Blockchain Engineer

Rollco Digital
📍 Japan, Japan, Japan 💼 partTime 🕒 Posted February 25, 2026

Job Description

The Role:

  • Extend or customize the Geth client (or Rust-based executor) to index liquidity pools directly from on-chain state.
  • Develop an EVM-based swap simulator to compare swap outcomes across multiple DEXs(Uniswap, 1inch, ParaSwap, KyberSwap).
  • Implement routing algorithms (e.g., graph-based shortest path) to determine optimal swap paths.
  • Build high-performance transaction builder to generate, sign, and broadcast raw transactions.
  • Benchmark aggregator performance against leading API-based aggregators (1inch, Paraswap).
  • Optimize system performance for low latency and scalability.
  • Collaborate on building APIs or dashboards for exposing swap routes and analytics.

Ideal Profile:

  • You have at least 3 years experience, ideally within a Software Engineer or System Architect role.
  • Proficiency in Golang and/or Rust programming.
  • Deep understanding of Ethereum internals, EVM execution, a...

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Job Details

  • Location Japan, Japan
  • Job Type partTime
  • Category Computer Occupations
  • Posted Date February 25, 2026
  • Application Deadline April 06, 2026