboa, Lisboa, Portugal Rhog Tempo inteiro

    We are seeking a highly skilled Blockchain Development Expert to enhance our technology capabilities. Based in Lisbon, Portugal, we are looking for a professional with extensive experience in building trading technology, particularly for deFi projects related to trading, lending, and derivatives.Key ResponsibilitiesDesign, develop, test, and deploy smart...


  • Lisboa, Lisboa, Portugal Altoros Tempo inteiro

    Company OverviewProtofire is a pioneering company in the blockchain ecosystem, committed to empowering decentralized infrastructure, protocols, and applications. With a strong presence since 2016, we have contributed to numerous top projects, including Maker, Chainlink, Tezos, Gnosis, Kyber Network, The Graph, Filecoin, Synthetix, Avalanche, and more.Role...

  • Blockchain Expert

    4 semanas atrás


    Lisboa, Lisboa, Portugal Https:Www.Festentech Tempo inteiro

    Key Responsibilities:We are seeking a highly experienced and talented Full Stack Developer (Backend / Blockchain Focus) to join our clients team. We are focused on professionals with expertise in blockchain and DeFi technologies.Develop, maintain, and optimize backend services related to the protocolDesign, develop, test, and deploy smart contracts on EVM...


  • Lisboa, Lisboa, Portugal Altoros Tempo inteiro

    Company OverviewProtofire, a leading provider of decentralized infrastructure solutions, is seeking a skilled Senior Solidity Developer to join our team. With extensive experience in the blockchain ecosystem, we have contributed to numerous top projects, including Maker, Chainlink, and Tezos. As we expand our operations, we are looking for talented...

  • Chief Technology Officer

    1 semana atrás


    Lisboa, Lisboa, Portugal Square One Resources Tempo inteiro

    Company OverviewOur client, an innovative DeFi firm, is bridging the gap between institutional and retail investors. With over $1 billion in assets, they specialize in capital markets, fintech, and digital assets.Salary and BenefitsThe Chief Technology Officer will receive a competitive salary of $200k per annum, token allocations with a vesting schedule,...


  • Lisboa, Lisboa, Portugal Rhog Tempo inteiro

    About RoghRogh is a leading company that specializes in developing innovative trading technology solutions. With a focus on decentralized finance (DeFi) projects related to trading, lending, and derivatives, we are committed to delivering cutting-edge products that meet the evolving needs of the industry.Salary: €120,000 - €180,000 per yearJob...


  • Lisboa, Lisboa, Portugal Yeagerai Tempo inteiro

    About YeagerAIYeagerAI is a pioneering AI research lab dedicated to revolutionizing the way humans and artificial intelligence interact. We are operating at the intersection of blockchain technology and AI to build GenLayer, a groundbreaking blockchain that integrates AI in its consensus algorithm to create smart contracts that are intelligent and capable of...


  • Lisboa, Lisboa, Portugal Ndctek Tempo inteiro

    **About Ndctek**Ndctek is currently partnered with a brand new UniFi Blockchain platform that combines traditional financial systems (TradFi) and decentralized finance systems (DeFi). This innovative collaboration has led to the company securing over €10 million in Series A funding, paving the way for expansion across Europe.The team at Ndctek is now...


  • Lisboa, Lisboa, Portugal Rhog Tempo inteiro

    We are Rhog, a pioneering organization seeking an exceptionally skilled Enterprise Blockchain Software Developer to drive our technical endeavors forward. Based in Lisbon, Portugal, we are focused on finding professionals with expertise in crafting innovative trading technology, particularly for deFi projects related to trading, lending, and...


  • Lisboa, Lisboa, Portugal Kwan Tempo inteiro

    Main Responsibilities: KWAN is seeking a skilled developer to work on a wide range of projects. As a Solidity Developer, you will be responsible for designing, developing, and deploying smart contracts using Solidity. You will also collaborate with cross-functional teams to define, design, and ship new features. Additionally, you will conduct thorough...


  • Lisboa, Lisboa, Portugal Buscojobs Portugal Tempo inteiro

    We are seeking a highly experienced and talented Senior Blockchain Expert to lead our DeFi trading technology projects in Lisbon, Portugal. With a strong focus on professionals with expertise in building trading solutions, we aim to find the best candidate for this role.Job ResponsibilitiesDesign and develop smart contracts on EVM Blockchains (Arbitrum,...


  • Lisboa, Lisboa, Portugal YeagerAI Tempo inteiro

    About YeagerAIWe are a pioneering AI research lab dedicated to revolutionizing the way humans and artificial intelligence interact. Our mission is to push the boundaries of what is possible with AI and blockchain technology.Our team is working on GenLayer, a groundbreaking blockchain that integrates AI in its consensus algorithm to create smart contracts...


  • Lisboa, Lisboa, Portugal Rarible, Inc. Tempo inteiro

    Shape the Future of Web 3Rarible, Inc. is a leader in decentralized technologies and we're seeking an experienced Blockchain Solutions Architect to join our Protocol Team. The ideal candidate will have expertise in connecting main protocol microservices with Ethereum Smart Contracts.About UsWe are Rarible, Inc., a pioneering company in the field of...


  • Lisboa, Lisboa, Portugal Blockchainmalaga Tempo inteiro

    Job Title: Senior Blockchain/Solidity DeveloperAbout the Company: Nevermined is the world's first enterprise-grade ecosystem that incentivizes data collaboration in the most adversarial B2B environments.About the Role: We are looking for a well-versed Senior Blockchain Developer with strong experience in Solidity smart contracts development to complement our...


  • Lisboa, Lisboa, Portugal Yeagerai Tempo inteiro

    About YeagerAIPosition OverviewWe are seeking a Senior Golang Developer to support the development of the GenLayer node. In this role, you will be responsible for architecting, building, and maintaining the core node software that powers the GenLayer blockchain. Your expertise will be crucial in ensuring the performance, security, and scalability of our...


  • Lisboa, Lisboa, Portugal Rhog Tempo inteiro

    Rhog is seeking a seasoned Senior Full Stack Engineer to spearhead the design and development of cutting-edge web applications for our products.Key ResponsibilitiesWe are looking for a highly skilled individual with expertise in frontend development, particularly in React.js, to implement real-time data integrations and maintain complex business logic....


  • Lisboa, Lisboa, Portugal Pyctor Holding Ltd Tempo inteiro

    Company OverviewPyctor Holding Ltd aims to revolutionize the finance sector by promoting inclusivity and equality of opportunity in the crypto-asset ecosystem.We are a digital assets post-trade market infrastructure that empowers global custodians, institutional issuers, and other capital market actors to securely issue, access, and manage digital assets in...