Senior Backend Engineer - Invoices & Taxes - IT Location: Sudeste, BrazilResponsibilities:Propose and implement complex architectural solutions collaboratively, ensuring transparency in task progress without constant monitoring.Participate in the entire development cycle, from refining and prioritizing initiatives to code review, testing, and documentation, always applying best practices that ensure quality, security, and system performance.Guide junior colleagues and contribute to team growth by sharing knowledge and reviewing code.Work with microservices architecture, ensuring scalability, high availability, and high performance, while observing business and systemic metrics.Manage relational and non-relational databases, maintaining quality and performance in high-traffic systems.Identify and propose continuous improvements in backend, seeking value for technical and business areas while collaboratively enhancing the product.Requirements:Proficiency in object-oriented programming in Java, Kotlin, and/or Golang.Knowledge of development best practices (SOLID, KISS, hexagonal architecture, clean architecture, design patterns).Familiarity with observability tools (Datadog, New Relic, Kibana, Grafana), infrastructure components (queues, streams, SQL/NoSQL databases, cache, configurations, secrets, jobs, consumers, locks), and resilience techniques (retry, circuit-breaker, DLQ, rate-limit, defensive cache).Experience in designing event-driven solutions.#J-18808-Ljbffr