Senior Web3 Infrastructure Engineer

3 weeks ago


Southampton, Southampton, United Kingdom Calyptus Full time

This opportunity is with a partner of Calyptus.

Our partners are engaged in the blockchain sector, so please consider this area before applying.

Key Responsibilities and Expectations

The ideal candidate should possess the following qualifications:

  • Proven experience in web3 infrastructure development, preferably demonstrated through open-source contributions or strong recommendations.
  • A solid understanding of the architecture of EVM nodes and L2 rollups, particularly optimistic rollups.
  • Knowledge of EVM transaction lifecycles, including transaction inclusion, nonce management, and gas estimation.
  • Some experience with smart contracts, specifically in Solidity.
  • Familiarity with best practices for building, hosting, and securing traditional cloud or server-based applications.
  • Proficiency in reading and writing Javascript and Typescript, along with at least one low-level programming language (C, Go, Rust).
  • A well-rounded knowledge of emerging blockchain infrastructure technologies such as account abstraction, gas sponsorship, and MPC wallets.

Calyptus serves as a platform for engineers seeking opportunities in the Web3 domain.

Register to explore over 40 additional roles available.



  • Southampton, Southampton, United Kingdom Calyptus Full time

    This opportunity is with a partner of Calyptus.Our partners are engaged in the blockchain sector, so please apply only if this field interests you. Key Responsibilities and ExpectationsThe ideal candidate should possess the following attributes:Proven experience in web3 infrastructure development, ideally demonstrated through contributions to open-source...


  • Southampton, Southampton, United Kingdom Calyptus Full time

    This opportunity is with a partner of Calyptus.Our partners are engaged in the blockchain sector, so please consider applying only if this field excites you. Key Responsibilities and ExpectationsThe ideal candidate should possess the following attributes:Proven experience in web3 infrastructure development (not limited to application development), preferably...


  • Southampton, Southampton, United Kingdom Ramboll Group AS Full time

    About the RoleWe are seeking a highly skilled Senior Infrastructure Engineer to join our team at Ramboll Group A/S. As a key member of our Infrastructure Development team, you will play a crucial role in designing and implementing cutting-edge infrastructure projects.Key ResponsibilitiesTechnical LeadershipProvide technical guidance and oversight to ensure...


  • Southampton, Southampton, United Kingdom Ramboll Group AS Full time

    About the RoleWe are seeking a highly skilled Senior Infrastructure Engineer to join our team at Ramboll Group A/S. As a key member of our Infrastructure Development team, you will play a crucial role in designing and implementing cutting-edge infrastructure projects.Key ResponsibilitiesTechnical LeadershipProvide technical guidance and oversight to ensure...


  • Southampton, Southampton, United Kingdom Calyptus Full time

    Join a Leading Partner in the Blockchain SectorWe are seeking candidates with a strong interest in blockchain technology. Key Responsibilities and QualificationsThe ideal applicant will possess the following attributes:Proven experience in web3 infrastructure development, ideally demonstrated through contributions to open-source projects or strong...


  • Southampton, Southampton, United Kingdom Ramboll Group AS Full time

    About the RoleWe are seeking a highly skilled and motivated Infrastructure Development Engineer or Senior Infrastructure Development Engineer to join our team at Ramboll Group A/S. As a key member of our Infrastructure Development team, you will play a crucial role in designing and developing innovative infrastructure projects that contribute to a...


  • Southampton, Southampton, United Kingdom Ramboll Group AS Full time

    About the RoleWe are seeking a highly skilled and motivated Infrastructure Development Engineer or Senior Infrastructure Development Engineer to join our team at Ramboll Group A/S. As a key member of our Infrastructure Development team, you will play a crucial role in designing and developing innovative infrastructure projects that contribute to a...


  • Southampton, Southampton, United Kingdom Sterling Bridge Limited Full time

    Job Title: 3rd Line Support EngineerCompany: Sterling Bridge LimitedLocation: Remote (Hybrid Working)Job Type: Full-timeSalary: £40,000 - £45,000 per annumAbout the Role:We are seeking a highly skilled 3rd Line Support Engineer to join our team at Sterling Bridge Limited. As a 3rd Line Support Engineer, you will be responsible for providing technical...


  • Southampton, Southampton, United Kingdom Sterling Bridge Limited Full time

    Job Title: 3rd Line Support EngineerCompany: Sterling Bridge LimitedLocation: Remote (Hybrid Working)Job Type: Full-timeSalary: £40,000 - £45,000 per annumAbout the Role:We are seeking a highly skilled 3rd Line Support Engineer to join our team at Sterling Bridge Limited. As a 3rd Line Support Engineer, you will be responsible for providing technical...


