Senior Full-Stack Software Engineer, Payments

**This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior Full\-Stack Software Engineer, Payments in Brazil.** This role offers the opportunity to own and scale critical payment systems powering a global community platform. You will work across the full stack to design and implement subscription billing, invoicing, and monetization workflows that directly impact thousands of businesses. The position combines hands\-on engineering with strategic product thinking, requiring close collaboration with product, design, and leadership teams. You will be responsible for end\-to\-end delivery of payment features, including payment gateway integrations, subscription lifecycle management, and paywall optimization. The role emphasizes reliability, performance, and seamless user experiences while supporting rapid business growth. This is a high\-impact, fully remote position that offers autonomy, ownership, and the ability to shape core financial infrastructure globally. **Accountabilities** * Build and maintain the subscription billing and invoicing engine, including plan management, invoicing, proration, and lifecycle events. * Implement and scale monetization features such as paywalls, upsells, affiliate tools, and subscription settings. * Integrate global payment solutions (Stripe, PayPal, in\-app payments) across multiple currencies and business models. * Design for billing edge cases, including partial periods, legacy pricing, tax/VAT, and failed payments. * Collaborate with product, design, and leadership from early exploration through launch. * Own end\-to\-end projects, balancing speed with technical excellence and polished user experiences. * Continuously improve code quality, developer experience, and system performance. **Requirements** * 5\+ years of experience building and maintaining complex full\-stack web applications. * Advanced proficiency in Ruby on Rails, MySQL/PostgreSQL, React, TypeScript, CSS/SCSS, and TailwindCSS. * Direct experience building, scaling, or operating production subscription billing and invoicing systems. * Hands\-on experience integrating and maintaining live payment systems. * Strong product mindset with a focus on user outcomes and seamless experiences. * Senior\-level ownership mindset with the ability to lead engineering\-heavy, high\-impact initiatives autonomously. * Comfortable in fast\-paced, remote\-first environments and distributed teams. * Proficiency in English (spoken, written, and reading) at CEFR Level C2 / ILR Level 5\. * Bonus: Experience with advanced Stripe features, billing platforms (Outseta, Maxio, Metronome), community or creator tools, and polished interface development. **Benefits** * Fully remote with flexible work location. * Competitive U.S.\-benchmarked compensation and startup equity. * Paid time off: 35 days annually plus paid sabbatical after 5 years. * Comprehensive medical coverage or reimbursement options. * Parental leave for new or expanding families. * Home office stipend and learning \& development budget. * Annual bonus potential for roles without variable income. * Company retreats twice a year in global destinations. * Opportunity to work autonomously on high\-impact, globally critical systems. **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.