We are seeking a Senior Backend Engineer to design, build, and maintain shared backend platforms, services, and products operating at significant scale. You will use AI-assisted coding tools and collaborate with engineering, data science, product, design, and business partners to deliver reliable, high-quality software. Enterprise experience is strongly preferred. Key Responsibilities • Design, build, and maintain scalable, reliable, and high-performance software systems. • Contribute to system architecture and technical design, validating solutions through data and experimentation where appropriate. • Participate in code and design reviews to uphold high engineering standards. • Own and support applications during business hours, ensuring system health and reliability. • Use metrics, logging, and analytics to make data-informed decisions and improve system performance. • Collaborate across engineering, product, data science, and design teams to deliver effective solutions. • Contribute to cross-team initiatives and support other engineers through mentorship and knowledge sharing. Must-Have Skills • A bachelor's degree in Computer Science, Mathematics, Computer Engineering, Electrical Engineering, or a related field with at least 2 years of related experience; or an advanced degree with no prior experience. • Proficiency in one or more modern backend programming languages, such as Java, Kotlin, or similar. • Experience building and operating large-scale, high-performance, and resilient systems. • Excellent communication and collaboration skills in English, with the ability to work effectively across teams. • Curiosity and a willingness to learn, adapt, and take on new challenges. Required Tools & Platforms • One or more modern backend programming languages, such as Java, Kotlin, or similar. • AI-assisted coding tools; no specific product is prescribed. • Metrics, logging, and analytics tools; no specific platform is prescribed. Location, Time & Engagement • Candidates must be based in an eligible LATAM location. • Working-hour coverage aligned with U.S. Central or Pacific Time is required.