Backend Engineer - Extensions

📋 Description Own the reliability, performance, and scalability of Extensions end to end Design and build distributed workflows that are efficient and observable Collaborate with Data Scientists to translate requirements into engineering Identify and resolve bottlenecks to meet latency and throughput needs Contribute to architectural decisions for Extensions within NEXUS Write clean, well-tested Python code and maintain quality across the team 🎯 Requirements 5+ years of backend engineering experience, with a strong focus on Python Excellent Python skills - you write clean, idiomatic, well-tested code Solid experience designing and operating distributed systems at production scale Strong understanding of concurrency, task execution, and workflow orchestration Experience building systems that are reproducible, observable, and easy to debug Strong ownership mindset - drive work end to end and care about outcomes 🎁 Benefits Competitive compensation with salary and equity Comprehensive health coverage for you and your dependents Paid parental leave for all new parents, inclusive of adoptive and surrogate journeys Relocation support for employees moving to join the team in one of our office locations Mission-driven culture with ownership and bias toward action