This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Fullstack Developer (Node.js/React) based in Brazil. This role is designed for an experienced Fullstack Developer who wants to build scalable, high-impact digital solutions in a technology-driven environment. You will work on complex applications using modern frontend and backend technologies, contributing to architecture decisions and engineering excellence. The position combines hands-on development with technical influence, enabling you to shape solutions, improve performance, and drive innovation. You will collaborate with multidisciplinary teams while applying best practices in software engineering, cloud technologies, and DevOps. The role offers the opportunity to work with distributed systems, automation, and AI-powered development approaches. You will be part of a collaborative culture where knowledge sharing, continuous learning, and technical growth are strongly encouraged. ### Accountabilities: The Senior Fullstack Developer will design, develop, and maintain robust applications while contributing to technical strategy, engineering quality, and continuous improvement across software solutions. - Design, develop, and support complex applications using React, Next.js, TypeScript, Node.js, and related technologies. - Build modern distributed applications based on microservices architectures and event-driven solutions using messaging platforms such as Kafka and similar tools. - Contribute to technical decisions, support architecture discussions, manage technical debt, and implement valuable refactoring initiatives. - Ensure application quality, security, and stability through DevSecOps practices, automated testing, and engineering best practices. - Perform code reviews to maintain high-quality standards and promote continuous improvement within development teams. - Design, implement, and optimize CI/CD pipelines for automated builds, testing, and cloud deployments. - Identify and resolve performance, scalability, and reliability challenges across applications. - Create and maintain technical documentation for solutions, processes, and architectures. - Stay current with emerging technologies and recommend improvements to development practices. - Share knowledge about software engineering best practices, new technologies, and AI-powered development approaches with teams and stakeholders. - Apply artificial intelligence tools and methodologies to accelerate development workflows and improve delivery efficiency. ## Requirements: The ideal candidate has strong fullstack development experience, advanced knowledge of modern web architectures, and the ability to work independently while collaborating with technical and business teams. - Proven experience with TypeScript, Node.js, React, Next.js, NestJS, Express, and similar technologies. - Advanced knowledge of microservices architectures and API design, including RESTful and/or GraphQL APIs. - Experience with caching strategies, system optimization, and performance improvements. - Hands-on experience with cloud services, especially AWS solutions such as EKS, S3, and API Gateway. - Strong knowledge of relational databases (MySQL, PostgreSQL) and non-relational databases (MongoDB, Redis), including query optimization techniques. - Experience with DevOps practices and CI/CD tools. - Experience with messaging systems and event-driven communication patterns. - Familiarity with Agile methodologies such as Scrum and Kanban. - Experience with test-driven development (TDD/BDD) and automated testing frameworks. - Ability to work in large-scale development environments is a plus. - Knowledge of observability, resilience techniques, and monitoring tools is desirable. - Strong communication skills, autonomy, problem-solving ability, and ownership mindset. ## Benefits: - Health and dental insurance. - Food and meal allowance. - Childcare assistance. - Extended parental leave. - Wellness partnerships with fitness platforms and health professionals. - Profit-sharing program. - Life insurance. - Continuous learning opportunities through internal education platforms. - Discounts through partner programs. - Access to online platforms focused on physical, mental, and overall well-being. - Pregnancy and responsible parenting support programs. - Partnerships with online learning platforms. - Language learning opportunities. - Additional benefits and development initiatives. - Remote work flexibility, with office presence required for candidates located in the Campinas metropolitan region according to applicable policies. 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?](https://jobgether.com/how-jobgether-works) 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