Senior Systems Engineer: AI-Driven, Multi-Component Systems

Cloudflare, Inc.; Braga; Hybrid; EUR 66,000 - 91,000; Full time

Benefits offered by this job

Equity plan

Flexible time off

Health insurance

Job summary

Cloudflare, Inc. is seeking an experienced senior engineer in Portugal to lead complex, multi-component initiatives across C++, Go, TypeScript, and Rust. You will drive architectural trade-offs, improve resilience, and mentor engineers while coordinating with partner teams to deliver robust distributed services.

The role emphasizes on‑call readiness and durable incident handling, with a focus on security boundaries, latency, and resource efficiency. Collaboration across stacks is essential.

Qualifications

• Strong production C++ proficiency, memory management, concurrency, and debugging in large codebases.
• Experience leading complex systems or distributed-service improvements.
• Strong Linux/UNIX and networking fundamentals with profiling and observability experience.
• Experience designing and operating distributed systems, with service boundaries and recovery strategies.
• Ability to communicate trade-offs clearly and mentor teammates across stacks (C++, Rust, Go, TS).
• Willingness to work across C++, Rust, Go, and TypeScript and learn unfamiliar parts of the stack.

Responsibilities

• Lead complex, multi-component initiatives from problem definition through implementation and rollout.
• Explain architectural trade-offs across latency, availability, and security boundaries.
• Improve resilience, capacity management, observability, and release safety; define success metrics.
• Coordinate work with partner teams, surface dependencies and risks early, guide delivery through ambiguity.
• Mentor engineers and raise the quality of code reviews, design reviews, testing, and documentation.
• Participate in on-call rotation after onboarding and drive durable corrective actions.

Skills

C++ proficiency

Linux/UNIX

Networking fundamentals

Distributed systems

Go

TypeScript

Rust

团队协作

Tools

Go

TypeScript

Cloudflare Workers

Nomad

Consul

Job description

Cloudflare, Inc. is seeking an experienced senior engineer in Portugal to lead complex, multi-component initiatives across C++, Go, TypeScript, and Rust. You will drive architectural trade-offs, improve resilience, and mentor engineers while coordinating with partner teams to deliver robust distributed services.

The role emphasizes on‑call readiness and durable incident handling, with a focus on security boundaries, latency, and resource efficiency. Collaboration across stacks is essential.