Senior Backend / Infrastructure Engineer

- Design and evolve distributed systems to support 10x growth in session volume

- Improve throughput, fault tolerance, and system resilience across the core pipeline

- Build scalable data pipelines and processing infrastructure

- Strengthen observability, monitoring, and incident response

- Collaborate with AI and product teams to ensure the underlying systems can support new capabilities at scale

- Have scaled systems handling high throughput or real-time processing

- Are comfortable with distributed architectures and failure modes

- Have strong backend fundamentals: databases, queues, concurrency, APIs

- 5+ years of professional software engineering experience with a backend/infrastructure focus

- Experience building and scaling data-intensive applications and pipelines

- Strong understanding of distributed systems, concurrency, and database internals

- Proven track record of improving system reliability and performance in production