Sr Full Stack Engineer, Platform Services

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Full Stack Engineer, Platform Services based in the United States. This is a senior-level engineering opportunity focused on building and evolving a cloud-native platform that brings together data and services from multiple domains. You’ll work across the full stack, combining modern React and TypeScript development with AWS-based backend and API architecture. The role offers significant ownership over scalable, secure, and high-performing platform capabilities. You’ll design integration patterns, improve reliability and observability, and contribute to architectural direction. Collaboration spans engineering, product, security, operations, and specialized domain teams. You’ll also mentor engineers, champion technical excellence, and help introduce emerging technologies, including AI-enabled solutions. The environment is remote-first, fast-paced, mission-driven, and focused on delivering dependable digital experiences at scale.