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Senior Backend Engineer - Hyperliquid
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Job Description: Backend Developer
This is a remote position.
This company is a Web3 player offering a unified API to access all on-chain liquidity across major blockchains in order to simplify multi-chain DeFi for traditional financial institutions, fintechs and service providers, for best price same-chain and cross-chain swaps.
They are looking for a Backend Developer with a dedicated focus on integrating Hyperliquid functionalities into their API platform. This role is backend-only (no frontend or design work required) letting you shape core integrations at the infrastructure layer.
Please note: You must be located in the EMEA region. Your application will not be considered otherwise.
Missions
- Extend the company’s API stack to include Hyperliquid ecosystem projects and feature set
- Collaborate closely with the Expansion PM and other backend engineers to improve integrations, routing, and user flows; help evaluate new opportunities for feature extension.
- Ensure robust, high-quality backend code, focusing on scalability and reliability for same-chain and cross-chain trading.
- Participate in code reviews, system design, and documentation.
Technical Ecosystem
Backend: Typescript, EVM and integration patterns
Hyperliquid: builder codes (spot, perps), HIP-3, precompiles, and HyperEVM
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Programmatic trading: TWAP, perps, orderbooks
Crypto: Solana, Bitcoin (Nice to have)
Requirements
The company prioritizes candidates who show genuine excitement for Hyperliquid and demonstrate technical familiarity with its protocols. Expect conversations where you can showcase prior Hyperliquid-related projects and discuss ideas for future integration work. Prior Hyperliquid work experience IS NOT a requirement per se but the employer will test your understanding through interview discussions and portfolio review.
This is a remote role but you must be located in the EMEA regions (or potentially APAC region overlapping with EU hours)
- Interest in Hyperliquid and its protocols, eager to help the company distribute programmatic trading features (e.g., TWAP, perps) to the broader DeFi ecosystem through performant backend systems.
- Familiarity with Hyperliquid’s architecture: You understand builder codes (spot, perps), HIP-3, precompiles, and HyperEVM at a design level and keep up with evolving documentation.
- Hyperliquid focus: You are passionate about the Hyperliquid ecosystem and be able to demonstrate your familiarity with the ecosystem — past projects or self-driven exploration are valued
- Orderbook fundamentals: You grasp the mechanics of orderbooks and are comfortable working with programmatic trading features
- Backend focus: Solid backend engineering background, especially with EVM and integration patterns; front-end or modal design work is not expected.
- TypeScript proficiency: Experience building scalable APIs and backend systems in TypeScript.
- Independence: Can drive integrations and new feature proposals with minimal oversight, collaborating effectively in a remote-first team.
- Cross-chain experience: Experience with bridges and backend infrastructure supporting a multi-chain environment is highly valued.
- Bonus: Familiarity with Solana, Bitcoin, or mobile backend development.
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Benefits
- Contract: Permanent role (Remote) EMEA or APAC
- Salary: €90-130K per year on a full-time permanent work contract.
- Annual team offsites
- 30 days of PTO
- Flexible working hours
- Equity participation from day 1
- Entitlement to work computer (choice of equipment)
- An annual 1,000€ personal development budget once you have worked 6+ months (pro-rated the first year)
- A one-time 1,000€ remote budget to use on coworking, office setup, etc.
Recruitment Process
- Recruiter / HR Call
- Hiring Manager Interview
- Take Home Test
- Technical Interview
- Group Interview
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