Senior Frontend Engineer - Crypto - job 1 of 2

Career Renew is recruiting for one of its clients a Senior Frontend Engineer - Crypto - this is a fully remote role but candidates need to be based in EMEA region.

We are 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 decentralized 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.

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 our SDK's, Widgets 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.

+6 years of experience as a Frontend, with a focus on React development

Proficient in JavaScript and TypeScript (please share details)

Previous experience in Web3 development (Viem, Wagmi, @solana/web3.js)

Experience with MUI and Figma (Please provide details)

Understanding of various Ethereum Improvement Proposals - Bonus

• 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