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Senior System Engineer, Blockchain

benchmarking high performance blockchain client

type of job


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4 months ago

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job details


  • Benchmarking high performance blockchain client
  • Identify system bottleneck and optimize the system for certain subsystems including networking, storage, and compute
  • Reduce the system level resource consumption to support compute systems with lower resources
  • Benchmarking high concurrent cloud services, identify bottleneck, and optimize the system performance and architecture


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

Main requirements:

  • 5+ years of hands-on experience with Linux system or kernel engineering
  • Understanding of decentralized / distributed system, p2p networking, blockchain DB, EVM internals
  • Hands-on experience with system benchmarking, optimization on storage, networking, or CPU resources
  • Hands-on profiling and optimization with high performance applications built in golang
  • Familiar with all cloud system and understood the system level architecture of the cloud infra including AWS/GCP/DO etc.
  • Good understanding of security policies, identity/role management, etc
  • Familiar with GoLang

culture & perks

  • You will have the opportunity to work with a team of exceptionally talented engineers, 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)