Senior Full Stack Engineer

🕒 May 23

🏢🏡 San Francisco – Hybrid

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

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Haus

WebsiteLinkedInAll Job Openings

11 - 50 employees

☁️ SaaS

💰 $4M Venture Round on 2022-06

SaaS • Marketing • Analytics

Haus is a marketing science platform that helps businesses measure the incrementality of their advertising efforts, both online and offline. It provides tools like GeoLift and Causal Attribution to optimize marketing campaigns and investments. Haus enables businesses to conduct experiments to evaluate the impact of their advertising spend, offering insights that drive smarter marketing decisions. By employing advanced econometric models, Haus helps companies accurately assess their marketing's incremental value, ultimately leading to better investment strategies and higher returns.

📋 Description

• Own features end-to-end: from API design and database migrations through React UI and data visualization, all the way to monitoring and on-call support • Build and harden integrations with third-party ad platforms (Meta, Google, TikTok) — design for reliability across APIs you don’t control • Evolve and modernize a production Flask + React application that serves hundreds of customers — improve architecture incrementally while shipping continuously • Design and build data-rich UIs: charts, dashboards, and interactive tools that help marketers understand complex experimental results • Collaborate closely with scientists and data engineers to translate statistical outputs into product experiences customers can act on • Use AI development tools as part of your daily workflow to accelerate delivery, explore solutions, and raise the ceiling on what you can ship • Participate in on-call rotation and own the operational health of the systems you build • Review code across the team and help set the bar for quality, clarity, and maintainability

🎯 Requirements

• 5–10+ years of experience building and shipping production web applications and APIs • Strong across the full stack: you can build a well-structured API endpoint, write a database migration, and implement the frontend that consumes it • Proficiency in Python and React (or strong equivalents with willingness to ramp); experience with Flask, SQLAlchemy, or similar frameworks is a plus • Experience working in and improving large, established codebases — you’ve navigated legacy systems, made pragmatic tradeoffs between refactoring and shipping, and left things better than you found them • Comfort with cloud-native environments (GCP preferred): you understand how to deploy, monitor, and operate services in production • Experience with relational databases (MySQL/PostgreSQL) and data-heavy applications • Track record of working effectively with AI development tools (Claude, Cursor, Copilot, or similar) — you’ve integrated them into your workflow and can articulate how they change the way you build software • Strong product sense: you think about what customers need, not just what the ticket says • Excellent communication skills — you can explain technical tradeoffs clearly and work effectively with scientists, product managers, and other engineers.

🏖️ Benefits

• Flexible PTO - take time when you need it! • Equity – Startup environment with part-ownership in our successes • Top of the line health, dental, and vision insurance - multiple plan options so you can pick what fits you best • WFH stipend to support the set up you need to be productive • Events & Offsites – opportunities to connect and celebrate in real life! • Free Lunch – Grab a bite on us when you choose to work from the office (hub locations include SF, NYC and Seattle) • New Parent Leave – take time to welcome your newest Hausmate