Caliza - Senior Software Engineer, DevOps
Requirements
• Strong programming skills in at least one general-purpose language, ideally Java or Kotlin, with a real track record of shipping and reviewing production code. This matters as much as your infra background, since you'll work directly in our SDLC and application codebase, not just around it. • 5+ years of experience in infrastructure, DevOps or SRE roles. • Strong experience operating production systems on AWS. • Proficiency with Kubernetes in production. • Experience with infrastructure as code (AWS CDK, Terraform or similar) and Helm. • Experience building CI/CD pipelines, ideally with GitHub Actions. • Experience with monitoring and observability tools such as New Relic. • A security-first mindset: least-privilege access, secrets management, network security. • Comfort with on-call and incident response. • Hands-on experience with AI-assisted development in your daily work, with the judgment to review and question what the tools produce. • Comfort with high autonomy and ambiguity in a fast-moving, remote startup. • Clear written communication. Most of our collaboration is async. • Experience in fintech, payments or other regulated environments. • Experience supporting SOC 2 audits, which we maintain today, or ISO 27001, which we may pursue. • Experience working in Spring Boot codebases, in Java or Kotlin. • Experience with RabbitMQ and MongoDB in production. • Experience operating identity and access management systems (e.g. Keycloak). • We use AI tools every day and expect you to as well. They make us faster at the routine parts of the work. But you own every change you ship: you understand it, test it, and can defend it in review. That matters even more for infrastructure, where a bad change can take down payments. Because we handle financial data, we follow clear rules about what code, configuration and data can go into which tools.
Responsibilities
• Maintain and evolve our Kubernetes-based infrastructure on AWS: AWS CDK for provisioning, Helm/kubectl for workload deployments. • Build and improve deployment pipelines with GitHub Actions. • Write and ship production code: infrastructure as code, internal tooling, and changes to our application services, such as instrumentation, health checks and performance fixes. • Own observability with New Relic: dashboards, alerting, and SLOs for critical payment flows. • Operate and scale our managed services, including messaging (CloudAMQP) and databases (MongoDB Atlas, PostgreSQL). • Manage secrets, access controls and identity infrastructure. • Design for high availability and disaster recovery, and lead incident response and postmortems. • Optimize AWS cost and performance. • Partner with engineering and compliance on security controls and audit readiness.
Benefits
• Benefits vary by country of employment and may include health coverage, paid time off and holidays, a home office or equipment allowance, a professional development budget, and in-person team offsites. Candidates based outside the US may be employed through an employer of record or engaged as contractors, with pay and benefits structured to local law and market practice. • Equal opportunity and other disclosures
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