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Senior Systems Engineer - Application Security

Amsterdam, Netherlands💼 Full-time💰 $66,000–$66,000🗓 2026-09-22 → 2026-09-25

Core

Design and maintain scalable application security systems (WAF, Page Shield, API Shield) protecting millions of websites at internet scale.

Role type

Senior Systems Engineer - Application Security

Builds

Production security services handling up to 100m requests/second

Domain

Internet Security / Distributed Systems

Deliverable

production ML models | product features

Required skills

Go or Rust, distributed systems at scale, DevOps tooling (Kubernetes, Salt, Kafka, Systemd), Linux/Unix fundamentals

Preferred skills

Cyber security experience

Technologies

Go, Rust, Kubernetes, Salt, Kafka, Systemd

Responsibilities

Design systems and write code following bleeding edge best practices; Review RFCs, technical specifications and code; Deploy and maintain live software-based services at scale; Take regular shifts as part of the team's On Call rota; Keep up to date with trends in detecting current and emerging security risks to web applications

Seniority

Senior, hands-on IC

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