Senior Scanners Software Engineer

We are seeking a Senior Scanners Software Engineer to join Escape and play a key role in building and scaling the core of our security scanning platform. This role is central to Escape's mission: analyzing customer applications at scale to accurately detect real-world vulnerabilities. You will work at the intersection of software engineering, distributed systems, and applied security, transforming cutting-edge research into reliable, production-grade scanners used by our customers every day.

As part of the Scanners team, you will be responsible for designing, implementing, and operating large-scale analysis workloads. You will collaborate closely with the Security Research team, who provide vulnerability detection logic and algorithms, and ensure their work is efficiently, safely, and reliably executed in production.

• Location: Paris , 2 days remote/week

• Company: Escape – Leading AI Cybersecurity Startup

• Cofounders: CEO (Tristan Kalos) and CTO (Antoine Carossio)

• Engineering Team: 13 Engineers, 4 Technical Leads, 1 Product Owner

• You'll be working in a close-knit team of 3 outstanding engineers under supervision of a technical lead

• Scanner Engineering: Design, implement, and maintain scanner execution engines that analyze customer applications (e.g. HTTP services, APIs, files, repositories) to identify security vulnerabilities.

• Workload Processing at Scale: Build and operate systems that handle high-throughput, resource-intensive workloads such as web scanning, file processing, and crawling, with strong guarantees on performance and isolation.

• Production Ownership: Take responsibility for critical systems running in production, including reliability, observability, performance tuning, and incident resolution.

• Research-to-Production Bridge: Collaborate closely with the Security Research team to integrate vulnerability detection algorithms into scalable, maintainable, and testable software components.

• System Design & Scalability: Contribute to architectural decisions to ensure the platform scales with customer growth while maintaining predictable costs and performance.

• Code Quality & Maintainability: Uphold high engineering standards through clear abstractions, testing, code reviews, and documentation.

• Technical Leadership: Act as a senior contributor within the team, helping shape best practices, mentoring other engineers, and driving continuous improvement.

• Languages: Python (primary), Go (for selected performance and network-intensive components)

• Execution Model: Large-scale, containerized workloads running on Kubernetes (EKS), including long-running and resource-intensive scans

• Orchestration & Scaling: Kubernetes Jobs with queue-driven autoscaling

• Web Automation: Playwright with headless Chromium

• Data & Storage: PostgreSQL, object storage (S3-compatible), Redis (limited use)

• Messaging: Real-time messaging and event streaming using Kafka

• Observability: Metrics, logs, and tracing via OpenTelemetry and Grafana Cloud

• CI/CD & Infra: GitLab CI, Terraform, continuous delivery

Equity: Significant stock options via BSPCE, making you a true stakeholder in our success.

Health first: Comprehensive health insurance with Alan

 Meal vouchers with a Swile Card

 Sport subscription to have preferential prices to go to the gym, with EGYM Wellpass (ex Gymlib)

A place to learn and grow: Unlimited access to books and online courses to help you excel in your role

Tech perks: Get the latest tech gear, including Apple (or not) equipment and ultra-wide screen, to do your best work

Open Source: Free time to work on cool Open Source Projects.

Global exposure: Present groundbreaking research at top international conferences, like APIDays (Paris, London, New York), GraphQL Conference (San Francisco), bSides (Berlin, Milan, Oslo, Stockholm…), etc