  • Southampton, Southampton, United Kingdom Ramboll Group AS Full time

    About the RoleWe are seeking an experienced Electrical Infrastructure Engineer to join our Critical Systems Team at Ramboll Group A/S. As an Associate Engineer - Electrical Infrastructure, you will play a key role in supporting our colleagues in the wider Building Services division on a variety of projects.Your Key ResponsibilitiesProvide expertise on...


  • Southampton, Southampton, United Kingdom Ramboll Group AS Full time

    About the RoleWe are seeking an experienced Electrical Infrastructure Engineer to join our Critical Systems Team at Ramboll Group A/S. As an Associate Engineer - Electrical Infrastructure, you will play a key role in supporting our colleagues in the wider Building Services division on a variety of projects.Your Key ResponsibilitiesProvide expertise on...


  • Southampton, Southampton, United Kingdom Datasource Full time

    This is a hybrid role with 3 days on-site per week. Candidates must be willing to travel to the company's headquarters for the first couple of months to get face time with the team they will be working closely with.Datasource, a leading engineering and defence company, specialises in research and technology and is looking for a Senior IT Infrastructure...


  • Southampton, Southampton, United Kingdom ACS Performance Full time

    Position OverviewThe ideal Senior IT Infrastructure Architect will oversee the comprehensive IT infrastructure, cybersecurity measures, and related applications on a global scale.This position encompasses:Management of all networking and communication frameworksCollaboration with the Security division to deliver technical support for security deployments and...

  • Microsoft Engineer

    6 days ago


    Southampton, Southampton, United Kingdom Digital Waffle Full time £30,000 - £35,000

    Job Title: 2nd Line Support EngineerJob Summary:We are seeking a highly skilled 2nd Line Support Engineer to join our team at Digital Waffle. As a 2nd Line Support Engineer, you will be responsible for delivering exceptional technical support and managing clients' infrastructure and IT support.Key Responsibilities:Deliver advanced technical support for a...


  • Southampton, Southampton, United Kingdom iRecruit Partners Ltd Full time

    Job DescriptionCompany OverviewiRecruit Partners Ltd is a thriving IT MSP business with 15 years of experience working with international organizations. We have enjoyed double-digit growth, leading to further expansion in the UK market, covering SMEs to multinational and international businesses.Job SummaryWe are seeking a highly skilled Senior Network...


  • Southampton, Southampton, United Kingdom iRecruit Partners Ltd Full time

    About the RoleiRecruit Partners Ltd is seeking a highly skilled Senior Network Consultant to join our dynamic team. As a key member of our project consulting group, you will be responsible for delivering project work for both Enterprise and SME clients.Key Responsibilities:Design and develop network topology and security for both our infrastructure and...


  • Southampton, Southampton, United Kingdom iRecruit Partners Ltd Full time

    About the RoleiRecruit Partners Ltd is seeking a highly skilled Senior Network Consultant to join our dynamic team. As a key member of our project consulting group, you will be responsible for delivering project work for both Enterprise and SME clients.Key Responsibilities:Design and develop network topology and security for both our infrastructure and...

  • Lead Estimator

    5 days ago


    Southampton, Southampton, United Kingdom Anderselite LTD Full time

    **About the Role**Anderselite LTD is currently working with a specialist Engineering contractor who has an urgent requirement for a Senior or Lead Estimator to work in their offices/sites in the Southern region.**Key Responsibilities**To be considered for this role, you must have experience working in either the Rail, Civils or Infrastructure sectors and...


  • Southampton, Southampton, United Kingdom Trant Engineering Limited Full time

    Job DescriptionCivil Design Engineer RoleAbout the RoleTrant Engineering Limited is seeking a skilled Civil Design Engineer to join our professional design team in a key role that involves producing original designs for civil infrastructure. The successful candidate will work closely with our electrical and mechanical teams to draw together inputs and...


  • Southampton, Southampton, United Kingdom Proactive Appointments Limited Full time

    Infrastructure Technician – HybridOur client is actively seeking a skilled Infrastructure Technician to become a vital member of their team on a permanent basis.This position offers a hybrid working arrangement, allowing for 2 to 3 days of remote work each week.In this role, you will contribute to and lead initiatives within the Infrastructure Team,...