Site reliability engineer (UK) in London

WRITER is where the world's leading enterprises orchestrate AI-powered work. Our vision is to expand human capacity through superintelligence. With WRITER's end-to-end platform, hundreds of companies like Mars, Marriott, Uber, and Vanguard are building and deploying AI agents that are grounded in their company's data and fueled by WRITER's enterprise-grade LLMs. Founded in 2020 with office hubs in San Francisco, New York City, Austin, Chicago, and London, our team thinks big and moves fast, and we're looking for smart, hardworking builders and scalers to join us on our journey to create a better future of work with AI.

At WRITER, our mission to expand human capacity with superintelligence relies on a foundational truth: our platform must be available, performant, and reliable, 24/7. As a site reliability engineer, you'll be at the heart of making this a reality, impacting every enterprise customer who trusts us with their AI-powered workflows. You'll build resilient systems, automate across the stack, and champion reliability best practices, directly enabling our ambitious product roadmap and ensuring our customers always have access to the powerful tools they need. This is a hybrid position, based out of our New York City or London hubs.

What you'll do:

• Automate operational tasks and infrastructure management by developing robust tools and platforms using Python, Go, or similar languages.
• Design and implement scalable, fault-tolerant infrastructure solutions on public cloud providers (AWS, GCP, Azure).
• Own the reliability, performance, and efficiency of WRITER’s core services, defining and upholding stringent Service Level Objectives (SLOs) and Error Budgets.
• Own the observability stack for monitoring, logging, and alerting systems.
• Lead incident response, post-mortems, and root cause analyses.
• Collaborate closely with product and engineering teams, providing expert guidance on system design for reliability, performance, and scalability.

What you need:

• A solid 7+ years of experience in site reliability engineering, DevOps, or a similar role.
• Deep expertise with cloud platforms (AWS strongly preferred), containerization technologies like Docker and Kubernetes, and Infrastructure-as-Code tools such as Terraform.
• Strong proficiency in programming languages such as Python, Java, Go.
• Knowledge of monitoring and logging tools (e.g., Prometheus, Grafana, ELK Stack).
• Demonstrated ability to challenge the status quo and propose innovative solutions.
• Excellent communication, collaboration, and problem-solving skills.
• A strong sense of ownership and accountability.

Benefits & perks (UK full-time employees):

• Generous PTO, plus company holidays.
• Comprehensive medical and dental insurance.
• Paid parental leave for all parents (16 weeks).
• Fertility and family planning support.
• Early-detection cancer testing through Galleri.
• Competitive pension scheme and company contribution.
• Annual work-life stipends for wellness and learning.
• Company-wide off-sites and team off-sites.
• Competitive compensation and company stock options.