Senior Platform Engineer

Permutable, London, United Kingdom

What our tracking knows about this posting

Published on 21 September 2026 ยท first appeared in our records on 21 September 2026.

Stable posting: first seen on 21 September 2026, with no abnormal reposting.

This posting shows no salary, while 22% of open postings in the same sector in this country (United Kingdom) do.

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At Permutable, we're building real-time AI systems that transform large volumes of global news, market and proprietary data into market intelligence and systematic signals for financial institutions. We're evolving our technology towards a more real-time, event-driven and agent-driven architecture and are looking for a Senior Platform Engineer to take ownership of the platform and infrastructure behind it. As a small, ambitious team, you'll work directly with our founder and engineering team and have significant influence over how our next-generation architecture is designed and built. What You'll Do Design & Scale our Platform: Build and evolve highly available production infrastructure across AWS, Kubernetes/EKS, ECS, Docker, RDS/PostgreSQL and S3. Build Event-Driven Architecture: Help move our architecture from scheduled pipelines towards real-time, event-driven services using messaging, queues, asynchronous processing and distributed systems. Build Infrastructure for AI Agents: Develop the infrastructure required to run increasingly agent-driven AI workflows reliably in production, including state management, task execution, model routing, retries and observability Support AI Infrastructure: Work closely with our AI engineers supporting production NLP, LLM and quantitative model workloads, including our in-house GPU infrastructure. Automate Infrastructure: Build and manage Infrastructure-as-Code using Pulumi and automate deployments through GitHub Actions. Own Reliability & Observability: Build monitoring, logging, tracing and alerting across our data, model, service and agent infrastructure. 7+ years of professional experience: in Platform Engineering, Infrastructure, SRE, DevOps or distributed backend engineering. Strong AWS experience , ideally including EKS/ECS, RDS/PostgreSQL, S3 and Lambda. Distributed Systems Experience: Strong understanding of event-driven architectures, messaging, asynchronous processing and distributed workflows. Infrastructure-as-Code: Experience with Pulumi, Terraform or equivalent. CI/CD & DevOps: Experience with GitHub Actions or equivalent, automated testing, deployments, monitoring and production operations. Strong Engineering Fundamentals: Python, Linux, networking, databases and cloud infrastructure. Production Ownership: Comfortable diagnosing difficult production problems and taking responsibility for critical infrastructure. Startup Mindset: Proactive, resourceful and comfortable taking ownership in a fast-moving engineering environment. Bonus : with Apache Airflow, real-time data platforms, AI/ML infrastructure, LLM agents, GPU infrastructure or financial-market systems.

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