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Web-App Security Engineer (d/m/w) - Remote

Freiburg im Breisgau, BADEN_WUERTTEMBERG🌐 Remote💼 Full-time🗓 2026-05-07 → 2026-09-25

Core

Securing Lexware's web application for over 1 million users by integrating security mechanisms, analyzing vulnerabilities, and supporting development teams throughout the SDLC.

Role type

Senior IC Web-App Security Engineer

Builds

Secure web applications and cloud infrastructure for small and medium-sized businesses in Germany

Domain

Fintech / Accounting software / Cloud Security

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure

Required skills

Web application security, Cloud security (AWS), Threat modeling, Vulnerability assessment, Security architecture, Incident response, Scripting (Bash, Python), Dependency management (NPM, Gradle), CI/CD pipelines, IaC

Preferred skills

Incident Response experience

Technologies

AWS, Java, TypeScript, NPM, Gradle, Bash, Python

Responsibilities

Collaborate with feature teams to integrate security mechanisms during conception, implementation, and operation; Analyze and assess vulnerabilities in the application context; Develop and maintain cross-team security mechanisms; Design threat models with colleagues; Communicate security recommendations effectively to development teams.

Seniority

Senior, hands-on IC

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