Senior Full Stack Engineer

Gelato is the Onchain Cloud Platform powering the most ambitious teams in crypto to build the next generation of Web3 applications. Whether you’re launching a blockchain, building smart wallets, or enabling gasless transactions, Gelato gives developers the tools to create seamless onchain experiences.

It’s the infrastructure behind some of the best teams in crypto, like Kraken, who used Gelato RaaS to launch Ink, a leading Layer 2; Gemini, who are building novel smart wallets with Gelato’s SDK; and Infinex, who use Gelato’s Gasless APIs to give users effortless access to over 100 chains. With Gelato, the onchain future isn’t just possible, it’s already being built.

We are seeking a Senior Full Stack Engineer (React + Node.js) to join our engineering team. This is a highly impactful role, working directly with our backend team and other senior engineers to build both backend systems and user-facing applications that power the Gelato Cloud platform and its growing ecosystem.

• 5+ years of professional experience as a Full Stack or Backend Engineer with F.E facing experinece.
• Deep expertise in React and Node.js, with a strong portfolio of production applications.
• Proficiency in TypeScript, modern JavaScript (ES6+), and API design principles.
• Experience developing and integrating REST and/or GraphQL APIs.
• Proven ability to work with Web3 technologies (e.g., wallet integrations, Ethereum APIs, RPC providers).
• Familiarity with blockchain event handling, transaction flows, or gasless transaction systems is a strong plus.
• Strong understanding of frontend performance optimization, security best practices, and responsive design.
• Experience designing or consuming microservices or serverless architectures (e.g., AWS Lambda, Docker).
• Comfortable using AI tools to boost productivity and assist with code generation, documentation, or testing.
• Excellent written and verbal communication skills in an asynchronous remote environment.