DeFi Engineer
About the job
- Have a postgraduate or graduate degree demonstrating a solid background in programming, in Computer Science, Computer Engineering, or equivalent.
- Be comfortable with or native to web3 technology and cryptocurrency markets.
- Have proven experience with an advanced understanding of Ethereum Virtual Machine or another blockchain ecosystem’s architectures and corresponding implementations.
- Have proficient programming skills in at least two of C++, Python, TypeScript, and Rust; Solidity is an asset.
- Be proficient in blockchain-related programming languages such as Golang, Rust, Solidity, Move, or Yul.
- Have experience in smart contract audits and a desire to innovate at the lowest levels of blockchain technology.
- Demonstrate the ability to deploy large technology stacks and deliver finished projects.
- Have fluent English communication skills.
- Possess pre-existing right to work in one of the listed office locations without company sponsorship.
- Co-develop 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 evolving technology supporting market-making and trading strategies.
- Research and implement novel blockchain functionalities and protocols.
- Research smart contract libraries and frameworks.
- Maintain deep awareness of DeFi protocol updates and market developments.
- Deploy solutions on various blockchain platforms.
- Have hands-on experience with blockchain analytics and DeFi protocols across different chains.
- Have deep technical knowledge of specific blockchain platforms.
- Have worked in a fast-paced quantitative or trading environment.
- Have familiarity with TypeScript and other languages used in Web3.
About the company
G-20 Group is a financial firm active in trading, treasury management, advisory, and digital-economy investments. The company works across delta-one and derivatives markets while managing liquidity, risk, capital, and selected strategic investments. It serves institutional counterparties, portfolio companies, and participants in global financial markets. Its operating model centers on specialist trading, research, engineering, finance, legal, and operational teams. Teams work across trading, quantitative research, software engineering, risk, treasury, operations, and compliance.
Company Size
11-50
Company Stage
N/A
Total Funding
N/A
Headquarters
Switzerland
Founded
2010
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Simplify's Take
What believers are saying
- August 24, 2026 website update shows an active platform across EMEA, Americas, and APAC.
- January 2026 CME Avalanche and Sui futures trades expand G-20 Group's institutional product access.
- May 2026 Forgd data sharing strengthens sales pitches to crypto projects demanding transparency.
What critics are saying
- Crypto market-making revenue concentrates in volatile volumes and spreads, crushing earnings during quiet months.
- Switzerland, EU, and U.S. regulators can squeeze market-making, custody, and token-linked trading flows.
- A trading-loss event or license restriction would freeze counterparties and threaten G-20 Group's survival.
What makes G-20 Group unique
- Founded in 2010, G-20 Group spans delta-one, derivatives, treasury, and advisory services.
- January 14, 2026 CME futures trades with FalconX showcased real institutional crypto liquidity.
- May 5, 2026 Forgd partnership turns market-making history into a client-facing transparency edge.
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Benefits
Flexible Work Hours
Company News
Blueprint Finance has secured a strategic funding round led by Polychain Capital to scale Concrete, its institutional DeFi infrastructure platform. Participants include Bullish, Keyrock, BitGo, FalconX, G-20, Flowdesk, JPEG Trading, Sentient Capital, Andes, and 2Square. The company develops full-stack vault infrastructure enabling institutions and asset managers to launch and manage on-chain capital allocation strategies. Concrete integrates execution, accounting, risk controls, and rebalancing within a unified vault system. Blueprint Finance has expanded its ecosystem with new financial primitives, including AssetCX and concUSD. The round brings together investors spanning venture capital, institutional trading, custody, and liquidity provision. CEO Nic Roberts-Huntley stated the strategic partners operate at the centre of digital asset markets, providing expertise across liquidity, execution, and distribution.
Bitlayer, a Bitcoin Layer 2 solution, has secured $9 million in an extended Series A funding round led by Polychain Capital and co-led by Franklin Templeton. SCB Limited, Selini Capital and G-20 Group also participated. The extension brings Bitlayer's total capital raised to $25 million, following a $5 million seed round in March and $11 million Series A in July. The company has developed OpVM, a Bitcoin Layer 1 verification system combining validity proofs and fraud proofs that enables Bitcoin to validate arbitrary calculations. Co-founder Kevin He said the technology allows Bitcoin to integrate into programmable blockchain environments in a trustless manner. Bitlayer claims to be the first Layer 2 solution offering Bitcoin-equivalent security and Turing completeness, built on BitVM technology.
Cork raises $5.5M to build tokenized risk infrastructure—market-driven pricing, hedging, and liquidity backstops for stablecoins, vaults, and RWAs.
Epoch Protocol has raised $1.2M to develop a solver coordination layer for Web3, led by blockchain VCs like L2Iterative Ventures and Longhash Ventures, with support from angel investors. The funding will enhance engineering, expand partnerships, and launch a public testnet. Epoch aims to simplify cross-chain transactions by allowing users to declare intents, which are executed by a decentralized solver network, addressing Web3's fragmentation and improving user experience.
New York, July 8, 2025 – Gaia Labs, creators of open-source infrastructure for decentralized AI agents and inference, today announced it has raised a total of $20 million across its seed and Series A funding.The round was led by ByteTrade/SIG Capital (Susquehanna) and Mirana/Mantle Eco Fund with participation