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Sr. Software Engineer, Blockchain

be involved in planning and execution that helps deliver a scalable, high performance, low latency blockchain

type of job


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4 months ago

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job details

role overview

As an early stage engineer you will be involved in planning and execution that helps deliver a scalable, high performance, low latency blockchain. This is an exciting opportunity to be at the ground floor of delivering something potentially revolutionary (while learning and having fun).


  • Simulate and defend against attacks and security models on our blockchain to make it robust
  • Architect robust, scalable, secure infrastructure
  • Develop testing tools, attack simulation tools
  • Engage open-source community for development and benchmarks
  • Develop SDK for the Harmony blockchain network
  • Develop smart contract and virtual machine for Harmony blockchain
  • Develop dApp and integrate with our partner application/platform


We are looking for hard-working software engineers who, like us, are passionate about building a global-scale decentralized future.

Main requirements:

  • BS/MS degree in Computer Science or related technical field
  • Fast learner with ability to take ownership from specs to production; strong understanding of back-end development
  • Demonstrate solid software engineering practices such as modular, extensible code with understanding of testing methodology and ability to write good documentation
  • Interest/experience in building scalable infrastructure or distributed systems
  • Interest/experience in Go, Rust is a plus, but not necessary
  • Passionate about decentralized ledger technologies
  • Familiarity with public cloud platforms like AWS, Google Cloud Platforms
  • Familiarity with Solidity, Javascript, or Python
  • Contribution to open source projects, familiar with git

culture & perks

  • You will have the opportunity to work with a team of exceptionally talented engineers (see our founding story), who live by the values of empathy, passion and excellence
  • You will be developing a high performance and scalable blockchain that will enable new decentralized economies through use cases like ai-data marketplaces, decentralized maps and many others
  • We are still at the early stage of blockchain or decentralized ledger technologies. If you strongly believe in this space, this is a unique opportunity to become a part of a pioneering project


  • Full or Partial Remote Work
  • Competitive Compensation + equity + bonus
  • Medical, Dental, Vision
  • Periodic team retreats
  • MacBook Pro, phone and other communications included
  • 401K matching (US Employee)

about us

Harmony is an open and fast blockchain. Our mainnet runs Ethereum applications with 2-second transaction finality and 100 times lower fees. Our secure bridges offer cross-chain transfers with Ethereum, Binance and 3 other chains. Harmony is granting $300 Million to support ecosystem projects on cross-chain DeFi, NFT, DAO.


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Harmony is a L1 EVM compatible blockchain for building decentralized applications (dApps)