Senior Fullstack (Node/React) Developer

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior Fullstack (Node/React) Developer in Brazil.

This role is an opportunity to join a high-performing engineering environment focused on building scalable, cloud-native web applications using modern JavaScript ecosystems. You will work across both frontend and backend layers, contributing to the design and delivery of robust, high-traffic systems. The position emphasizes strong engineering practices, including testing, performance optimization, and clean architecture. You will collaborate closely with cross-functional teams in an agile setup, helping shape technical decisions and product features. The role also involves working with microservices-based architectures and cloud platforms, particularly Google Cloud. Exposure to AI-driven solutions is considered a strong plus. Candidates based in the Campinas Metropolitan Region should be aware that periodic on-site presence is required.

Accountabilities:

• Develop and maintain scalable web applications using JavaScript, React, and Node.js, ensuring performance, reliability, and maintainability.
• Design and implement RESTful and/or GraphQL APIs, focusing on scalability, security, and efficiency.
• Collaborate with product, design, and engineering teams to define and deliver new features in an agile environment.
• Architect and support microservices-based systems, ensuring smooth integration and communication between services.
• Apply performance optimization techniques such as caching strategies, monitoring, and query tuning.
• Implement and promote automated testing practices (TDD/BDD) and maintain high code quality through reviews and standards.
• Work with Docker, messaging systems (Kafka, RabbitMQ), and cloud environments (preferably GCP) to build scalable infrastructure.

Requirements:

• Strong experience as a Fullstack or Backend Developer with Node.js, combined with solid expertise in React.
• Deep understanding of microservices architecture, API design (REST/GraphQL), and distributed systems.
• Hands-on experience with cloud platforms (GCP, AWS, or Azure), preferably GCP.
• Strong knowledge of databases (SQL and NoSQL such as MongoDB, Redis) and query optimization techniques.
• Experience applying performance tuning, caching strategies, and system scalability practices.
• Familiarity with CI/CD pipelines, Git, and Agile methodologies.
• Knowledge of state management (Redux or similar) and reactive programming concepts (RxJS, Observables).
• Ability to design maintainable systems and solve complex technical problems independently.
• Strong communication skills with the ability to explain technical concepts clearly.
• Nice to have: experience with NestJS, Next.js, Tailwind CSS, Design Systems, and AI-related development.

Benefits:

• Health and dental insurance coverage
• Meal and food allowance
• Childcare assistance
• Extended parental leave policies
• Partnerships with wellness and fitness platforms (Wellhub / TotalPass)
• Profit sharing program (PLR)
• Life insurance coverage
• Continuous learning platform and training resources
• Discounts and partner benefits club
• Online wellness platform supporting physical and mental health
• Parenting and pregnancy support programs
• Language learning platform access
• Additional learning and development opportunities.

How Jobgether works: We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team. We appreciate your interest and wish you the best!  Why Apply Through Jobgether?    Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.     #LI-CL1