CareerPlan

Senior Application Security Engineer

All France (remote)RemoteFull-time2026-05-22 → 2026-11-10

Core

Ensure the security of Pennylane's application and infrastructure, support ISO 27001 compliance, and advise developers on security best practices.

Role type

Senior Application Security Engineer

Builds

Secure web applications (Ruby on Rails, ReactJS), AWS/Kubernetes infrastructure, and secure CI/CD pipelines for a financial OS serving French SMEs.

Domain

Fintech, Application Security, Cloud Infrastructure

Required skills

Offensive security assessments, Web vulnerability exploitation and remediation, Programming (Ruby, Python, JavaScript), Cloud infrastructure security, Secure code review, Security incident response

Preferred skills

ISO 27001 compliance expertise, Security Champions program management, Training material development

Technologies

Ruby on Rails, ReactJS, AWS, Kubernetes (EKS), CI/CD

Responsibilities

Integrate security into product features from design to delivery, Conduct code reviews for secure development, Detect vulnerabilities and propose patches, Secure AWS infrastructure and Kubernetes environment, Perform regular security assessments (pentests, bug bounty), Investigate security incidents and propose corrective measures, Ensure ISO 27001 compliance through training and audits

Seniority

Senior, hands-on IC