# Senior Software Engineer (Backend oriented) (Buenos Aires)

- **Company:** Felix
- **Location:** Buenos Aires, Argentina
- **Workplace:** Hybrid
- **Salary:** Salary: unknown
- **Seniority:** Senior
- **Role:** Backend engineering
- **Countries:** Argentina
- **Languages:** JavaScript, Python, Ruby, SQL
- **Employment type:** full_time
- **Posted:** 2026-10-30
- **Key facts:** Stack: JavaScript, Python, Ruby, SQL, React, Flask, FastAPI, Redis, gRPC, GCP, BigQuery, Kubernetes; Experience: 5+ years; Languages: English; Equity; Unlimited PTO
- **Job page:** https://rolefalcon.com/job/83281993-senior-software-engineer-backend-oriented-buenos-aires-felix-buenos-aires

Felix, a software company in fintech and payments, has an open position for Senior Software Engineer (Backend oriented) (Buenos Aires). It is a hybrid position in Buenos Aires, Argentina. We classify it as a senior-level role in backend engineering. The stack in the posting includes React, Flask, FastAPI, Redis, gRPC and GCP. Candidates need 5+ years of experience. English is required. Perks named in the posting: equity and unlimited PTO. There are 35 open positions from Felix on this site, 14 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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