Senior Frontend Engineer $100K - $130K Remote EU

GroRapid Labs; Madrid; A distancia; EUR 40.000 - 80.000; Jornada completa

Descripción de la vacante

An innovative company is seeking a Senior Frontend Engineer to join their world-class team in building next-generation blockchain wallet infrastructure. This fully remote role offers the opportunity to work on cutting-edge fintech applications, focusing on user experience and security. The ideal candidate will have extensive experience in frontend development, particularly with TypeScript and modern frameworks like React or Angular. You'll collaborate closely with technical leaders to shape product vision and implement high-quality, secure UI components. If you're passionate about creating frictionless financial experiences and thrive in dynamic environments, this position is perfect for you.

Servicios

Equity: 300–600 stock options

Fully remote position

Option to work from a physical office

MacBook Pro and necessary gear

Formación

• 6+ years of frontend development experience with a focus on fintech applications.
• Strong proficiency in TypeScript and building UIs with React or Angular.

Responsabilidades

• Lead the development of responsive UI components for a Wallet-as-a-Service platform.
• Implement passkey-based authentication and ensure high performance and accessibility.

Conocimientos

TypeScript

React

Angular

Flutter

Vue.js

WebAuthn

Git

UX Design

Cybersecurity Principles

WCAG Accessibility Standards

Descripción del empleo

Helping Web3 Startups Hire Top Golang & Rust Engineers | Tech Recruiter (US | Europe)

Join a world-class team of technical leaders (CTO, CPO, CISO) and seasoned engineers (Software, Security, Platform) building the next-generation blockchain wallet infrastructure that will power the future of finance.

We’re looking for a Senior Frontend Engineer with deep experience in modern web and mobile development, a solid grasp of UX design principles, and a track record of building high-quality fintech or crypto applications. This role is perfect for someone who thrives in fast-paced environments, has a strong eye for detail, and enjoys pushing the boundaries of what’s possible in user experience and security.

What You’ll Do

• Collaborate with the team to shape the product vision, prioritize the roadmap, and ensure quality and delivery timelines.
• Lead the development of responsive and secure UI components for our Wallet-as-a-Service platform (web and mobile).
• Build and maintain frontend SDKs to enable seamless client integrations.
• Implement passkey-based authentication using WebAuthn and security best practices.
• Translate fintech and banking UX / UI principles into intuitive crypto wallet experiences.
• Rapidly prototype ideas and deliver pixel-perfect, production-grade interfaces.
• Ensure high performance, reliability, and accessibility across platforms.
• Write clean, maintainable code and comprehensive documentation.
• Contribute to a strong engineering culture through code reviews and technical collaboration.
• Continuously explore new tools and technologies to improve frontend development workflows.

What We’re Looking For

• 6+ years of experience in frontend development.
• Strong proficiency in TypeScript (or similar languages).
• Expertise in building UIs with React, Angular, Flutter, or Vue.js.
• Experience with WebAuthn and passkey-based authentication systems.
• Proven ability to build and maintain frontend SDKs.
• Familiarity with fintech / crypto UI best practices, error handling, real-time updates, and secure audit logging.
• Solid understanding of cybersecurity principles and secure-by-design development.
• Proficient in Git, responsive design, and frontend testing frameworks.
• Passion for user-focused design and delivering frictionless financial experiences.
• Knowledge of WCAG accessibility standards and commitment to inclusive design.
• Excellent communication skills and a calm, solution-oriented mindset.
• Entrepreneurial spirit and ability to operate in dynamic, resource-constrained environments.
• Deep understanding of crypto wallets is a big plus.

What You’ll Get

• Equity : 300–600 stock options (0.1–0.2%).
• Fully remote position (France / EU-based preferred).
• Option to work from a physical office if desired.
• MacBook Pro and all the gear you need to do your best work.

Interview Process

• Intro Call – Meet the Co-CEO (30 min)
• Behavioral Interview – Includes personality & cognitive assessments
• Technical Interview – Deep dive with the CTO (30 min)
• Take-Home Assignment – Showcase your skills in a practical challenge
• Panel Interview – Final interview with our leadership team (90 min)