Dashlane

Software Engineer - Security Features

Dashlane
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2 months ago
Paris, FranceSenior

Responsibilities

  • Research, design, implement, and maintain backend services for security features across B2B and B2C products.
  • Build capabilities for identity, authentication, access control, threat prevention, and other security-sensitive user journeys.
  • Partner with Product and Security teams to translate security requirements and risk assessments into product features.
  • Contribute to threat modeling, security reviews, incident follow-ups, and remediation plans.
  • Improve resilience against account abuse, privilege misuse, insecure integrations, and identity-related vulnerabilities.
  • Participate in architecture discussions and make trade-offs among security, usability, maintainability, and delivery speed.
  • Write tested, maintainable code and operate production services with appropriate observability.
  • Collaborate with Web and Client engineers, Product Managers, Product designers, and other cross-functional stakeholders.

Requirements

  • Professional experience as a backend software engineer delivering production systems in a SaaS or comparable cloud-based environment.
  • Strong experience building features that protect users and improve product security.
  • Solid understanding of application security best practices, secure design principles, and threat modeling.
  • Experience collaborating with a CISO, Security team, or equivalent security stakeholders.
  • Proficiency in backend development with modern languages and frameworks, ideally Node.js and TypeScript.
  • Experience designing APIs, integrating external systems, and operating services in production.
  • Strong curiosity about security topics, good communication skills, and effective cross-functional collaboration.
  • Fluency in English.
  • Preferred qualifications include strong cryptography knowledge; familiarity with Passkeys, SAML, OAuth, SCIM, or comparable identity and access management protocols; enterprise security feature development; authentication hardening; account recovery, access governance, fraud or abuse prevention; passwordless authentication; identity lifecycle management; security reviews; and consumer- and business-scale product experience.

Benefits

  • Hybrid work in Paris with office collaboration on Mondays, Tuesdays, and Thursdays and more flexible remote work on Wednesdays and Fridays.
  • English is the working language.
  • Dashlane offers an international, diverse, and inclusive work environment.

Tech Stack

AWSDatadogNode.jsRedisSonarQubeTerraformTypeScript

Categories

Dashlane

About Dashlane

201-500 employees

Dashlane builds a credential-security and password-management platform for businesses and consumers, delivered as web, mobile, and browser applications. It sells subscription plans that combine password vaults with admin controls, SSO integrations, and security insights to reduce credential risk. Founded in 2009 and headquartered in Paris, this privately held company is used by over 25,000 brands, including Michelin, Air France, and Forrester.

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