Skip to content

Systems Engineer, Network Protocols & Distributed Systems

Build and operate Internet-scale HTTP and TLS infrastructure, migrate services to a Rust-based proxy, and improve protocol performance. The role requires systems programming experience, strong reliability and security practices, and interest in open-source standards.

About the job

Responsibilities

  • Build and operate systems that terminate HTTP and TLS at Internet scale.
  • Migrate core infrastructure from NGINX to a next-generation Rust-based proxy.
  • Measure and improve protocol performance across real-world traffic.
  • Contribute to open source and industry standards.

Requirements

  • Solid systems programming experience with Rust, C, or similar languages.
  • Ability to work effectively in complex technical domains and learn new concepts.
  • Commitment to building reliable, secure, and performant software.
  • Motivation to deliver technical, operational, and Internet-wide impact.

Compensation and Benefits

  • Portugal-based hires: estimated annual salary of €54,000–€75,000.
  • Equity plan eligibility, including RSUs.
  • Employee stock participation plan and ESPP.
  • Flexible work hours and paid time off.
  • Medical, dental, and vision insurance.
  • Flexible spending and commuter spending accounts.
  • Fertility and family-forming benefits.
  • Mental health support and employee assistance program.
  • Global travel medical insurance.
  • Disability and life insurance.
  • 401(k) retirement savings plan.
  • Leave programs, including parental, pregnancy health, medical, and bereavement leave.

Skills

Rust, C, Http, Tls, Nginx, Proxy Systems, Distributed Systems, Systems Programming, Open Source, Network Protocols

Cloudflare

Cloudflare

Lisbon, Portugal
Software Engineer, Security Rules
€54k+/yrHybrid3+ YOEBackend Engineering

Build and operate Rust- and Go-based distributed microservices powering Cloudflare’s application security products. The role requires 3+ years of professional experience, systems-level programming skills, and experience with production-scale systems, databases, and container orchestration.

Cloudflare

Cloudflare

Austin, TX
Software Engineer
$68k+/yrHybrid5+ YOEBackend Engineering

Senior Software Engineer building and operating network infrastructure that carries traffic across critical paths of a global network. The role requires systems programming, Linux kernel networking and eBPF expertise, distributed-systems experience, and knowledge of BGP and Internet routing.

Kapitus

Kapitus

United States

Software Engineer II - Engineering
$96k+/yrRemote5+ YOEBackend Engineering

Develop backend services and modern platform capabilities in Python and AWS while integrating legacy systems. The role requires at least five years of engineering experience, strong CI/CD and infrastructure-as-code skills, and the ability to mentor developers and contribute to technical leadership.

Northwood Space

Northwood Space

Torrance, CA

Network Software Engineer
$100k+/yrOn-site5+ YOEBackend Engineering

Develops production software for satellite ground-network communications, including CCSDS protocol implementation, telemetry and command-data pipelines, and integrations with modems, SDRs, and FPGA systems. Requires systems programming experience and a background in computer science, electrical engineering, or telecommunications.

LogicGate

LogicGate

United States

Software Engineer: Backend
$105k+/yrRemote3+ YOEBackend Engineering

Build and operate backend services, APIs, and data layers for an enterprise GRC SaaS platform. The role requires 3+ years of backend or platform engineering experience with Java or Kotlin, Spring Boot, REST APIs, and relational databases.