Senior Platform Engineer

1. /2. /3. Senior Platform EngineerHiring NowEngineering# Senior Platform EngineerFull-timeLondon, UK (Remote-friendly)KubernetesC# .NETPostgreSQLTerraformThe RoleWe're looking for a Senior Platform Engineer to join the core team building the infrastructure and services that power the Anythink platform. This is a foundational engineering role - you'll work across the full platform stack, from the Kubernetes infrastructure and Terraform configuration that underpins every customer deployment, to the APIs, data pipelines and developer-facing features that make Anythink fast to build on. You'll have a significant impact on product direction. We're a small team that ships fast, and the right person will help us scale both the platform and the team around it. Designing, building and maintaining the Kubernetes-based multi-tenant infrastructure that powers customer projects at scale Improving and extending the dynamic query builder that is the heart of our API generation engine: the core feature that turns database models into secure, production-ready REST APIs Building and scaling platform services: authentication (Magic Link, OAuth, SSO), file storage and CDN delivery, full-text search, workflow automation engine, and Stripe payment integrations PostgreSQL schema design, query optimisation, and database infrastructure (replication, backups, performance) Developer experience tooling: improving how quickly new customers can get from signup to their first API call Security architecture: row-level security, field-level access control, enterprise SSO, audit logging Infrastructure as code with Terraform, maintaining reproducible and scalable deployment patterns Collaborating with the founder on platform architecture decisions and product roadmap Strong experience with Kubernetes in production: cluster management, workload scaling, networking, observability Comprehensive experience with C# .NET Deep PostgreSQL knowledge: schema design, indexing, query optimisation, RLS Infrastructure as code with Terraform (or equivalent) Experience building and operating multi-tenant SaaS platforms Solid understanding of API design and REST semantics Comfortable owning backend services end-to-end: you write the code, you run it in production Strong security fundamentals: you think about auth, data isolation, and access control as core requirements, not afterthoughts Experience building developer tools or developer-facing platforms Familiarity with search engine integration (Elasticsearch, Typesense, Meilisearch or similar) Background in BaaS, PaaS or cloud infrastructure products TypeScript / Node.js experience Experience with Stripe Connect or complex payment platform integrationsWhat we offer Work on a product that thousands of developers and businesses depend on Direct collaboration with the founder - no layers of management between you and decisions Significant technical ownership and autonomy Competitive salary depending on experience Remote-friendly (UK-based team) Equity Options Budget for equipment and professional developmentHow to ApplySend a short note about yourself and what you've worked on to with the subject line Senior Platform Engineer. We don't require a formal cover letter. We want to understand what you've built and how you think about platform engineering at scale.Apply for this role