Principal Infrastructure Engineer

Sezzle · Türkiye, RemoteRemoto$1,042–$1,733 USD/meslead

En corto

▸Diseñar y escalar la infraestructura crítica de Sezzle en AWS con Kubernetes y bases de datos Aurora.
▸Resolver problemas de rendimiento, latencia y resiliencia con enfoque en operaciones de producción y gestión de incidentes.
▸Liderar iniciativas técnicas con impacto directo en la confiabilidad, eficiencia y experiencia del cliente.

No se requiere inglés explícitamente, pero el puesto implica trabajo con documentación téc

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¿Qué piden?

✓12+ años de experiencia en ingeniería de infraestructura
✓Experiencia profunda con AWS, Kubernetes y Aurora RDS (MySQL y Postgres)
✓Capacidad para operar en turnos de soporte y liderar recuperaciones de incidentes
✓Habilidades sólidas en debugging de sistemas en producción con logs, métricas y trazas
✓Experiencia en infraestructura como código y automatización de operaciones
✓Capacidad para conectar decisiones técnicas con resultados de negocio y experiencia del cliente

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AWSKubernetesAurora RDSMySQLPostgresInfrastructure-as-CodeLogsMetricsTracesAI-assisted tooling

¿A quién escribirle en Sezzle?

Tu dossier gratis identifica a las personas que te entrevistarían — con su background, qué valoran y cómo escribirles para destacar antes de aplicar.

About Sezzle: With a mission to financially empower the next generation, Sezzle is revolutionizing the shopping experience beyond payments, blending cutting-edge tech with seamless, interest-free installment plans that make shopping smarter and more accessible. We’re not just transforming payments; we’re redefining how people discover, interact with, and purchase the things they love while driving real impact on merchant sales through increased conversions and higher order values. As we continue to shape the future of fintech and retail, we’re building an innovative, dynamic team passionate about creating more than just a transaction but a truly unique shopping journey. If you’re excited about pushing boundaries in tech and delivering a game-changing experience for consumers and merchants alike, come join us at Sezzle and help create the future of shopping! Compensation : For this principal development role, with 12+ years of experience, the compensation range is $12,500 - $20,800 USD based on location and experience level per month and in gross amount. This range acknowledges the extensive expertise, leadership capabilities, and significant contributions expected at this level, offering a competitive salary to reflect the value of advanced skills and experience About the Role: We are seeking an exceptional Principal Infrastructure Engineer to design, build, operate, and scale the platform that powers Sezzle. Your focus will be the hardest infrastructure problems: increasing throughput, reducing latency, removing capacity bottlenecks, strengthening resilience, and making production operations more automated and predictable as the business grows. You will own complex technical initiatives from architecture and prototyping through implementation, production rollout, and ongoing operation. Your impact will come from the systems you build, the problems you solve, and measurable improvements in reliability, performance, and cost efficiency. Our stack runs on AWS , with workloads orchestrated on Kubernetes and data anchored in Aurora RDS (MySQL and Postgres) . You should know these technologies deeply and be comfortable moving between cloud architecture, networking, cluster internals, database performance, and application behavior to understand how the entire system scales. You will write code and infrastructure-as-code, debug production systems, and deliver changes that hold up under real traffic and failure conditions. Operational ownership is part of the job. You will participate in the on-call rotation and take a hands-on role in recovering from major incidents, including full outages. We need someone who can form and test hypotheses using logs, metrics, and traces, make sound mitigation decisions with incomplete information, and turn incident findings into lasting engineering fixes. You will also build and apply AI-assisted infrastructure and SRE tooling for incident investigation, capacity analysis, runbook automation, and toil reduction. You will evaluate these tools through practical results and apply appropriate access controls, validation, and auditability to their use in production. This role reports to engineering leadership and works closely with application engineers, Security, and Compliance. You will develop a deep understanding of how Sezzle's business operates and how customer journeys, transaction patterns, and product decisions shape infrastructure demand and behavior. You will use that understanding to identify and deliver improvements across teams and technical domains, connecting infrastructure decisions to better customer outcomes and business performance. What you’ll do:

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