BLOCKCHAIN

At 3Cubed, we understand that blockchain technologies are driving change and allowing new approaches to the way that we operate in different industries.

Because blockchain is a relatively new field, finding the best talent with the right skill set can be challenging for many companies. Our in depth knowledge and strong networks in this new arena helps us to identify what skills and experience are needed to help any companies that we work with, to help them grow their team effectively and efficiently. 

Latest Blockchain Jobs

QA Engineer, (REMOTE), Blockchain, Start-up

Our client builds an Ethereum-compatible network with increased scaling and lower transactions costs.

Your main responsibility is to help our developers to assure the quality of the...

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Our client builds an Ethereum-compatible network with increased scaling and lower transactions costs.

Your main responsibility is to help our developers to assure the quality of the Engine and the Bridge

Requirements

  • General testing and QA skills, including the ability to write automated tests.
  • Basic JavaScript knowledge.
  • Basic Blockchain knowledge.
  • Fluent in written and spoken English.

Will be a plus

  • Basic Rust knowledge.

Common Skills

  • Clear ability and willingness to hustle and get things done.
  • Self-motivated.
  • Ownership mentality - ability to take extreme ownership and full responsibility of the tasks and projects.
  • Fast learner & natural curiosity.
  • Passionate about blockchain technology.

Blockchain Engineer (Bridge), REMOTE, Start-up, Blockchain

Our client is looking for a talented and productive Blockchain Engineer to join the Bridge team. The Bridge team is responsible for developing the bridge, its related services, and...

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Our client is looking for a talented and productive Blockchain Engineer to join the Bridge team. The Bridge team is responsible for developing the bridge, its related services, and infrastructure that connects Ethereum and other ecosystems together.

This is a full-time position that can be done remotely anywhere in the world.

Qualifications

  • Exceptional ability to keep things organized during the development of complex projects with a distributed team
  • Proficiency in Rust/Go/C++ or other systems programming languages
  • Excellent coding skills with JS/TS or other scripting languages
  • Deep understanding of Blockchain technology and Ethereum in particular
  • Experience in maintaining complex multi-component products (Grafana or other similar dashboard / alerting systems)
  • Experience in the development of concurrent/parallel systems
  • Ability to learn new languages and technologies quickly
  • Strong written communication skills in English
  • Ability to join the team calls during Europe working hours

Nice to have

  • Strong understanding of Ethereum contracts patterns and best practices
  • Experience implementing complex Ethereum contracts in Solidity
  • Familiarity with the internals of other blockchains
  • Familiarity with Rust
  • Previous engineering experience working with Substrate/Solana ecosystems
  • Basic knowledge of cryptography
  • Knowledge of runtimes and virtual machines

Responsibilities

  • Overseeing the release process of the Bridge
  • End-to-end ownership of the relayers and other non-blockchain services and other critical components
  • Supporting and implementing different bridge blockchain connectors
  • Maintenance of the Bridge
  • Supporting the interaction between Bridge and Engine (EVM)
  • Maintenance of documentation, product knowledge base, and on-call handbook
  • Ownership of monitoring and alerting systems (e.g. Grafana)
  • Working with the open-source community by collaborating with external contributors on our codebase, creating and participating in events, facilitating information exchange between our community and other open source communities
  • Communication and collaboration with a fully distributed team
  • Design and implementation of various interoperability components interacting with multiple blockchains

Blockchain Engineer (EVM), REMOTE, Blockchain, Start-up

Your main responsibilities will be to develop new features and provide support on the company engine. Notably, keeping up to date with Ethereum improvements as well as quality improvements on the...

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Your main responsibilities will be to develop new features and provide support on the company engine. Notably, keeping up to date with Ethereum improvements as well as quality improvements on the performance of the engine.

If you are eager to dive into the competing cross-chain ecosystem and would like to work in an energetic environment, surrounded by highly productive and meticulous engineers, we would be happy to see you!

Requirements

  • Exceptional ability to keep things organized during the development of complex projects with a distributed team
  • Proficiency in Rust
  • Deep understanding of Blockchain technology and Ethereum in particular
  • Knowledge of the Ethereum virtual machine
  • Experience working in critical infrastructure systems, i.e blockchain
  • Self-motivation and ability to fully own tasks
  • Fast learner with a natural curiosity
  • Clear ability and willingness to hustle and get things done
  • Extreme ownership mentality - ability to take extreme ownership and full responsibility of tasks and projects
  • Passionate about blockchain technology
  • Able to provide valuable feedback and input during meetings
  • Professionalism and quality in work ethic
  • Staying committed to weekly assignments and being able to follow through

Nice to have

  • Strong understanding of Ethereum smart contracts and best practices
  • Experience implementing complex Ethereum contracts in Solidity
  • Previous experience in the blockchain industry, particularly around the, Ethereum, Binance Smart Chain, or Solana ecosystem;
  • Basic knowledge of Javascript
  • Basic knowledge of cryptography

Responsibilities

  • Overseeing the release process of the Engine
  • Follow EIPs (Ethereum Improvement Protocols) from Ethereum and implement them into the engine
  • Maintenance of the engine
  • Maintenance of documentation, product knowledge base, and on-call handbook
  • Supporting the interaction between the Engine and other teams
  • Working with the open-source community by collaborating with external contributors on our codebase, creating and participating in events, facilitating information exchange between our community and other open source communities
  • Communication and collaboration with a fully distributed team
  • Collaborate with Ethereum and being active in the Ethereum engineering forums