Spanco Solutions Jobs

There is 1 Web3 Job at Spanco Solutions

Receive emails of Spanco Solutions Jobs
Spanco Solutions
$105k - $111k est.
NY Madison US

Title: Sr Blockchain Engineers

Location: Madison Ave NYC NY (This position can become remote / hybrid work after 3 months.)

Duration: 1yr + (Renewable Contracts).

Skills Needed

  • Must have 8+ years of experience designing software systems as a senior software developer.
  • Must have 8 + years of experience in the IT Industry as a Java developer / Engineer.
  • Must have 4+ years of experience working in the US for US companies.
  • Must have 3+ years of recent experience with in last 4 years) working in a major US Bank or Major Brokerage house.
  • Must have 3+ years of experience building and releasing production grade Block Chain contracts utilizing Solidity, Clarity, and Rust.
  • Must have 3+ years of experience with blockchain architecture, private keys, and standards/protocols work.
  • Experience with Cryptocurrency /Defi/ Blockchains.
  • Must have strong experience with BlockChain data, creating messager applications, and dynamic / real-time data transfer
  • Experience with the automated software verification toolchain for smart contracts.
  • Experience with blockchains, program verification/analysis.
  • Building, deploying, maintaining, and upgrading smart contracts that power the DIMO ecosystem
  • Experience writing reusable code and libraries for DIMO platform and open source community
  • Fine-tuning contracts for gas cost and security
  • Bridging the gap between token specification and technical implementation.
  • A deep understanding of the Ethereum Virtual Machine.
  • Prior experience deploying complex smart contract systems to the Ethereum mainnet.
  • A solid understanding of how CPUs, memory, pointers, and the stack and heap work at the low level
  • Ability to consistently meet project milestones while working as part of a diverse, multi-disciplinary team that is geographically dispersed, requiring collaboration with individuals in multiple time zones.
  • Experience in security, compilers, programming languages, formal methods, automated theorem proving, or program analysis.
  • Experience with code reviews and distributed version control systems like git.
  • Experience developing large flexible systems.


  • Participate in developing automated Blockchain software verification toolchain for smart contracts.
  • Participate in Developing blockchains, program verification/analysis systems.
  • Contribute to the design and development of smart contract component such as bridges, order books, staking, and minting of tokens.
  • Advise on hiring of other smart contract engineers
  • Mentor junior engineers and interns.