Senior Platform Engineer (f/m/d)

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Description

At Moss, we give finance professionals the power to automate their day-to-day and make forward-thinking decisions. Our team and culture make us unique — we’re driven by impact and growth, where every one of us strives to learn and excel. Recognised by Sifted’s Rising 100 and LinkedIn's Top Startups , we’re here to help propel your career and together, make Moss a lasting success. As a Senior Platform Engineer , you will join our core Platform team that designs, builds, and maintains the infrastructure powering Moss. You will work on critical systems that must be updated without downtime , ensuring our services remain secure, scalable, and resilient. You’ll collaborate closely with product, data, and security teams, balancing planned initiatives with incident response, cloud engineering, and regular maintenance. Your responsibilities Design, build, and operate cloud-native infrastructure (GKE, Kubernetes, networking, databases) supporting a high-availability, low-latency FinTech platform processing real-time payments across Europe. Own the reliability and scalability of 100+ microservices - including defining and enforcing SLOs, managing autoscaling strategies, and driving resilience patterns like circuit breakers, bulkheads, and graceful degradation. Lead safe, continuous deployment practices across a fully automated CD pipeline - including rollout strategies, rollback mechanisms, and deployment observability at scale. Drive observability across the platform - metrics, distributed tracing, and structured logging - with a focus on reducing MTTR and enabling engineers to self-serve incident diagnosis. Manage and evolve infrastructure-as-code (Terraform, Helm) with a no-ClickOps discipline - every change peer-reviewed, version-controlled, and auditable. Champion security and compliance practices including Zero Trust architecture, Workload Identity, dynamic secrets via Vault, network policies, and audit readiness (ISO27001, SOC2). Own incident response across networking

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