Full Stack Developer evolving internal tools and technical platforms for Grupo Four. Working on both frontend and backend with modern technologies.
Responsibilities
Develop and evolve internal tools and technical platforms, working on both frontend and backend
Understand technical scenarios, diagnose issues and propose effective solutions
Develop and maintain REST APIs using Node.js and NestJS, ensuring well-defined contracts and code quality
Build internal interfaces using Next.js and React
Collaborate with multidisciplinary teams to ensure application stability, scalability and ongoing evolution
Support the evolution of the Developer Experience (DX), contributing to standards, best practices and automations
Contribute to automated testing, ensuring code reliability and maintainability
Work on CI/CD pipelines, deployment automation, monitoring and logging
Intervene in environments and databases when necessary, supporting technical analysis and fixes
Run scripts, make API calls and support data extractions for the business
Identify, propose and implement technical improvements in maintenance tasks and new projects
Ensure technical documentation and onboarding materials are kept up to date
Support the definition of architecture standards, code quality and information security
Implement integrations via REST APIs and webhooks
Use AI tools and agents as part of the daily development workflow, including critically validating AI-generated code during code reviews to ensure quality, security and adherence to project standards
Requirements
Bachelor's degree (completed or in progress) in Internet Systems, Computer Science or related fields
Strong experience with TypeScript and Node.js
Experience with backend development using NestJS
Experience with frontend development using Next.js and React
Experience with REST APIs and system integrations
Experience with SQL and NoSQL databases, including modeling and query optimization (MySQL, PostgreSQL, MongoDB)
Knowledge of code versioning with Git and experience using Docker and CI/CD
Experience with automated testing (unit and integration tests)
Knowledge of security best practices, including data protection, secure authentication and encryption
Experience with Apache Kafka or similar message brokers (RabbitMQ, AWS SQS)
Good communication skills, analytical thinking and a collaborative attitude
Ability to work autonomously, in an organized manner and results-oriented
Ability to elicit and refine requirements with technical and business stakeholders
Familiarity with AWS (S3, SQS, Secrets Manager, EKS)
Ability to critically validate AI-generated code, applying Clean Code principles, SOLID and architectural patterns
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