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Senior Web3 Backend Engineer - Dewiz

Posted: April 30, 2025

Job Description

Join a team of decentralized finance builders working on cutting-edge Intent protocols and cross-chain challenges. Contribute to designing and implementing liquidity sources, bid/gas optimizations, and solver strategies within the Web3 EVM ecosystem.

Key Information

  • Location Model: Remote
  • Location Details: Global
  • Salary Range: N/A
  • Years Experience Min: 5+ years (Backend)
  • Employment Type: N/A (Likely Permanent/Full-Time based on description)
  • Company Industry: DeFi / Web3
  • Visa Sponsorship: N/A
  • Relocation Assistance: N/A
  • Working Hours: Flexible schedule (Fully autonomous team)

Technical Stack

  • Core (Must-Have):
    • NodeJS (preferred)
    • Rust or Python (desirable)
    • Solidity (Smart Contracts)
    • EVM Chains (Web3)
    • DEX Aggregators / DEX/CEX/RFQs (Routing algos)
    • Algo Trading
  • Nice-to-Have:
    • AWS

Role & Responsibilities

  • Key Responsibilities:
    • Dig into Intent protocols (CowSwap, Uniswap X, 1inch, Across, etc.).
    • Design and implement liquidity sources and protocol abstractions.
    • Design and implement bid and gas optimizations.
    • Define solver strategies for EVM chains.
    • Build sound and secure Solidity code (integrations focus).
  • Must-Have Qualifications:
    • 5+ years Backend experience (NodeJS preferred, Rust/Python desirable).
    • 2+ years experience on Web3 EVM chains.
    • Smart contract experience (design/implementation focus).
    • Algo trading experience.
    • Experience with DEX aggregators/DEX/CEX/RFQs.
  • Nice-to-Have Qualifications:
    • AWS experience.

Company & Culture

  • Benefits Highlights:
    • Yearly team gathering at a Web3 conference (expenses included).
    • Hardware and accessories provided.
    • Yearly training and experimentation budget.
  • Potential Red Flags / Things to Note:
    • Team operates under pseudonyms.
    • Specific salary range not stated.
  • Company Culture Snippets:
    • Remote-first and fully autonomous team.
    • Emphasis on ownership, responsibility, and accountability.
    • Focus on privacy and decentralization.

Job Details

Location

Remote / London, United Kingdom

Key Skills

Nodejs Python Rust Web3 Solidity Smart Contracts Evm Backend Service Architecture Optimisation