fundamental - Backend Engineer - Extensions
Requirements
• 5+ years of backend engineering experience, with a strong focus on Python • Excellent Python skills - you write clean, idiomatic, well-tested code and know the language deeply • Solid experience designing and operating distributed systems at production scale • Strong understanding of concurrency, task execution, and workflow orchestration patterns • Experience building systems that are reproducible, observable, and easy to debug in production • Ability to work closely with non-engineering counterparts and translate complex requirements into reliable implementations • Strong ownership mindset - you drive work end to end and care about outcomes, not just output • Hands-on experience with workflow orchestration systems such as Temporal, Dramatiq, Celery, or equivalent • Familiarity with ML infrastructure or experience working alongside data science teams • Experience with high-throughput data processing pipelines • Exposure to Kubernetes and container-based deployment environments • Background in performance profiling and optimization of Python services
Responsibilities
• Own the reliability, performance, and scalability of Extensions capabilities end to end • Design and build distributed workflows that are efficient, reproducible, and observable in production • Collaborate closely with Data Scientists on the team to deeply understand requirements and translate them into engineering decisions • Identify and resolve performance bottlenecks, ensuring Extensions capabilities meet the latency and throughput demands of enterprise deployments • Contribute to architectural decisions around how Extensions integrates with the broader NEXUS backend • Write clean, well-tested Python code and hold a high bar for code quality across the team • Contribute to internal engineering documentation and help establish best practices for backend development within the team
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 • A mission-driven, low-ego culture that values diversity of thought, ownership, and bias toward action
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