About Chorus AI

Chorus AI helps mission-driven organizations raise more money, engage more supporters, and scale their campaigns with AI-powered insights and automation.

We unify data and content across digital, direct marketing, and field campaigns to show what’s working, why it works, and how to scale it.

Organizations use Chorus AI to:

• Boost engagement rates by 10–20% in email marketing campaigns.

• Unlock $100–$1,000 more per 1,000 emails sent.

• Save 50%+ of the time previously spent on content creation and data analysis.

Our platform powers:

• Digital marketers: Optimizing campaigns with AI-driven personalization, copy generation, and performance tracking.

• Social video creators: Transforming long-form content into 100s of microvideos tailored for TikTok, Reels, and YouTube Shorts.

• Field teams: Automating canvassing and phone reporting with integrated dashboards and predictive insights.

Until now, our CEO has been the sole technical contributor. With our seed round closing and growth accelerating at 20% month-over-month, we’re ready to make our first engineering hire. This is your opportunity to define the product architecture, scale an AI-first platform, and shape the engineering culture from day one.

What You’ll Do

• Design, build, and maintain the backend systems that drive AI-powered campaign insights.

• Make core architecture and design decisions that shape Chorus AI’s technical foundation.

• Ship production features across agents, agent tools, MCP servers, data pipelines, and integrations.

• Work hand-in-hand with the CEO/technical founder to rapidly iterate on new features and infrastructure.

• Tackle complex challenges: real-time data pipelines, analytics scalability, operational reliability.

Our Stack

• Backend: Modern Python backend (Pydantic, FastAPI, uv)

• Database & Infra: MongoDB, Pinecone, Redis, AWS S3

• Hosting: Render

Who You Are

• Senior backend engineer with expertise in Python and implementing production systems. Minimum of 5 years relevant experience.

• Strong background in building scalable, maintainable backend architectures.

• Hands-on and resourceful, comfortable in fast-paced early-stage startup environments.

• Excited to work in-office 5 days/week in Toronto (68 Claremont St, Queen & Ossington).

Why Join Us

• Impact: Be the founding engineer defining the product that powers leading nonprofits and advocacy groups.

• Growth: Join at the seed stage with strong traction, (20% month over month growth).

• Upside: Competitive salary plus early equity (0.25–1%) in a company at its inflection point.

• Culture: Shape the engineering practices, tools, and team environment from the very beginning.

Location: Toronto (in-office, Queen & Ossington)

Compensation: $170k–$210k CAD + 0.25–1% equity