Senior Backend Engineer – AI-Driven AppSec & Scalable Systems

Escape; Paris; Hybrid; EUR 90,000 - 120,000; Full time

Benefits offered by this job

Significant equity

Top-tier health insurance

Meal vouchers

Sport subscription

Learning budgets

Premium equipment

Open-source time

Conference talks

Job summary

Escape, a fast-growing AI-powered cybersecurity company in Paris, is hiring a Senior Backend Engineer. You will work with security researchers to translate research into production-grade systems, focusing on autonomous scanning, detection logic, and scalable infrastructure.

Join a mission-driven team and contribute to architecture decisions while deploying across Kubernetes, queues, and cloud storage. Hybrid work in Paris with opportunities for research presentation and continuous learning.

Qualifications

• 4+ years of backend engineering, security research, or applied R&D in a product environment.
• Strong fundamentals across systems, networking, and web architectures.
• Proficient in at least one backend language (Python or Go).
• Experience shipping production systems with measurable impact.
• Ability to translate complex ideas or research into reliable, scalable implementations.
• Collaborative mindset across engineering and security.

Responsibilities

• Build autonomous scanning systems that explore applications, maintain context, and execute complex testing strategies.
• Design and implement production-grade vulnerability detection logic (injection, auth issues, business logic flaws).
• Integrate LLMs and structured reasoning into scanning workflows to improve coverage and reduce false positives.
• Work on distributed infrastructure that orchestrates thousands of concurrent scans (Kubernetes, queues, resource management).
• Ensure scans are fast, deterministic, and cost-efficient despite high complexity and concurrency.
• Contribute to architecture decisions around memory systems, execution environments, and data models.

Skills

Backend engineering

Security research

Distributed systems

Python

Go

System design

Tools

Kubernetes

Kafka

PostgreSQL

Terraform

GitLab CI

Playwright

OpenTelemetry

Job description

Escape, a fast-growing AI-powered cybersecurity company in Paris, is hiring a Senior Backend Engineer. You will work with security researchers to translate research into production-grade systems, focusing on autonomous scanning, detection logic, and scalable infrastructure.

Join a mission-driven team and contribute to architecture decisions while deploying across Kubernetes, queues, and cloud storage. Hybrid work in Paris with opportunities for research presentation and continuous learning.