Senior Software Engineer (Backend / Product Engineering)Location: Brazil (100% remote)Contract: PJ – Long TermAbout the roleWe are looking for a Senior Software Engineer to join a high-impact team focused on building and scaling systems that power pricing, payments, and merchandising within a luxury resale marketplace. This role sits at the intersection of backend engineering and product development, supporting both customer-facing applications and internal tools used by operators and business teams.You will collaborate closely with product managers, designers, and engineering leadership to deliver reliable, scalable, and high-performing systems that directly influence key business initiatives.What You’ll DoDesign, build, and maintain scalable backend services and internal toolingContribute to user-facing applications that support listing, enrichment, and merchandising workflowsWrite clean, performant, and testable code in a production environmentParticipate in architectural decisions and help shape the future of the platformCollaborate cross-functionally with product, design, and engineering stakeholdersReview pull requests and provide constructive feedback to peersPair program and support team collaboration and onboardingDeploy code to production with a strong focus on reliability and qualityLeverage observability tools, metrics, and incident learnings to improve system performance and stabilityTech StackJava, Kotlin, Elixir, Ruby, React, TypeScript, GraphQL, Kafka, AWS (Lambda), PostgreSQL, DynamoDBWhat We’re Looking For3–5+ years of software engineering experienceStrong communication skills and ability to collaborate with cross-functional teamsExperience building production-ready, scalable, and secure systemsSolid understanding of backend development and modern web applicationsFamiliarity with RESTful APIs, Git, TypeScript, and common development toolsExperience or interest in JVM-based services (Java/Kotlin)Understanding of event-driven architectures and streaming systems (e.G., Kafka)Knowledge of database fundamentals and API design (GraphQL or similar)Passion for testing, code quality, and continuous improvementAbility to contribute to technical direction and architectural decisionsBachelor’s degree in Computer Science or equivalent practical experienceNice to HaveExperience with JVM services in production environmentsExperience with modern frontend technologies (React, TypeScript, HTML, CSS)Experience integrating LLMs or AI APIs into applications or internal toolsExperience building microservices and working across distributed systemsBackground in eCommerce platformsFamiliarity with CMS platforms (e.G., Prismic)Experience with monitoring, dashboards, and incident response