Mercari is hiring a Sr. Software Engineer, Backend

Senior Software Engineer, Backend US Remote Mercari is Your Digital Marketplace. Our platform enables effortless selling and buying of pre-owned items across various categories. We empower users to transform unused possessions into cash, covering everything from fashion to electronics. Our mission centers on simplifying the selling process, with over 50 million downloads and nearly 500,000 daily listings. Our Engineering team develops sophisticated, scalable software systems capable of supporting millions of users with production-grade deployment, monitoring, and reliability. You'll be instrumental in designing, developing, testing, and maintaining mission-critical backend infrastructure. We seek professionals passionate about creating secure systems with direct user impact, who excel at solving complex performance challenges and architectural intricacies while demonstrating collaborative, empathetic leadership. The Senior Backend Software Engineer plays a crucial role in constructing and optimizing our marketplace's technological backbone. This position demands expertise in developing high-performance microservices, collaborating cross-functionally, and implementing cutting-edge backend development methodologies. Profound knowledge of Go, PHP, distributed systems, and microservices architecture is essential. What you'll be doing: - Spearhead development of intricate backend features like payment processing and inventory management - Architect scalable backend systems utilizing microservices and event-driven designs - Establish technical standards and best practices for backend development - Mentor engineering teammates through comprehensive code reviews and technical presentations - Collaborate with product and frontend teams to define technical requirements - Enhance backend performance through database optimization and strategic caching - Contribute to long-term platform technology roadmap and strategic decision-making - Lead architectural reviews for significant system enhancements What you'll need: - Computer Science or related degree (Bachelor's level) - Minimum 8 years backend development experience - Proven track record managing large-scale distributed systems - Advanced microservices and service mesh implementation expertise - Demonstrated performance optimization capabilities - Proficiency with modern deployment technologies - Expert-level Go and PHP ecosystem knowledge - Strong architectural design capabilities - Advanced understanding of backend performance optimization techniques - Comprehensive AI workflow and tooling expertise - Outstanding technical leadership and mentoring skills Compensation varies based on geographic location, with three distinct salary zones: - Zone 1: $168,000-$252,000 - Zone 2: $151,200-$226,800 - Zone 3: $134,400-$201,600 Why Mercari: We offer an environment balancing impactful innovation with organizational stability. Our culture encourages calculated risk-taking, supported by comprehensive team and organizational backing. As we expand, we create opportunities for professional growth, providing access to emerging technologies and continuous learning platforms. Total Rewards: - Flexible US remote work arrangements - Comprehensive wellness and insurance programs - Continuous professional development opportunities - Holistic compensation strategy - Collaborative, supportive team culture