Senior Backend Engineer (Node.js)

Description The company is a leading direct-to-consumer platform for app publishers, processing more than $1B annually. As a Senior Backend Engineer you will build and evolve core backend systems — high-scale, cloud-native services that power critical business flows — with end-to-end ownership from design and architecture to production, monitoring, and continuous improvement. Responsibilities: • Design and maintain scalable, high-availability backend services in cloud-native environments. • Own features end-to-end: design, implementation, deployment, monitoring, and optimization. • Contribute to system architecture, API design, data modeling, and event-driven flows. • Write maintainable code and participate in design/code reviews. • Optimize performance, reliability, and resource usage. • Collaborate with Product on translating business requirements into technical solutions. • Mentor other engineers and improve engineering standards. Requirements Requirements (must-have): • 5+ years building scalable backend systems and end-to-end web applications. • Strong Node.js/TypeScript backend development. • Microservice architecture design and implementation; event-driven flows. • Cloud-based environments (AWS preferred). • NoSQL databases (MongoDB) and caching solutions (Redis). • Docker containerization experience. • Production-grade system architecture and software design knowledge. • Ownership mindset, strong problem-solving; startup experience valued. Nice to have: • Kubernetes experience.