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We are seeking a Senior DeFi Developer to architect, build, and deploy high-performance systems across major decentralized finance ecosystems. You will lead the development of automated DEX trading strategies, smart contract infrastructure, and on-chain execution systems across EVM chains, Solana, and emerging networks.
You will work on high-frequency DeFi execution, liquidity management systems, transaction bundling, sniping, triangular arbitrage, and yield optimization — pushing the edge of on-chain strategy and infrastructure.
Type: Full-time
Compensation: Competitive base + meaningful performance incentives
About the Role
We are seeking a Senior DeFi Developer to architect, build, and deploy high-performance systems across major decentralized finance ecosystems. You will lead the development of automated DEX trading strategies, smart contract infrastructure, and on-chain execution systems across EVM chains, Solana, and emerging networks.
You will work on high-frequency DeFi execution, liquidity management systems, transaction bundling, sniping, triangular arbitrage, and yield optimization — pushing the edge of on-chain strategy and infrastructure.
Location: London | Dubai | Hybrid
Type: Full-time
Compensation: Competitive base + meaningful performance incentives
Responsibilities
* Design and implement automated DEX trading systems, including execution on concentrated liquidity AMMs and perpetual futures protocols.
* Develop smart contracts for liquidity provisioning, arbitrage execution, flashloan-based strategies, and collateralized trading.
* Build and maintain high-performance blockchain listeners and off-chain bots for on-chain monitoring and transaction orchestration.
* Implement MEV-aware execution strategies, including Jito validator integration on Solana and bundle building for private or obfuscated submissions.
* Develop systems for multi-wallet creation, transaction obfuscation, and bundled transactions to enhance anonymity and execution efficiency.
* Execute algo-trading strategies across memecoins, new token launches, and triangular arbitrage opportunities.
* Build systems for automated liquidity management on concentrated liquidity DEXs (e.g., Uniswap V3, Orca Whirlpools).
* Optimize transaction fees (gas, compute units) across EVM and Solana chains.
* Contribute to strategy ideation, simulation, backtesting, and parameter optimization.
* Collaborate closely with quant researchers to translate trading ideas into fully automated on-chain execution.
Key Technologies & Platforms
* EVM-based Chains: Ethereum, Arbitrum, Optimism, Base, Polygon
* Solana Ecosystem: Jito, MEV bundles, validator integration
* DEXs and Protocols: Uniswap V3, Curve, HyperLiquid
* Development Stack: Solidity, Rust, Python, TypeScript
* Infrastructure: Hardhat, Foundry, Anchor, Sealevel Runtime, Jupyter, Redis, Postgres
* Other: Flashloans (Aave, Euler, DyDx), Chainlink oracles, Sharded execution frameworks
Requirements
* 3+ years of smart contract development (Solidity, Rust) and/or trading bot development.
* Deep understanding of DEX architecture, AMM mechanisms, and liquidity pools .
* Hands-on experience executing triangular arbitrage, memecoin trading, and/or bundle submissions to validators.
* Familiarity with Jito Validators, MEV searchers, and Solana parallel transaction execution models.
* Proficiency in gas optimization techniques and efficient transaction construction.
* Comfort working across multi-wallet operations, transaction obfuscation, and flashloan orchestration .
* Experience building or working with blockchain event listeners, mempool snipers, or transaction bundlers .
* Ability to independently own trading strategies from idea to full production deployment.
* Strong understanding of DeFi risks (smart contract risk, oracle manipulation, sandwich attacks, liquidation mechanics).
Nice to Have
* Background in HFT, quant research, or automated trading .
* Contributions to DeFi protocols or open-source blockchain projects.
* Experience with zk-rollups, privacy tooling, or parallelized execution models .
* Familiarity with private RPC endpoints, mempool monitoring, and backrunning techniques.
* Previous experience developing for a protocol or prop trading firm
Tech Stack
* Chains: Ethereum/EVM, Solana,
* Tools: Solidity, Rust, Python, TypeScript, Hardhat, Foundry, Anchor
* Infra: AWS, Kubernetes, Postgres, Redis, GraphQL APIs
Why Join Us?
* Build, launch, and profit from cutting-edge DeFi strategies.
* Work in a fast-moving, no-bureaucracy environment where ideas ship quickly.
* Access to private RPC endpoints, MEV relays, liquidity partnerships, and top-tier trading infrastructure.
* Competitive pay, flexible working arrangements, performance-based incentives.
Interested?
Send your GitHub, portfolio, and/or examples of past DeFi projects, trading bots, smart contracts, or execution systems you’ve built.
Seniority level
* Seniority level
Mid-Senior level
Employment type
* Employment type
Full-time
* Industries
Business Consulting and Services
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