Staff Product Engineer

Staff Product Engineer (Software)

Location: Brazil (Remote)

Compensation: $60,000 USD / year

Annual Bonus: $6,000 (10%)

Backed By: Top Silicon Valley investors — Y Combinator, Liquid 2, Founder of Instacart, Founder of Reddit

Stage: High-growth consumer health tech subscription product generating $1M/month, compounding 15% MoM

TAM: $29.4B in the U.S. (100M people). ~600M people globally.

Career Growth: As our first full-time Staff Engineer, you will set engineering standards, establish technical direction, and grow the engineering team.

About the Job

As a Staff Software Engineer on Product, you will directly shape our customer-facing web app (tens of thousands of MAU) and own our highest-priority engineering initiatives. You'll partner closely with the Product Designer, both Founders, and lead our engineering team to build reliable software that drives customer retention and product velocity.

You'll spend ~75% of your time writing code and ~25% on technical direction, architectural decisions, and collaborating on the product roadmap.

You will operate in a Build → Measure → Learn + Iterate product loop.

About You

- 8+ years building full-stack applications with Python and JavaScript
- 4+ years of production React experience
- Able to translate Figma designs into scalable React/Python implementations
- Strong product-growth instincts and experience with event instrumentation
- Skilled with PostHog, Amplitude, Mixpanel, or similar tools
- Exceptional communicator who builds trust, aligns teams, and drives decisions
- Staff-level depth: setting technical direction, making architectural tradeoffs, delivering impact
- Adept at balancing technical debt, infra cost, engineering hours, and time-to-ship
- Comfortable in fast-paced startup environments where engineers own infra end-to-end

Our Stack

- Python (FastAPI) — backend
- TypeScript (React) — frontend
- Postgres (Supabase)
- PostHog for product analytics
- AWS
- GitHub

What You'll Do1. Build

- Work with the Product Designer and Founders to define the technical direction
- Translate customer feedback and Figma screens into clear technical requirements
- Break down work across yourself + 2 Full-Stack Engineers + 1 AI Engineer
- Own architecture, core features, and high-quality implementation
- Improve reliability, scalability, and maintainability across the codebase

2. Measure

- Instrument all necessary customer events inside our web app
- Ensure PostHog receives clean, reliable data for evaluating retention and feature impact

3. Learn + Iterate

- Partner with the Product Designer and CTO to build charts/dashboards in PostHog
- Extract insights quickly to inform product decisions
- Ship iterations rapidly and maintain a fast learning cycle