Sr. Full-Stack Javascript Engineer

buscojobs España; Islas Baleares; A distancia; EUR 45.000 - 65.000; Jornada completa

Descripción de la vacante

A leading company in the blockchain space seeks a Full-Stack Developer to maintain APIs and build a Cloud app front end using Next.js. The role requires strong backend skills and a focus on Node.js, offering a remote work setup. You will work with cutting-edge technologies and contribute to enhancing web3 interactions. If you are passionate about digital ownership experiences and have a solid understanding of full-stack development, this is an exciting opportunity.

Formación

• 5+ years full-stack experience, with 60-70% focus on Node.js.
• Expertise in React and Tailwind CSS.

Responsabilidades

• Build front-end with Next.js / React and Tailwind CSS.
• Develop backend with Cloudflare Workers and Supabase.
• Optimize API performance, latency, and throughput.

Conocimientos

Node.js

React

Tailwind CSS

TypeScript

PostgreSQL

Herramientas

Next.js

Cloudflare Workers

Supabase

Grafana

Terraform

Descripción del empleo

Welcome to Reown, the onchain UX platform.

Reown (formerly WalletConnect Inc.) provides tools for seamless, secure, and intuitive digital ownership experiences.

Since 2018, it has grown into a network serving over 6,000 apps, 600+ wallets, and 15+ million users.

Reown offers innovative toolkits like AppKit and WalletKit, enhancing web3 interactions. AppKit supports wallet integrations, login, and on-chain transactions, while WalletKit secures wallet connections across EVM and non-EVM blockchains.

Backed by $25 million from investors such as Union Square Ventures, 1kx, Shopify, Coinbase Ventures, Circle Ventures, and Uniswap Labs, Reown is a remote-first team that values openness, simplicity, innovation, and ownership.

The Role

Duration : Full-time; Location : REMOTE; Preferred Time Zone : Europe (CET)

Your tasks include maintaining APIs and building our Cloud app front end with Next.js. This role requires ownership of Next.js apps and high-traffic backend services, with a strong understanding of blockchain and best practices in full-stack development.

Responsibilities

• Build front-end with Next.js / React and Tailwind CSS
• Develop backend with Cloudflare Workers and Supabase
• Refactor features or migrate tools
• Create unit, integration, and E2E tests
• Enhance observability with Grafana and Terraform
• Optimize API performance, latency, and throughput

Requirements

Must have :

• 5+ years full-stack experience, with 60-70% focus on Node.js
• Expertise in React and Tailwind CSS
• Experience with Next.js or similar frameworks
• Strong backend skills with TypeScript and Node.js
• Proficiency in PostgreSQL and connection pooling

Nice to have :

• Blockchain or crypto development experience
• Familiarity with testing frameworks like Jest or Vitest
• Experience with DeFI protocols
• Ability to work with Figma and pixel-perfect design integration

Reown is an equal opportunity employer, promoting diversity and inclusion.