987A: Senior Back-End Developer

Description

Job Summary: Work as a Senior Back-End Developer focused on iPaaS integrations at the core of the platform, building and evolving connectors, robust APIs, and orchestration. Key Highlights: 1. Working on the company's central integration system 2. Building and evolving robust iPaaS connectors and APIs 3. Working with event-driven architecture and microservices ### **Senior Back\-End Developer \| Integrations (iPaaS)** **Work model:** Remote (with one in-person visit every 15 days at Av. Paulista) **Location:** Candidates only from São Paulo (Capital, Greater São Paulo, or interior) ### **About the opportunity** You will work on the company's central integration system — the true heart of the platform. This is where customers connect their ERPs, WMSs, marketplaces, and legacy systems. * ⚠️ Important: This position is **not part of the SalesApp squad**. The focus here is entirely on **platform, APIs, and integration orchestration**. ### **Initial challenge (first 90 days)** * High volume of integrations to develop * Learning curve for the platform * Need for rapid adaptation and high-quality delivery ### **️** **Main responsibilities** * Build and evolve integration connectors on Kruzer's iPaaS * Design and implement robust APIs for customers and partners * Work with event-driven architecture, message queues, and asynchronous processing * Ensure performance and resilience under high-volume scenarios * Collaborate with the DevTools team on API governance and documentation * Support enterprise customers during integration processes ### **Technical requirements** **Mandatory:** * Strong back\-end experience with typed languages (preferably Node.js with TypeScript) * Experience with RESTful APIs and/or GraphQL * Hands-on experience with messaging and queues (RabbitMQ, Kafka, or similar) * Experience with microservices * Basic knowledge of containers (Docker / Kubernetes) * Ability to quickly understand third-party API contracts **Nice to have:** * Experience with iPaaS platforms (MuleSoft, Dell Boomi, Zapier, or similar) * Experience integrating ERPs (SAP, TOTVS, etc.) or e\-commerce systems * Knowledge of observability (structured logging, distributed tracing, alerts) ### **Behavioral profile** * Investigative mindset (especially with poorly documented systems) * High tolerance for ambiguity * Clear technical communication (interaction with enterprise customers) * Proactivity and solution orientation * Ability to manage multiple integrations simultaneously