# Senior Full Stack Engineer (Mobile Frontend Oriented)  (Rio de Janeiro)

- **Company:** Felix
- **Location:** Rio de Janeiro, Brazil
- **Workplace:** Hybrid
- **Salary:** Salary: unknown
- **Seniority:** Senior
- **Role:** Frontend engineering
- **Countries:** Brazil
- **Languages:** Dart, JavaScript, Python, Ruby, SQL
- **Employment type:** full_time
- **Posted:** 2026-11-13
- **Key facts:** Stack: Dart, JavaScript, Python, Ruby, SQL, React Native, Flask, FastAPI, Redis, gRPC, React, GCP; Experience: 5+ years; Languages: English; Equity; Unlimited PTO
- **Job page:** https://rolefalcon.com/job/138453973-senior-full-stack-engineer-mobile-frontend-oriented-rio-de-janeiro-felix-rio-de

Felix, a software company in fintech and payments, has an open position for Senior Full Stack Engineer (Mobile Frontend Oriented) (Rio de Janeiro). It is a hybrid position in Rio de Janeiro, Brazil. We classify it as a senior-level role in frontend engineering. The stack in the posting includes React Native, Flask, FastAPI, Redis, gRPC and React. Candidates need 5+ years of experience. English is required. Perks named in the posting: equity and unlimited PTO. There are 36 open positions from Felix on this site, 16 of them in IT and engineering.

To apply, open the job page above and follow its Apply link to the original posting.

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