Senior Nestjs/Nextjs Developer

**This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Nestjs/Nextjs Developer based in Brazil.** We are seeking an experienced Full Stack Developer to join a high-impact engineering team focused on building scalable, AI-powered platforms and modern software solutions. This role combines backend expertise with frontend development, enabling the creation of reliable, high-performance applications in a multi-cloud and multi-tenant environment. You will contribute to the architecture, evolution, and delivery of platform capabilities that support innovative products and services. The position offers the opportunity to work with advanced technologies, including generative AI tools, event-driven architectures, and cloud-native solutions. You will collaborate with cross-functional teams, influence technical decisions, and help establish engineering best practices. This is an ideal opportunity for someone passionate about software innovation, platform engineering, and leveraging AI to improve development workflows. ### Accountabilities: As a Senior Full Stack Developer, you will be responsible for designing, developing, and evolving scalable applications and services while collaborating with engineering and product teams to deliver impactful solutions. - Develop and maintain backend services using Node.js, NestJS, TypeScript, and event-driven architectures. - Build modern frontend applications using Next.js, React, and TypeScript following established design and engineering standards. - Design, evolve, and optimize data models and integrations using PostgreSQL. - Develop integrations with artificial intelligence providers and platform services. - Participate in architecture discussions, technical reviews, and definition of engineering standards. - Contribute to CI/CD improvements and support application operations across Kubernetes and multi-cloud environments. - Use AI-powered development tools and agents to accelerate software delivery and improve code quality. - Collaborate with product, platform, and engineering teams to create scalable and innovative solutions. - Support the implementation of secure authentication, authorization, observability, and monitoring practices. - Contribute to the evolution of shared platforms and engineering processes. ## Requirements: The ideal candidate has strong full stack development experience, a passion for modern software architecture, and the ability to work effectively in collaborative, technology-driven environments. - Solid experience with Node.js, NestJS, and TypeScript development. - Strong experience building web applications with Next.js, React, and modern frontend technologies. - Experience with REST APIs, event-driven architectures, and messaging systems such as Kafka or similar technologies. - Strong knowledge of PostgreSQL, including data modeling and query optimization. - Experience with Docker, Kubernetes, and CI/CD practices. - Experience designing authentication, authorization, and multi-tenant architectures. - Knowledge of observability and monitoring for distributed applications. - Experience using AI development tools such as Claude Code, Cursor, or similar solutions to enhance productivity. - Technical English proficiency for documentation reading and collaboration in global environments. - Ability to contribute to technical decisions and communicate effectively with different stakeholders. **Nice-to-have skills:** - Experience with large-scale multi-tenant platforms. - Knowledge of Python and FastAPI. - Experience with Azure, AWS, or GCP cloud environments. - Familiarity with Helm, ArgoCD, and GitOps practices. - Experience with OpenTelemetry, Langfuse, or similar observability tools. - Background in Platform Engineering and shared platform development. - Knowledge of analytical data modeling. - Experience with Kotlin and Spring Boot. - Familiarity with Storybook, Design Systems, internation…