Principal Engineer

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Kevel is seeking a mid-level full-time remote engineer based in Brazil to work on the Delivery team responsible for maintaining and enhancing Kevel's ad serving platform. The role involves evolving the ad decision pipeline, improving platform architecture for scalability and reliability, collaborating with product management on new features, ensuring 24/7 operational uptime, and working with customer success teams. Candidates must have experience building and operating distributed systems in cloud environments, strong backend programming skills in languages such as Clojure, Rust, Node.js, Java, Kotlin, Scala, or other JVM languages, experience with latency-sensitive systems, HTTP APIs, databases, and be comfortable with on-call rotations. Preferred skills include AWS/GCP experience, infrastructure as code tools, event streaming, observability platforms, testing, and refactoring distributed systems. Benefits include fully paid medical coverage, retirement plans, unlimited PTO, paid holidays, annual company retreat, home office stipend, parental leave support, and free press benefits. Salary range is R$350,000 to R$395,000, determined by location and experience.