The role of a Backend Engineer has evolved. With the rise of local-first applications and WebAssembly (Wasm), the boundary between backend and frontend has blurred. Traditional data processing and analytics, once confined to server infrastructure, have now extended into the browser analytically with DuckDb, and visually with Three.js. This shift enables powerful, low-latency computation directly on the client, transforming how we architect and optimize systems.
Our backend team produces the foundation for Doxel's construction insights. You'll own the technology that brings insights through processing vast amounts of project data daily, by capturing and analyzing hundreds of thousands of square feet of 360 video. You will collaborate closely with Product, Frontend Engineering, and Design to build intuitive, high-performance solutions that empower our customers. Additionally, you'll partner with internal teams developing and refining our state-of-the-art LLM, Computer Vision (CV), and Machine Learning (ML) automation pipelines.
As Doxel scales to serve more customers, we need to fortify our data pipeline and API infrastructure to improve reliability, reduce service disruptions, and enhance extensibility for new features. You will bring backend software development expertise to establish strong design patterns, unify our data pipeline, and ensure seamless interaction across teams and systems. You are eager to learn beyond your immediate expertise and capable of mentoring others in your domain. Above all, you prioritize building reliable, low-maintenance software that supports both traditional backend processing and emerging in-browser computational paradigms.
Who You AreYou are a relentless problem-solver who takes deep ownership of your work, ensuring every line of code is correct, reliable, and built for complex, real-world domains. You anticipate failure points, eliminate edge case bugs, and engineer systems that handle ambiguity with precision. You don’t just write software—you make it rock solid. You thrive in rich domain environments where correctness matters as much as performance. You seek feedback, iterate quickly, and push yourself to improve. You take initiative, tackle the hardest problems head-on, and refuse to settle for anything less than technical excellence and real impact.
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 Required
- 3+ years of experience in Python, C++, TypeScript, or a functional programming language
- 2+ years of 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 test-driven development and automated testing strategies
- Bachelor's degree in Computer Science or a related technical field
- Experience with Wasm and its applications in local-first data processing
- Exposure to computer vision (CV) or machine learning (ML) development
What We Do
Landing a construction project on schedule and on budget is a herculean task– different teams, different designs, every single time. With hundreds of thousands of variables changing everyday, optimizing construction outcomes has become a massive challenge. Doxel is here to change that. Doxel is an AI Powered Project Controls solution. By contextualizing vast amounts of disparate project data across site, BIM, schedule, and budget, Doxel empowers teams with an objective view of their project today and an accurate prediction of where it will be tomorrow. Leveraging machine generated and prioritized risk analysis, teams are guided to the right problems in order to stay ahead of cost overruns and schedule delays. Backed by Insight Partners and Andreessen Horowitz and with a growing team of technologists, creatives, and industry veterans, we're focused on helping customers realize the best outcomes on their construction projects.
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