Senior Software Engineer (Load Balancing)

Cloudflare; United Kingdom; Hybrid; GBP 95,000 - 140,000; Full time

Benefits offered by this job

Stock options

Generous vacation

Parental leave

Healthcare benefits

Commuter program

Wellbeing programs

Job summary

Cloudflare is seeking a Systems Engineer to join the Load Balancing team. You will design, implement, and operate the software that powers a global edge network, running in Go and other languages, and working with Docker, Kubernetes, and modern data stores.

You will collaborate across security, network, SRE and product teams to build scalable, fault-tolerant systems. You will mentor colleagues, review code, and contribute to incident response and system health.

Qualifications

• Experience with Go, Rust, C++ in systems-level programming and distributed services.
• Proven ability to design and operate fault-tolerant distributed systems at scale.
• Strong mentoring, collaboration and communication skills.
• Experience with containerization and orchestration (Docker, Kubernetes) and modern Unix/Linux environments.

Responsibilities

• Design, implement, and maintain Cloudflare’s Load Balancing software.
• Collaborate with security, network engineering, SRE, and product teams to scale solutions.
• Review peers’ work and mentor team members to improve reliability and performance.
• Debug complex production systems and monitor health using standard tooling.

Skills

Go

Rust

C++

Distributed systems

Mentoring

Communication

Tools

Docker

Kubernetes

Prometheus

Grafana

PostgreSQL

Clickhouse

Job description

• Cloudflare’s Engineers build and operate the software that helps power 25+ million Internet properties and millions of businesses around the world
• Across our engineering organizations, we have opportunities for high caliber, curious and empathetic people to take on big challenges and build some of the best skills in the industry
• We’re looking for talented team members to help build high-growth products, help scale our expanding network, build tools to improve availability, performance, uptime, and response times, and make systems failure-resistant and ready-to-scale
• Cloudflare is a system spanning the globe, on a mission to make the Internet better, safer, and more powerful every day
• As a Software Engineer at Cloudflare, you’ll work on the code that runs close to the end user, runs at a massive scale, and is deployed to 330+ cities around the world
• We are looking for a talented Systems Engineer to join the Load Balancing team
• You will work on a range of microservices written mainly in Go
• Technologies we use include Docker, Go, PostgreSQL, Redis, gRPC, Kafka, Clickhouse and the usual Unix/Linux tools and workflows
• We strive to build reliable, fault-tolerant systems that can operate at Cloudflare’s scale
• You will join a team of bright, hard-working, and supportive engineers who are passionate about their craft, and you will be comfortable operating in a fast-paced but sane work environment
• Design, implement, and maintain the software systems that comprise Cloudflare’s Load Balancing product
• Participate in all stages of the software development lifecycle, from designing and documenting systems to writing code, automated tests, and monitoring production deployments
• Collaborate with internal teams, including security, network engineering, SRE, and product management, to design scalable solutions to difficult technical problems
• Review work from your peers throughout all stages of the development lifecycle to ensure high-quality, maintainable code
• Mentor team members and work with support teams to ensure customer delight and bring out the best in everyone
• Debug issues in complex systems and contribute to the maintenance and improvement of operational health
• Work with a wide range of technologies and programming languages, including Go, Rust, and Typescript, as well as various databases (SQL and No-SQL), Docker, and Kubernetes

Benefits

• Competitive pay: We offer a competitive total rewards package, where every employee is an owner of our stock.
• Take-what-you-need vacation: We encourage employees to find a comfortable work-life balance by taking as many days off as they need while still being able to perform their jobs satisfactorily. (We really mean it!)
• Paid maternity & paternity leave: Our global parental leave policy allows up to sixteen paid weeks of bonding leave time for all qualifying new parents.
• Employee benefits: We offer a comprehensive benefits package including healthcare, life insurance, short- and long-term disability, pension plans in accordance with the market practice in our locations.
• Commuter program: We are flexible about where we work and value connecting at the office. Our commuter benefits program is in place to support team members’ commute to work via public transportation without the extra cost burden.
• Wellbeing: Global offerings that provide mental health, childcare and family forming support to our employees across our offices.

• Experience with containerization and orchestration technologies, such as Docker and Kubernetes
• Strong interpersonal and communication skills, demonstrating empathy, teamwork and a sense of ownership
• Experience with modern Unix/Linux development and runtime environments
• Experience building and operating distributed systems
• First and foremost curiosity and critical thinking
• Experience with databases (we use PostgreSQL and Clickhouse)
• Experience with monitoring and logging tools like Prometheus and Grafana
• Strong programming skills in Go, Rust, C++, or a similar systems-level language
• Experience with monitoring, alerting and debugging high volume production systems
• 5+ years of relevant professional experience with a technology company