Fullstack Engineer

Job not on LinkedIn

🕒 May 18

🇨🇭 Switzerland – Remote

⏰ Full Time

🟡 Mid-level

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 23%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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decircle

WebsiteLinkedInAll Job Openings

1 - 10 employees

Founded 2019

📣 Marketing

📦 Logistics

💼 Consulting

Marketing • Logistics • Consulting

Decircle is a talent partner specializing in staffing and recruiting for decentralized organizations and projects related to Web3. As a boutique recruitment agency, Decircle focuses on identifying and attracting talent in the blockchain and Web3 sectors, fostering connections within the community of decentralization enthusiasts and guiding them in finding their roles in the evolving decentralized landscape.

📋 Description

• 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

• 5+ years of fullstack development experience using modern technologies, with strong understanding of both frontend and backend performance optimization • Strong proficiency in TypeScript and extensive experience with: Svelte (preferred) React, Vue, or similar modern frameworks (Svelte is considered easy to learn for candidates coming from React/Vue — not a strict requirement) • Backend or fullstack experience strongly preferred to ensure a well-rounded engineering skillset, although the role remains primarily frontend-focused • 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 • Bonus Skills Experience with trading platforms, dashboards, DeFi, or similar domains Experience integrating crypto wallets Rust proficiency Svelte / SvelteKit proficiency Experience with PostgreSQL and Redis Strong design sense / UX mindset (not required, but highly valued) Security expertise, with the ability to own frontend security end-to-end.

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