FullStack Senior developing end-to-end React and Node functionalities for Riachuelo’s diverse ecosystem. Responsible for APIs, integration, and maintaining performance and quality.
Responsibilities
Develop and evolve end-to-end features, working autonomously on both frontend (React) and backend (Node.js).
Design, implement and maintain GraphQL APIs, ensuring scalability, performance and alignment with product needs.
Consistently define and evolve schemas, queries, mutations and resolvers, following best practices and considering impact on the ecosystem.
Work occasionally with REST APIs, particularly for maintenance, legacy integrations or specific requirements.
Ensure efficient integration between frontend, backend and database, with a focus on quality, security and performance.
Build reusable, responsive and high-performance interfaces, prioritizing user experience and maintainability.
Identify, fix and prevent bugs, and propose continuous improvements to performance, stability and observability.
Actively participate in code reviews, contributing to code quality and the team’s technical growth.
Participate in agile rituals, collaborating on technical estimates, refinements and planning.
Work closely with Product, UX and QA to help translate business requirements into robust technical solutions.
Support technical decisions, impact analysis and the definition of approaches for more complex tasks.
Requirements
Practical expertise in Node.js (Express, NestJS or similar).
Consistent experience with React.js (Hooks, Context API, Redux or equivalent approaches).
Solid experience with GraphQL, including schema definition and evolution, implementation of queries, mutations and resolvers, and efficient frontend integration.
Advanced knowledge of JavaScript (ES6+) and/or TypeScript.
Experience with relational and/or non-relational databases, understanding modeling and performance implications.
Knowledge of REST APIs, even if not the primary focus of day-to-day work.
Practical experience with automated testing and a strong focus on quality.
Experience with Git in collaborative environments.
Basic knowledge of cloud environments and deployments.
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