Fullstack Engineer

decircle

Senior Full Stack Engineer at YieldNest developing scalable solutions in DeFi with TypeScript and GraphQL. Collaborating with product teams to drive innovation in a remote environment.

Posted 5/15/2026full-timeRemote • 🇨🇭 SwitzerlandMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

GraphQLJavaScriptNext.jsNode.jsTypeScriptWeb3

About the role

Key responsibilities & impact

Building and owning frontend trading interfaces using TypeScript and Svelte (or equivalent modern frameworks)
Implementing fullstack features, including backend API development in Rust, Go, or Python
Optimizing performance across frontend and backend (CDNs, SSR, real-time data systems)
Owning frontend security, including secure coding practices, XSS/CSRF prevention, and deployment/DNS configuration
Implementing fullstack security measures such as SQL injection prevention, JWT authentication, and WAF configuration
Maintaining CI/CD pipelines, containerized deployments, and end-to-end test automation

Requirements

What you’ll need

5+ years of fullstack development experience using modern technologies
Strong proficiency in TypeScript and extensive experience with: Svelte (preferred) React, Vue, or similar modern frameworks
Backend or fullstack experience strongly preferred
Strong proficiency in SQL and extensive experience working with relational databases
Advanced knowledge of frontend and fullstack security, including: XSS / CSRF prevention JWT authentication WAF configuration SQL injection prevention

Benefits

Comp & perks

Health insurance
Remote work options

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

TypeScriptSvelteRustGoPythonSQLCDNsSSRJWT authenticationWAF configuration