arq - Senior Software Engineer | Platform
Requirements
• We’re looking for a world-class, hands-on Senior Software Engineer to join our Platform team who takes a software engineer’s approach to architecting and building engineering infrastructure. • Our engineering culture is focused on fully type-safe, declarative & testable infrastructure as code and we’re looking for like-minded engineers who also value these properties to join us. • We architect extreme-quality, automated systems to orchestrate hundreds of backend services & databases across tens of kubernetes clusters, tens of thousands of data processing jobs and tens of thousands of CI/CD builds per week - if that excites you, we want to talk to you. • Software Engineering Foundation: Strong background in full-cycle software development. You should be as comfortable building a customer-facing API as you are provisioning a Kubernetes cluster. • System Design: Experience driving the architecture and implementation of large-scale, distributed production systems. • Strong Programming Skills: Fluent in at least one modern typed language (e.g., TypeScript, Go, Rust, or Java). We write code, not just config. • Modern Infrastructure Stack: Hands-on experience with Kubernetes, CI/CD, and sophisticated IaC (Pulumi, Terraform, or CDK). • Security Mindset: Deep understanding of modern cyber-security attack vectors and how to bake "secure-by-default" patterns into the platform. • TypeScript Fluency: Experience with TypeScript and systems to ensure infrastructure safety. • Fintech Expertise: Experience working within regulated environments or high-compliance industries. • Data Infrastructure: Familiarity with scaling data engineering pipelines and distributed databases. • GitOps: Experience with ArgoCD or Flux for declarative, state-driven deployments. • Systems thinking - understanding how distributed systems work end-to-end • Problem-solving - methodical debugging of complex infrastructure issues • Collaboration - working with engineering teams to understand their needs • Documentation - clear runbooks, technical documentation, and knowledge sharing • Pragmatism - balancing technical excellence with practical delivery
Responsibilities
• The design and implementation of the secure, highly-available infrastructure layer that powers a modern, high-growth, financial services company. • Ensure our product engineering organisation can spin up new infrastructure in an unimpeded and rapid manner, through the careful design and implementation of shared IaC libraries, cli tools and codebase patterns. • Problem-solve, analyse and debug infrastructure issues & opportunities with members of the wider engineering team. • Strategise & execute on the rollout techniques for making sweeping infrastructure changes as we constantly integrate new best practices & security improvements into our setup. • Orchestrate multi-region infrastructure and deployments to meet security, availability and compliance requirements. • Build, maintain & optimise high-volume CI infrastructure, along with reusable pipeline templates suitable for a microservices architecture. • Implement GitOps workflows for declarative application deployments. • Improve application monitoring and alerting with Datadog, Prometheus, and Grafana.
Benefits
• Competitive salary commensurate with experience • Sign-on stock options bonus • Discretionary performance bonus (stock options) • Paid annual leave • Own the platform that directly impacts customer experience • Work with modern DevOps practices and cutting-edge technology • Strong team focused on continuous learning and knowledge sharing • Influence technical direction and architecture decisions
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