LI.FI is simplifying multi-chain DeFi for traditional financial institutions, fintechs and service providers by offering a unified API to access all on-chain liquidity across major blockchains for best price same-chain and cross-chain swaps. We are a passionate team on a mission to enable a fairer, more decentralised world. Apart from the tech, we care a lot about user experience and aim to make complex technologies accessible to everyone.
A quick run-down of the job
We are seeking a skilled and experienced Senior Frontend Engineer to join our team. The ideal candidate is a senior developer with a strong background in React development. The role involves building innovative, high-quality frontend solutions with a strong focus on SDK and widget development, shaping user interactions and enhancing API usability.
Please note that you must be located in the EMEA or LATAM regions. Your application will not be considered if you're outside of this region.
Our current stack:
Our team prides itself on harnessing cutting-edge technologies and versions from React:
- TypeScript, JavaScript
- React 18/19
- MUI
- Vitest
- Figma
What you’ll do
- Develop and maintain LI.FI SDK, LI.FI Widget and other supporting libraries and UI components, focusing on user-friendly interfaces and functionality.
- Support and improve library APIs, ensuring they’re robust, elegant, documented, and easy to use.
- Contribute to open-source projects and maintain public repositories, enhancing visibility and impact within the developer community.
- Implement and maintain automated tests to ensure the reliability and scalability of frontend components.
- Work with Ethereum Improvement Proposals (EIPs), specifically those involving account abstraction and wallet connectivity, to stay ahead of evolving Web3 standards.
- Collaborate closely with cross-functional teams to align frontend solutions with backend architecture and overall project goals.
What makes a good candidate
If you thrive in fast-paced environments, are driven by curiosity, eager to learn and grow, and ready to take ownership of your work, we’d love to hear from you!
- Must be proficient in JavaScript and TypeScript.
- 6+ years of experience as a frontend engineer, with a focus on React development.
- Previous experience in Web3 development (Viem, Wagmi, @solana/web3.js) is a must.
- Experience with MUI and Figma, demonstrating the ability to create responsive and visually appealing interfaces.
- Strong attention to detail when implementing designs and writing frontend code.
- Understanding of various Ethereum Improvement Proposals (EIPs) and other advancements in the Web3 development ecosystem are appreciated.
- Excellent communication and teamwork abilities.
- Open-source contributions and/or maintained repositories are strongly appreciated.
- A Bachelor’s degree or higher in Computer Science or a related field is a plus.
We encourage you to apply if you feel your experience and skills equip you for this job but are not listed here!
Company culture
- Embracing the differences
- Embrace your own differences
- Respect and welcome the unique qualities of others
- See others’ differences as an opportunity to grow
- Own it, do it
- Own tasks end-to-end
- Hold yourself to a high bar for execution
- Make bold decisions, and be accountable
- Understand your limitations and seek for help
- Fail forward
- Try - don’t be afraid to fail
- Learn - don’t make the same mistake twice
- Adapt - grow with the experience
- Have fun together
- Take the time to get to know and understand each other better
- Don’t take yourself too seriously and keep it light-hearted
- Fun should be coming from a place of love and respect
What you’ll get
- Annual team offsites (Thailand was a blast at the beginning of 2023, Vietnam this year was blast-ier; let’s see what happens in 2025!)
- Flexible remote days
- Flexible working hours
- Equity participation from day 1
- Entitlement to work computer (choice of equipment)
- 1 Conference per year near your city of residence
- 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.
- Unlimited PTO
