Range is hiring a Senior Full-Stack Developer (TypeScript) - Frontend Focus in Full-Time — Hybrid · Lisbon, Munich, London.
You will be responsible for building high-quality React applications with TypeScript, ensuring they are fast, responsive, and reliable. You will also design systems that handle failure gracefully and collaborate closely with product, design, and backend engineers to ship features end-to-end.
Responsibilities
- Design and build high-quality React applications with TypeScript.
- Create UIs that are fast, responsive, and consistent under real-world conditions.
- Ensure the frontend behaves gracefully under failure.
- Build and maintain reliable APIs and database interactions.
- Optimize perceived performance.
- Establish and maintain systematic UX patterns across the product.
- Collaborate closely with product, design, and backend engineers to ship features end-to-end.
- Improve developer experience.
Nice to Have
- Experience optimizing performance in complex SPAs.
- Familiarity with TailwindCSS or utility-first styling.
- Experience with observability, logging, and error tracking.
- Experience designing component libraries or design systems.
- Experience working on data-heavy or real-time applications.
About Range
Range is a real-time security, threat prevention, and on-chain risk monitoring platform designed for rollups, blockchains, and decentralized protocols. By analyzing mempool transactions, smart contract state anomalies, and cross-chain bridging flows, Range detects exploits, malicious frontrunning, and governance attacks before funds are drained. Used by ecosystem foundations and DeFi protocols, Range safeguards on-chain assets. The team values cybersecurity research, EVM execution analysis, data pipelines, and incident response speed. Range provides real-time transaction monitoring and threat prevention for blockchains and rollups, detecting exploits and smart contract anomalies before funds are compromised. Range provides real-time transaction monitoring and threat prevention for blockchains and rollups, detecting exploits and smart contract anomalies before funds are compromised.