Job Summary: We are seeking a Senior Fullstack or Backend Developer with experience in scalable systems and microservices architectures for a strategic role in architectural definition and technical evolution. Key Highlights: 1. Strategic role in architectural definition and critical decision-making 2. Technical leadership in the development and evolution of scalable APIs 3. High autonomy and technical influence within the team We are looking for a Senior Fullstack or Backend Developer with solid experience developing scalable systems and consistent involvement in modern architectures, preferably microservices-oriented. This professional will play a strategic role within the technical team, actively contributing to architectural definition, critical decision-making, and the advancement of engineering best practices. High autonomy, systemic thinking, and the ability to exert technical influence on the team are expected. **Key Responsibilities** -------------------------------- * Provide technical leadership in the development and evolution of highly scalable APIs and backend services * Define and evolve software architectures (microservices, messaging, caching, observability, etc.) * Serve as a technical reference for the team, supporting mid-level and junior developers * Actively participate in technical design decisions and standard definition * Ensure code quality, test coverage, and engineering best practices * Conduct and qualify code reviews * Identify and mitigate technical risks (performance, security, scalability) * Contribute to strategic decisions related to infrastructure and cloud * Collaborate closely with Product, Design, and Mobile teams * Assume end-to-end ownership of technical deliverables **Primary Tech Stack** ------------------- * Advanced experience with **TypeScript and Node.js** * Solid experience with **React.js** * Mature hands-on experience with **GitHub** (PR workflow, structured code review, versioning) * Practical production experience with **Go (Golang)** **Technical Differentiators** ------------------------- * Consistent application of best practices (Clean Code, SOLID, TDD) * Solid experience with ORMs and data modeling * Experience with databases: + Relational (MySQL) + Non-relational (MongoDB) * Experience with Redis (caching, invalidation strategies) * Experience with RabbitMQ or other message brokers * Experience with Docker and containerization * Hands-on experience in cloud environments (preferably GCP) * Knowledge of observability (structured logging, metrics, tracing) **Expected Technical Profile** --------------------------- We seek a developer with strong specialization in Node.js, prior experience in PHP, and exposure to projects involving React Native—especially in backend-mobile integration scenarios. It is essential that the candidate: * Makes technical decisions confidently and with long-term vision * Designs solutions considering scalability, security, and maintainability * Anticipates architectural issues and proposes continuous improvements * Deeply understands API performance impacts * Considers mobile experience when defining backend contracts and architecture * Thinks systemically, accounting for product and business impacts **Education** ------------ * Bachelor's degree in Computer Science, Engineering, Information Systems, or related fields * Equivalent proven experience in complex software engineering projects **Behavioral Profile** ------------------------- We seek a professional with high technical maturity, ownership mindset, and capacity for informal technical leadership. It is expected that the candidate operates with a high degree of autonomy, influences best practices within the team, and contributes to the continuous evolution of engineering—without requiring constant direction.