Senior Software Engineer - Web

About Dashlane

Dashlane’s mission is to deliver the credential security every business and employee needs to thrive. Millions of consumers, and over 25,000 brands worldwide, such as Michelin, Air France, and Forrester, trust Dashlane for industry-leading innovations, patented zero-knowledge security, and an unmatched user experience. Founded in Paris, Dashlane has since established offices in New York and Lisbon, and has grown to more than 300 Dashlaners globally.

We're looking for people who actively use AI tools to drive efficiency, creativity, and impact in their work. At Dashlane, we drive innovation and value learning, strive for excellence in everything we do, and thrive as one team. Learn more about life at Dashlane , including how we work , how we hire , and the benefits of being a Dashlaner .

About the role

The Sharing & Vault team is responsible for how people securely store and share credentials. The team works on sensitive product surfaces at the heart of credential security, balancing strong zero-knowledge principles with simple, reliable experiences for users and admins.

As a senior web engineer, you will shape intuitive, trustworthy interfaces and the client-side foundations behind them, turning security requirements into polished product experiences that are scalable, accessible, and easy to use. You will own complex features from design to production, mentor teammates, and help shape the team's technical direction.

Location-Specific Information:

You will be based in Paris, with English as your working language. At Dashlane, we embrace a hybrid culture that combines the best of both worlds: the creativity and energy of in-person collaboration with the flexibility of remote work. Our model is designed to strengthen team connections while supporting individual productivity and work-life balance. To maximize collaboration, we come together in the office on Mondays, Tuesdays, and Thursdays, while Wednesdays and Fridays offer more flexibility for focused work.

Our stack:

Frontend: TypeScript, React, RxJS

Delivery and monitoring: GitLab, GitLab CI, ELK, Datadog

Tooling: Webpack, Vite, pnpm, Vitest, Puppeteer

Collaboration: Confluence, Zoom, Slack

AI: Claude Code

In your role, you will:

Take shared ownership of the team's product and technical choices, bringing creative ideas that make secure sharing and storage simpler for millions of users.

Collaborate with Product and Design to shape features from early discovery through delivery, to find the simplest, most impactful solutions for our users.

Partner with Security to write threat models and embed security considerations throughout design and implementation.

Implement projects end-to-end: write clean code, easy to maintain and understand, implement tests, and manage deployment.

Lean on AI coding platforms like Claude Code to streamline the SDLC, driving development velocity while maintaining high code quality.

Lead the technical design of complex features, review and guide your teammates' work, and partner with Staff engineers on cross-team topics and the evolution of our web foundations.

Learn every day, and share your knowledge with your co-workers.

Requirements:

7+ years of experience in software development including 5+ years building web applications.

Strong expertise in TypeScript, experience with React and modern state management.

Experience working in a product development team with agile practices.

Familiarity with modern frontend tooling and delivery including monorepos, bundlers, CI/CD pipelines, end-to-end tests and monitoring in production.

A strong focus on quality and an interest in client-side security topics (XSS, isolation, handling sensitive data in the browser).

Hands-on experience with AI engineering patterns, using GenAI tools in day-to-day development.

Fluent in English.

Diversity, Equity, Inclusion and Belonging at Dashlane:

As a truly international company—founded in France and distributed across France, US and Portugal—Dashlane thrives off diverse perspectives. We value all aspects of diversity: gender identity, sexual orientation, ability, ethnic origin, social background, age, lifestyle, and more. We are committed to hiring a diverse community and fostering a culture where everyone is heard and belongs. See more about this here .

Your interview experience:

To know what to expect once you’ve sent your application, read about how we interview and hire at Dashlane . Feel free to browse our blog to find more information about our product and how we work.

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