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