li.fi
9 open TypeScript positions
Open Positions
Senior Backend Engineer (stellar Ecosystem)
LI.FI is seeking multiple Senior Backend Engineers to lead the design, development, and maintenance of robust, scalable, and secure backend systems using Node.js/TypeScript within a Dockerized environment. Responsibilities include architecting solutions, performing code reviews, optimizing system performance, and mentoring junior staff. Candidates must possess strong experience with TypeScript and a technical understanding of blockchain, and must be located within the EMEA region.
Senior Backend Engineer (fee Consolidation Service)
LI.FI is seeking a Senior Backend Engineer to join the team building partner backoffice software, focusing on crypto literacy and blockchain-aware system design. Key responsibilities include designing, developing, and maintaining scalable backend systems and APIs that interact with crypto-native concepts. The ideal candidate is a senior individual contributor comfortable operating crypto products as a user and maintaining high engineering standards.
Senior Backend Engineer (partner Service)
LI.FI is seeking a Senior Backend Engineer to focus on API design and long-term system quality for their partner backoffice software. Key responsibilities include designing, developing, and maintaining scalable backend systems and APIs, taking ownership of API contracts, and contributing to overall system architecture. The role requires extensive professional experience with TypeScript, Node.js, and strong skills in backend architecture and testing within distributed environments.
Mid/senior Smart Contract Engineer
LI.FI is seeking a mid-level Smart Contract Engineer to join the API Expansion Team, focusing on EVM networks to integrate new chains, bridges, and functionalities. Responsibilities include developing and securing production smart contracts, collaborating with auditors, automating multi-chain deployments via scripts, and maintaining the CI/CD pipeline. Candidates should have at least 3 years of Solidity experience and a strong security-first mindset.
Senior QA Engineer - Zaps
The role involves acting as a crypto-native Quality Assurance Engineer, taking full ownership of testing and validating the B2B Zaps product suite. Key responsibilities include reviewing DeFi protocol documentation and Solidity contracts, designing testing strategies for backend services and APIs, and tracking/resolving bugs related to protocol behavior and integration logic. This position requires close collaboration with the development team to maintain high-quality releases and uphold testing standards.
DevRel Engineer (apac) - Mandarin Speaking
The DevRel Engineer (APAC) will focus on helping developers across the APAC region discover, understand, and integrate LI.FI's platform. Key responsibilities include supporting integrations, creating technical content in Chinese and English, and representing LI.FI in local developer communities. This role requires strong technical knowledge of Web3 fundamentals and proficiency in Mandarin Chinese and English, preferably based in an APAC timezone.
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Senior Backend Engineer - Perps
This Senior Backend Engineer role focuses exclusively on integrating Hyperliquid functionalities, such as TWAP and perps, into LI.FI's core API platform. The primary responsibility involves building robust, high-quality backend code for same-chain and cross-chain trading systems without any frontend work. Candidates must be located in the EMEA region and demonstrate strong familiarity with Hyperliquid's architecture and orderbook mechanics.
Senior Backend Engineer - Intents API
The Senior Backend Engineer will lead the development and scaling of LI.FI's core off-chain coordination service (Intents - Order Server), which manages the entire Intent lifecycle. Key responsibilities include designing high-throughput, low-latency APIs using TypeScript/NestJS, developing rigorous security and validation logic, and optimizing real-time data distribution infrastructure. This critical infrastructure role requires 5+ years of backend experience and deep expertise in TypeScript/Node.js and blockchain security primitives to ensure a robust, trustless cross-chain experience.
Senior Backend Engineer
LI.FI is seeking Senior Backend Engineers to lead the design, development, and maintenance of robust, scalable, and secure backend systems. Responsibilities include architecting scalable solutions, maintaining high coding standards, optimizing performance, and mentoring junior developers. Candidates must have strong TypeScript experience, be located in EMEA or APAC, and possess a technical understanding of blockchain.