Security-Driven Backend Engineer in Paris (Hybrid)

Dashlane; Paris; Hybrid; EUR 75,000 - 110,000; Full time

Job summary

Dashlane is seeking a Backend Software Engineer with a strong security background to join the Paris-based product development team. You will design, build, and operate backend services powering security-sensitive features for B2B and B2C users.

The role focuses on improving user protection, identity controls, and risk reduction, collaborating with product, design, and Security teams in a SaaS environment.

Qualifications

• Professional backend software engineer with hands‑on production delivery in SaaS or cloud environment.
• Strong curiosity about security topics and product security.
• Experience building security features to protect users.
• Solid understanding of app security best practices, secure design, and threat modeling.
• Experience collaborating with security stakeholders (e.g., CISO).
• Proficiency in backend development with Node.js and TypeScript.
• Experience designing APIs, integrating external systems, and running services in production.
• Excellent communication in a cross‑functional team and fluency in English.

Responsibilities

• Research, design, implement, and maintain backend services for security features across products.
• Build identity, authentication, access control, threat prevention features.
• Collaborate with Product and Security teams to translate requirements into features.
• Contribute to threat modeling and secure SDLC practices.
• Improve resilience against common attack patterns and vulnerabilities.
• Participate in architecture discussions and balance security with usability and speed.
• Write high‑quality, maintainable code with proper observability and ownership.
• Work with cross‑functional stakeholders to deliver secure product value.

Skills

Backend development

Node.js

TypeScript

Security

APIs

Cloud

Tools

AWS

ECS

RDS

Redis

S3

GitLab

Terraform

SonarQube

Job description

Dashlane is seeking a Backend Software Engineer with a strong security background to join the Paris-based product development team. You will design, build, and operate backend services powering security-sensitive features for B2B and B2C users.

The role focuses on improving user protection, identity controls, and risk reduction, collaborating with product, design, and Security teams in a SaaS environment.