Software Engineer Backend Platform

Build and maintain Hex's core compute platform for code execution, SQL querying, and data processing. Design APIs, optimize performance, develop caching and dependency systems, instrument complex applications, and contribute across backend data systems and the collaborative notebook interface.

Responsibilities

• Use DuckDB to enable interoperability between Python and SQL
• Build caching systems to accelerate customer data queries
• Implement graph-based dependency frameworks for execution plans
• Instrument multi-language systems to identify performance bottlenecks
• Build visualizations that explain code performance

Requirements

• 6+ years of engineering experience working on complex, data-driven systems or applications
• Expert-level understanding of Python, SQL, Jupyter kernels, and/or data warehousing systems
• Knowledge of data processing, databases, and performant data architectures
• Passion for designing elegant abstractions that improve correctness and developer productivity
• Desire to understand and optimize system performance
• Strategic thinking and alignment with business and product goals
• Experience working in a remote-first team
• Strong communication skills

Benefits

• Equity
• Comprehensive health benefits
• Flexible paid time off