Senior Frontend Engineer (Pass)

TL;DR

Senior Frontend Engineer (Pass): Building and optimizing secure, open-source password management tools across browser extensions, web, and desktop platforms with an accent on browser internals, extension APIs, and cross-platform frameworks. Focus on designing high-quality user experiences, implementing robust testing strategies, and ensuring performance and maintainability in a privacy-first ecosystem.

Location: Must be based in or able to work from Paris or Barcelona (Hybrid)

Company

hirify.global is a privacy-focused technology company founded by CERN scientists, providing encrypted tools like Mail, VPN, Drive, and Pass to millions of users globally.

What you will do

• Develop, deploy, and support high-quality user experiences across browser extensions, web, and desktop applications.
• Collaborate with backend, product, design, and QA teams to take initiatives from ideation to completion.
• Break down large initiatives into manageable milestones to facilitate rapid stakeholder feedback.
• Conduct code reviews to ensure high standards of maintainability, performance, and code quality.
• Implement comprehensive unit and end-to-end testing strategies to ensure product reliability.

Requirements

• Proven frontend expertise with deep technical knowledge of browser internals and extension APIs.
• Strong understanding of the JavaScript ecosystem and proficiency with TypeScript or type-safe paradigms.
• Solid grasp of software engineering best practices, design patterns, and CI/CD workflows.
• Product-oriented mindset focused on delivering exceptional user experiences.
• Experience working effectively within a distributed team environment.

Nice to have

• Experience with modern MV3 browser extension development or Electron.
• Familiarity with service-worker architectures, WebAssembly, or Rust.
• Understanding of UX, accessibility, and localization principles.
• Knowledge of cryptography concepts such as symmetric and asymmetric encryption.
• Experience with application monitoring and event-driven systems.

Culture & Benefits

• Work on meaningful, privacy-focused products with a global impact.
• Collaborative, diverse team environment with colleagues from top academic and professional backgrounds.
• Flexible working hours with a focus on outcomes rather than rigid schedules.
• Comprehensive employee benefits including health coverage, retirement options, and generous leave.
• Stock options provided to all employees to ensure a stake in the company's success.
• In-office perks including daily catered lunch, snacks, and transport allowances.