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Doxel

Backend Software Engineer

Backend engineer building and scaling data pipelines, APIs, and storage systems (DuckDB, PostgreSQL, Airflow) that power construction-insight applications and integrate with CV/ML models.

150k – 200kSan Francisco, CABackend EngineeringHybrid3+ YOE
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About the role

What You'll Do

  • Design, develop, and maintain APIs that power our Three.js and DuckDb powered frontend applications
  • Extend and optimize our idempotent data pipelines using Airflow to adapt to evolving business needs
  • Develop and manage our data storage and processing stack, leveraging DuckDB for analytical workloads and PostgreSQL for transactional data
  • Implement and maintain robust data processing workflows that ingest and structure data from 360-degree video, project management schedules, and IoT sensors
  • Explore and integrate WebAssembly (Wasm) powered local computation where appropriate to enable flexibility, performance, and reduce server round trip time
  • Develop diagnostic tools to monitor data quality and pipeline performance
  • Strike a balance between rapid iteration and long-term software stability
  • Identify and manage complexity in workflows by implementing general, flexible, and scalable data processing paradigms
  • Work with CV and ML engineers to deploy cutting-edge 3D computer vision models.

What You Bring

  • 3+ years of experience in Python, C++, Typescript, or a functional programming language
  • 2+ years of experience in backend or full-stack engineering within an agile, cloud-based environment
  • 1+ year of experience working with ETL pipelines and workflow orchestration tools like Airflow
  • Experience with Kubernetes and cloud infrastructure
  • Strong SQL expertise with deep knowledge of query optimization and table structures, including experience with PostgreSQL
  • Experience with Wasm and its applications in local-first data processing is a plus
  • Experience with test-driven development and automated testing strategies
  • Exposure to CV or ML development is a plus but not required
  • Bachelor's degree in Computer Science or a related technical field

Skills

PythonC++TypeScriptAirflowKubernetesSQLPostgresDuckdbWebassemblyThree.Js

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