Senior Full-Stack Software Engineer, Growth

**This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior Full\-Stack Software Engineer, Growth in Brazil.** This role provides the opportunity to shape and scale critical systems that directly drive user growth, engagement, and retention. You will work on end\-to\-end initiatives including billing infrastructure, trial and onboarding flows, A/B experimentation, and analytics, impacting millions of users across multiple communities. Collaborating closely with product, design, and engineering teams, you will deliver high\-quality, data\-driven features while ensuring scalability and seamless user experiences. The role offers autonomy, a fully remote work environment, and the chance to influence strategic growth initiatives that have measurable business impact. **Accountabilities** * Develop and ship full\-stack solutions, balancing speed with code quality and maintainability. * Own projects from concept through development, rollout, and measurable results. * Partner with engineers, designers, and product teams to create seamless, high\-quality member experiences. * Scale billing and subscription infrastructure to support both self\-service and sales\-led workflows. * Design and implement A/B tests to validate changes that drive acquisition, retention, and expansion. * Build and maintain analytics systems to provide actionable insights for community growth. * Implement event instrumentation and tracking to measure the impact of growth initiatives. * Maintain code quality standards, documentation, and observability best practices across projects. **Requirements** * 6\+ years of experience as a full\-stack engineer on complex web applications. * Strong proficiency in Ruby on Rails, ReactJS, TypeScript, MySQL/PostgreSQL, CSS/SCSS, and TailwindCSS. * Solid experience in both frontend and backend development, capable of building end\-to\-end features independently. * Proven track record of shipping customer\-facing or consumer\-facing experiences and solving complex technical challenges. * Strong collaboration skills, comfortable working with product, design, and go\-to\-market teams. * Experience with growth\-oriented engineering initiatives is a plus. * Familiarity with billing tools or payment infrastructure such as Stripe is advantageous. * Hands\-on experience with analytics systems and observability practices is a bonus. * Professional proficiency in English (CEFR Level C2 / ILR Level 5\). **Benefits** * Fully remote work with flexibility to operate from anywhere in the world. * Autonomy and trust to manage your own projects and priorities. * Paid time off: 35 days annually, plus a paid sabbatical after five years. * Competitive U.S.\-benchmarked compensation and startup equity. * Comprehensive medical coverage or reimbursement options where applicable. * Parental leave for parents expanding or starting a family. * Home office and professional development stipends. * Annual bonus potential for eligible roles. * Company retreats twice a year in unique international locations. **Why Apply Through Jobgether?** 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. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.