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 JavaScript Developer based in Brazil. This role is designed for an experienced software engineer who wants to build impactful digital solutions while working in a fully remote environment. You will contribute across the entire technology stack, developing scalable applications and delivering high-quality software experiences. The position combines hands-on engineering with opportunities to mentor others and grow toward technical leadership responsibilities. You will collaborate with talented professionals across different locations, using modern technologies and best practices to solve complex challenges. This is an opportunity for developers who value autonomy, continuous learning, and the freedom to work in a flexible environment. Your expertise will directly contribute to building reliable products while advancing your technical career. ### Accountabilities: - Design, develop, test, and maintain high-quality software solutions across frontend and backend applications. - Build scalable backend services and RESTful APIs using Node.js and modern JavaScript technologies. - Develop responsive and maintainable frontend applications using React.js, including component architecture, hooks, and state management. - Work with relational and NoSQL databases to create efficient and reliable data solutions. - Collaborate with cross-functional teams to define technical solutions and deliver high-impact features. - Participate in architectural decisions, code reviews, and continuous improvement initiatives. - Identify technical challenges and implement effective solutions aligned with business requirements. - Share knowledge, support team members, and contribute to mentoring developers as part of a technical leadership path. - Stay updated with emerging technologies and apply best practices in software development. ## Requirements: - 5+ years of professional software development experience with proven ownership of complex projects. - Strong expertise in JavaScript and TypeScript across both frontend and backend development. - Advanced experience with Node.js, backend development, and RESTful API creation. - Strong proficiency in React.js, including component design, state management, and modern frontend practices. - Experience working with relational databases and/or NoSQL database technologies. - Familiarity with cloud platforms, preferably AWS. - Ability or strong potential to mentor developers and contribute to technical leadership activities. - Bachelor’s degree or higher in Computer Science, Engineering, or a related technical field. - Strong written and spoken English communication skills. - Ability to collaborate effectively across different time zones and remote teams. - Self-driven mindset with strong problem-solving skills and the ability to work independently. ## Benefits: - Fully remote work opportunity with the flexibility to choose your preferred location and schedule. - Competitive compensation based on skills, experience, and technical expertise. - Hourly-based contract with monthly payments via wire transfer. - Opportunity to work with modern technologies and challenging international projects. - Paid training and professional development opportunities to support career growth. - Flexible working hours designed to support work-life balance. - Consistent workload with engaging and technically challenging assignments. - Recognition of strong performance through annual pay increase opportunities. - Opportunity to collaborate with a global community of remote professionals. 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