Software Engineer, Backend (Platform)

Hex Technologies is seeking a Senior or Staff-level software engineer to join their Backend Platform team responsible for building and maintaining Hex's core compute platform. The role involves working on complex data-driven systems, ensuring high performance and ease of use, while collaborating on various backend and frontend projects.

Responsibilities:

• On the Backend Platform team you’ll work on projects with high technical complexity and spanning across the stack, from our backend data systems to the frontend of Hex’s collaborative notebook interface
• Using DuckDB to enable seamless data interoperability between Python and SQL code written by our users or AI agents
• Building intelligent caching systems to speed up customer data queries
• Implementing a graph-based dependency framework for optimizing multi-step execution plans
• Instrumenting complex, multi-language systems to identify performance bottlenecks
• Building visualizations into the product to help users understand the performance characteristics of their code

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
• Deeply informed on industry trends around data processing, databases, and performant data architectures
• You love diving into highly complex codebases and have a passion for designing elegant abstractions that improve correctness and developer productivity
• An inexhaustible desire to understand where every millisecond of time could be going
• An instinct for strategic thinking and aligning with business and product goals while keeping a healthy balance of velocity and engineering excellence
• Experience working in a remote-first team and strong communication skills in this context