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About The RoleAs a Staff Software Engineer, you will join a high-caliber group of technical leaders driving the design and delivery of green‑field initiatives that touch every corner of Félix’s financial stack. You will turn ambiguous business problems into resilient, scalable systems that directly influence strategic decisions and unlock new revenue streams.
This is a hands‑on role for an engineer who loves diving deep into complex financial domains, setting architectural vision, and mentoring others to raise the bar.
The Fintech OfficeThis team’s mission is to enable Félix’s financial infrastructure by optimizing cross‑functional systems and managing financial resources to drive operational excellence and sustainable growth. The Fintech Office focuses on high‑impact, cross‑functional projects that unlock the next wave of growth for Félix.
OpeningThis role is open to all candidates in Latin America.
Responsibilities
- Architect & build scalable micro‑services and data pipelines that advance the Fintech Office mission.
- Drive Special Projects – e.g.,



automated integral FX inventory system, cross‑border settlement rails, cost‑to‑serve analytics platform.
- Ensure Financial Accuracy by designing ledger‑grade data models and reconciliation processes.
- Optimise Capital through systems that model liquidity, risk, fees, and vendor pricing.
- Collaborate Across Squads (Payments, Disbursements, GRC) and work alongside other Staff Engineers to deliver shared infrastructure and unblock product launches.
- Own Quality & Reliability – establish SLIs/SLOs, observability, on‑call rotations, and incident reviews.
- Mentor & Uplevel engineers, championing best practices in design, testing, deployment, and documentation.
- Influence Strategy – provide technical insight and architectural leadership to shape the Fintech roadmap and investment decisions, communicating impact to stakeholders across the business.

Requirements
- 8+ years of professional software engineering experience, w

Postúlate en Kit Empleo: kitempleo.com.ar/empleo/q1sss

📌 Staff Software Engineer (Buenos Aires)
🏢 Felix
📍 Buenos Aires