Senior Frontend Engineer

Startup Talents; Paris; Hybride; EUR 162 000 - 189 000; Plein temps

Résumé du poste

Une entreprise spécialisée en infrastructure blockchain recherche un Senior Frontend Engineer basé à Paris. Dans ce rôle, vous serez responsable de la création d'applications web et mobiles attrayantes et intuitives pour la plateforme de Wallet-as-a-Service. Avec 8 ans d'expérience en ingénierie frontend et une expertise en fintech, vous contribuerez à concevoir des expériences utilisateur exceptionnelles. Le poste offre une rémunération attractive et la flexibilité de travailler à distance.

Prestations

Options d'achat d'actions

Matériel fourni

Formation financée

Événements financés

Assurance santé

Plan de retraite

Transport pris en charge

Équipements pour le bureau à domicile

Qualifications

• Minimum 8 ans d'expérience en ingénierie frontend avec une expérience fullstack.
• Antécédents prouvés de livraison de produits orientés utilisateur dans le fintech ou onchain.
• Sens aigu de l'UX, orienté vers les détails et engagement à fournir un code fiable.

Responsabilités

• Prendre en charge les fonctionnalités de l'idée au lancement et à l'itération.
• Construire des applications Web et mobiles pour la plateforme Wallet-as-a-Service.
• Développer des SDK et des outils qui simplifient les intégrations.

Connaissances

TypeScript

React Native

Mobile development

WebAuthn passkeys

Fintech product development

User Experience (UX)

Clean architecture

Secure authentication flows

Formation

Diplôme d'une université de classe mondiale

Outils

React

Node.js

AWS

GraphQL

Description du poste

Overview

Voici un poste à distance.

A Crypto wallet security infrastructure provider are looking for a Senior Frontend Engineer (Paris EU or US based).

They develop the most secure wallet-as-a-service infrastructure in Web3 : an API-first wallet management system ideal for applications and organizations seeking to provide secure access to all blockchains through a single integration. APIs and SDKs were designed for wallet programmability and efficient implementations enabling fast deployments, smart automation flows as well as granular sets of permissions and policies via secure authentication credentials. They are on the way to become the leading wallet infrastructure for the multi-trillion-dollar digital asset industry.

The company is SOC-2 certified, employs 30 people across 6 countries and has raised over $20M since creation with prestigious investors. Their solution is used and trusted by major international corporations.

They are looking for someone with deep expertise in modern frameworks and cross-platform development paired with strong UX instincts and a track record in fintech who understands the craft of building business-grade software: noticing the details, moving quickly and delivering with rigor.

Missions

As a Senior Frontend Engineer you will help the company drive the user-facing side of their product. This role youll own features end to end, turning complex requirements into tools that make financial workflows effortless for developers, admins and end users.

You will build web and mobile apps, refining SDKs and designing interfaces that feel fast, intuitive and trustworthy.

You will move fluidly between polished user experiences and the developer tools that make them possible.

Your responsibilities :

• Take full ownership of features from idea to launch to iteration.
• Build web and mobile apps for our Wallets-as-a-Service platform.
• Develop SDKs and tools that make integrations simple.
• Bring fintech-grade UX to blockchain wallets.
• Design for clean architecture, speed and security.
• Work with Product and Design to shape and ship features fast.
• Write clear docs, review code and uphold high standards.

Profil

You are a firm believer that Speed matters but never at the expense of security, clean architecture, reliable performance and clear docs.

Requirements

• 8 years of frontend engineering with fullstack experience.
• Strong in TypeScript and modern frameworks (React Native etc.).
• Skilled in mobile and cross-platform development.
• Hands-on with WebAuthn passkeys and secure authentication flows.
• Proven record of shipping user-facing products in fintech or onchain.
• Strong sense of UX, detail-oriented and committed to reliable code.
• Clear communicator who works well in fast-moving collaborative teams.
• Degreed from a Top World class university.
• You can demonstrate long tenures in your previous roles and progression (ie promotions).
• You have worked in both successful start-ups and larger organisations.

Informations contractuelles

• Contract: Permanent role (Hybrid remote) in Paris (France) or other EU countries or US (EST times)
• Remote first company: flexibility to work fully remotely or at an office location of your preference within the European Union.
• Salary: to 220k USD (or 190 K) per year on a full-time permanent work contract.
• Equity: 100-200 stock options vested over 4 years with a one-year cliff.
• Work essentials: MacBook Pro, iPhone, AirPods, screens, headsets, cables are provided on Day 1.
• Training and coursework in Crypto, Blockchain Security, code, Coding languages and other topics are paid for on-demand to encourage personal and professional growth.
• Events: fully funded attendance at fintech, blockchain or related conferences.
• Teams retreats / meetups / seminars / conferences all around the world to meet in person and foster meaningful connections.
• Benefits: healthcare and life insurance, retirement plan, sponsored transportation, gym, lunch card, home office equipment and other perks.

Recruitment process

• Video call with COO / CTO (30mn).
• Cognitive and personality tests (45mn).
• Coding Test in language of your choice.
• Focus interviews: code review / Architecture review / Security fundamentals / culture fit (30mn x 4).
• Final interview with Management.

Required Skills

You are a firm believer that Speed matters but never at the expense of security, clean architecture, reliable performance and clear docs. Requirements: 8 years of frontend engineering with fullstack experience. Strong in TypeScript and modern frameworks (React Native etc.). Skilled in mobile and cross-platform development. Hands-on with WebAuthn passkeys and secure authentication flows. Proven record of shipping user-facing products in fintech or onchain. Strong sense of UX, detail-oriented and committed to reliable code. Clear communicator who works well in fast-moving collaborative teams. Degreed from a Top World class university. You can demonstrate long tenures in your previous roles and progression (ie promotions). You have worked in both successful start-ups and larger organisations.

Key Skills

APIs, C / C++, Go, React, Redux, Node.js, AWS, GraphQL, High Velocity

Employment Type : Full Time

Experience : years

Vacancy : 1

Salary : 190 - 220