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De-Fi Engineer

Job in Greater London, London, Greater London, W1B, England, UK
Listing for: G-20 Group
Full Time position
Listed on 2026-08-20
Job specializations:
  • Software Development
    Blockchain / Web3, Software Engineer, Data Scientist, AI Engineer (Applied/Software)
Salary/Wage Range or Industry Benchmark: 90000 - 140000 GBP Yearly GBP 90000.00 140000.00 YEAR
Job Description & How to Apply Below
Location: Greater London

About G20 Group

G-20 Group is a cross-asset trading firm headquartered in Switzerland, trading delta-one and derivatives markets globally. We combine startup agility with institutional-grade experience in proprietary trading, technology, and quantitative finance.

Role Overview

We’reexpandingourteam with a
De-Fi Developer & Engineer
–someone whohas a true passion for innovation using blockchain technology within the spectrum of financial markets,pushing the boundaries in a close-knit technology,mathandtrading-focused team. The individual willwork with colleagues withexpertisein systematic and automatic quantitative trading and market making.

Responsibilities
  • Co-develop our trading algorithms and platform architecture, implementing innovative trade execution and connectivity solutions.
  • Conduct thorough research and analysis of DeFi protocols using on-chain data to build the continuously evolving technology to support market making and trading strategies
  • Research and implement novel blockchain functionalities and protocols
  • Research smart contract libraries and frameworks
  • Maintaindeep awareness of DeFi protocol updates and market developments
  • Proven experience in deployment on various blockchain platforms
  • Post graduateor Graduatedegreedemonstratinga solid background in programming (Computer Science, Computer Engineering,or equivalent)
  • Comfortable or native in web3 technology and cryptocurrency markets
  • Proven experience of an advanced understanding of EVM or another other blockchain ecosystem architectures and corresponding implementations
  • Proficient programming skills in at least 2 of the following languages: C + +, Python, Typescript, Rust (Solidity is an asset)
  • Proficiency in certain blockchain-related programming languages (Golang,Rust,Solidity,Move,Yul)
  • Experience in smart contract audits and a desire to innovate at thelowestlevels of blockchain technology
  • Demonstratedability of large technological stack deployments and deliver finished projects
  • Fluent English communication skills
Preferred /

Desirable Experience
  • Hands-on experience with blockchain analytics, DeFi protocols across different chains
  • Deep technical knowledge of specific blockchain platforms
  • Having worked in a fast paced quantitative or trading experience is a plus
  • Familiarity in Typescript and other languages used in Web3 is a plus
Locations and Right to work

This role can be based out of our Zurich, London, New York or Hong Kong office. Only candidates who possess the pre-existing right to work in one of the locations above without company sponsorship need apply.

Join G-20 and be a part of a team that is at the forefront of financial markets, driving innovation and excellence in the sector.

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