Senior Engineer II, Chromium

🔥 13 hours ago

🇬🇧 United Kingdom – Remote

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 10%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Menlo Security Inc.

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💰 $100M Series E on 2020-11

Cybersecurity • Enterprise

Menlo Security Inc. is a cybersecurity company focused on providing advanced internet security solutions for enterprises. They specialize in securing browsers across hybrid enterprise environments to prevent phishing and malware attacks. Menlo Security offers a cloud-based browser security solution that transforms any browser into a secure enterprise browser, helping organizations protect against highly evasive adaptive threats, zero-hour phishing, and ransomware. Their zero-trust access architecture enables safe internet use and secure application access, supporting over 800 customers globally, including financial institutions and government agencies.

📋 Description

• Design, build, and maintain Chromium-based browser components in C++, working across layers such as content, browser, core, compositor, skia, and networking • Architect and embed controls for detecting Prompt Injection (PI) and managing Shadow AI activity within browser execution and agent workflows • Apply networking fundamentals and HTTP security expertise to harden browser isolation, proxy/gateway intercepts, and network-facing infrastructure • Partner with MARS and AI teams to build and integrate AI agent capabilities and MCP servers into the security platform • Use Python or Rust to build supporting tooling, detection microservices, and prototypes • Deploy and operate AWS/GCP cloud infrastructure and Kubernetes/Terraform orchestration for agent/MCP and threat-detection workloads • Debug and optimize performance-critical, high-scale systems across browser and backend infrastructure • Collaborate with product, security, and AI engineering teams to ship capabilities end-to-end • Apply AI-assisted coding tools for development, testing, and code review

🎯 Requirements

• 5+ years of experience in software engineering with strong C++ systems programming skills • Strong networking fundamentals, including solid knowledge of HTTP security, web protocols and / or client-side security architecture • Bachelor's degree or higher in Computer Science or a related field (or equivalent practical experience)

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