Fullstack Engineer (Frontend focus) – Trading Platform

About the role

Variational is building a protocol for peer‑to‑peer trading of derivatives. The team seeks a Fullstack Engineer who will primarily own the frontend trading interfaces while contributing across the stack.

Key responsibilities

• Design and implement high‑performance trading UI using TypeScript and Svelte (or similar modern frameworks).
• Develop backend APIs in Rust, Go, or Python and integrate them with the frontend.
• Optimize performance across CDN, SSR, and real‑time data pipelines.
• Ensure frontend and fullstack security, including XSS/CSRF prevention, JWT authentication, and WAF configuration.
• Maintain CI/CD pipelines, containerised deployments, and end‑to‑end test automation.

Required profile

• 5+ years of fullstack development experience with a strong focus on frontend performance.
• Ability to work autonomously in a small, high‑ownership environment.
• Design mindset that can contribute to UX decisions.

Required skills

• TypeScript
• Svelte (preferred) or React/Vue
• Rust, Go, or Python for backend services
• SQL and relational database expertise
• Frontend security (XSS, CSRF, JWT)
• Fullstack security (SQL injection prevention, WAF)
• CI/CD, containerisation, end‑to‑end testing

What we offer

• Opportunity to shape core trading products in a fast‑growing crypto‑finance startup.
• Strong design and product leadership support.
• Potential for rapid team growth and increased responsibility.